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Software Development Engineer - III, Java

Software Development Engineer - III, Java

Onsurity
Early Applicant
  • Posted 11 hours ago
  • Be among the first 10 applicants

Job Description

Location: Bengaluru

Level: SDE III, individual contributor

Experience: 6+ years

Stack: Java, Spring Boot, Node.js, React, Kafka, Kubernetes, AWS

About the Role

We're hiring a small number of senior engineers who can take a business problem and deliver a shipped, running system. You'll own a domain end to end (claims, wallet, subscriptions, provider network, or payments), including its design, release, failures, cost, and long-term maintainability. Java and Spring Boot are the core, but you'll also write Node services, ship React screens, and run your own Kubernetes deployments and Kafka consumers.

What You'll Do

  • Own the high-level and low-level design of your domain, and get both reviewed before building
  • Build and maintain Java services and stable APIs that other teams depend on
  • Get money and health data right: correct, traceable, and safe to retry
  • Run your services in production, with dashboards, alerts, and on-call ownership
  • Debug hard, intermittent issues and fix root causes
  • Set technical direction, review code, and mentor other engineers
  • Use AI tools (Copilot, Claude, ChatGPT) daily, while reading and owning every line you ship

What We're Looking For

Must have

  • 6+ years of professional development, mostly in Java (8+, ideally 17+) and Spring Boot
  • Production Node.js and working React
  • System design experience, both HLD and LLD
  • Kafka or similar event-driven systems in production
  • Kubernetes and containers
  • SQL (MySQL/PostgreSQL) and MongoDB, including query tuning
  • Observability set up by you (Prometheus, Grafana, Sentry, ELK)
  • Extensive daily AI use in your workflow
  • Prior experience as owner and on-call for a system you built

Nice to have

  • Led a multi-team project or measurably improved a system's reliability, latency, or cost
  • Run an incident end to end and written the postmortem
  • Mentoring experience
  • TypeScript, React Native, or LLM API experience
  • Payments/fintech or health insurance domain exposure
  • Experience with regulated or sensitive data

How We Work

High ownership, self-driven, fast with tests, and direct and low-ego. We'll assess coding, HLD, LLD, debugging, an ownership deep-dive, and collaboration.

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