#HumanizingTechnology
ABOUT SEIDOR
SEIDOR helps organizations transform and stay competitive through technology and innovation, always putting people first. With over 8,000 professionals in 45 countries, we are a diverse and inclusive global team committed to talent, equal opportunities, and sustainable growth. Will you join us in humanizing technology?
We are looking for a Senior Software Developer – (Full Stack) to join our team in Warsaw, Poland (Near-site) and contribute to a high-impact IT project within a European Union agency.
WHAT WILL YOU DO IN YOUR DAY-TO-DAY?
- Design, develop, and maintain enterprise-level software applications.
- Lead technical development teams and coordinate software engineering activities.
- Translate business and technical requirements into scalable software solutions.
- Develop modern frontend applications using Angular, TypeScript, RxJS, NgRx, and CSS/SCSS.
- Develop backend services using .NET, C#, Node.js, NestJS, or alternative JavaScript frameworks.
- Design and implement microservices and microfrontend architectures.
- Work with relational and non-relational databases.
- Apply object-oriented and functional programming principles and design patterns.
- Optimise application performance, security, reliability, and code quality.
- Develop automated and unit tests to ensure software quality.
- Contribute to CI/CD pipelines, container-based environments, and release management.
- Prepare technical documentation, software designs, and development standards.
- Participate in Agile/Scrum activities, requirements analysis, testing, and deployment.
- Provide technical support and contribute to continuous improvement.
WHAT DO WE EXPECT FROM YOU?
- Bachelor's degree or equivalent qualification.
- Minimum 6 years of IT-related professional experience.
- Minimum 3 years of experience in relevant software development projects or similar positions.
- At least one advanced-level certification in a software development technology domain.
Specific technical requirements:
- Proven experience as a Senior Full-Stack Developer or Lead Developer.
- Strong expertise in enterprise software development and the complete software development lifecycle.
- Experience designing and developing microservices or microfrontend solutions.
- Strong frontend development skills with Angular, RxJS, NgRx, TypeScript, and CSS/SCSS.
- Backend development experience with Node.js, NestJS, or alternative JavaScript frameworks.
- Backend development experience with .NET and C#.
- Experience with relational databases (e.g. Microsoft SQL Server) and non-relational databases.
- Knowledge of GraphQL and UML application modelling.
- Strong understanding of object-oriented and functional design patterns.
- Experience developing automated and unit tests.
- Knowledge of CI/CD tools such as Azure DevOps and container-based environments such as OpenShift.
- Experience working within Agile/Scrum development teams.
- Ability to lead technical teams, document solutions, and solve complex technical problems.
Will you join us in humanizing technology?
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