Senior Software Engineer

Cross River; Fort Lee (NJ); On-site; USD 160,000 - 200,000; Full time

Job summary

A financial technology company based in Fort Lee is seeking a highly skilled Senior Software Engineer with at least 8 years of experience in developing enterprise-grade applications. Candidates should possess strong expertise in C# and SQL, with a solid foundation in Docker and cloud architecture, ideally within AWS. The role requires designing and delivering scalable software solutions, working collaboratively in a fast-paced environment. This position offers a competitive salary ranging from $160,000 to $200,000 per year.

Qualifications

• 8+ years of experience developing enterprise systems in C#.
• 6+ years of experience with SQL, preferably PostgreSQL or SQL Server.
• Strong communication skills.

Responsibilities

• Design, develop, and deliver scalable software modules and components.
• Build backend systems using .NET 10, PostgreSQL, SQL Server, RabbitMQ, Docker, and AWS.
• Plan, triage, and prioritize work across multiple priorities.

Skills

C#

SQL

Docker

Cloud Architecture

RabbitMQ

Communication Skills

Domain Driven Design

Education

None specified

Tools

PostgreSQL

SQL Server

nHibernate

Entity Framework

Job description

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 8 years of hands‑on experience developing robust, scalable applications. 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, PostgreSQL, SQL Server, RabbitMQ, Docker and AWS
• Plan, triage, and prioritize work across multiple priorities

Qualifications

• 8+ years of experience developing enterprise systems in C#
• 6+ years of experience with SQL, preferably PostgreSQL or SQL Server
• 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
• Crypto 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

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.