Software Development Engineer - III, Java

Onsurity · Bengaluru

  • Experience6–7 yrs
  • SalaryNot disclosed
  • Work modeonsite
  • Levelsenior
  • Posted21 Sept 2026
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About Onsurity

Onsurity is hiring in Bengaluru in insurance. This role looks for around 6+ years of experience.

Skills

  • Java
  • Spring Boot
  • Node.js
  • React
  • Kafka
  • Kubernetes
  • Amazon Web Services
  • System Design
  • SQL
  • MySQL
  • PostgreSQL
  • MongoDB
  • Prometheus
  • Grafana
  • Sentry
  • ELK
  • Artificial Intelligence

The role

A backend developer at a health insurance product company designs and operates Java, Spring Boot, and Kafka systems for claims, payments, and other sensitive data domains, while also delivering Node.js services and Kubernetes deployments. The role applies system design, observability, and production ownership to reliable, traceable services.

Full job description

Location: Bengaluru Level: SDE III, individual contributor Experience: 6+ years Stack: Java, Spring Boot, Node.js, React, Kafka, Kubernetes, AWS

About the RoleWe'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 DoOwn the high-level and low-level design of your domain, and get both reviewed before buildingBuild and maintain Java services and stable APIs that other teams depend onGet money and health data right: correct, traceable, and safe to retryRun your services in production, with dashboards, alerts, and on-call ownershipDebug hard, intermittent issues and fix root causesSet technical direction, review code, and mentor other engineersUse AI tools (Copilot, Claude, ChatGPT) daily, while reading and owning every line you ship

What We're Looking ForMust have6+ years of professional development, mostly in Java (8+, ideally 17+) and Spring BootProduction Node.js and working ReactSystem design experience, both HLD and LLDKafka or similar event-driven systems in productionKubernetes and containersSQL (MySQL/PostgreSQL) and MongoDB, including query tuningObservability set up by you (Prometheus, Grafana, Sentry, ELK)Extensive daily AI use in your workflowPrior experience as owner and on-call for a system you builtNice to haveLed a multi-team project or measurably improved a system's reliability, latency, or costRun an incident end to end and written the postmortemMentoring experienceTypeScript, React Native, or LLM API experiencePayments/fintech or health insurance domain exposureExperience with regulated or sensitive data

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