Hire the best Groovy Developers & Programmers in Ukraine

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$48 hourly
Alex P.
- 5.0/5
- (57 jobs)
I am Atlassian Certified Jira specialist from Ukraine with 15+ years of practice and 3500+ hours of Jira Administration. I help clients make the most use of Jira Software | Service Desk (Cloud and Server). My strengths are automation using Script Runner and Automation add-ons, as well as Jira integrations and FORGE App Development. Achievements ⭐️ Atlassian Certified in Managing Jira Projects for Cloud ⭐️ Atlassian Certified Jira Administrator for Cloud ⭐️ 20+ clients (10 to 500 users), doing fixed price projects and providing longterm Jira support ⭐️ 3500+ hours of Jira administration ⭐️ 16+ years of working experience as team lead and project/product manager ⭐️ led 16 workshops on different Jira topics ⭐️ speaker at IAMPM courses ⭐️ Forge developer ⭐️ developed MS Project plugin for JIRA integration I can help you with 🛠 configure custom workflows, custom fields, screens, permissions and notifications settings 🛠 automate processes and repetitive tasks (Automation add-on and groovy scripting with ScriptRunner add-ons) 🛠 create advanced custom reports of any complexity for Jira Server/DC (inside JIRA or in 3rd-party BI solutions and reporting services) 🛠 develop MS Project addons for integrations with other tools (like Jira) 🛠 analyze JIRA Server data using SQL working directly with database. Such a practice helps clients to get quick insights from Jira data and to find data inconsistencies 🛠 custom development of API’s, integrations with Tempo and Table Grid Editor API 🛠 help you to decide on the best suitable and powerful enough add-ons 🛠 configure third-party add-ons (Tempo Timesheet, Tempo Planner, EasyBI, Table Grid Editor, Rich Filters, SIL, Structure, Big Picture) 🛠 audit your instance, point to the bottlenecks, suggest improvements and implement an instance cleanup 🛠 provide a consultancy service or ongoing support During my career, I've worked with the Atlassian tools as a: 🔥 Project/Product/Program Manager 🔥 Team Lead 🔥 Jira Administrator 🔥 CMMI Appraisal Team member 🔥 Software Developer (Oracle and MS SQL Server DB Developer) This experience helps me understand business processes for different project roles My favorite Jira add-ons are ScriptRunner, MyGroovy and EasyBI. These add-ons allow making complex automations, integrations and data analyses with no limits. My approach is to be a business analyst before doing any task. At the beginning, I try to understand client needs and requirements. In most cases, I develop a prototype or simulate the case in my test environment. Then I suggest effective ways to accomplish the task based on my experience and knowledge of best practices. I’m organized, committed to quality, process and result oriented If this is something I can help you with, please reach out! Contact me for any Jira consultation task

Groovy
SQL Server Integration Services
SQL Server Reporting Services
Microsoft SQL SSAS
Project Management
Microsoft Project
Atlassian Confluence
Jira
API Integration
Apache Groovy
Microsoft Power BI
SQL
$45 hourly
Vitalii S.
- 5.0/5
- (6 jobs)
🙋‍♂️Hello! I'm Vitalii, a passionate and experienced developer with a strong background in building robust web applications and systems. With a knack for problem-solving and a commitment to delivering high-quality solutions, I thrive in dynamic environments where I can leverage my skills in various programming languages and frameworks. I have a proven track record of quickly mastering new technologies and concepts, making me a versatile asset to any project. My self-motivation and enthusiasm drive me to continuously improve and adapt, ensuring that I stay at the forefront of industry trends. Key Skills: - Programming Languages: TypeScript, JavaScript, PHP, .NET (C#), GoLang, Dart, Rust, Solidity, Swift, Java - Content Management Systems: WordPress, Joomla, OpenCart - PHP Frameworks: YII2, Laravel - Web Development: ASP.NET MVC, Web API, (X)HTML, CSS, AJAX - Version Control: Github, Gitlab - Databases: MySQL, MS SQL, MongoDB, PostgreSQL, Supabase, Firebase, Oracle 21c, SQLite - Cloud Services: AWS, Azure, - DevOps Tools: TeamCity, Digital Ocean, Nginx, Apache - JavaScript Libraries: Angular, React, jQuery, DataTables, Bootstrap, DevExtreme Technical Proficiencies: - Operating Systems: - Windows (7/8/10/11, Server 2012/2016) - Linux (Debian/Ubuntu, Ubuntu Server) - .NET Libraries: Entity Framework, WCF, NHibernate, Unity, HtmlAgilityPack, NLog, Moq Why Choose Me? - Quality Focused: I prioritize writing clean, maintainable code and delivering projects on time. - Collaborative Spirit: I enjoy working in teams and believe that communication is key to successful project outcomes. - Adaptable Learner: I embrace new challenges and technologies, ensuring that I can meet the evolving needs of my clients. Interests: When I'm not coding, you can find me at the gym or exploring new travel destinations. I believe that a balanced lifestyle fuels creativity and productivity. Let’s Connect! I’m excited to collaborate on your next project and help bring your ideas to life. Feel free to reach out to discuss how I can contribute to your success!

Groovy
CSS
Svelte
Apache Groovy
ArcGIS
Angular
Vue.js
WordPress
PHP
Java
Rust
Golang
TypeScript
JavaScript
MERN Stack
Web Development
$50 hourly
Mykyta D.
- 5.0/5
- (20 jobs)
⭐⭐⭐⭐⭐"Mykyta has exceptional characteristics both in hard and soft skills. He took a part in complex software development projects as a part of a large mixed group. The feedback from our customers and team is always positive." ⭐I'm the highest-rated and highest-earning Java & Groovy freelancer on Upwork with numerous 5-star reviews, including overly positive feedback. ⭐ I've developed different custom specific software using modern java & groovy software using microservice and monolithic architecture, improved performance, refactored and tested in next business domains: ✅ Utilities ✅ Fintech ✅ Auto ✅ Security ✅ Cryptocurrency ✅✅✅ Brief information about me! ✅✅✅ ✅ Senior Java & Groovy Software Engineer ✅ Specializing in back-end development | Cloud Integrations (AWS, GCP, Azure) ✅ I have over 6.5+ years of experience in Java development ✅ Experienced both in developing software from scratch and maintaining large existing projects ✅ I have hands-on experience in developing back-end web services with micro-service or monolith architecture using Java technology stack, including modern cloud-based solutions. 🌟 WHY YOU SHOULD CHOOSE ME OVER OTHERS? 🌟 ✅ Clients' feedback: I am concentrating on giving VALUE and bringing SUCCESS to all of my customers, earning their TRUST and helping them to EARN MONEY. ALL customers' feedback on my Profile is extremely important to me and proves the value that I provide. ✅ Responsiveness: Communication is extremely important as a part of every business ever existed, and once it is fast and clear, it may lead to awesome results, that's why I tend to be available for my customers in no time, reply fast and clear, as well as I try to be fair, understanding and responsive. ✅ Kindness and Empathy: My main personal principles that I implement in every facet of my life. Treating everyone with respect, aiming to understand the whole situation or problem to solve the pain of my client, and constantly work to IMPROVE the client's product. 🙋🏼‍♂️I am eager to work with you, to provide high-quality code, reliable, consistent solutions, solve your problems and bring success to your business. Contact me, and we will discuss how we can work together to FULLY meet your Business Needs, follow your business rules, and bring you success. A big area of expertise: - REST API design and development - Horizontally scalable and highly available systems - Automating development workflows and deployment pipelines - Micro-service design and development - Design and development of decentralized applications (DApps) - Monitoring, log aggregation - Java and Groovy development - Service-Oriented architecture - Spring Framework (including cloud-based stack) - Experience in NoSQL Development (MongoDB, Neo4j) - Performance and Scalability Optimization Huge Skills & Technologies set: - Java/Groovy - AWS - Linux (with distributives) - Jenkins, CircleCI, Rundeck, Rancher - Docker - MySQL, Postgres - Redis, MongoDB, Neo4j. - RabbitMQ, ActiveMQ, SQS, RabbitMQ

Groovy
AWS CloudFormation
Django
Hibernate
React
Angular
JavaScript
Python
AWS Lambda
Grails
Apache Groovy
Kotlin
Java
Spring Boot
$41 hourly
Anatoly V.
- 5.0/5
- (19 jobs)
25+ years working experience in IT industry. 15+ years of designing, implementation, testing, releasing, and documenting plenty of full life cycle business applications in desktop/client-server/REST/multi-tier/RDBMS/intranet/Internet environment. 12+ years of technical writing, EN-RU/RU-EN/EN-UA/UA-EN translation, and scientific/literary editing. 10+ years of developing and deploying software CAD/CAM systems.

Groovy
Ruby
SQL
Unix Shell
Bash Programming
Jenkins
C++
Apache Groovy
Java
$37 hourly
Anastacia B.
- 5.0/5
- (6 jobs)
Hi everyone! I am an Oracle Certified full-stack Java developer with huge experience writing secure code. I have been working on banking software for one of our local banks in Ukraine for more than 9 years. And it’s not a single experience I have, also I have worked on eCommerce projects, and participated in the development of hiring platforms, and tools for the CA Gen environment. My main goal is to create long-term relationships with my clients and build qualitative and reliable applications. I like to learn new technologies and move on with the latest trends in IT industry. I am an easy-talk-to person and think that communication is important in the development field. Feel free to message me, I will be glad to answer all your questions! These are my key skills: Backend: Java 6+, JavaEE, JavaSE Spring (Spring boot, Spring JPA, Spring data, Spring security and other Spring modules) Hibernate SQL DBs (MySQL, Oracle, PostgreSQL, SQLite) Non SQL DBs (Redis, Mongo) Elastic (full-text search and complicated full-text search) Amazon S3, AWS Thymeleaf Jasper Report jBOSS JBPM JUnit Frontend: ZK Ajax JSP, PrimeFaces HTML, XML Groovy Angular React Others JavaFX Git, SVN Docker SDK Eclipse/IntelliJ Idea Have a nice day!

Groovy
ZK Framework
J2EE
WildFly
Hibernate
JasperReports
Apache Groovy
Spring Framework
Java
PrimeFaces
$28 hourly
Oleksandr F.
- 5.0/5
- (3 jobs)
⭐⭐⭐⭐⭐ Senior Full Stack Developer with over 8 years of experience in designing and implementing complex web applications. Specializes in algorithm optimization and logistics solutions, leveraging expertise in both front-end and back-end technologies. Proven track record of enhancing system efficiency and performance through innovative problem-solving and advanced coding techniques. Adept at leading cross-functional teams and delivering high-quality, scalable solutions that meet business objectives.

Groovy
UI/UX Prototyping
WordPress
Vue.js
Angular
React
JavaScript
CSS
HTML
Grails
Java
Apache Groovy
Git
MySQL
Laravel
TypeScript
$80 hourly
Vovk O.
- 0.0/5
- (0 jobs)
I am an experienced Integration Developer and Technical Lead with nearly 20 years in software development. For the past five years, I have specialized in MuleSoft, where I’ve successfully led and executed complex integration projects. Prior to that, I spent seven years working with Oracle Service Bus, handling enterprise-level integrations. My expertise includes: Designing and implementing efficient integration solutions using MuleSoft and Oracle Service Bus. Strong proficiency in Java, Groovy, and Python for custom logic and scripting. Hands-on experience with databases, including optimization and integration. Extensive use of Git for version control and automation of CI/CD pipelines using GitHub Actions to streamline development and deployment processes. Leadership in guiding teams and managing projects from design to deployment. My goal is to provide clients with seamless and scalable integration solutions that align with business needs and technical requirements.

Groovy
Grafana
Kibana
Java
Git
Continuous Delivery
Continuous Integration
Software Integration
Apache ActiveMQ
Logstash
Apache Groovy
Python Script
Mulesoft
$60 hourly
Nazarii S.
- 4.4/5
- (317 jobs)
With over 13 years of dedicated service, I have contributed more than 37,000 hours of consultancy, significantly impacting businesses from startups to Fortune 100 and Fortune 500 companies. My dedication to excellence is proven by a 100% client recommendation rate on Upwork, with 64% of my clients establishing long-term relationships due to swift communication and the delivery of efficient, high-quality solutions. As a Certified Atlassian expert, I specialize in optimizing your business operations through comprehensive Atlassian services. My commitment is to provide seamless, efficient solutions tailored to your specific needs, ensuring your projects and teams are set up for success. Services Offered: ◼ Platform Selection and Setup: Guidance on choosing the right Atlassian platform (Server, DC, or Cloud) and configuring it to meet your business needs. ◼ Product Installation & Configuration: Expert installation and customization of any Atlassian product to align with your operational requirements. ◼ Troubleshooting & Fixes: Quick identification and resolution of any issues within your Atlassian environment. ◼ Efficient Solution Design: Translating business needs into effective, high-quality Atlassian-based solutions. ◼ Training & Documentation: Offering both 101 and corporate-level training on the Atlassian stack, complete with customized materials. ◼ Custom Development: From idea to marketplace, developing bespoke integrations or add-ons to extend your Atlassian tools' functionality. ◼ Data Migration: Seamless migration of your data across different platforms, ensuring no interruption to your business processes. ◼ Best Practices & Agile Implementation: Applying industry best practices and agile methodologies to optimize your team's efficiency and productivity. ◼ Ad-hoc Consultancy or Ongoing Support: Whether you need one-time advice or continuous support with agreed SLAs, I'm here to assist. ◼ Optimization Services: From setting up your Service Desk for maximum customer satisfaction to auditing and cleaning up your instance for cost efficiency. Reach out to discover how we can leverage Atlassian tools to streamline your operations and achieve your business goals. You can find me using the following keywords (Upwork search): Atlassian Consultant, Jira Consultant, Atlassian Jira Consultant, Confluence Consultant, Atlassian Confluence Consultant, Jira Service Management Consultant, Atlassian Jira Service Management Consultant, Atlassian Expert, Jira Expert, Atlassian Jira Expert, Confluence Expert, Atlassian Confluence Expert, Jira Service Management Expert, Atlassian Jira Service Management Expert, Atlassian SME, Jira SME, Confluence SME, Jira Service Management SME, Jira migration, Jira Professional, Jira Workflows, Jira Screens, Jira Permissions, Jira Custom Fields, Jira Automation, Jira Architect, Jira Support, Jira Services, Jira Administrator, Jira Admin, Confluence Administrator, Confluence Admin, Automation for Jira, Atlassian Consultancy, Jira Consultancy, Confluence Consultancy, Jira Service Management Consultancy, Advanced Roadmaps, Jira Align, Atlassian JIRA, Atlassian Confluence, Bitbucket, Jira Expert, Confluence Expert, Jira SME, Atlassian SME, Confluence SME, Jira scripting, Jira Developer, Jira plugin, Jira addon, Jira add-on, Jira Agile, Jira configuration, jira workflows, Jira permissions, Jira architect, Jira professional, Jira Consultant, Jira migration, Jira help, Jira tutor, Jira mentor, Jira trainer, Jira administration, Jira administrator, Jira support, Jira technical support, Jira Align, Jira consultancy, Jira architect, Senior Jira Consultant, Jira integration

Groovy
Automation
Process Design
API
DevOps
Atlassian Confluence
Bitbucket
Agile Software Development
Java
Apache Groovy
Agile Project Management
Jira
$45 hourly
Oleksii N.
- 0.0/5
- (1 job)
over 10 years of experience 👋 Hi there! I'm a Java Developer, Backend Developer, and Web Developer with over 10 years of experience building scalable and efficient software solutions. With a strong full-stack background, I can confidently handle projects of any complexity from concept to deployment. As a Full-stack Developer, I always put users at the center of the development process to ensure the final product meets all functional and technical requirements. I'm detail-oriented, performance-driven, and focused on delivering clean, well-structured code. 🔧 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: ✔️ Java ✔️ Spring Framework (Spring Boot, Spring Data, Spring Security) ✔️ Hibernate / JPA ✔️ PostgreSQL, MySQL, MariaDB ✔️ Maven, Gradle ✔️ JUnit, TDD ✔️ Git & CI/CD Pipelines ✔️ RESTful APIs ✔️ System & Software Design 🧠 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐤𝐢𝐥𝐥𝐬: ✅ Kotlin, Groovy, Grails ✅ Fineract (open-source fintech framework) ✅ MongoDB, Redis, Memcached ✅ RabbitMQ, Kafka, ActiveMQ ✅ HTML / CSS / JavaScript / TypeScript ✅ Angular, React ✅ PHP / Symfony ✅ Linux, AWS ✅ Agile, DDD, SOLID, GRASP, Enterprise Patterns 💼 𝐎𝐮𝐫 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: We have extensive expertise in Java backend development and a deep understanding of full-lifecycle Java applications. The Spring Framework is at the core of our development stack, and we're highly experienced with its ecosystem—Spring Boot, Spring Data, and Spring Security. We're proficient in working with relational databases like MySQL and MariaDB, and have a solid track record in designing, scaling, and maintaining them using Hibernate/JPA. We prioritize secure backend/frontend communication using HTTPS with TLS and have a thorough understanding of TCP/IP stack and Java NIO API for efficient network communication. Our team integrates time-tested and modern development principles such as DDD, SOLID, GRASP, TDD, and works in Agile environments. 🚀 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐞𝐝 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬: - Nationwide caregiving network - Custom workflow engine for process automation - Online banking platform - Precious metals trading platform - Hospitality service management - Contributions to the open-source Apache Fineract project If you're looking for a reliable partner to build or enhance your backend systems, let's connect. I'd be happy to support your project with proven experience and high-quality development. Feel free to reach out any time!

Groovy
Kotlin
App Development
React
Apache Kafka
Apache Groovy
JavaScript
Redis
API Development
MongoDB
PostgreSQL
Hibernate
Full-Stack Development
Back-End Development
Spring Framework
Java
$40 hourly
Alexandr S.
- 0.0/5
- (0 jobs)
Looking to build or scale robust backend systems for your business? As a Senior Java Engineer with 6+ years of experience, I specialize in designing, developing, and optimizing complex backend solutions, particularly for high-load eCommerce platforms. My primary focus is Java (8-17) and the Spring ecosystem (Spring Boot, Core, MVC, Data, Security). My expertise includes: - Architecting and building robust Spring Boot microservices. - Developing efficient RESTful APIs and integrating systems using messaging queues (Kafka, RabbitMQ). - Working with relational and NoSQL databases (PostgreSQL, Redis, MongoDB). - Utilizing Docker, CI/CD (GitHub Actions, Jenkins, GitLab CI), and cloud platforms (GCP) for scalable and reliable deployments. - Implementing monitoring and observability (Prometheus, Grafana, Dynatrace, Kibana) to ensure system stability. With experience in modernizing legacy systems, optimizing performance (including CI/CD pipelines), and holding a GCP Associate Cloud Engineer certification, I deliver clean code and effective solutions. Ready to discuss your backend development needs!

Groovy
Docker
Agile Software Development
Jenkins
CI/CD
SAP Hybris
Hybris
Mockito
JUnit
Spring Framework
Spring MVC
Spring Boot
Hibernate
JavaScript
Apache Groovy
Java
$25 hourly
Vitalii H.
- 0.0/5
- (0 jobs)
Java/Groovy back-end developer in Ecommerce field. Have experience in solid and microservices arhitecture.

Groovy
WSO2
RabbitMQ
Spring AMQP
Spring Boot
Apache Groovy
Kotlin
Java
Android App Development
Ecommerce
$25 hourly
Ruslan K.
- 0.0/5
- (0 jobs)
Experienced java developer. Focus area – web development. Good knowledge of software development and maintenance processes. I have strong experience in J2SE, J2EE, Spring, Hibernate, Maven, Gradle, Servlets, JSP, JDBC, ORM, JPA. Interested in SCALA, CONCURRENT PROGRAMMING, BIG DATA, MACHINE LEARNING. Experience in Object-Oriented analysis and design as well as infunctional programming, Design Patterns, UML Good English communication skills. Have additional staff resources on demand(full engineers/qa team).

Groovy
JavaScript
CSS
NoSQL Database
HTML
TypeScript
C#
SQL
Java
Scala
Apache Groovy
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