Senior Software Engineer

Responsibilities

Design, develop, and deliver scalable software modules and components for the Lending team, building backend systems with .NET, Python, databases, messaging tools, Docker, and AWS. Plan, triage, and prioritize work while contributing to robust, enterprise-grade software solutions.

Requirements

Requires at least 6 years of experience developing enterprise systems in C# or Python and at least 4 years working with SQL, preferably PostgreSQL or SQL Server. Candidates should have experience with an ORM, cloud architecture, and strong communication skills; knowledge of Domain-Driven Design, distributed and event-driven systems, RabbitMQ, and financial services is beneficial.

Skills

• C#
• Python
• .NET 10
• PostgreSQL
• SQL Server
• MongoDB
• RabbitMQ
• Docker
• AWS
• Object-Oriented Programming
• SOLID Principles
• Domain-Driven Design
• Distributed Systems
• Event-Driven Architecture
• Entity Framework
• NHibernate

About this role

Who We Are
Cross River builds the infrastructure behind the world’s most innovative financial products. Our technology and capital solutions power payments, cards, lending, and digital asset capabilities that move money safely, instantly, and inclusively — trusted by leading fintechs, enterprises, and disruptors across the globe.
Our mission is simple: to build the financial infrastructure that expands access and opportunity for all. Guided by a culture of collaboration, curiosity, and purpose, Cross River has been named one of American Banker’s Best Places to Work in Fintech year after year. Whether you’re designing code, solving regulatory puzzles, or developing strategy, you’ll join a team where innovation and integrity drive everything we do — and where your work helps shape the future of finance.
What We're Looking For
We are seeking a highly skilled and motivated Senior Software Engineer with 6+ years of hands-on experience developing robust, scalable applications to join our Lending team. The ideal candidate brings expertise in designing and implementing enterprise-grade software solutions, with a strong foundation in object-oriented programming, SOLID principles and modern software design patterns. We're looking for someone who takes ownership of their work and thrives in a collaborative, fast-paced environment.
Responsibilities:
Design, develop, and deliver scalable software modules and components
Build backend systems using .NET 10, Python, PostgreSQL, SQL Server, MongoDB, RabbitMQ, Docker and AWS
Plan, triage, and prioritize work
Qualifications:
6+ years of experience developing enterprise systems in C# or Python
4+ years of experience with SQL, preferably PostgreSQL or SQL Server. Experience with NoSQL databases is a plus
nHibernate / Entity Framework
Strong communication skills
Experience or understanding of Domain Driven Design
Cloud Architecture - preferably AWS
Docker / Containers
Financial industry / accounting experience or understanding is helpful, but not required
Experience designing and developing distributed systems and event driven architecture is preferred. Ideally with understanding or exposure to:
MassTransit or NServiceBus
RabbitMQ
Idempotency
#LI-AL1 #LI-Remote
Salary Range: $160,000.00 - $200,000.00
Cross River is an Equal Opportunity Employer. Cross River does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need.
By submitting your application, you give Cross River permission to email, call, or text you using the contact details provided. We will only contact you with job related information.

About Cross River

Financial Services · 501-1,000 employees · headquartered in Fort Lee, New Jersey · founded 2008