Senior Backend Engineer

About the Job

This role is for one of our client companies — a VC-backed B2B Retail startup that has raised $1.5M USD in funding.

What We're Building

CodeRound AI matches the top 5% tech talent with the fastest-growing, VC-funded AI startups across Silicon Valley and India. Top-tier product startups in the US, UK, EU, UAE, and India have hired top engineers through CodeRound.

Senior Backend Engineer (4+ Years of Experience)

We are seeking a Senior Backend Engineer to design, build, and scale the core services powering a fast-growing B2B marketplace. In this role, you will collaborate with cross-functional teams to deliver high-performance APIs and highly reliable system architectures.

• Design, develop, and maintain scalable and reliable backend services and APIs.
• Own backend features from technical design through development, testing, deployment, and monitoring.
• Build systems that support marketplace, commerce, payments, inventory, and other core business workflows.
• Optimize application performance, database queries, and system reliability as the platform scales.
• Develop and maintain integrations with third-party services and external APIs.
• Contribute to architectural decisions and improve backend engineering practices.
• Write clean, maintainable, well-tested, and production-ready code.
• Collaborate with product, frontend, and other engineering teams to deliver end-to-end features.

You're a Great Fit If You:

• 4–5 years of hands-on backend engineering experience.
• Strong proficiency in Python, Node.js, Java, or a similar backend language.
• Strong experience building RESTful APIs and backend services.
• Solid understanding of relational databases such as PostgreSQL/MySQL and database design.
• Experience with cloud platforms, preferably AWS.
• Strong understanding of distributed systems, scalability, performance, and reliability.