Hire the best Apache Kafka Developers in Ukraine

Check out Apache Kafka Developers in Ukraine with the skills you need for your next job.
  • $50 hourly
    Dear clients, at this time I have above to 10 years in web development, and a lot of experience in full stack technologies and workflows. Top skill in Javascript/Nodejs include native and frameworks(ExtJS, React), php native and frameworks(yii2, zend), mysql, mssql, mongodb, oracle, rabbitmq, imap, xls, reqex, rest api. Unix, SSH, git and svn skill also in basket. Moreover I have developed government product and still on support position here. Also i have own startup in game dev based on Unreal Engine 4/5 with C++ experience and various CG specialist in team with already gorgeous results. Thank you, have a nice day!
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    MySQL Programming
    Ext JS
    Amazon Cognito
    NestJS
    Unreal Engine
    Next.js
    Node.js
    ExpressJS
    React
    JavaScript
    Unix
    RabbitMQ
    TypeScript
    MySQL
    Docker
    MongoDB
  • $35 hourly
    Hi, I'm a Senior Java Developer from Ukraine. I'm a developer with over six years of experience writing a backend for enterprise projects in Java/Kotlin. Throughout my career, I have had the opportunity to participate in the design and implementation of backend solutions, particularly in the FinTech field. What I can give with collaboration with me: ✅ You'll receive a good understanding of your requirements and main needs from my side. ✅ We will be like a real team to make a better solution together that meets exactly what you want. ✅ I always focus on expected results and can give you some suggestions on achieving them best. ✅ I value your and my time, so I used to give estimates before starting any tasks. Languages: Java, Kotlin, Groovy Spring: SpringBoot, WebFlux, SpringSecurity, SpringData Frameworks: Hibernate, MapStruct, Jackson, Keycloack, FlowableBPMN, EuSign, Drools Decision Table; Assembly: Maven, Gradle; Message brokers: Kafka, Rabbit; DB: Redis, Postgres, MongoDB, MySql; Documentation: Swagger, Mermaid, SpringDoc; Infrastructure: GoogleCloud, AWS, Kubernetes, Docker; Test: Junit5, Mockk, Spoke, WireMock, TestContainers.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    AWS Development
    REST API
    MongoDB
    PostgreSQL
    Hibernate
    Angular 6
    Google Cloud Platform
    RabbitMQ
    Docker
    Kubernetes
    Redis
    Kotlin
    Java
    Spring Framework
  • $50 hourly
    Highly capable web developer specialized in full stack development with 9+ years of hands-on experience programming with best-in-class applications. Adept at driving frontend and backend integrations to ensure seamless, scalable and reliable application. I enjoy building projects from scratch to the end through the full software development life cycle, with the agile methodology.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    MERN Stack
    RabbitMQ
    NestJS
    Tailwind CSS
    DevOps
    Node.js
    React
    PostgreSQL
    Next.js
    GraphQL
    TypeScript
    Angular
    Amazon Web Services
    Golang
  • $95 hourly
    => Let's Connect Hello, I'm Dima, a seasoned CyberSecurity Specialist and Turnkey Infrastructure Expert specializing in BigData solutions and data analysis, utilizing a DevOps approach. => Expertise Overview With a robust passion for constructing SOC, SOAR, and SIEM solutions, my primary focus lies in developing data ingestion, enrichment, and analysis pipelines, ensuring they are highly available and fault-tolerant. My expertise extends to building central logging and real-time processing platforms from the ground up, optimizing them for performance, security, and reliability across multiple environments, whether in the cloud or on-premise. => Value Proposition My commitment is to deliver solutions that not only centralize security and threat intelligence but also facilitate enhanced control over data, ultimately contributing to infrastructure cost savings. => Technological Summary CyberSecurity:------- > Wazuh, Suricata, pfSense BigData:--------------- > Kafka, ElasticSearch, OpenSearch Data Processing:----- > FluentD, Vector.dev, Apache NiFi Infra as Code:--------- > Terraform, cdktf, cdk8s Virtualization:--------- > Proxmox, VMware Containerization:----- > Kubernetes Clouds:---------------- > AWS, Hetzner, DigitalOcean, Linode Automation:----------- > Jenkins, GitHub Actions Monitoring:----------- > Zabbix, Grafana, Kibana, Prometheus, Thanos Mail:--------------------> MailCow SMTP/IMAP, Postfix VPN:------------------- > OpenVPN Server Programming:-------- > Bash, Python, TypeScript Operating Systems:- > CentOS, RHEL, Rocky Linux, Ubuntu, Debian => Personal Attributes • Leadership: Leading by example with a team-first approach • End-to-End Execution: Proficient from POC to Enterprise-level implementation • Resilience: Demonstrating high thoroughness and endurance • Adaptability: A quick, can-do architect and experienced troubleshooter • Optimization: Adept in process and performance optimization • Documentation: Skilled technical documentation writer • Vision: A visionary in technological implementation and solution provision
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Elasticsearch
    Linux System Administration
    Apache Hadoop
    Email Security
    Machine Learning
    ELK Stack
    Cloudera
    Zabbix
    MySQL
    Big Data
    Apache NiFi
    PfSense
    Red Hat Administration
    Proxmox VE
    Amazon Web Services
  • $45 hourly
    I am a software (mostly Java) developer with more than 10 years of experience. I have started from developing fully-featured enterprise systems on Java and ended up building complex data processing frameworks that solve all kind of big-data world tasks. I am ready to create architecture for reliable and amazingly fast ETL process with further ad-hoc analytics and data visualization. Was working mainly in banking and telecommunication area. I am a fan of new architecture approaches like CQRS. Has good communication skills, high level of motivation, open-minded. Programming​ ​ languages: Java,​ ​​​JavaScript, Python Big​ ​ data​ ​ tools: Kafka, Hadoop,​ ​ Zookeeper,​ ​ Spark,​ ​ Storm, HDFS, OOzie Full-featured​ ​ web​ ​ frameworks: Spring​ ​ Boot Databases: PostgreSQL,​ ​ MySQL Data warehouses: Vertica
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Data Science
    Amazon Web Services
    Amazon EC2
    AWS Lambda
    Spring Boot
    App Development
    DeFi
    ETL Pipeline
    Apache NiFi
    DApp Development
    Blockchain Development
    Apache Flink
    Java
    Python
  • $50 hourly
    Experienced, effective, proactive Software Engineer 👨‍💻 More than six years of enterprise experience in developing modern distributed software systems ⚙️ My expertise mainly focuses on the latest Java Backend stack: Spring, Kafka, Postgres, Kubernetes, and Docker. Besides, I've delivered many various projects - my skill box is pretty packed. I'm mindful of details, OCD with clean code principles. My code is refactored and sharp, my tests are green and comprehensive. My goal is not to get the job done but to get the job done right. I am new here, so I'll go the extra mile to exceed clients' expectations. GitHub: github.com/shumyk Medium: medium.com/@sh.umyk
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Microservice
    JavaScript
    JUnit
    Integration Testing
    PostgreSQL
    RabbitMQ
    NoSQL Database
    SQL
    Java
    Spring Framework
    Docker
    Bash Programming
    Golang
    Kubernetes
  • $22 hourly
    10+ years as Software Engineer - 7 years experience with programming in Python in commercial project. Using: Multithreads, Multiprocessing, Websockets, API, Kafka, Spark, SQL, Git, Slack, Docker, Flask, Github, Ray, PyZMQ, BS4, Asyncio - 3 years experience with AWS S3 EC2 ECS ECK Lambda Athena - 2 years experience using Flask and Django and Django Rest Framework - 5 years experience in Visual Basic, ASP - Experience in creating commercial web parsers of websites with any level difficulty - Experience in bypass antibot protection - Knowledge of SQL, JavaScript, IIS, SQL Server, Java, C#, TypeScript - Experience with Git - Work environment: Linux, Windows, MacOS Personal SKILLS - Fast and accurate having advanced programming abilities and interface design skills. - Hard-worker, creative, detail-oriented, sociable person. - Highly analytical, well-organised and ability to work effectively under pressure in order to meet deadline constraints. - Ability to solve technical problems independently Fluent English.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    AWS Development
    TensorFlow
    Web Scraping
    Amazon Athena
    Amazon EC2
    Amazon S3
    Websockets
    Apache Spark
    Flask
    AWS Lambda
    API
    SQL
    Django
    Python
  • $15 hourly
    Hi everybody, I'm Oleh – your go-to Manual/Automation QA Engineer, I am here to minimize the number of bugs and improve the quality of your products. Why Choose Me? - 3+ years testing Web applications. - 2+ years testing Mobile applications. - 5+ years creating different test documentation such as Test Cases, Bug reports, Test Plan, Checklist, etc. - Over 10 Physical devices Android/iOS/Windows/MacOS. to date, I have been able to improve more than 30 websites/mobile applications that have received satisfied users. I have worked in various sectors, including: 💰 Financial Services 🏥 Healthcare / MedTech 🚚 E-commerce 📊 SaaS 📚 Education ❤️ Social and Dating Apps ...and the list goes on! 🚀 This journey has armed me with priceless insights into market trends, startup concepts, and thriving in highly competitive environments. Why Clients Choose Me as Their 5-star 🌟 QA Engenieers: ▪️ Create detailed test documentation. ▪️ Keen eye on details. ▪️ Excellent knowledge testing methodologies. ▪️ My communication skills are a symphony of strength. ▪️ I put client satisfaction at the heart of every project. ▪️ Honesty and transparency. ...and that's just the beginning! 🚀 Ready to improve your product so that the end user is satisfied? Let's chat! 🤝 ___________________________________________________ Related keywords: Web testing, Mobile testing, Postman, API testing, Swagger, Automation testing, Cypress, Selenium, Playwriter, Regression testing, Smoke testing, Test cases, Test Plan, Check List, Function testing, non-function testing, Stress testing, Test case Design, End-To-End testing, Bug reports, Software testing
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Test Case Design
    Regression Testing
    Selenium
    Cypress
    Web Testing
    Swagger
    Regression Analysis
    QA Management
    Mobile QA
    QA Testing
    Quality Control
    Postman
    Functional Testing
    QA Engineering
  • $25 hourly
    Hi, I`m an experienced Software Developer, the best option for your ideas. There is no fear of emerging problems, I find the best solutions for them. I ensure: • Swift and responsive communication • Dedicate to the utmost client convenience. • High-quality work with punctual deadlines Main skills: ▸ Java ▸ Spring(MVC, Security, Boot, Data, Rest) ▸ Hibernate ▸ Docker ▸ Kafka ▸ Kubernetes ▸ CI/CD ▸ Selenium ▸ Git ▸ SQL ▸ MQTT ▸ Protobuf ▸ Internet of Things In my work, I have encountered different kinds of developments: Web programs; Programming tools; Server software for IOT gadgets; I don't stop at what I have achieved, because there is no limit to perfection!
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    CI/CD
    Internet of Things
    Selenium WebDriver
    Kubernetes
    Docker
    PostgreSQL
    JDBC
    Spring MVC
    Hibernate
    Thymeleaf
    Spring Boot
    Git
    Java
    Spring Framework
  • $35 hourly
    I am a full-stack engineer (Java+ Angular) with 7+ years of experience. Responsible and enthusiastic. Love building high-growth world-class products. Why me: - Great knowledge of Java,AWS, Azure, GCP. Good knowledge of Angular. - Good communication. I've worked in and led multiple distributed teams. - Technically scale multiple high-growth, high-load venture-backed startup and enterprise products. I know how to build scalable and reliable software.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Spring Boot
    Spring MVC
    Amazon Web Services
    Hibernate
    SQL
    Docker
    Angular
    Spring Cloud
  • $50 hourly
    I am a Java lead developer with over 10 years of commercial background in full circle development. Seasoned in project design and implementation from the ground up using cutting-edge technologies and software solutions. Over the years I've been involved in architecture design, planning, and team management while working on medium, big and large-size projects. I’m always wide open to new opportunities and challenges in work and eager to help customers to meet their business needs.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    PostgreSQL
    Spring Data
    Hibernate
    AWS Application
    Bootstrap
    Spring Boot
    Oracle
    MySQL
    Angular
    TypeScript
    MongoDB
    Java
    React
    JavaScript
  • $56 hourly
    I'm a Software Engineer 🚀 with 5+ years of experience in designing and implementing JEE information systems. 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝘄𝗶𝘁𝗵: ✔️ Cross-Platform development, object-oriented programming. SOLID. Client/server and distributed computing. Interaction and reporting. ✔️ QA automation, debugging and optimization. ✔️ Knowledge of DBMS. ✔️ Excellent interpersonal, collaboration, and problem solving skills. ✏️ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: Java, Groovy, SQL, JavaScript, Bash, Git, Subversion, Linux, Gradle, Maven, JUnit, Spring Framework, Liquibase, Apache Camel, JPA, Hibernate, MyBatis, JDBC, Mockito, Lombok, Jackson, Mapstruct, Orika, JaVers, Jasper Reports, Apache POI, Docker, PostgreSQL, Microsoft SQL Server, MySQL, H2, Oracle, SOLID, GRASP, UML, OpenApi Specification, Redmine, Jenkins, Design Patterns. 𝗣𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼 𝗶𝗻𝗰𝗹𝘂𝗱𝗲𝘀: 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: Web tool for analyzing survey results to get insights in the form of graphs. Incorporates preliminary existing algorithms for survey analysis (ML, NLP) to provide convenient tools which could be used internally and provided as a service in the future. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: The leading mobile virtual network operator and enabler (MVNO/E) launched its own mobile suite platform for all MVNOs and MNOs (mobile network operators) to provide a fully automated system designed to drive greater usage of mobile services through highly-targeted and timely promotions and marketing campaigns. The next and more extensive objective of the project is to create adaptors and converters for the API calls based on the ready made Business Application Orchestrator. This will ensure seamless migration of the virtual and mobile network operators to the upper versions of the Suite, flexibility in enabling/disabling certain features depending on the Client, adding new features, etc. Also, the project deals with upgrading micro services of the Suite, rewriting them based on the up to date frameworks. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: The project aimed at creating a server based Business Application Orchestrator (BAO) to handle SOAP data coming from the third parties, translate them to native mobile suite data, handle authentication, set specific channels and orchestrate flows. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: Enterprise solution initiated by the International Organization for Migration and the Administration of the State Border Guard Service to ensure a reliable exchange of information about the individuals/vehicles crossing border as well as storage, processing, verification and transfer of data between border services. The system is envisaged to improve the processes, mitigate human factor and prevent potential violation of the border crossing regimen. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: Modernization of Information-Telecommunication System. New system enables to perform real time verification of incoming persons in the numerous databases, travel ban lists, border guards can initiate creation of new record about illegal acts or intrusion attempts with easy navigation and a huge variety of adjustable options such as transport means, carried objects, other passengers, etc. Application of the electronic signature to execute a new record as well as fingerprints scan were also applied in the system. A state of the art analytical component and consolidated reports feature were inbuilt into a modernized system. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: Enterprise business solution for sellers and resellers designed to increase corporate performance by managing and optimizing company's business processes. 📌 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: Enterprise business support solution for service providers designed to increase corporate performance by managing and optimizing a company's business processes. Whole system upgrading with the architecture reengineering.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Spring Framework
    Full-Stack Development
    MySQL
    AWS IoT Device Management
    Point of Sale & Payment Systems
    Web Development
    Hibernate
    SaaS
    API Integration
    Apache Camel
    Enterprise Software
    ERP Software
    JavaScript
    Java
  • $70 hourly
    🎯My main responsibilities are - technical leadership and strategic planning as CTO, and product development and system architecture, team management and coordination, requirements gathering and implementation as a SA. Expert and practitioner of generative coding using Enterprise Architect and building entprise scale systems for highly competitive markets and Fortune 500 companies. 11+ years of experience in IT. Expert proficience with DBMS, Node.Js, J2EE, J2SE 4+ years as a CTO at a Company, under my guidance during this period: ✔Experience: Object-oriented design, programming. Design and Enterprise patterns. GUI design. Client/server and distributed computing. Scalable enterprise/cloud systems. Data integration. Project schedule planning, customer communications, interaction and reporting. Software testing, QA automation, debugging and optimization In-depth knowledge of DBMS domain. 📈 Achievements: ✦ Growth of company from 40 to 80 developers ✦ More than 15 projects under my leadership at different stages of development, released live. Most of them are Enterprise level solutions developed from concept or redeveloped from legacy solutions; ✦ Main rules of successful company growth - quality and the rule to stick to strict but agile processes helps to adhere to a high level of quality of the completed projects and, as a result, satisfied customers ✦ Main principles of work as CTO - main focus is the quality of delivery, always in conjunction with the client's business needs, result-oriented, flexible, constantly evolving my personal and team skills. ✦54584 mandays ✔ List of mastered languages, technologies, and tools: Programming Languages: Java JavaScript TypeScript C++ Python C# Groovy VB.NET SQL Perl Qt Cobol Assembler HTML/HTML5 CSS/SCSS XML YAML JSON Regex Bash/Shell Ansible T-SQL WSDL Database Servers: MS SQL Server Oracle MySQL PostgreSQL DB2 Sybase SQLite H2 IBM Lotus Frameworks and libraries: Spring Spring Boot Apache Camel Hibernate Freemarker Velocity Sequelize Express.Js Nest.Js Objection.Js Knex.Js jQuery jQuery Mobile Node.Js Highcharts MyBatis EclipseLink ElasticSearch Hadoop HDFS React Angular Angular.Js JSP/JSTL Quartz JUnit APIs: JPA JMS JMX Servlet API (JSP) JCA EJB JDBC ODBC JNI JAX-Rs JAXB JSMPP Slf4j JAX-WS Methodologies: Agile/SCRUM Kanban Gantt Extreme Programming 👨‍🏫 Mentorshipwa: - Education; - Project/Team mentorship; - Pair-programming; - Code-review; - Project planning; - Architecture planning. 🎙 Speaker: Chernihiv IT conference
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    SAP Hybris Cloud for Customer
    Apache Camel
    Kubernetes
    SAP Hybris
    Tableau
    Next.js
    Apache Groovy
    Hibernate
    Apache Hadoop
    Microsoft Azure
    Java
    Elasticsearch
    Node.js
    Apache Tomcat
  • $45 hourly
    Full stack developer and Team lead with 10+ years of IT industry experience and background in designing and implementing high-loaded, distributed JEE information systems, responsible for system architecture and resource management. ✦ People management and coordination ✦ Requirements gathering/implementation. JSE, JEE, SOA. ✦ Object oriented design, programming. Design and Enterprise patterns. SOLID. DDD. ✦ Full stack development. ✦ Designing high load distributed systems. ✦ Project schedule planning, customer communications, interaction and reporting ✦ Software testing, reverse engineering, debugging and optimization. 💪Technologies: Java 17, Java 11, Spring Cloud, Spring Boot, Spring IoC, Spring MVC, Spring Data, Hibernate, REST, JUnit, Gradle, Postgresql, Angular8, Zookeeper, Hazelcast, Apache Kafka, MicroServices, Groovy, liquibase, Elasticsearch, Consul, JHipster, OAuth2, JWT, Stripe. Acted as a Team lead and Java developer within the following projects: 1️⃣C*- High-load system for processing and monetizing firmware updates for the most extensive range of premium bill and coin validators and recyclers, coin hoppers and dispensers. The system is built on the complex integration processes with various CPI products and provide flexible firmware updates and charge operations for all company customers. 2️⃣Introducing the usage of biometric data in the MFA visa system. Development of new functionality for the existing MFA system for establishing connection and testing of data exchange between the MFA visa system and the State Migration Service's National Biometric Verification and Identification System (NMSI). 3️⃣The purpose of this project is to provide Ukrainian businesses with free quality business specialized software for preparing financial statements in iXBRL format and according to the legislation of Ukraine. IXBRL reports are generated on the basis of Ukrainian taxonomy by using business templates to display data structures. The reporting of each individual entity is completely decentralized and stored locally in the browser on the user's computer. 4️⃣XM^online Enterprise business support solution for service providers designed to increase corporate performance by managing and optimising a company's business processes. Responsible for architecture design, technical product tactic and technical strategy. Design and implementation features,development, bugfix, support.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    OAuth
    Encryption
    Spring Cloud
    RESTful Architecture
    API Integration
    Java Servlet API
    Apache Camel
    Apache Groovy
    PostgreSQL
    Hibernate
    Java
    Spring Security
    Apache Tomcat
    Spring Boot
  • $35 hourly
    Are you looking for a DevOps or SysAdmin? You’re on the right way!👇🏼 My name is Sofiia and I'm a DevOps and SysAdmin at one of the top dev firms in Ukraine in Kyiv as named by Clutch in 2020 🏆 About me: - 3 years of experience as system administrator - Programming languages: Java, JavaScript - Technologies & frameworks: Spring, Hibernate, Kafka, OOP, jQuery - Configuration/Automation tools: Kubernetes, Kiali, Istio, Calico, Consul, Terraform, Helm, Ansible - CI/CD: GitHub actions, Jenkins, Spinnaker - Cloud: AWS, Azure - Testing: jUnit, Postman - Databases: PostgreSQL, SQLite, MySQL, JDBC, FireBase - Deployment & VCS: Git, GitHub, Docker - Segments: Magento Commerce, WordPress Marketing websites, WordPress Woocommerce, ERP/CRM systems, corporate security access domain Skynix is a team of professionals focused on LAMP and JAM stacks. We deliver complex web and mobile applications development using PHP (Laravel, Yii2, Zend, or CMS systems like Magento or WordPress) and JavaScript (React, Vue, TypeScript, Ember). Why Skynix: - Providing development services starting from 2015 - 20+ team members (Senior 25%, Middle 45%, Junior 30%) and keep on growing - Only professional and enterprise-level of attitude - the project will be delivered, you can just enjoy the process - Great at remote work with various time zones - Our developers are good in English and learn skills extremely fast Need to empower your business? Let's work together
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    CI/CD
    Docker
    Hibernate
    Azure DevOps
    AWS CloudFormation
    Kubernetes
    Azure DevOps Server
    AWS CodeDeploy
    Terraform
    DevOps
    GitHub
    AWS CodePipeline
    Java
    System Administration
  • $36 hourly
    [ Profile Overview ] As a Full Stack Engineer, I specialize in developing scalable, secure, and high-performance front-end applications and back-end systems. I have extensive experience with server-side programming languages such as Python and Java for development of RESTful APIs using frameworks such as Spring, Flask, and Express, as well as with databases such as MySQL, MongoDB, and Redis. In addition to my API development expertise, I am skilled in DevOps practices and technologies, including containerization with Docker, infrastructure as code with Terraform, and continuous integration and deployment with Jenkins and GitLab CI/CD. My technical expertise is complemented by strong problem-solving, communication, and collaboration skills. I am adept at identifying and resolving complex technical issues, and have a proven track record of delivering high-quality software solutions on time and on budget. I am a team player who thrives in collaborative environments, and I am committed to continuous learning and professional development to stay abreast of the latest trends and technologies in the field. [ Key Skills ] - Strong programming skills in Java, Python, JavaScript and Ruby - Experience in designing and developing RESTful APIs using Spring, Spring Boot, Flask and Express - Proficiency in database design and management, with experience in SQL and NoSQL databases - Knowledge of DevOps practices, with experience in continuous integration and continuous deployment using tools such as AWS, Jenkins, and Docker - Familiarity with containerization and microservices architecture - Experience in performance tuning and optimization of backend systems [ Professional Experience ] - Developed and maintained RESTful APIs for a variety of web applications - Designed and implemented database schemas and performed database optimization - Built and maintained continuous integration and deployment pipelines using tools such as Jenkins and Docker - Designed and implemented containerized microservices architecture for scalable and fault-tolerant systems - Performed performance tuning and optimization of backend systems for improved response times and reduced latency
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Swagger
    Spring MVC
    React
    Angular
    RESTful API
    Spring Boot
    DevOps
    Microservice
    MySQL
    Kubernetes
    Java
    Google Cloud Platform
    Amazon Web Services
    Docker
  • $40 hourly
    I will IMPROVE your SUCCESS. I have over 6 years of experience as a software engineer. My main areas of experience are AI, Python and Golang. I am a lot experienced in Tensorflow, PyTorch and Langchain to implement ML and NL applications. I have also worked professionally with gRPC, Restful API, GraphQL, RabbitMQ, Kafka, Postgres and AWS. I have extensive expertise developing, planning, and deploying microservices, APIs, and Cli tools. I'm not just good at backend; I'm also good at frontend. My primary frontend libraries/frameworks are React and Next. My prior employment in numerous industries has provided me with inventive problem-solving abilities and collaborative capabilities. I will do all in my power to resolve your concerns.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    ChatGPT
    LangChain
    Artificial Intelligence
    Cryptography
    WebRTC
    RabbitMQ
    MySQL
    MongoDB
    Python
    PostgreSQL
    Kubernetes
    Microservice
    Docker
    Golang
  • $45 hourly
    I have been a very successful website developer for over 11 years, working for different products and companies. I love to help startups in turning their ideas into profitable SaaS products. Ability to analyze customer feedback to find the best way to create new and enhance existing product features. Summary of my skills: - 11 years of experiences with java and kotlin. - 7 years of experience with ReactJs,Angular, Redux, Redux-Saga,Typescript, Vue.js,C#,PHP - 6 years of experience with Tailwind CSS,Sass - 7 years of experience with Next.js, Express, Nuxt.js, Django, Flask,Laravel - Have strong experience with AWS S3,AWS EC2, AWS SES, AWS SQS, AWS Lambda, AWS API Gateway, AWS Dynamo DB - Have strong experience with Firebase, MongoDB, PostgreSQL, MySQL, GraphQL - Deploy to EC2,Heroku,Digital Ocean Tools ✅Experience with code versioning tools: Git, Github, Gitlab, Bitbucket ✅Worked with project management tools: Jira Architecture ✅Experience with RESTful API and GraphQL I stay up-to-date with new technology and thrive on challenge to satisfy client's requirements. Best Regards #Java #Kotlin #Scala #C# #Spring #Spring Boot #Kubernetes #Microservice #MSSQL #AWS #GCP #J2EE #EJB #Maven #Gradle #Kafka #Keyclock #Nifi
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Angular
    Node.js
    Kotlin
    EJB
    CI/CD
    React
    Python
    Kubernetes
    J2EE
    Gradle
    Back-End Development
    Microservice
    Spring Boot
    Java
  • $40 hourly
    Programming is my hobby and profession. 15+ years software development experience, 19+ experience in IT. Architecture and design development. New technologies research. Code and design document review. Team/Tech lead experience. *Primary skills*: Java, Big Data
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Cucumber
    SOAP
    Apache Flink
    PostgreSQL
    MySQL
    Spring Framework
    API
    JUnit
    Microservice
    Back-End Development
    RESTful API
    RESTful Architecture
    Spring Boot
    Java
  • $35 hourly
    Are you looking for a motivated and professional developer? You’re on the right page.👌 Hi, my name is Andrey, I'm a skilled and dedicated Back-end developer with 4,5 years of experience in full-cycle software development from concept to support and maintenance. My core competencies include working with: 📌 Python 📌 AWS, GCP, Heroku 📌 FastAPI, Django/DRF, Flask 📌 JavaScript 📌 React.js I have experience with several popular frameworks, which allows me to choose the best tool for creating a high-quality user interface according to your needs. Moreover, I am good at working in a team and appreciate the exchange of knowledge, but I am also able to independently solve problems and look for new solutions to improve the quality of work. 💪 More about my skills that will help us achieve the best result: ✅ FastAPI, Django/DRF, Flask, Celery, Bootstrap, SQLAlchemy, Numpy/Pandas ✅ SQLite, MySQL, Microsoft SQL, PostgreSQL, Alembic; ✅ NoSQL - MongoDB, Redis, Elasticsearch; ✅ HTML, CSS, LESS, Sass; ✅ AWS, GCP, Heroku ✅ Git, GitHub, GitLab, BitBucket ✅ Agile, Scrum, Kanban, Waterfall, Pair Programming, Feature Driven; 🔹I am always striving for excellence and am ready to work on projects of any complexity. 🔹I am a fast learner and willing to learn new technologies and frameworks to stay up to date with the latest trends in the industry. 🔹I also appreciate quality communication, so I am ready to offer you timely communication and solutions that will be useful in the long run. 🔹I am sure my experience and skills can be useful for your company and I will gladly participate in your project. Why choose us: 🔸 “Meduzzen” has a proven track record of delivering exceptional development services since 2018. 🔸Our team comprises 40+ highly skilled professionals, with 40% of them being Senior level, 50% Middle level, and 10% Junior level. We are committed to expanding our team further. 🔸We take a flexible approach to work, adapting seamlessly to any project requirements to ensure timely and high-quality deliverables. Our clients can rest assured that they can rely on our team to deliver the desired results. 🔸We excel at remote work and are well-versed in collaborating with clients across different time zones, ensuring effective communication and seamless project management. 🔸Our developers are not only fluent in English, but they also have a remarkable ability to learn new skills quickly, enabling them to stay up-to-date with the latest technologies and best practices in the industry. If this sounds like a fit for you, I’d love to chat – invite me to interview and grab some time: calendly.com/andrey-dmitriyev
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    React
    Google Cloud Platform
    NoSQL Database
    JavaScript
    MongoDB
    Redis
    PostgreSQL
    SQL
    Flask
    Kubernetes
    Docker
    Amazon Web Services
    Django
    Python
  • $35 hourly
    As a backend developer, I specialize in creating and managing the server-side of web applications. My expertise lies in using programming languages like Java, Python, Ruby, and PHP to build the core functionality of applications. I focus on database management, security implementation, and optimizing performance to ensure that the applications run smoothly. Collaborating closely with frontend developers, I integrate the server-side and client-side components to create a seamless user experience. I stay up-to-date with the latest technologies and trends in backend development to deliver innovative and scalable solutions. I am eager to bring my advanced skills and knowledge to your team and contribute to the success of your projects. Bohdan
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Auth0
    Vue.js
    React
    Supabase
    Continuous Deployment
    Continuous Integration
    Serverless Computing
    Node.js
    Kubernetes
    Docker
    Back-End Development
    Amazon Web Services
    Python Script
    Python
  • $35 hourly
    Hello, client! 😊 Thank you for visiting my profile. 🙏 As a software engineer, I have rich experience with JavaScript, Ruby on Rails, Golang and their frameworks such as React, Angular and Next.js for the frontend and Node.js (Express.js, NestJS), Ruby on Rails and Golang for the backend. Also, I am very specialized in building microservice-based architecture and very familiar with Docker and Kubernetes for scalability and load-balancing. 👍 During working as a software engineer, I have been involved in many projects such as web application, mobile application and SaaS application. I think I am a man which you are looking for now. 💪 ***** services ***** • Frontend: React, Angular, Next, Redux, Router, Hooks, Context API • Backend: Node.js, Ruby on Rails, Golang - Restful API, API development & integration • Microservice architecture and containerization • Docker, Kubernetes, AWS EKS/ECS, Apache Kafka, gRPC, GraphQL, Terraform, Sidekiq • Experienced CI/CD pipeline & DevOps engineering • SQL/NoSQL Programming - MySQL, PostgreSQL, MongoDB, Redis, etc. • Entity Framework, TypeORM, Prisma, Sqeuelize • Clouding services – AWS, Azure, GCP • Unit testing - RSpec, Mocha, Jest, Jasmine, Karma, Cypress, Selenium • Version & Ticket management - Git, GitHub, GitLab, Bitbucket, Jira, Trello • Agile methodologies: Scrum, Kanban If you are interested in my profile, experience and skills, please feel free to contact me. I am always ready to start work on your project and open to any opinions and thoughts. Thank you for your time and taking a look at my profile. Mykhailo
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    RSpec
    RabbitMQ
    Golang
    Ruby
    Ruby on Rails
    PostgreSQL
    GraphQL
    Next.js
    React Native
    Redis
    RESTful API
    Node.js
    React
    Angular
  • $35 hourly
    🔺 Professional Summary: A proficient Software Engineer with a strong background in designing, coding, and testing software applications. Specialized in Java development and well-versed with AWS cloud infrastructure, Terraform for infrastructure as code, Ansible for configuration management, and Jenkins for CI/CD pipelines. Highly experienced with Kubernetes for container orchestration and scaling applications. Holds certifications in CKA, CKAD, CKS, and LFCS. 🔺 Technical Skills: ◆ Languages: Java, JavaScript, Golang, Bash, Python ◆ Databases: MongoDB, MySQL, PostgreSQL, Cassandra, CockroachDB, RabbitMQ, ActiveMQ, Kafka ◆ Cloud Services: AWS, GCP, Azure, Alibaba Cloud, OVH, DigitalOcean, Hetzner ◆ Private Cloud: OpenStack, OpenShift, Xen ◆ Kubernetes: K8S, OpenShift, K3S, Rancher, EKS, GKE, AKS ◆ DevOps Tools: Helm, Kustomize, Pulumi, Terragrunt, Terraform, Ansible, Puppet ◆ CI/CD: Jenkins, GitlabCI, ArgoCI, IaC, GitOps, FluxCI 🔺 Certifications: ◆ Certified Kubernetes Administrator (CKA) ◆ Certified Kubernetes Application Developer (CKAD) ◆ Certified Kubernetes Security Specialist (CKS) ◆ Linux Foundation Certified System Administrator (LFCS)
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    MEAN Stack
    Amazon CloudWatch
    Bash
    Golang
    Ansible
    Azure DevOps
    Terraform
    Docker
    Kubernetes
    Amazon Web Services
    SQL
    Apache Cassandra
    Amazon DynamoDB
    Java
  • $50 hourly
    Senior software engineer with 6+ years of experience in software development. Started as an employee in small software companies, I finally decided to switch to freelance. I am working as an independent freelancer/consultant starting from 2015. Expertise: Backend development, High Load systems, Infrastructure tooling, ETL systems. Languages: Java, Scala, Javascript.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Apache Spark
    AWS Lambda
    Blockchain
    PostgreSQL Programming
    Spring Framework
    Amazon Web Services
    Microservice
    MongoDB
    Java
  • $45 hourly
    Highly seasoned Java Back-End Developer boasting over a decade of hands-on experience across diverse industries, including web development and data processing. I have a track record of architecting and implementing robust real-time systems for large-scale data analysis, utilizing industry-leading technologies such as Apache Storm and Apache Spark. These systems are designed to manage terabytes of data daily while ensuring low-latency performance and resilience against hardware failures. As a passionate advocate for data analytics, I possess an in-depth understanding of various technologies and frameworks. My expertise spans Java, Spark, and Hadoop infrastructure, complemented by proficiency in machine learning algorithms and data manipulation libraries like R, Pandas, and Scikit-learn. Additionally, I am skilled in data visualization tools like Tableau and Power BI.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    AWS Application
    Angular 6
    Apache Hadoop
    Enterprise Software
    Blockchain Development
    DeFi
    DApp Development
    App Development
    Data Science
    Amazon EC2
    ETL Pipeline
    Apache NiFi
    Apache Flink
    AWS Lambda
    Spring Boot
    Python
    Java
    Apache Spark
  • $55 hourly
    Java developer with 10+ years of experience. Client-oriented, motivated, team player. Analytical and problem solving abilities. Experienced with design and developing REST API for WEB and Mobile platform, Microservices architecture, database design, analysing performance issues, integration with third party API. Skills: - Java - Spring(Core, Security, Data, MVC, JDBC, Batch) - Spring Boot - OAuth - JPA, Hibernate, JDBC, SQL, PostgreSQL, Oracle - REST - Servlets API - OOP/OOD, DDD - RabbitMQ, Apache Kafka - MongoDB, Redis - Apache Solr - Liquibase, Flyway - JSON, Jackson - Maven, Gradle, Git, Graylog, Grafana, IntelliJ Idea, Jira - Jenkins, Docker, Microsoft Azure, Gitlab CI - JUnit, Mockito Master degree in Computer science and Information systems.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    SQL
    Hibernate
    Spring Data
    Spring Boot
    Java Persistence API
    RabbitMQ
    Domain-Driven Design
    Spring Security
    Java
    JUnit
    Spring MVC
    Spring Batch
    Spring Framework
    Redis
  • $55 hourly
    I am a professional python and vba developer with 10+ years track of records. I personally made at Upwork more than 120 projects towards automation, scraping and data science. Moreover, I represent the team of Ukrainian web developers and data engineers focused on data driven solutions . We are experienced at: 📌 Web solutions (frontend and backend development) 📌 Data Science and Analytics 📌 Data integration and management 📌 eCommerce automation (price and inventory managment) 📌 Process Automation We use Agile approach to ensure great products delivery. As our benefits, we provide the guarantee, NDA signing and post-service for delivered products. Our Software Stack is : For Web Development and Front-End: JavaScript | jQuery| React.JS | Wordpress | Angular.js | Bootstrap | Html | CSS Analytics and Back-End: Python | Flask | Django | PostgreSQL | MongoDB | R | PHP | SQL | VBA | Microsoft Office Machine learning and Data science : Tensorflow | IBM Watson | Google , Facebook and AWS products | NLTK | Pandas | Numpy | Scikit-learn Want to work together? I’d love to hear from you.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    Big Data
    Data Lake
    API Integration
    Django
    Web Crawling
    Data Mining
    Data Analysis
    Data Warehousing & ETL Software
    Web Application
    Application Integration
    React
    Amazon EC2
    Snowflake
    Data Scraping
    RESTful Architecture
    AWS Lambda
    ETL Pipeline
    Machine Learning
    Databricks Platform
    Data Science
    Python
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job (it’s free)

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.