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OSB Group - Technical Lead - Backend Architecture

OSB India
12 - 18 Years
Bangalore

Posted on: 20/07/2026

Job Description

About the role :

Were hiring a hands-on Tech Lead (Backend) to join the Lending platform. Youll be the technical owner for backend microservices designing and building resilient, secure, and observable services, guiding architectural decisions and collaborating across product, front-end, and cloud teams. This role combines development, architecture, mentoring and delivery leadership.

What youll do :

- Lead design and development of backend microservices (Spring Boot) that power lending flows and integrations.

- Own service architecture, APIs, contract definitions (OpenAPI/Swagger) and versioning strategy.

- Design and implement secure authentication & authorization patterns (OAuth2, JWT, mTLS, SAML, etc.).

- Build and operate services on Kubernetes : deployments, config/secret management (e.g. K8s Secrets, HashiCorp Vault), horizontal scaling and health checks.

- Define CI/CD pipelines, automated testing, and release strategies for safe, repeatable delivery.

- Collaborate with front-end and product teams to define APIs, SLAs, and integration contracts.

- Work with cloud infrastructure and platform teams on load balancing, network design, observability, incident response and cost-conscious architecture.

- Integrate and secure third-party services (payment providers, fraud engines, ID providers, document services).

- Coach and mentor engineers; lead technical design reviews and runbooks; evangelise best practices.

- Evaluate and propose AI/ML-assisted solutions where they add value (e.g., document analysis, automation, assistive features).

Must-have skills & experience :

- Strong Java/Spring Boot experience (production microservices). Comfortable with JDK 17 or later.

- Deep understanding of microservices architecture patterns : service discovery, circuit breakers, retries, idempotency, sagas/transactions.

- Practical experience deploying and operating services on Kubernetes (Helm, kustomize or similar).

- Experience with secrets/config management (K8s Secrets, Vault, SOPS, Parameter Store).

- Solid knowledge of authentication & security (OAuth2/OIDC, JWT, TLS, secure API design).

- Experience designing and publishing OpenAPI/Swagger contracts and working with contract-first approaches.

- Familiar with CI/CD tooling and pipelines (Jenkins/GitHub Actions/GitLab CI/ArgoCD etc).

- Good understanding of cloud components (load balancers, VPC/subnetting, managed services, observability stacks).

- Experience integrating with third-party APIs and handling production-grade reliability.

- Strong communication skills and the ability to translate technical trade-offs to stakeholders.

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