Finastra

Senior Back-end Engineer

United States · Work style not stated · Full time

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EmployerFinastra
LocationUnited States
Work styleWork style not stated
Employment typeFull time
Employer posted21 Sep 2026

Who are we?

At Finastra, we’re a global leader in financial services software, dedicated to expanding access to financial services and shaping what’s next for the industry. Our technology powers mission‑critical solutions across Lending, Payments and Universal Banking, supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more than 110 countries.

What will you contribute? We are looking for a Senior Back-End Engineer to design and implement robust backend services, APIs, and processes for Flow, Finastra’s Agentic AI platform. Responsibilities & Deliverables Focused on server-side application logic, data access patterns (APIs, databases, integrations), performance, scalability, and ensuring robust, maintainable backend services. Write clean, efficient, and maintainable backend code using Python/C#/.NET. Implement features, fix bugs, and conduct code reviews to maintain quality standards. Maintain and improve codebases and create technical specifications. Focus on implementing APIs, services, and backend processes for enterprise applications. Collaborate with front-end developers and other stakeholders to ensure seamless integration. Implement unit tests to ensure code reliability and maintainability. Required Skills & Experience Expert in python, C#/.NET and OOP fundamentals Solid understanding of databases Hands-on experience with container development and deployment using Docker and Kubernetes Familiarity with Git and GitHub for version control Experience with Development on Azure Understanding of common software design patterns Experience integrating with LLMs and ML systems Experience implementing API endpoints Oriented programing and familiarity with SOLID principles. Implementing Unit Tests

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We are proud to offer a range of incentives to our employees worldwide. These benefits are available to everyone, regardless of grade, and reflect the values we stand for:

Flexibility: Enjoy unlimited vacation, subject to local regulations and business priorities. Benefit from hybrid working arrangements and inclusive policies such as paid time off for voting, bereavement, and sick leave.

Well‑being: Access confidential one‑to‑one support through our Employee Assistance Program, connect with our network of Wellbeing Champions and Gather Groups, and take part in monthly events and initiatives designed to help you thrive—inside and outside of work.

Health & Financial Security: Medical, life and disability insurance, retirement plans, lifestyle, and other benefits.*

Sustainability: Paid time off for volunteering and donation‑matching opportunities to support causes that matter to you.

Inclusion: Get involved in our inclusion communities, such as Count Me In, Culture@Finastra, Proud@Finastra, Disabilities@Finastra, and Women@Finastra—open to everyone who wants to participate and contribute.

Career Development: Access online learning and accredited courses through our Skills & Career Navigator tool.

Recognition: Take part in our global recognition program, Finastra Celebrates, and share your voice through regular employee surveys that help shape our culture and ways of working.

*Specific benefits may vary by location.

At Finastra, each individual is unique—bringing their own ideas, perspectives, cultural backgrounds, and experiences. We learn from one another, value what makes us different, and create an environment where everyone feels included, supported, and able to be their authentic selves.

Be unique. Be exceptional. Help us make a difference at Finastra.

Applicants for this position need to be located in posted location or their immediate surrounding areas. Due to the requirements of this position, this job posting is not available for, and Finastra will not be considering any applicants who currently reside in New York City or California.

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