Top Backend Jobs in Kolkata

Design, build, and operate Go-based backend services for GitLab's Data Insights Platform and Siphon. Implement scalable ingestion, replication, storage, and query-serving (ClickHouse), integrate gRPC with the Rails app, ensure production readiness across SaaS/Dedicated/Self-Managed environments, debug distributed systems, and collaborate across teams to maintain reliability and observability.

Build and maintain a unified analytics data collection platform (Golang, Kubernetes, ClickHouse, NATS). Improve event emission, transit, and data quality, support billing instrumentation, handle incidents, and collaborate cross-functionally to drive adoption and reliable downstream data.

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.

As a Senior Backend Engineer, you will design backend features for supply chain security, implement policies, and manage integrations, focusing on security and performance in a collaborative environment.

As a Staff Backend Engineer, you'll design backend architecture for AI governance, ensuring auditability and compliance, while collaborating with engineering teams to enhance product capabilities.

The Staff Backend Engineer will lead the architecture and development of backend systems for enhancing GitLab's Software Supply Chain Security, focusing on security, performance, and compliance.

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

As a Senior Backend Engineer, you will design and develop a Continuous Deployment engine, focusing on distributed systems in Go, while mentoring others and collaborating across teams.

Design, build, and own microservice-based backend services using Java and Spring Boot. Build REST APIs, implement event-driven systems, integrate message brokers, design MySQL schemas, optimize performance, collaborate across teams, and maintain scalable, highly available backend services.

Design, build, and maintain the core backend API platform, integrate with insurance carriers and partners, develop reusable enterprise features, improve system stability and scalability, conduct code reviews, and collaborate cross-functionally to support rapid product growth.

Design, develop, integrate, and optimize SAP backend solutions across S/4HANA and SAP BTP. Implement RICEF objects, CDS views, AMDP, OData, and RAP; handle integrations (IDoc, RFC, BAPI), performance tuning, debugging, and ATC. Follow clean-core, upgrade-safe extension principles and support OData/UI issue debugging.

Design, build, and maintain backend APIs, integrations, and agentic automation workflows. Drive team-scoped projects, ship reliable scalable production systems, mentor engineers, participate in code reviews, and improve platform quality through verification loops and observability.

Join a cross-functional engineering team to build backend APIs, tools, and integrations using Elixir/Phoenix and Postgres. Lead large projects, propose and operationalize agentic/automation workflows, ensure reliable CI/CD deployments, mentor engineers, participate in code reviews, and improve platform observability, performance, and security. Work fully remotely and contribute to product and cross-team initiatives.

The Senior Back-End Developer builds and maintains server-side operations for cloud solutions, collaborating with teams to deliver software, support users, and document features.

As a Backend Software Engineer, you will design and implement server-side logic, integrate front-end elements, write scalable code, and collaborate with QA to optimize and maintain web applications.

Design, build, and maintain scalable backend applications and APIs using Node.js, TypeScript, and Postgres. Architect systems for high performance and scalability, implement third-party integrations, develop internal tools for fulfillment and ML initiatives, collaborate cross-functionally, and ensure security, documentation, and testing while using cloud, containerization, and AI coding tools.

Design, build, and maintain backend services and APIs on GCP to deploy EXLdata.ai agents. Integrate agents with client data systems and metadata platforms, ensure data governance, lineage, quality, and pipeline reliability, collaborate with solution architects and AI/ML engineers, drive adoption of AI-assisted stewardship workflows, and participate in Agile delivery.

Seeking a skilled Backend Developer to build efficient systems using ExpressJS and manage PostgreSQL databases. Responsibilities include API development, database optimization, and team collaboration.

Build and maintain backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk. Design reliable, secure, observable systems for real customer transactions, integrate with partners and AI services, ensure data integrity and incident handling, and collaborate with product and frontend teams to launch and improve financial products at scale.

Design, build, and scale backend systems for the Made Card platform, focusing on system design, database optimization, API delivery, and performance reliability while mentoring junior engineers.

As a Backend Engineer, you will develop and maintain high-quality code, collaborate with teams on various applications, ensure product integrity, and enhance system performance while embracing a culture of innovation and fun.

Design, develop, and maintain scalable, high-performance .NET Core 8+ back-end applications and microservices. Build secure RESTful APIs, implement async patterns, EF Core data access, authentication/authorization, message-driven integrations (RabbitMQ), and CI/CD deployments. Ensure code quality via unit tests, TDD/BDD, logging, and code reviews. Troubleshoot production issues, participate in architecture discussions, collaborate with cross-functional teams, and produce technical documentation.

The Staff Backend Engineer - Platform will design and implement APIs and core components while managing scalability, automations, and payment systems, contributing to the efficient operation of SigNoz's observability platform.

The Sr Backend Engineer will design and implement APIs, services, and core backend components in Go, focusing on billing tech, automations, and performance at petabyte-scale while ensuring high usability in a remote-first culture.

Design, develop, test, and maintain scalable server-side systems using Java Spring Boot. Diagnose performance and scalability issues, produce documentation, implement automated tests and CI/CD, collaborate with cross-functional agile teams, perform code reviews, mentor peers, and translate business requirements into technical solutions.