About OnebyZero

OneByZero is a Frontier Systems Integrator building agentic AI systems for leading banks, telecommunications companies, insurers, and retailers across Asia Pacific. We work on high-impact problems for institutions operating the financial and digital infrastructure of the region.

We operate exclusively on AWS and leverage partnership programmes that provide co-sell reach, funded innovation opportunities, and delivery credibility across multiple markets. We value individuals who are technically strong, delivery-focused, cooperative, and committed to solving complex engineering challenges.

About the Role

The Software Development Engineer II (SDE II) is a mid-level engineer who owns features and components end-to-end within OBZ delivery engagements.

The SDE II designs, builds, and operates production software and services that power enterprise AI systems in regulated environments, working closely with senior engineers, architects, and delivery teams.

This role requires solid hands-on engineering capability and the ability to deliver reliably with limited supervision.





At OBZ, all engineers are expected to use AI tools effectively in their daily work. AI assistants and workflow automation tools are expected to improve engineering productivity, testing, debugging, documentation, and delivery execution.

What You'll Do & The Impact You'll Have
- Design, build, and operate production-grade services, APIs, and integrations end-to-end.
- Own delivery of well-defined components, from design through testing, deployment, and monitoring.
- Build backend systems in Python (FastAPI or similar) and contribute to React-based interfaces and streaming APIs.
- Deploy and manage workloads on AWS services such as ECS, EKS, Lambda, API Gateway, and CloudWatch.
- Implement CI/CD pipelines, automated testing, infrastructure automation, and observability tooling.
- Define and execute testing strategies including unit, integration, and regression testing.
- Contribute t

📌 Software Development Engineer II (Bengaluru)
🏢 OneByZero
📍 Bengaluru