Senior Full Stack Developer
- Belgrade
- Krakow
- Lodz
- Lublin
- Remote.Poland
- Warsaw
- Wroclaw
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Project overview
Position overview
Technology stack
Responsibilities
- Design, develop, and maintain new features and modules across backend and frontend components
- Support, enhance, and continuously improve the existing codebase
- Build deep product knowledge, including its integrations, data flows, and ecosystem
- Investigate and troubleshoot technical issues, working closely with support teams to provide end-to-end solutions
- Collaborate with Product Managers, Software Engineers, QA Engineers, SRE teams, and other stakeholders throughout the development lifecycle
- Create unit and integration tests to ensure software quality and reliability
- Participate in peer code reviews and promote engineering best practices
- Develop and maintain integrations with third-party tools and external systems
Requirements
- 5+ years of commercial experience in full-stack software development
- Strong backend expertise with Java and Spring (Boot, MVC, Data)
- Experience designing and implementing APIs
- Solid knowledge of relational databases, particularly PostgreSQL, including debugging performance and data-related issues
- Strong understanding of OOP principles, design patterns, and Test-Driven Development (TDD)
- Hands-on experience building production-grade applications with React, including hooks, component composition, and performance optimization
- Strong proficiency in TypeScript, including advanced typing and type-safe application design
- Experience working with state management libraries such as MobX, Redux, or similar solutions
- Good understanding of modern build tools and frontend tooling, including Vite or Webpack
- Strong analytical and problem-solving skills with the ability to investigate unfamiliar technical challenges
- High level of ownership and ability to work independently in a remote environment
- Ability to start tasks with incomplete specifications and refine requirements during implementation
- Upper-intermediate (B2+) or higher level of spoken and written English
- Strong communication skills and ability to collaborate effectively in an international environment
Nice to have
- Experience developing applications within the Atlassian ecosystem (e.g. Atlassian Forge)
- Familiarity with analytics, reporting solutions, or data integration protocols
- Experience working with AWS services (EC2, ElastiCache, RDS), Kubernetes, and CI/CD pipelines
- Knowledge of performance optimization techniques and secure coding practices
- Experience supporting customer-facing products and collaborating with support teams
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We offer
Vacation
As per the laws of your country. We do ask you to take a proper rest
Health insurance
We help you to take out an insurance policy for you and your loved ones
Sick pay
10 days without a doctor's note, afterwards - as per the laws of your country
Time off for state holidays
According to the official calendar, regardless of the client’s schedule
Pleasant environment
Two large corporate parties and many small get-togethers for colleagues
Comfort service
Solving technical and everyday problems at work
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