Senior Fullstack .NET Developer

Margo; Remote; USD 80,000 - 100,000; Full time

Job summary

An international IT consulting company is seeking a Senior .NET Developer for a long-term enterprise banking project. You will engage in scalable backend and fullstack application development in a remote-first environment. The ideal candidate should have strong ownership of solutions, actively participate in technical decisions, and uphold high engineering standards. This role offers opportunities for growth and collaboration with experienced professionals.

Benefits

Long-term cooperation

Remote-first work model

Professional onboarding

Opportunity to grow in enterprise-scale systems

Collaboration with experienced developers

Qualifications

• Experience in .NET development.
• Ability to work on scalable backend and fullstack applications.
• Participation in technical decisions.

Responsibilities

• Join a long-term enterprise banking project.
• Work in a modern development environment.
• Support high engineering standards across the team.

Skills

Ownership of delivered solutions

Code quality

Automation

Scalable backend applications

Fullstack applications

Job description

Workplace type: Remote-first (with on-site team meetings twice a month in Warsaw)
Contract type: B2B / Permanent (UoP)
Salary (B2B): 120 – 135 PLN + VAT / hour

Availability: ASAP/ up to 1 month

About the role

We are currently looking for a Senior .NET Developer to join a long-term enterprise banking project. You will work on scalable backend and fullstack applications delivered in a modern development environment with strong focus on code quality, automation and stable delivery processes. This role is ideal for an experienced engineer who takes ownership of delivered solutions, actively participates in technical decisions and supports high engineering standards across the team.

About us:

MARGO is an international IT consulting company founded in Paris in 2005, with offices in London and Warsaw. We specialize in IT outsourcing and delivery of high-quality experts for complex technology projects across Europe. At MARGO, we focus on long‑term partnerships, transparency and continuous development.

What we offer:

• Long‑term cooperation on stable banking project
• Remote‑first work model with regular on‑site collaboration days
• Employment or B2B contract (based on your preference)
• Professional onboarding and technical support
• Opportunity to grow in enterprise‑scale systems
• Collaboration with experienced developers and architects
• Friendly and supportive MARGO team

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.