Top Backend Jobs in Kolkata

Develop and maintain back-end web applications, ensuring efficient integration with front-end systems, optimizing performance, and collaborating with QA for testing.

Design, build, and maintain scalable backend services and APIs; optimize performance and data pipelines; architect and manage AWS infrastructure; document systems; ensure code quality through reviews; deploy containerized microservices and implement infrastructure-as-code and monitoring/alerting for production systems.

Design and implement complex backend services for Binance Square. Collaborate with product, DevOps, and QA to deliver high-quality microservices, promote engineering best practices, and perform code reviews.

Design, build, and maintain backend systems for card issuing and lifecycle management. Lead technical design for card certification and onboarding (Visa, MasterCard, Apple/Google Pay), ensure scalability, reliability, and compliance, define service boundaries and integrations, and implement high-throughput payment infrastructure while collaborating with product, compliance, and engineering teams.

Build and maintain high-throughput distributed KYC services: translate business requirements into reliable services, write tests and docs, perform performance tuning and incident troubleshooting, collaborate across teams, and mentor junior engineers while following engineering best practices.

Design, build, and scale cloud-native Python backend services and data-backed applications. Develop RESTful APIs, microservices, and asynchronous event-driven systems. Deploy and operate production workloads on Kubernetes and at least one public cloud (AWS or Azure). Work with cloud data warehouses (Snowflake or Databricks) and relational databases, ensuring scalable, reliable distributed systems.

Design, build, and maintain scalable backend services and microservices using Go and Python; develop REST/gRPC APIs; integrate databases and cloud services; write tests, perform code reviews, debug production issues, and collaborate cross-functionally.

The Backend Engineer will implement new SDK and Indexer features, automate testing, support integration, and oversee production releases.

The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.

Build and scale SigNoz's alerting features and integrations. Design and implement APIs and backend services in Go, ensure reliability for thousands of alerts, and drive end-to-end delivery while collaborating in a remote, high-ownership team.

As a Senior Backend Engineer, you will implement ERP data connectors, upgrade backend APIs, maintain data storage, and ensure service stability. You'll collaborate with global teams to enhance data architecture and govern data integrity while utilizing technologies like Go or Python and cloud infrastructures.

As a Backend Engineer, you will tackle complex backend application challenges, develop systems, ensure quality, and innovate collaboratively.

Develop high-quality applications by designing and implementing scalable code, maintain existing software, and debug programming issues.

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

As a Senior Backend Engineer at Socure, you will design, develop, and maintain scalable software solutions while leading technical efforts and mentoring junior engineers.

Build and optimize core backend systems enabling user features, real-time data synchronization (event-driven/CDC), advanced caching and connection pooling, and improved observability. Drive architectural and infrastructure upgrades, own deployment and scaling strategies, contribute to open-source, and raise backend engineering standards across the platform.

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.

The backend developer will build backend software focusing on reliable APIs, ensure high-quality output, and collaborate with teams.

Design, develop, and maintain scalable backend systems, ensuring performance, security, and scalability while collaborating with team members and optimizing code quality.

Back-end Developer role at a digital services firm (Chennai). Posting provides no specific responsibilities; typically involves building server-side systems, APIs, and collaborating with product and front-end teams.

Design, build, and operate AEM (Cloud Service) solutions: develop Sling/HTL components, implement dispatcher and caching strategies, model content/JCR structures, enable headless REST APIs, and deliver Java backend services (OSGi, servlets) with logging and automated tests.

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.

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.

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.