Top Software Engineer Jobs in Kolkata

Develops, tests, implements, and maintains software applications and frameworks across multiple platforms. Leads application design, feature delivery, system upgrades, migrations, testing, troubleshooting, documentation, and process improvements. Provides Level 3 support, recommends architecture and security improvements, ensures code quality, collaborates with QA and technology partners, and mentors less experienced engineers.

Owns technical direction for backend services and high-throughput content-processing pipelines. Designs scalable production systems, evaluates AI/ML integrations, leads cross-team architecture initiatives, and drives systems from requirements through operations. Responsibilities include monitoring reliability, troubleshooting production issues, mentoring engineers, leading RFCs and architectural reviews, and raising engineering standards through technical leadership.

Lead design and development of the H1 Knowledge Graph and Search platform. Own feature lifecycle, evolve search/graph systems, optimize performance and scalability, maintain data pipelines, ensure data quality and security, mentor engineers, and drive architecture and integration patterns.

Lead hands-on modernization of a live Vue and PHP application by converting legacy jQuery pages into accessible, responsive Vue components. Establish front-end architecture, component standards, CSS and state-management patterns, performance practices, testing, and code-review quality. Collaborate with product and UX teams, integrate RESTful APIs, resolve UI bottlenecks, and use AI-assisted development tools to accelerate delivery and navigate legacy code.

Design, develop, test, review, maintain, and support software applications and components. Own features, define component architecture, contribute to product architecture, use test-driven development, and collaborate with clients post-sale on implementations. The role requires hands-on Java and SQL development, database experience, teamwork, independent execution, and the ability to learn emerging technologies.

Participate in developing and maintaining core products, documenting business interfaces, troubleshooting issues identified by QA, and supporting customer-service teams with problem resolution and system improvements. The role requires Java development, Spring microservices, database and middleware knowledge, strong communication, teamwork, and learning ability. Experience with Web3 projects is preferred.

Participate in developing and maintaining core products, compiling business-module interface documentation, troubleshooting issues identified by QA, and helping Customer Support resolve and categorize customer problems. The role is part of a 3–6 month early-career accelerator internship focused on blockchain and digital assets. Candidates should have strong Java, Spring microservices, database, middleware, communication, teamwork, and problem-solving skills.

Design, build, and maintain scalable Workato integrations and custom connectors. Architect automation frameworks, integrate AI/LLM services, build ETL/ELT pipelines, and ensure governance, reliability, and performance across enterprise integrations. Collaborate with business and engineering teams, manage deployments, troubleshoot production issues, and mentor stakeholders.

Develop and enhance CisionOne’s media intelligence platform using Ruby on Rails and VueJS. Responsibilities include designing software and data structures, evaluating APIs and services, writing and reviewing code, creating automated tests, deploying to staging and production, collaborating with stakeholders, monitoring systems, and troubleshooting performance or feature issues. The role also involves responsible use of AI-assisted development tools and may include DevOps work with Kubernetes and Elasticsearch.

Build and scale HighLevel’s Labs platform for feature flags, staged rollouts, experimentation, and customer feedback. Develop reliable backend services, APIs, frontend workflows, data models, caching, and distributed systems using modern technologies. Own complex features from design through production, contribute to architecture and technical decisions, implement observability and testing, support incident resolution, and collaborate with product, design, and engineering teams. The role also involves AI-assisted development, production support, code reviews, and mentoring.

Develop and maintain backend services for Insurance Services, extract property attributes using regular expressions and large language models, and collaborate with engineers, product managers, and data scientists. Responsibilities include writing tested code, participating in reviews, working with microservices and cloud infrastructure, completing defined tasks, and communicating progress. The role requires SQL, JVM or Scala experience, exposure to data science, containerization, event-driven systems, cloud platforms, and CI/CD.

Develop and maintain backend services for Porch’s insurance platform. Collaborate with engineers, product managers, and data scientists to extract property attributes using regular expressions, large language models, and related techniques. Write clean, tested code, participate in reviews, work with microservices and cloud infrastructure, and complete defined engineering tasks. The role requires knowledge of SQL, JVM languages, preferably Scala, data science concepts, and property or home-inspection domains.

Design and build distributed systems for a high-performance CI/CD execution platform. Responsibilities include orchestrating Supabase Branch lifecycle operations, provisioning ephemeral sandboxed environments on AWS, scheduling concurrent builds, optimizing pipelines through caching and artifact reuse, handling retries and failures, instrumenting observability, and developing configuration and infrastructure integrations. The role requires strong Go and TypeScript skills, cloud infrastructure experience, and a production operations mindset.

Develop scalable backend services and APIs, create coding tasks and deterministic verifiers for AI systems, debug complex codebases, optimize performance, refactor legacy systems, implement features, and provide technical reviews and reasoning. The role is remote, contract-based, and part-time at 15–20 hours per week.

Design, develop, test, debug, and support software solutions across modern and legacy technologies. Collaborate on requirements, code reviews, pair programming, security, risk mitigation, and delivery estimates. Improve engineering processes and product quality while contributing to AI-assisted development, innovation, and continuous professional growth. The role operates independently on well-scoped tasks and supports less experienced team members.

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.

Design, develop, and modernize enterprise Sitecore content management platforms. Build scalable Sitecore solutions, headless integrations, APIs, and digital architectures while optimizing performance, reliability, security, and compliance. Collaborate with product, design, DevOps, and marketing teams to deliver integrated web experiences. Troubleshoot complex platform issues, enforce engineering standards, and mentor mid-level developers in an agile environment.

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.

Build and deliver full-stack features for agency management, onboarding, and billing systems. Develop scalable APIs, microservices, integrations, data models, queries, and modern frontend workflows. Own features through planning, implementation, testing, deployment, monitoring, and production support. Collaborate with product, design, and engineering teams; troubleshoot issues using observability tools; contribute to code reviews, incident resolution, security, reliability, and AI-assisted development practices.

Build, test, and maintain backend and/or frontend features for a cloud-native SaaS platform. Develop and consume REST APIs, write well-tested maintainable code, participate in design and code reviews, troubleshoot production issues, and collaborate with product, design, and QA. Learn and apply AI-assisted development and cloud-native practices.

Develop and maintain scalable, multi-process Python software for IT monitoring. Responsibilities include refining requirements, implementing features in Python, PHP, and MySQL, troubleshooting performance issues, writing unit tests, reviewing code, demonstrating functionality, and contributing to reliable, high-performance systems. The role also involves working with Product Management and applying CI/CD, DevOps, Agile, and software lifecycle practices.

The role involves building and scaling the Acceldata Open Data Platform, focusing on observability, coding, debugging, and collaborating with teams and the open-source community.

Build and productionize distributed data infrastructure for Onehouse’s managed lakehouse platform. Responsibilities include developing Apache Hudi transactional capabilities, concurrency control, indexing, metadata and data-access systems, and optimization algorithms for distributed processing on Kubernetes. The role involves analyzing complex data, prototyping performance improvements, collaborating with engineers, and safely deploying solutions. Candidates should bring strong object-oriented programming, distributed systems, algorithm, and relational database expertise.

Develop and maintain AI-assisted development capabilities for the Eclipse-based SmarTest semiconductor testing environment. Integrate and optimize GitHub Copilot, resolve Eclipse and integration defects, implement customer-specific features, and perform testing and quality assurance. Translate customer requirements into technical solutions, provide technical assistance, evaluate changes in AI and Eclipse technologies, and collaborate with Microsoft, Advantest teams, and external partners to improve developer productivity and user experience.

Web developer/designer role building custom WordPress/CMS sites and eCommerce solutions. Work spans front-end and back-end technologies (PHP, Java, .NET, JavaScript, HTML5, AngularJS, MS SQL) and includes SEO/SMO. Strong English communication required. Open to freshers and experienced candidates. On-site in Kolkata with performance incentives and rotational offs.