Top Backend Jobs in Kolkata

Design, develop, and maintain scalable server-side services and APIs. Manage SQL/NoSQL databases, write tests, debug and optimize performance, document systems, and collaborate with frontend, product, and DevOps teams.

Design, implement, and maintain Java-based backend services and microservices. Build RESTful APIs, integrate third-party services, design database schemas for SQL and NoSQL, optimize system performance, implement monitoring and security best practices, and collaborate in Agile teams while mentoring junior developers.

Design, develop, and maintain server-side logic, databases, and RESTful APIs/microservices. Collaborate with front-end and product teams, ensure security, perform code reviews, troubleshoot issues, and participate across the software development lifecycle.

Design, build, and maintain secure, scalable .NET backend APIs and middleware to integrate the Zeta platform. Implement cloud-native solutions on Azure (APIM, Functions, Logic Apps), ensure API security (OAuth2/JWT), work with SQL/NoSQL data stores, troubleshoot production issues, and participate in Agile delivery.

Design, build, and maintain high-performance Spring Boot REST APIs and microservices. Integrate and optimize Snowflake data sources, implement security (OAuth2/JWT/Spring Security), deploy containerized services with Docker/Kubernetes, and support CI/CD and testing in an Agile environment.

Develop and maintain high-performance backend services using Java and Spring Boot. Build RESTful APIs, integrate with front-end and third-party systems, collaborate with cross-functional teams, participate in code reviews, troubleshoot production issues, and improve CI/CD, performance, and development processes.

Design, develop, and maintain Java-based backend services using Spring frameworks and Kafka. Build scalable RESTful APIs, work with MySQL/MongoDB, containerize with Docker, deploy on Kubernetes, and follow CI/CD and Agile practices while collaborating in a team.

Backend developer role building and maintaining Java-based services using Spring, REST, and JPA. Work includes Oracle PL/SQL, messaging (ActiveMQ), caching (Redis), SOAP/WSDL, FileNet integration, CI/CD and automation (Jenkins, Ansible), containerization (Docker, Kubernetes), API gateway (Gravitee), Linux scripting, and collaborating with front-end frameworks (Angular/Vue).

Develop backend systems in C/C++ using pointers, function pointers, Pro*C with Oracle, STL and Boost. Implement multithreading, thread synchronization, design patterns (e.g., factory), dynamic casting, socket/TCP/IP programming, and architecture design. Java and AI knowledge are nice-to-have.

Backend Java developer responsible for designing, building, testing, and maintaining RESTful microservices and APIs using Spring Boot/WebFlux, Kafka, Docker, and Kubernetes. Work includes API design, CI/CD, unit and integration testing, and integrating event-driven systems and Sterling OMS.

Build and maintain Java/Spring Boot microservices for a Notification Hub, handling Pub/Sub consumers, Avro schema processing, webhook ingestion, vendor adapters, integrations with internal systems, and resilience features like retries, DLQs, and circuit breakers.

Design, configure, and support backend software and APIs; manage configuration files and environments; test and document API endpoints; collaborate on system data flow; participate in large-scale live data migrations (billions of records) into FinCloud; produce documentation and troubleshooting guides; work in agile teams and support integration and observability efforts.

Design, build, and maintain backend services using Java and Spring Boot. Implement and consume APIs and microservices, work with Kafka for messaging, collaborate with front-end teams, and use Docker/Kubernetes for deployment. Work with RDBMS and NoSQL databases in an Agile environment.

Design, build, and maintain scalable Java backend services and APIs (Spring Boot). Collaborate with cross-functional teams, optimize performance, ensure security, troubleshoot issues, integrate third-party services, and maintain documentation.

Design, implement, and maintain scalable Java backend services and APIs using Spring Boot. Collaborate with cross-functional teams, optimize performance, ensure security, integrate third-party services, write testable code, and maintain documentation.

Design, build, and maintain scalable Java Spring Boot microservices on GCP; develop RESTful APIs, implement CI/CD, optimize performance, ensure security, monitor production, and collaborate with cross-functional teams.

Design and build Java/Spring Boot microservices for a Notification Hub: routing, preference sync, webhook ingestion, Pub/Sub consumers, Avro schema processing, vendor adapter/API integrations, resilience, and operational troubleshooting.

Design, build, and maintain Java backend microservices using Spring Boot and JPA. Optimize SQL/PostgreSQL queries and stored procedures. Implement CI/CD pipelines, write unit/integration tests, and collaborate in English-speaking agile teams.

Design and implement backend services for a Notification Hub: routing, preference sync, webhook ingestion, vendor adapters, Pub/Sub consumers, Avro processing, API integrations, resilience, and operational troubleshooting.

Design, build, and maintain scalable backend services and RESTful APIs using Java and Spring Boot. Implement event-driven architectures with Kafka, manage data in PostgreSQL/Redis, ensure performance and resilience, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams for releases.

The Senior Backend Engineer will design and implement scalable backend systems, manage microservices architecture, databases, and CI/CD pipelines, while mentoring junior engineers.

The Senior Backend Engineer will design and develop features for Access Security, focusing on APIs and Microservices, while collaborating with cross-functional teams.

The Software Engineer will plan, design, and execute SOA backend platforms, focusing on Java development and DevOps on AWS. Responsibilities include defect tracking, maintaining performance, and collaborating within a multi-disciplinary team.

The Staff Backend Engineer will own the Economic Core of Voyagu's Radar platform, focusing on financial systems architecture and ensuring revenue correctness and financial logic implementation across the system.

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.