Hire the best Groovy Developers & Programmers in Poland

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$85 hourly
Rafal R.
- 5.0/5
- (8 jobs)
Experienced Java developer with solid skills of system design and analytical mindset. I also have engineer's degree in computer science.

Groovy
Vert.x
Cucumber
Micronaut
JUnit
Java
Apache Groovy
Microservice
Hibernate
SQL
Spring Framework
Git
$50 hourly
Guillaume G.
- 5.0/5
- (9 jobs)
🌟 Are you looking for a Cloud or DevOps Engineer? I'm available right now! 🌟 I am a freelance Cloud DevOps Engineer with 5+ years of experience. My daily duties are focused on enabling as much automation as possible to relieve developers and ops teams in their work, ensuring a smooth and secure journey from code to production. I have a strong experience in AWS and GCP cloud platforms. I can create automation scripts and workflows for a vast range of languages/applications. I have extensive knowledge of Jenkins, GitHub Actions and GitLab CI. I can help you migrate existing pipelines to a different CI/CD tool, automate repetitive tasks, deploy to the Cloud in one click, and much more! Here's a sample of my expertise: • Setting up a complete DevOps toolchain with automation server, source code management, code quality, security scanning, artifact repository, containerization, continuous deployment, notifications and monitoring. • Implementing DevSecOps tools in CI pipelines to assess the compliance of application packages and containers to security standards. • Creating CI/CD/CT pipelines to build, deploy and test applications*. • Migrating from Jenkins to GitHub Actions. • Containerizing applications (Dockerfile, Helm Chart). • Lots of Groovy scripting in Jenkins. • Writing scripts in Bash, Python or JavaScript to automate tasks. • Managing and maintaining Linux and Windows systems. I got certified 2 times with Google Cloud Platform, hold 1 certification from Amazon Web Services, and 2 from Microsoft Azure. I also followed extensive training courses on these public Cloud vendors. I am very versatile, and whether you’re a start-up, small business, or a Fortune 500 company, I welcome the opportunity to discuss how my expertise could serve you. Please contact me if you need a passionate and professional DevOps or Cloud specialist. * Professional experience in creating pipelines for Java microservices (Spring Boot), mobile applications (Android and iOS), Web applications (React) and serverless functions. Deployment in AWS EKS (Elastic Kubernetes Service) using Helm, AWS S3, AWS Lambda, and Google App Engine. Test Automation using Selenium/Appium and Cucumber Framework.

Groovy
GitLab
Cloud Computing
System Administration
GitHub
DevOps
Azure DevOps
Apache Groovy
Kubernetes
CI/CD
Docker
Jenkins
Bash
Amazon Web Services
Linux
Google Cloud Platform
$56 hourly
Vladislav B.
- 0.0/5
- (0 jobs)
I’m passionate about streamlining business processes and specialize in automation within the Atlassian ecosystem. With deep expertise in scripting, custom plugin development, and workflow optimization, I help teams save time and reduce manual work. I have extensive experience in both Cloud-to-Data Center and Data Center-to-Cloud migrations. My goal is always the same: deliver scalable, maintainable, and business-aligned solutions.

Groovy
API Integration
Automation Anywhere
Automation
Process Development
Process Architecture
Project Management
Kanban Board
Java
React
Apache Groovy
Bitbucket
Atlassian Confluence
Jira
Scrum
Scripting
$45 hourly
Kseniya S.
- 0.0/5
- (0 jobs)
🌟I have 8+ years of experience in DevOps services. Deep expertise in setting up secure, high-performance, scalable cloud infrastructures, continuous integration and delivery processes as well as performing automation and security audit. Designing and maintaining solutions for organizational efficiency and productivity. Here are some of technical highlights: ✓ Security audit ✓ Infrastructure audit ✓ Transfer of infrastructure to the cloud ✓ Infrastructure as a Code (IaaC) ✓ Moving infrastructure to Docker / Kubernetes ✓ Deployment automation ✓ Implementation of CI / CD ✓ Optimize infrastructure costs Technologies & Tools: Clouds: Azure (Azure DevOps, VMs, Functions, BlobStorage, CosmosDB, etc.), AWS (RDS, VPC, EC2, EBS, EFS, SSM, IaM, Route53, Beanstalk, CloudFront, Lambdas, CloudTrail, etc.); Python/Scripting: Bash, Django3, Boto3, AWS CDK, Azure SDK; Containerization and Orchestration: Kubernetes, Docker, Helm; IaC tools: Terraform, CloudFormation; CI/CD automation systems: Azure DevOps, Jenkins, GIT CircleCI, GitLab; Provisioning: Ansible; Logging and monitoring tools: ELK (ElasticSearch, Logstash, Kibana), Prometheus, Grafana, Zabbix; Command shells: Bash, PowerShell; Operating systems: Linux, Windows. ⚡️ AVAILABLE FOR NEW PROJECTS: Daily updates, Quick turnaround, Flexible Availability, Highest-Quality deliverables, Conversion increase, Individual approach to each project! ⚠️ Press Invite Button on my page and let's talk

Groovy
Wireframing
Figma
User Experience Design
Web Design
UI/UX Prototyping
DevOps
Security Infrastructure
AWS CloudFormation
Apache Groovy
Infrastructure as Code
CI/CD
Docker
Kubernetes
Python
Terraform
$35 hourly
Timofey V.
- 5.0/5
- (3 jobs)
I'm an experienced software engineer, passionate about solving complex problem with the cutting edge technologies. My expertise includes developing distributed & cloud-based systems, building low-latency services by using reactive and event-driven approaches, leading a development team and mentoring people. Currently I work on a personalized recommendations system in Tesco (one of the largest UK retailers)

Groovy
Core Java
English
RESTful Architecture
Microservice
Hibernate
Spring Framework
Web Service
Java
Apache Groovy
$15 hourly
Yaroslav D.
- 0.0/5
- (1 job)
Full Stack Developer with 4+ Years of Experience in Web and Backend Development Hello! I'm Yaroslav Didenko, a dedicated Full Stack Developer based in Warsaw, Poland. With over four years of professional experience, I have honed my skills in both frontend and backend development, making me a versatile asset for any tech project. Skills and Expertise: Frontend Development: Proficient in Angular, Next.js, Vue.js, and Tailwind CSS. Backend Development: Expertise in Spring Boot, Nest.js, Node.js, and Prisma ORM. Database Management: Experienced with Oracle SQL, MySQL, and MongoDB. Programming Languages: Strong command of Java, JavaScript, TypeScript, and Groovy. Tools and Technologies: Skilled in using Docker, Git, Jenkins, Google Cloud Platform, and Digital Ocean. Additional Skills: Familiar with Socket.io, WebSocket, RestAPI, and Microservices. Professional Experience: Avenga: Managed comprehensive frontend and backend development projects, including documentation and technical support. Sunden Group: Developed robust authentication and KYC systems, integrated REST API providers, and handled server management and client communication. CRM QualityWork System: Built a CRM system with Next.js, Prisma ORM, and MySQL, and implemented multi-language support. Whiteex: Created full-stack applications, integrated a Telegram bot, and implemented diverse payment methods. Amsort: Worked as a Junior Java Developer, handling backend and frontend development, and mobile development with Android Studio.

Groovy
Apache Groovy
Angular
Next.js
Vue.js
Websockets
CSS 3
HTML
Web Application
GitHub
TypeScript
JavaScript
Node.js
NestJS
Spring Boot
Java
$20 hourly
Dzmitry I.
- 0.0/5
- (0 jobs)
I am a Senior Java Developer with over 20 years of experience designing and building enterprise-grade applications in Java/J2EE. My primary focus is on Spring Boot, microservices, and RESTful APIs, with a proven track record of creating high-performance back-end architectures. Leveraging PostgreSQL, IBM Db2, and GraphQL, I ensure efficient, secure data management and seamless integration between distributed systems. On the front end, I specialize in React, TypeScript, and JavaScript, developing responsive, modern, and user-friendly interfaces. By combining my full-stack expertise, I deliver end-to-end solutions—from database schema design and back-end logic to front-end development and user experience. My experience with Docker, Git, Maven, and Gradle also means that I can set up streamlined CI/CD pipelines for faster release cycles. Above all, I’m passionate about writing maintainable, clean code and thoroughly testing it using JUnit, Mockito, and integration testing strategies. I’m comfortable collaborating across teams and proactively embracing new technologies to drive innovation and deliver top-notch results. If you need a developer who can bring clarity, efficiency, and reliability to your project, let’s connect!

Groovy
Amazon S3
Apache Groovy
GraphQL
JUnit
AngularJS
SQL
TypeScript
JSON
RESTful API
React
jQuery
Gradle
Spring Boot
Java Collections Framework
Java
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