Senior .NET Backend Tech Lead (Fintech)

HitHunter; United States; On-site; USD 130,000 - 190,000; Full time

Job summary

HitHunter is seeking a Senior .NET Developer / Tech Lead to join our engineering team and build payment-focused backend solutions in a regulated fintech environment. The role combines hands-on development with technical leadership, designing and developing backend services and guiding architectural decisions.

You will mentor engineers, ensure code quality, and collaborate with product, compliance, QA, and other teams to deliver secure, scalable software.

Qualifications

• 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.

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.

Tools

C# / .NET

REST APIs

Docker

CI/CD

Relational databases (SQL)

Technical ownership

Mentoring

Job description

HitHunter is seeking a Senior .NET Developer / Tech Lead to join our engineering team and build payment-focused backend solutions in a regulated fintech environment. The role combines hands-on development with technical leadership, designing and developing backend services and guiding architectural decisions.

You will mentor engineers, ensure code quality, and collaborate with product, compliance, QA, and other teams to deliver secure, scalable software.