Top Backend Jobs in Delhi

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.

The Principal Engineer will develop systems and software, mentor other engineers, resolve customer issues, and guide the software development process.

Design and implement scalable backend services, lead full software lifecycle, write design docs, mentor engineers, collaborate cross-functionally, improve performance and quality, and integrate AI tools to boost development productivity.

Lead design and development of high-performance Java/Spring Boot backend systems and microservices. Drive API design, database integration (JPA/Hibernate), Kafka messaging, caching, security (auth0/Spring Security), CI/CD, testing, code reviews, and mentor the engineering team to deliver scalable, secure solutions.

Design, develop, and maintain high-performance Java backend applications using Spring Boot and reactive stacks. Build microservices and REST/GraphQL APIs, implement security (OAuth2/Spring Security), integrate databases and messaging, apply design patterns, write tests, perform code reviews, and collaborate with cross-functional teams to deliver scalable solutions.

Design, build, and maintain backend APIs and services for a real-time supply chain visibility platform. Own system architecture, real-time event ingestion, data normalization, ML integration, monitoring, and production debugging while collaborating with Product and Data Science to deliver scalable, high-availability features.

Design, build, and maintain large-scale web and mobile backend systems using Node.js, NestJS, PHP (Laravel) and AWS. Work with relational databases, caching, and search systems (MySQL, Redis, ElasticSearch). Collaborate with engineers, manage projects with tools like JIRA/Trello/Slack, and focus on code quality, performance, and user experience.

Design and develop features for Jitterbit's iPaaS and APIM platform, ensuring reliability and performance in a remote-first culture.

Design, implement, and maintain backend services for a multi-tenant iPaaS/APIM platform. Own features from design through deployment, ensure scalability, reliability, and performance in a 24x7 environment, mentor engineers, and work with distributed teams across cloud, microservices, and DevOps tooling.

Lead a backend Core Engineering team to deliver and modernize Vena's core platform. Provide technical leadership, hands-on engineering, system design, risk mitigation, mentoring, roadmap execution, and champion engineering best practices and AI-driven tooling to improve productivity and codebase health.

Build the AI layer for SigNoz: implement agent orchestration, long-running execution, streaming APIs (SSE), and MCP server integrations to expose observability data to LLM agents. Ship production LLM features, design scalable distributed backends in Go and async Python, and drive projects end-to-end in a remote-first environment.

Lead end-to-end QA for Fiat/BigPay: plan tests, design and execute cases across App/Web/Backend/Admin, maintain Python pytest+k6 automation framework, drive feature and edge-case testing, and collaborate cross-functionally to close quality loops.

Own and maintain backend services using .NET and AWS Serverless (Lambda). Build Kafka producers with AVRO/schema registry integration, design DynamoDB schemas, implement REST API integrations, ensure observability, reliability, and performance, and create backfill tooling while collaborating with cross-functional teams.

Architect and modernize Vena’s cloud-native backend platform. Lead design, performance optimization, and complex bug resolution. Mentor engineers, drive major technical initiatives, partner with product/architecture, and adopt AI-driven tooling to improve code quality, performance, and delivery.

Take end-to-end ownership of backend features and SaaS services in a microservices architecture. Design, implement, deploy, and operate scalable, reliable Node.js services. Work with Redis Streams, MongoDB, Kubernetes, and ensure test coverage, performance tuning, and collaboration with cross-functional teams.

Contribute to design, development, and maintenance of real-time risk control and decisioning services. Implement risk rules, scoring models, and feature pipelines for fraud, AML, and account security. Troubleshoot issues, write technical documentation, and collaborate with Risk Operations and CS teams to investigate cases and improve 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.

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.

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.

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 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.