Fullstack Developer
Contract: B2B
Salary: 110–140 PLN/h net/B2B
Location: Remote within Poland
Start: ASAP
Key Technologies
Java (Spring, Spring Boot)
JavaScript / TypeScript, Angular, Vue.js
JSON/REST, Relational Databases (SQL)
Microservices architecture, Autoscaling, High Availability
Linux, Server Operations & Virtualization
Automated Testing (Selenium, Wiremock)
AWS Lambda or similar cloud functions
Project Overview
Join the team as a Full-Stack Developer supporting a Nordic SaaS customer. The project involves designing and implementing scalable, cloud-based microservices, delivering high-quality, adaptive software solutions. You will collaborate in cross-functional teams to improve architecture, develop automated and test-driven systems, and contribute to real-time, high-availability applications. The focus is on building robust backend services while integrating modern frontend frameworks, optimizing for scalability, maintainability, and operational efficiency.
Responsibilities
Design, develop, and maintain full-stack applications with emphasis on microservices architecture
Apply test-driven development practices in an agile environment
Collaborate in cross-functional teams to continuously improve systems and workflows
Contribute to architecture decisions ensuring scalability, adaptability, and high availability
Integrate cloud-based services (AWS Lambda or similar)
Develop automated tests and CI/CD pipelines
Leverage AI/automation tools where applicable to improve development efficiency
Mentor junior developers and share knowledge of best practices
Requirements
Min. 5 years of commercial experience as a Full-Stack Developer (mid-to-senior level)
Strong hands-on experience with Java, Spring / Spring Boot, and modern frontend frameworks (Angular, Vue.js)
Experience in microservices, REST APIs, relational databases, SQL
Solid knowledge of Linux, server operation, and virtualization
Experience with automated testing frameworks like Selenium and Wiremock
Understanding of cloud environments, serverless functions, and autoscaling
Good communication skills in English (B2+/C1)
Ability to work independently in an evolving product environment
Nice to have
Experience with Elixir, Scala, Python, or Asterisk
Knowledge of WebRTC or SIP protocols
Familiarity with CI/CD tools (Jenkins), project tools (Confluence, Jira)
Exposure to AI-assisted development or custom AI integrations
Experience with cloud-native architectures and large-scale SaaS systems
Why join us?
Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients.
Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology!
Stable, long-term, full-time collaboration.
Remote work within Poland and flexible working hours.
High engineering culture with a focus on growth and learning.
Multinational teams.
Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).

Rite NRG
We’re Rite NRG - a tech company that’s been helping build great digital products since 2017. We create dedicated IT teams, develop web apps, and deliver AI-driven solutions. We work with companies worldwide, helping them...
Fullstack Developer
Fullstack Developer