Senior Application Developer- Full Stack
Hybrid · Krakow, Łódź Voivodeship, Republic of Poland
Job Summary
Senior Application Developer with hands-on full-stack experience (C#, .NET 8, ASP.NET Core, Angular) leading technical design, mentoring junior developers, and improving CI/CD pipelines. Develop and sustain enterprise applications across multiple departments, drive requirements with partners via Azure DevOps, ensure security, performance, and scalability, and maintain coding standards while collaborating with on-site and remote stakeholders. Requires strong SDLC/Agile practices, experience with MSSQL, IIS, and strong problem-solving skills; role includes 2 days/week in the Krakow office and offers a base salary in PLN with potential incentives.
Required Qualifications
- Bachelor's Degree in Information Technology, Computer Science or equivalent
- 5+ years of relevant experience
- Full stack development experience (web UI, APIs, databases)
- Experience with Microsoft SQL Server (MSSQL), including schema design, performance tuning, and query optimization
- Expertise with C# and .NET 8+ ASP.NET(Core) for building and maintaining web applications and APIs
- Experience building front-end applications with Angular 20+
- Hands-on experience with Azure DevOps (Boards, Repos, Pipelines) for CI/CD and release management
- Familiarity with IIS and deploying/supporting web applications in IIS (configuration, bindings, certificates, and troubleshooting)
- Ability to lead technical design discussions, perform code reviews, and mentor other developers
- Strong analytical and troubleshooting skills; able to lead root-cause analysis and implement preventative fixes
- Experience in work directly with business stakeholders
- Commitment to secure development practices and high-quality delivery
- Fluency in written and spoken English
- Availability to work 2 days per week in Krakow office
- Bachelor's Degree in Information Technology, Computer Science or equivalent.
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.