Top Software Engineer Jobs in Kolkata

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Junior Software Engineer role at a web design company building custom WordPress/CMS and eCommerce sites. Candidates will work with PHP, Java/.NET stacks, JavaScript, HTML5, AngularJS, mobile (Android), databases (MS SQL), and SEO/SMO tasks. Open to freshers and experienced applicants; excellent English communication expected.

Design, develop, and maintain cloud-native microservices in Java; deploy containerized applications on AWS EKS; work with Aurora/PostgreSQL, Redis; troubleshoot production issues; contribute to architecture and CI/CD.

Lead React Native feature development and migrate JS to TypeScript. Build offline-first capabilities, integrate native iOS/Android modules, use Expo/EAS for CI/CD, design GraphQL data flows, work with Redux/RTK, review code, mentor juniors, and collaborate with cross-functional teams to deliver high-quality mobile experiences.

Lead backend engineer for Conversational AI LLM platform and Copilot products. Design and implement high‑volume, low‑latency distributed services, debug production issues, participate in on‑call rotations, mentor engineers, and drive operational excellence and system architecture.

Design, build, and lead delivery of scalable cloud-native SaaS features across frontend and backend. Mentor engineers, troubleshoot complex issues, collaborate cross-functionally, adopt AI-driven tools, ensure observability and operational excellence, and drive continuous improvement.

Join an agile Scrum team to design, develop, test, and deliver Windows desktop and distributed enterprise software. Mentor junior engineers, write unit/integration tests, collaborate with product owners, estimate work, and use Azure DevOps. Continuously expand technical and domain knowledge while supporting QA and project planning.

Design, develop, and maintain scalable backend services and REST APIs using Java and Spring Boot. Own end-to-end implementations, troubleshoot production issues, optimize databases and performance, enforce security and testing best practices, collaborate with cross-functional teams, and drive system reliability and scalability.

Design, develop, and optimize SQL Server databases and ETL processes; troubleshoot and tune queries; ensure high availability, backups, deployments, and enforce database standards and documentation while collaborating with application and infrastructure teams.

Optimize and tune complex T-SQL queries, troubleshoot blocking/deadlocks and IO bottlenecks, analyze execution plans, implement indexing/partitioning, maintain HA/DR (Always On, clustering, replication), monitor database health and automation, and collaborate with developers on schema and query design.

As a Backend Engineer, design and maintain APIs and services, develop new features collaboratively, and ensure high engineering standards in a remote team environment.

Lead architecture and delivery of Confluent Platform features (notably Unified Stream Manager) for hybrid/on‑prem/cloud deployments. Drive design, code, reviews, and reliability for large-scale distributed systems, mentor senior engineers, collaborate cross-org, handle high-severity production incidents, and shape long-term platform roadmap.

Build and scale core platform systems for a global eSIM consumer product. Own end-to-end features, optimize API performance, caching, data access, observability, and event pipelines. Create internal tooling and AI-assisted engineering workflows to improve developer velocity, reliability, and performance across global markets.

Lead design and delivery of complex software systems, drive architectural decisions, create reusable frameworks, mentor engineers, collaborate cross-functionally, own critical projects, and improve development processes and tooling.

Lead migration of legacy data pipelines to a modern Java 25 batch processing service. Design, implement, test, and maintain Spring Batch solutions; optimize SQL/PostgreSQL performance; collaborate on supply chain planning algorithms; contribute to CI/CD and cloud-native deployments; monitor and troubleshoot production; use JUnit for tests and AI-assisted engineering tools to improve productivity.

The Senior Salesforce Developer at Komodo Health will design and develop Salesforce applications, oversee integrations, mentor junior staff, and ensure high-quality cloud services aligned with industry standards.

The Senior Software Engineer will build and manage Postgres capabilities within ClickHouse, focusing on backend services, automation, API development, and collaboration with various teams to enhance operational excellence.

The role involves designing and implementing CRM solutions using Dynamics 365 and Power Platform, developing custom entities/forms/workflows, and providing mentorship to junior developers.

Lead technical direction of backend systems, mentor developers, design scalable architectures, ensure code quality, and align with cross-functional teams.

As a Principal Software Developer, you will develop web applications, understand project requirements, collaborate with teams, debug, and document processes, while staying updated on .NET technologies.

The role involves owning AI-powered product features, designing LLM systems, making architecture decisions, and connecting engineering work to business outcomes, with a focus on independent ownership and domain understanding.

Senior Software Engineers at SingleStore develop and optimize the database engine, handling high-performance workloads and ensuring robust system software delivery. Responsibilities include coding, testing, debugging, and collaborating with multiple teams.

The role involves leading software development projects, optimizing backend performance, and mentoring junior developers while ensuring system design and quality.

As a Software Development Engineer III, you will design and evolve backend services, optimize data models, build APIs, integrate front-end solutions, and ensure system scalability while mentoring junior engineers.

The role involves owning the CRM Bulk Import product, designing and building a robust import pipeline, integrating various CRM APIs, and ensuring high performance and reliability in data imports.