Remote Fullstack .NET Developer for Payroll Apps

SD Worx Poland

Województwo śląskie

On-site

PLN 180,000 - 270,000

Full time

5 days ago

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Benefits offered by this job

Flexible hours & remote work

Private medical care (LuxMed)

Cafeteria system

Lunch card (Edenred)

Remote work allowance

Loans for employees

Life insurance

Annual bonus

Free parking

Referral program

PPK 3.5% employer contribution

Learning opportunities

Career growth

Workation: 4 weeks per year (EU)

Job summary

SD Worx Poland is seeking a Senior Fullstack Developer to join a team maintaining the LOS21 payroll application for the Belgian market. You will work with hundreds of internal users to improve their experience by addressing new legislation and simplifying processes.

The role requires 5+ years of .NET development, strong SQL and WinForms, and familiarity with Git, Visual Studio, and AI tools. Fluent English is mandatory. Remote-friendly with international collaboration.

Qualifications

5+ years of .NET development in complex software environments.
Practical expertise in WinForms application development.
Strong SQL skills and database querying knowledge.
Proficiency with Git and modern version control practices.
Ability to work across front-end and back-end technologies.
Comfortable using Visual Studio as a primary development environment.
Familiarity with AI tools and their application in software development.
Degree in Information Technology or equivalent hands‑on experience.
Fluent English communication skills, both written and spoken.

Responsibilities

Cooperating closely with the team to understand requirements for legacy applications.
Contributing throughout all phases of the product lifecycle, from ideation and development to maintenance.
Devising solutions that are both functionally effective and technically robust.
Troubleshooting, debugging, fixing, and implementing solutions; participating in code reviews.
Providing third-line support to end users when required.
Working independently and proactively identifying solutions.
Handling periods of intensive workload effectively and efficiently.
Collaborating with server and network support departments.