Senior Fullstack Developer

• 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

• 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

• Stable employment conditions: permanent employment contract (after a 3-month probation period) or B2B as an exception
• Private medical care (LuxMed)
• Flexible working hours
• Medicover Cafeteria system / sports card (150 PLN gross per month)
• Edenred lunch card (450 PLN gross per month)
• Remote work allowance (200 PLN net per month)
• Employee loans with 0% interest
• Free language courses during working hours (enrollment every six months)
• Vacation allowance
• Workation - the possibility to work from any location where SD Worx has an office (4 weeks per year, EU only)
• Life insurance (Unum)
• Annual bonus
• Glasses or contact lenses subsidy (500 PLN gross every 2 years)
• Employee Referral Program
• Professional training opportunities
• Free parking spaces for employees
• PPK (Employee Capital Plans) - 3.5% employer contribution
• Team-building events

In today’s new world of fluid work, people want to be inspired by what they do and have the freedom to focus on what matters. Organisations need a dynamic, motivated workforce empowered by smart technology. As a leading European provider of integrated HR solutions, SD Worx turns HR into a source of value for their customers’ business and the people that work for them. SD Worx delivers HR solutions across the entire employee lifecycle, from paying employees to attracting, employing, rewarding and developing the talent who make businesses succeed. SD Worx powers performance through four core capabilities: software, outsourcing, consultancy and data-driven insights. 

SD Worx is the trusted leading European provider of end-to-end HR solutions for all organisations and workers. About 90,000 small and large organisations across Europe place their trust in the company and its +75 years' worth of experience. SD Worx calculates the salaries of approximately 5.7 million employees and ranks among the top five worldwide. The more than 7,500 employees operate in Belgium (HQ), Austria, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Luxembourg, Mauritius, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland and the UK. SD Worx achieved a consolidated revenue of EUR 1.058 billion in 2023.