Software Developer
Summary
Senior/lead full-stack developer at ARHS in Warsaw who designs and builds enterprise-level systems — Angular frontends with RxJS/NgRx, Node.js/NestJS and .NET/C# backends, microfrontends and microservices, SQL/NoSQL data layers — while leading technical teams, writing docs, testing, and handling CI/CD releases and support.
- Design and develop enterprise-level software systems.
- Lead technical and development teams.
- Translate business and technical requirements into application designs.
- Design and develop data, business logic, and user interface layers.
- Design and develop microfrontend and microservices-based solutions.
- Optimize solutions for performance, security, quality, and maintainability.
- Define software development standards and propose technical solutions.
- Estimate development effort and delivery timelines.
- Produce clear technical documentation.
- Collect and interpret software development metrics.
- Manage software configuration and releases.
- Contribute to requirements analysis, testing, quality assurance, change management, and deployment.
- Develop automated tests, unit tests, testing tools, and prototypes.
- Provide second and third-line technical support.
- Minimum 6 years of IT-related professional experience, including at least 3 years of relevant project experience or experience as a Senior Full-Stack Developer, Lead Developer, or similar, with involvement in at least one complete solution lifecycle.
- Level 6 education or higher and minimum B2 English proficiency; an ICT-related degree is not mandatory.
- Strong experience developing enterprise-level software, including data, business logic and UI layers, microfrontends and/or microservices, UML, and object-oriented and functional design patterns.
- Strong frontend development experience with Angular, RxJS, NgRx, TypeScript and CSS/SCSS, combined with backend development using Node.js, NestJS or alternative JavaScript frameworks, .NET and C#.
- Experience with relational and non-relational databases, including technologies such as Microsoft SQL Server, as well as knowledge of GraphQL.
- Experience with automated and unit testing, CI/CD tools such as Azure DevOps, and container-based development environments such as OpenShift.
- Experience working in Scrum environments, combined with the ability to lead technical teams, solve technical problems, and produce effective technical documentation.
- At least one advanced-level certification in a software development technology domain