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Senior Software Engineer – Backend

Senior Software Engineer – Backend

On site

Cary, United states

$ 70 /hour

Senior

Freelance

11-11-2025

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Skills

Communication Java Go CI/CD Docker Kubernetes AWS CI/CD Pipelines

Job Specifications

Senior Software Engineer (Backend – Contractor, API Gateway)

About The Role

We’re seeking a Senior Backend Engineer to help design and build the backbone of our platform’s data communication. You’ll own services that power robust, high-performance API gateways enabling secure, reliable, and efficient data exchange between client applications and backend services. Your work will directly impact scalability, performance, and security across the platform.

What You’ll Do

Own and contribute code across multiple backend services and codebases.
Design, build, and optimize API gateway components and supporting services for high-throughput, low-latency traffic.
Ensure resilience and high availability through fault-tolerant architectures, caching, and graceful degradation patterns.
Collaborate with cross-functional teams to gather requirements, define solutions, and champion API and backend best practices.
Conduct code reviews, improve engineering standards, tooling, and processes.
Stay current on industry trends and recommend improvements to the tech stack and workflows.

What We’re Looking For

5+ years of professional backend engineering experience building scalable, high-performance systems.
Strong proficiency with Java and its ecosystem. Go experience is a plus.
Hands-on experience with cloud technologies (preferably AWS).
Proven collaboration and communication skills working with cross-functional partners.
User-focused mindset with a pragmatic, solutions-oriented approach.

Nice to Have (Optional)

Experience with API gateway patterns, service meshes, and observability (metrics, tracing, logging).
Familiarity with containerization/orchestration (Docker/Kubernetes) and CI/CD pipelines.
Knowledge of data streaming, caching, and distributed systems fundamentals.

Contract Details

Type: Contract
Location: Remote (U.S.)
Hours: Full-time
Duration: 12 Months

Company confidential. This description summarizes key responsibilities and qualifications and may evolve with team needs.

About the Company

Associate Staffing is a professional staffing firm providing top technology and financial talent to Fortune 500, 1000, and mid-market firms nationwide. Based in Charlotte, North Carolina with regional headquarters in Des Moines, Iowa, and Denver, Colorado, our firm was recently recognized by Charlotte Business Journal as one of the area's 50 fastest-growing private companies. Associate Staffing clients see an acceptance rate of over 90%, ensuring no surprises at the offer stage. That's because we don't just mass-distribute ... Know more