Senior Backend Engineer

Senior Backend Engineer - Python, FastAPI and PostgreSQL CentraPrime Technologies | Building CENTRAL ROLE AT A GLANCE • One full-time opening; 3–5 years of relevant professional backend engineering experience. • Annual CTC: ₹8–12 lakh, based on demonstrated skills and relevant experience. • Work from our Chennai office, six days a week. This is an on-site role. • Office: 2nd Floor, Anand Seethakathi Business Centre, Anna Salai, Chennai. • Preferred joining: within 15–30 days of accepting an offer. ABOUT CENTRAPRIME CentraPrime Technologies is building CENTRAL, a mobile fitness and wellbeing app. You will join our initial engineering team and take hands-on ownership of backend architecture and reliability. Company website: https://centraprimetechnologies.com/ WHAT YOU WILL OWN • Design and maintain Python/FastAPI APIs and PostgreSQL schemas, queries and migrations. • Make workout logging and data syncing reliable through idempotency, retries and duplicate prevention. • Build and operate subscriptions, payment integrations, webhooks and background jobs. • Implement authentication, permissions, secure coding and data protection. • Diagnose production failures using logs and monitoring; improve performance and prevent repeat incidents. • Make practical architecture decisions for growing traffic and maintainable services, working with product and cloud engineers. ESSENTIAL EXPERIENCE • At least 3 years of professional backend engineering, with personal ownership of a live service used by real users. • Strong hands-on Python, FastAPI, PostgreSQL and API design skills. • Experience with subscriptions/payments, background processing, third-party integrations and reliable data syncing. • Experience diagnosing production incidents and improving database or API performance under real workloads. • Ability to explain your individual contribution, technical trade-offs and measurable outcomes. • Availability for full-time, on-site work in Chennai six days a week. WHAT TO INCLUDE WITH YOUR APPLICATION Apply through LinkedIn and attach your resume. Include a short production-project summary in your resume or an attached document covering: 1. A live product or backend you personally built or operated, with a public link if available. 2. Your exact ownership, stack, time in production and approximate users, request volume or workload. 3. One production incident you resolved: cause, your fix and how you prevented recurrence. 4. Your notice period, expected annual CTC and willingness to work on-site in Chennai. Public GitHub or technical writing is welcome but not required. Redacted examples and approximate ranges are acceptable; never share confidential code, credentials or user data. Coursework and personal projects alone do not meet this role's production-experience requirement. SELECTION PROCESS Resume and production-evidence review, followed by a technical discussion on duplicate logs, failed syncs, PostgreSQL performance, payment reliability and traffic spikes, then a final role-fit discussion. We assess demonstrated engineering judgement and ownership. Recruitment enquiries: careers@centraprimetechnologies.com Show more Show less