Senior .Net Developer

About us:

Access Finance is a stable financial technology company operating across Bulgaria, Romania, Spain, Mexico, and the United States. As part of Management Financial Group (MFG), we are supported by 8,300+ professionals across Central and Eastern Europe.

Our engineering team supports mission-critical financial systems used daily by customers in multiple markets. We focus on reliability, clarity, and long-term sustainability. We build systems that must work — every day.

If you value structured collaboration, ownership, and real business impact, this role may be a strong fit for you.

Work Model

• On-site Monday–Thursday in our Sofia office
• Remote work on Friday
• Flexible start and end times within the working day.

Your Role:

As a Senior .NET Developer, you will take ownership of complex modules and architectural decisions within our core systems. You will contribute across the full software development lifecycle — from design and implementation to optimization and long-term sustainability.

You will collaborate closely with technical and business stakeholders, mentor less experienced engineers, and help maintain high standards of code quality and engineering discipline.

What You’ll Do:

• Design and implement scalable C# / .NET solutions
• Take ownership of complex features and architectural improvements
• Modernize and simplify legacy systems where appropriate
• Contribute to microservices-based solutions and system integrations
• Troubleshoot performance bottlenecks and production issues
• Mentor junior engineers and support onboarding
• Participate in code reviews and contribute to engineering best practices.

What Success Looks Like in the First 6 Months:

• Lead delivery of at least one significant feature or system improvement
• Contribute architectural input in technical discussions
• Improve maintainability or performance in at least one key system area
• Provide mentorship and technical guidance within the team
• Be recognized as a technical reference point within your domain.

You’ll Thrive Here If You Have:

• 5+ years of experience with C# and .NET Framework / .NET Core
• Strong SQL skills and experience with SQL Server
• Experience working with and refactoring legacy systems
• Solid understanding of software architecture principles
• Pragmatic problem-solving skills and strong ownership mindset.

Nice to have: Azure DevOps Pipelines, microservices architecture, WebForms, JavaScript / React, ELK stack, RabbitMQ, Terraform.

What We Offer:

• Structured compensation framework with defined salary ranges
• Annual performance review cycle
• 25+ days of paid vacation
• Additional paid leave based on length of service
• Stable, long-term product environment
• Additional health insurance
• Monthly food vouchers
• Subsidized Multisport card.

Why Join Us Now?

We are building a focused and accountable engineering structure. As a Senior Developer, you will have direct influence on technical decisions, clear ownership, and visible business impact within a stable and structured environment.