Senior .NET Developer / Tech Lead for BA's Client

Baltic Amadeus is a technology partner helping organisations build and scale their IT solutions. With a team of 300+ IT professionals, we turn complexity into systems that actually work.

Our expertise spans the full IT lifecycle, from IT consulting and custom software development to mobile app development, mobile banking, cyber security, including penetration testing, and web portal development. We create internal systems and customer-facing platforms, including mobile applications, self-service, eCommerce, and banking solutions.

Our team has proven experience in industries where reliability and compliance are critical, such as banking and finance, public sector, telecommunications, logistics, and insurance.

With 37+ years in the industry, we partner with clients across the globe, including Fortune 500 and Forbes Global 2000 companies, helping them achieve measurable business results.

Project/Client: Fintech

Location: Lithuania

Start Date : ASAP

Duration: 12 months

Language : English

Role Overview We’re looking for a Senior .NET Developer / Tech Lead to join our engineering team and build payment-focused backend solutions in a regulated fintech environment. This is a hands-on role combining software development with technical leadership. You’ll design and develop backend services, contribute to technical and architectural decisions, and help the team maintain high engineering standards.

Key Responsibilities

• Design and develop backend services using C# / modern .NET
• Contribute to technical design and architectural decisions
• Build integrations with REST APIs, third-party platforms, messaging, and file-based interfaces
• Ensure code quality through code reviews and engineering best practices
• Mentor developers and lead technical discussions
• Work with SQL, relational databases, CI/CD, and Docker
• Build secure, reliable, and scalable software solutions
• Collaborate with product, compliance, QA, and other engineering teams

Must-Have Requirements

• 7+ years of hands-on C# / .NET experience
• Strong backend development experience
• Experience with REST APIs, integrations, and distributed systems
• Strong SQL and relational database experience
• Experience with Docker and CI/CD
• Understanding of secure and reliable software development
• Experience as a Senior Engineer, Tech Lead, or similar
• Ability to take technical ownership and guide other developers

Nice To Have

• Experience in payments, banking, fintech, or financial services
• Experience in a regulated / compliance-driven environment
• Knowledge of ISO 20022 / SEPA
• Understanding of clearing, settlement, or payment processing
• Experience with Azure or AWS

Hourly rate: up to 52 EUR (Gross). If you have different expectations, please let us know - we are open to discussing compensation based on your skills and experience.