Lista ofert pracy

• Tworzenie i utrzymywanie usług backendowych w języku Java (Spring Boot lub podobne frameworki).
• Projektowanie i wdrażanie mikroserwisów na klastrach Kubernetes.
• Implementacja potoków CI/CD oraz automatyzacja wdrożeń na platformach chmurowych (AWS, Azure, GCP).
• Monitorowanie, diagnozowanie problemów oraz optymalizacja wydajności aplikacji.
• Zapewnienie zgodności z wymaganiami bezpieczeństwa i standardami compliance.
• Współpraca z zespołami międzyfunkcyjnymi w celu ...

• Minimum 5 lat doświadczenia w programowaniu w języku Java.
• Bardzo dobra znajomość architektury mikroserwisów.
• Praktyczne doświadczenie z Kubernetes oraz konteneryzacją (Docker).
• Znajomość platform chmurowych oraz narzędzi Infrastructure as Code (np. Terraform, Helm).
• Doświadczenie z narzędziami CI/CD (Jenkins, Ansible).
• Silne umiejętności analityczne oraz rozwiązywania problemów.

• Co-develop the application alongside developers, with a strong focus on maintaining and enhancing quality
• Design, develop, and maintain automated tests
• Create test cases and test strategies for automated tests
• Execute manual tests
• Review software requirements
• Be a part of a Scrum team
• Interact with customers to understand product requirements

• Experience as a Quality Assurance / Tester or similar roles (5 years)
• Experience in hands-on test automation using tools like Playwright (3 years)
• Knowledge of programming languages (preferably TypeScript)
• Understanding of Page Object Pattern
• Technical experience with Git
• Familiarity with API testing and services
• Experience with performance tests, and Artillery.io tool or Grafana k6
• Familiarity with GitHub Actions
• In-depth knowledge of defect management tools (such as JIRA, ...

• Develop and execute manual test cases based on product requirements and specifications.
• Identify, document, and track defects using bug tracking tools.
• Perform functional, regression, exploratory, and smoke testing to ensure software stability.
• Collaborate with developers, product managers, and other stakeholders to understand requirements and enhance product quality.
• Validate fixes and perform thorough retesting of resolved issues.
• Assist in creating and maintaining test ...

• 6 years of experience in manual software testing.
• Strong understanding of software development life cycle (SDLC), testing methodologies, tools, and processes.
• Strong ownership mindset with the confidence to make decisions and take responsibility for quality outcomes.
• Proactive attitude, identifies risks, raises concerns early, and drives issues to resolution independently.
• Comfortable challenging assumptions and advocating for quality standards across teams.
• Ability to work ...

As a Senior Python Software Engineer on the Rublon Services team you will:

• Design, build, and evolve Python services and data-driven components that power network planning and delivery applications.
• Develop and maintain data pipelines and processing workflows, turning raw network and spatial data into reliable outputs.
• Work with PostgreSQL to model, query, and migrate application data; write efficient SQL when needed.
• Implement and maintain geospatial capabilities, including working with...

• 5 years of professional software engineering experience, with strong depth in Python (currently using Python 3.11) and ownership of production systems end-to-end.
• Practical experience with PostgreSQL, including writing efficient SQL, understanding indexing/performance basics, and designing reliable schemas.
• Hands-on use of SQLAlchemy and Alembic (or equivalent) for ORM-backed development and managing database migrations safely in production.
• Proven ability to design and evolve ...

• Writing automated test scripts to verify and validate that the new software meets the business needs
• Gaining a strong understanding of the business operation
• Recording and monitoring QA test results
• Enhancing existing automation back end and front end framework
• Providing coaching support to others in the QA team
• Providing QA effort estimates in work refinement sessions
• Helping to drive the test automation strategy across the business
• Running performance tests and ensuring that ...

• 3 years of experience in testing (with at least 1 year in UI/API automation)
• Sound knowledge and experience of Web Application testing including API testing using Rest
• Experience using C# language
• Experience with software QA processes, methodologies, and tools
• Sound knowledge of SQL server and TSQL, Visual Studio, Git, Selenium, Xray and Page Object Model
• Knowledge of current industry-wide quality & test processes, practices, tools and techniques
• Self-organizing problem solver with...

• Plan and execute infrastructure migrations across multiple environments
• Manage Kafka infrastructure including consumers, producers, and cluster configurations
• Implement infrastructure-as-code for repeatable deployments
• Migrate services to new cloud proxy architectures
• Work with established migration patterns and documentation
• Coordinate with cross-functional teams on dependencies and rollouts

• 5 years of infrastructure/backend development experience
• Experience with Kafka ecosystem (consumers, producers, consumer groups)
• Proficiency in Python or Go
• Proficiency in Kubernetes and container orchestration
• Experience with infrastructure-as-code (Terraform)
• Experience with relational databases
• Experience with AWS or GCP cloud platforms
• Strong communication skills and ability to work in hybrid/remote teams
• Self-directed with ability to work independently
• Upper-Intermediate...

• Work as part of a 4–6-person team with a dedicated Product Owner
• Break down business requirements into deliverable user stories and deploy them iteratively to production
• Take ownership of production support following the rule: “the team builds it, the team supports it”
• Identify technical debt and help balance it with new feature development
• Design solutions aligned with established technology principles and constraints
• Pair with team members and contribute to shared ...

• Minimum 3–5 years of commercial development experience
• Strong, demonstrable experience in Java and Python
• Experience or interest in Machine Learning, NLP, AI or Data Science (nice advantage)
• Ability to mentor and collaborate with other engineers when designing new systems and components
• Good command of spoken and written English
• Previous exposure to event streaming technologies
• Nice to have: Experience with JavaScript or Vue
• Familiarity with additional programming languages ...

• Develop and execute manual test cases based on product requirements and specifications.
• Identify, document, and track defects using bug tracking tools.
• Perform functional, regression, exploratory, and smoke testing to ensure software stability.
• Collaborate with developers, product managers, and other stakeholders to understand requirements and enhance product quality.
• Validate fixes and perform thorough retesting of resolved issues.
• Assist in creating and maintaining test ...

• 6 years of experience in manual software testing.
• Strong understanding of software development life cycle (SDLC), testing methodologies, tools, and processes.
• Strong ownership mindset with the confidence to make decisions and take responsibility for quality outcomes.
• Proactive attitude, identifies risks, raises concerns early, and drives issues to resolution independently.
• Comfortable challenging assumptions and advocating for quality standards across teams.
• Ability to work ...

• Modify existing software to implement new features, correct errors, and improve performance.
• Confer with systems analysts, developers, programmers, and others to design systems and obtain information on project limitations, capabilities, and performance requirements.
• Participate in code reviews, mentor other developers, ensure consistency, quality, and best practices to ensure compliance.

• 4-5 years of real-world experience with modern Python.
• Willingness to come into the Kraków or Gdańsk office 2-3 times per week.
• Experience in at least one of the modern Python frameworks – Django, FastAPI, Flask.
• Experience building and consuming APIs.
• SQL and NoSQL Database skills – ability to execute basic queries containing simple filters and aggregations.
• Knowledge of Python idioms and design patterns.
• Experience using CI/CD processes on a daily basis.
• Experience ...

• Design and implement engineering solutions that directly support the customer’s business goals.
• Collaborate closely with Product Manager and end-users of the platform to clarify business needs and shape technical solutions through direct communication (there is no intermediary Business Analyst).
• Create robust UI/UX based on the end user’s needs and existing design system.
• Take ownership of the end-to-end delivery process, from understanding the problem to deploying stable and ...

• JavaScript / React: 6 years of front-end experience, including 2 years with React.
• TypeScript: 2 years of commercial experience.
• Data-heavy UIs: Strong experience with analytics-focused interfaces (charts, tables); Highcharts is a plus.
• UI/UX: Proven ability to deliver high-quality UI/UX, work with or without designers, and improve existing designs relying on the existing design system.
• English (B2): Fluent spoken and written communication.
• **Front-end ...

• Develop commercial grade software that is user friendly and suitable for a global audience.
• Develop framework-agnostic components that are shared and reused across frontend applications.
• Optimize applications for quality, usability, performance, accessibility, and maintainability.
• Verify your work through automation testing.
• Maintain and enhance the build and deployment tool chain.
• Take part in planning activities such as design, architecture and requirements reviews, story grooming,...

• A B.S in Computer Science or equivalent.
• 5 years of experience building scalable commercial web applications with RESTful data sources.
• Excellent applied skills in Angular or React and Node.js programming.
• Full stack experience, ideally building RESTful web services in a cloud computing environment.
• Experienced in building and integrating web components using Module Federation.
• Expertise with modern web development tools such as node, npm, git, yarn, webpack, ESLint, and Docker.
• ...

• Design and develop scalable backend services using C# / .NET
• Build and maintain a message-based microservices architecture
• Develop and enhance React-based front-end applications
• Implement real-time functionality using SignalR
• Manage application state using Redux and RTK Query
• Contribute to cloud-native solutions deployed in Microsoft Azure
• Leverage generative and agentic AI tools (e.g., GitHub Copilot) to improve engineering efficiency
• Collaborate with cross-functional teams to ...

• 5 years of experience with C# and modern .NET
• Proven experience working with message-based microservices architecture
• Solid hands-on experience with Microsoft Azure
• Strong production experience with React
• Practical experience with Redux and RTK Query
• Experience with SignalR
• Hands-on experience using generative AI tools for software development (e.g., GitHub Copilot)
• Strong understanding of clean architecture and distributed systems

• Build and maintain a full E2E testing framework using Testcontainers-go and containerized test environments.
• Develop advanced API mocks, stubs, and simulation layers for complex scenarios.
• Create automated test suites in Go or Python covering functional, integration, and system-level tests.
• Ensure all new features are fully validated as they are developed.
• Improve test stability, reliability, and execution performance across multiple environments.
• Collaborate closely with developers ...

• 5 years of experience in automated software testing or QA engineering.
• Strong programming skills in Go or Python (must be able to write tests, frameworks, and tooling).
• Hands-on experience building E2E test frameworks from the ground up.
• Proficiency with Testcontainers-go or similar containerized testing technologies.
• Solid experience with Docker in test environments (multi-container orchestration, networks, isolated environments).
• Ability to create advanced API mocks, fake services,...