Top Software Engineer Jobs in Kolkata

Design and scale backend systems and frontend interfaces for HighLevel Conversations, focusing on backend API design and Vue 3 UI development while ensuring performance and reliability at scale.

Set technical direction across multiple services and teams; lead cross-cutting initiatives like migrations and modernization; own reliability and performance at scale; raise engineering standards through design docs and reviews; mentor senior engineers and partner with leadership on technical roadmaps.

The Senior/Principal Software Engineer will lead design and development projects for SingleStore's cloud platform, focusing on distributed systems, cloud infrastructure, and database technology, while mentoring engineers and ensuring solutions meet enterprise customer needs.

Design, develop, and maintain high-quality .NET software (C#) with strong OOP and threading. Work with REST/gRPC, microservices, pub/sub, caching, Windows apps (WinForms), and relational databases. Create and execute unit tests using TDD with MbUnit/NUnit, optimize SQL, and follow SDLC and Agile practices.

Build high-performance backend services and mobile APIs within a microservices architecture. Research and apply technologies to improve reliability, developer experience, and performance. Collaborate on a small mobile backend team; must have production Go experience, solid CS fundamentals, and networking knowledge.

Technical leader who designs, builds, and scales enterprise software across multiple applications. Drives architecture and coding standards, authors tests and documentation, debugs production issues, leads code reviews, mentors engineers, participates in Agile deliveries and on-call rotation, and collaborates with U.S. business partners.

Design, implement, and maintain front-end and APIs for the Customer Experience Platform. Work on security system management, customer account management, camera diagnostics, and Help Center features. Build and maintain web applications and services within a microservices architecture using Node.js/TypeScript, React, AWS, CI/CD, and SQL/NoSQL databases while collaborating in agile teams.

Design, develop, and maintain full‑stack features for SSO using front- and back-end technologies; diagnose production issues; participate in code reviews; collaborate cross-functionally and use AI-assisted tools to accelerate development.

The Staff Software Engineer will set technical direction, design scalable systems, leverage AI tools, and mentor other engineers while driving cross-team initiatives at AlphaSense.

Senior backend-focused engineer responsible for designing and delivering features in Go and React, building scalable distributed architectures, mentoring teammates, coordinating with product and business stakeholders, instrumenting production systems, and leading small teams to ship high-quality APIs and services.

Own full-stack engineering for fellow-facing experiences and internal operator tools. Partner with Growth, Product, Operations, and ML to design scalable systems, automate operational workflows, lead end-to-end projects, reduce technical debt, and mentor engineers while balancing rapid delivery with long-term platform health.

The Senior Software Engineer will design, develop, and support innovative solutions, collaborating with teams, analyzing requirements, and ensuring application performance in an agile environment.

The Senior Software Engineer will architect and develop the Solver network, ensuring performance, collaborating with teams, and leading engineering standards.

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.

Design, develop, and maintain Oracle EBS R12 customizations, interfaces, and integrations; partner with functional leads to translate requirements; perform tuning and troubleshooting; own end-to-end delivery in Agile teams; conduct code reviews and mentor juniors; use AI tools to accelerate SQL/PLSQL and testing.

Lead full‑stack development and technical leadership for CFRA's next‑generation customer‑facing web applications. Mentor the team, design scalable React/TypeScript frontends and Python backends on AWS, collaborate with product stakeholders, follow Agile practices, resolve production issues, and drive continuous improvement.

The Software Development Engineer I will design and implement microservices, improve system performance, and mentor junior engineers. Responsibilities include coding, debugging, and developing features from design to deployment in a remote setting.

Lead architecture and hands-on development for Vena's C#/.NET Excel desktop add-in. Drive feature design, upgrades, performance optimization, complex bug fixes, cross-team collaboration, mentoring, and technical initiatives to improve code and product quality while working on a distributed, remote-first team.

As a Senior Software Engineer, you will design, develop, and deliver software solutions, mentor junior developers, and contribute to architectural decisions.

Seeking a Senior .NET Developer to design and deliver software solutions, mentor teammates, and ensure performance and reliability in applications.

Senior full-stack .NET engineer responsible for designing, developing, and maintaining scalable .NET Core 8+ APIs and React front-ends, integrating MongoDB and relational databases, building microservices, ensuring code quality via tests and reviews, collaborating with cross-functional teams, troubleshooting production issues, and supporting deployments following Agile practices.

Maintain and enhance Oracle-based backend services and ADF/React frontends. Design and optimize SQL, build/consume REST and SOAP APIs, support testing/deployment and incident resolution, work with container concepts (Docker/Kubernetes), collaborate with stakeholders, and document changes following enterprise change management.

Lead the architecture and implementation of a distributed data platform for microscopy, ensuring scalability and high-performance in data management.

As a key member of the Data Infrastructure team, you will develop and optimize software features for Apache Hudi's transactional engine, enhance database performance, and solve complex data processing challenges.

As a Staff Software Engineer (Backend), you will build and enhance features, ensure service ownership, and mentor engineers while managing cloud services and adhering to software development best practices.