Top Backend Jobs in Mumbai

Design, develop, and maintain scalable backend services, APIs, microservices, and distributed systems. Build secure data models, integrate internal and external systems, optimize application performance, and troubleshoot production issues. Collaborate with product, frontend, and DevOps teams; contribute to architecture and technical strategy; uphold engineering standards through code reviews and testing; and mentor junior engineers.

Architect and operate a globally distributed identity and access management platform using Go and SpiceDB. Own authentication, fine-grained authorization, identity lifecycle services, SSO, SCIM provisioning, machine-to-machine security, SDKs, gRPC contracts, audit logging, observability, migrations, and reliability. As a founding India team member, establish technical standards and operational culture while collaborating asynchronously with US-based engineers.

Build and maintain backend integrations between internal applications and external platforms. Design reusable integration frameworks, SDKs, and microservices; automate workflows; monitor reliability; troubleshoot issues; and ensure secure authentication and data consistency. Collaborate with product and AI teams to deliver scalable integrations using APIs, asynchronous data flows, webhooks, and message queues. Work independently from concept through production while supporting fast delivery and strong documentation.

Design, build, and harden backend APIs and microservices using Python and FastAPI. Develop event-driven services with Azure (Functions, Event Grid, Service Bus, Blob Storage, Cosmos DB, Key Vault). Implement secure API and service-to-service access (Microsoft Entra ID, OAuth2/JWT, managed identities, RBAC). Containerize, deploy, and operate services with Docker and CI/CD. Ensure observability, performance tuning, and cross-team collaboration for high-volume document-processing workflows.

Design, build, and maintain Java Spring-based microservices for scalable, secure financial systems. Implement REST APIs, event-driven processing (Kafka), containerized deployments (Docker/Kubernetes), CI/CD, observability, and code quality practices while collaborating in agile teams and leveraging AI-assisted tools.

Lead backend engineering and architecture for cloud-native, microservices-based fintech platforms. Define API standards, security frameworks, and integration patterns. Provide technical leadership across authentication, authorization, data protection, code quality, testing, and CI/CD. Drive performance, scalability, and architectural improvements while overseeing delivery and best practices.

Design and lead scalable, high-performance backend systems for capital markets using Java, Spring Boot, microservices, and event-driven patterns. Drive DDD, define architecture standards, optimize for low latency/high throughput, collaborate with product and DevOps teams, support production, and lead technical governance and code reviews.

Design, develop, and optimize complex PL/SQL/SQL scripts and Core Java backend services. Build and maintain RESTful APIs, tune Oracle databases for performance, review and modernize legacy code, and collaborate with product and cross-functional teams to translate requirements into scalable, secure solutions.

Lead backend architecture and engineering: design scalable APIs and services, mentor engineers, write complex code, enforce best practices for databases, testing, observability, and integrate ML/LLM workloads.

Build, own, and improve production-grade input/output connectors for data lakes, streaming systems, and databases. Implement robust CDC ingestion, work with table and serialization formats, ensure correctness, fault-tolerance, and high performance, and troubleshoot distributed system issues in customer environments.

Build and own Feldera's control plane and Kubernetes layer: design APIs and services for deploying and managing data pipelines, harden enterprise features (authentication, SSO, multi-tenancy, compliance), ensure reliability/observability, and troubleshoot complex distributed-systems issues across self-hosted and cloud environments.

Design, develop, and maintain scalable backend services; implement secure APIs; optimize system performance and reliability; collaborate with cross-functional teams.

Design, develop, and optimize Oracle-based databases and PL/SQL; build and maintain Core Java backend services and RESTful APIs; lead requirements gathering; tune performance and ensure scalable RDBMS architectures; review and modernize legacy SQL and Java code.

Maintain and enhance Node.js/TypeScript backend services for a SaaS platform, ensuring uptime, scalability, and high-performance APIs. Optimize MongoDB, implement Redis and job queues, manage AWS infrastructure, enforce security and compliance (GDPR, email handling), document APIs, write tests, and debug production issues.

Design, build and maintain scalable backend APIs and systems. Work with MVC frameworks (Rails, Django, Node.js), databases (Postgres, MySQL, MongoDB, Elasticsearch, Redis). Implement proprietary algorithms (rating, allocation), follow testing, code review and monitoring practices, and own features end-to-end on Linux environments.

Build and maintain backend systems and APIs, implement new features, collaborate with front-end/mobile teams, diagnose and fix scaling and reliability issues, and build internal tools to support operations and user management. Work with relational and NoSQL databases and contribute to distributed-system design and performance improvements.

Design and implement production GenAI solutions with a focus on RAG and Azure serverless platforms. Build backend APIs, scalable data pipelines for indexing/embedding/retrieval, deploy serverless Azure services, implement CI/CD and IaC, and enforce security, governance, and compliance while collaborating with cross-functional teams.

Lead design and hands-on development of high-volume, low-latency, microservices-based backend systems. Guide senior engineers, define architecture, optimize performance and data stores, deploy on cloud platforms, translate product needs into technical designs, and drive large-scale Agile projects.

Design and implement backend game engine and RNG systems for slots and table games. Build deterministic, auditable, high-concurrency real-time gameplay systems, manage bet lifecycle, integrate wallets/transactions, optimize performance, and develop simulation/test systems for RTP validation while collaborating with frontend and game client teams.

Design, develop, and maintain highly scalable microservices and backends (Java/Spring) for millions of users. Collaborate with product owners, perform code reviews, respond to production incidents, mentor junior engineers, participate in team ceremonies, and potentially share on-call duties.

Develop end-to-end product features across frontend and backend, integrate AI coding tools into daily workflow, mentor peers, improve cross-team efficiency, and contribute across the full product lifecycle from design to deployment.

Build and maintain production backend services and APIs to serve sports intelligence products and model outputs; design API contracts, ensure scalability and performance, integrate with data platforms and model serving layers, implement monitoring/observability, and write well-tested code while contributing to architecture and operational handover.

The Senior Backend Engineer will design and develop enterprise Java applications, implement RESTful APIs, mentor junior developers, and ensure technical quality and standards.

Design and build scalable backend systems and AI-powered solutions (LLMs, RAG, retrieval, agents). Own projects end-to-end, optimize performance, drive AI engineering standards, mentor engineers, and integrate AI with enterprise systems.

As a Senior Back End Developer, you'll design and optimize scalable software back-end systems for web and mobile applications, collaborating with various teams to enhance platform reliability and performance.