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Senior Fullstack Developer
  • Warsaw
Senior Fullstack Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
SD Worx
13. 2. 2026
Informacje o stanowisku

technologies-expected :


  • C#
  • T-SQL
  • Docker

responsibilities :


  • Apply technical knowledge, skills, and expertise to provide development, testing, or support services to clients and customers
  • Achieve delivery of core/customized products in accordance with agreed schedules, procedures, and standards
  • Accurate recording of time, effort, and schedule-related activities via trackers
  • Root cause analysis of defects/issues and drive resolution
  • Work efficiently on development tasks in accordance with the client and project needs and methodology standards
  • Perform code reviews independently, assist in developing revisions, and log defects/deficiencies
  • Ensure code satisfies design specifications and complies with project standards
  • Maintaining code quality across projects
  • Fix all detected errors in accordance with the agreed schedule
  • Check that effort/schedule estimates are realistic and, once committed to, are being met
  • Resolve design problems and ensure documentation completeness

requirements-expected :


  • At least 5 years experience in software development
  • Experience in backend technologies and building RESTful web APIs
  • Knowledge of cloud platforms Azure and AWS
  • Understanding of tracking and versioning systems (TFS, Git, Azure DevOps, ...)
  • Experience in working in Agile development teams
  • Experience of continuous integration, app build, and delivery systems
  • Experience in writing secure applications and coding defensively
  • Knowledge of Payroll systems would be an advantage
  • Excellent analytical and problem-solving skills
  • Technical skills:
  • NET 8.0+
  • C#
  • Rest API development
  • Entity Framework Core
  • T-SQL
  • Azure resources
  • App Services
  • SQL Server / Database
  • Storage
  • Insights
  • Service Bus
  • Functions
  • Azure DevOps (Work items, git, CI/CD pipelines)
  • Aspire
  • Docker
  • Angular 20+
  • Routing
  • Rxjs
  • Bootstrap
  • Typed API clients

offered :


  • Stable employment conditions: permanent employment contract (after a 3-month probation period)
  • Flexible working hours and remote work opportunities (office visits once per month)
  • Private medical care (LuxMed)
  • Cafeteria system/Sports card
  • Lunch card (Edenred)
  • Financial allowance for remote work
  • Loans for employees
  • Workation: possibility to work from any SD Worx location (4 weeks per year, EU only)
  • Life insurance
  • Holiday allowance
  • Free language courses (during your working hours)
  • Annual bonus
  • Integration events
  • Free parking spaces for employees
  • Referral program
  • PPK (Employee Capital Plans): 3.5% employer contribution
  • Learning opportunities: through an individual development plan and professional training
  • Career growth: whether you want to become more of an expert in your field or expand your knowledge horizontally, there’s always room to grow within SD Worx!

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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