Senior Backend Engineer

Snapmint is looking for a highly hands-on Senior Backend Engineer (SDE III) who enjoys writing production code while driving the architecture of complex backend systems. This role is suited for engineers who thrive in solving non-trivial technical challenges, designing scalable systems, and building high-performance services that power a rapidly growing fintech platform. You will influence technical direction, mentor engineers, and take ownership of critical backend components.

Responsibilities

• Design and build large-scale backend systems and distributed services.
• Drive architecture decisions that impact multiple engineering teams.
• Write high-quality production code and actively contribute to core backend components.
• Design fault-tolerant, scalable, and high-throughput services.
• Lead system design reviews and enforce engineering best practices.
• Identify technical debt and drive long-term platform improvements.
• Mentor engineers and elevate the overall engineering quality of the team.
• Collaborate with product, infrastructure, and data teams to build a scalable system.

Requirements

• 8-10 years of backend development experience.
• Strong programming expertise in Node.js (preferred) or another modern backend language.
• Experience designing and building large-scale distributed systems.
• Experience building event-driven or asynchronous architectures.
• Strong understanding of data structures, algorithms, and software design principles.
• Experience with SQL and NoSQL databases.
• Experience building systems on cloud infrastructure.
• Strong experience with microservices architecture and API design.

Preferred Qualifications

• Strong knowledge of performance optimisation and scalability patterns.
• Experience designing low-latency or high-throughput services.
• Prior experience in a high-growth product company.
• Contributions to open-source projects are a plus. This job was posted by Parvinder Kaur from Snapmint.