Website Seventh Contact Hiring Solutions
Job Title: Senior Backend Engineer
Years of experience: 3-6 yrs.
Location: Pune
Roles and Responsibilities:
• You will own backend reliability across the full product. This role requires strong context-switching, product thinking, and the ability to work across multiple domains.
• Shipping a healthy mix of features, audits, and bug fixes – from quick 30-minute fixes to multi-day changes across multiple services.
• Owning at least one production issue end-to-end: diagnosing the issue, writing a failing test, shipping the fix, and documenting the postmortem.
• Running API audits by identifying slow, flaky, or incorrect endpoints, creating a clear checklist of findings, and either fixing them or handing them off cleanly.
• Testing features with high precision, as if there is no QA team.
• Pushing back when a requirement or specification does not make sense.
• Working agentically with AI tools to improve speed, quality, and engineering output. Expertise in Using AI agents to explore, refactor, and ship code.
• Reviewing AI-generated code with the same rigour as a junior engineer’s PR. Catching subtle abstraction or logic mistakes introduced by AI.
Must have skills:
• 3-6 years of experience building production backends with Node.js + TypeScript.
• Strong experience with Express.js or NestJS.
• Deep understanding of MongoDB and MySQL, including schema design, indexes, query plans, denormalisation decisions, and performance tuning.
• AWS fluency, including at least ECS, SQS, Lambda, CloudWatch, and S3.
Good to have:
• Experience with New Relic, Datadog, or Grafana.
• Ability to build dashboards, write queries, and create alerts based on real signals.
• Experience with Razorpay or any Indian payments stack such as Cashfree, PayU, or Stripe India.
• E-mandate or NACH experience.
• Python experience for data jobs, fixtures, automation, or scripting.
• React.js experience for small admin tools or internal dashboards.
• Open-source contributions, side projects, custom AI tools, or technical writing, or technical writing
To apply for this job please visit in.linkedin.com.