Top Software Engineer Jobs in Kolkata

As a Senior Software Engineer, you will design and build high-performance backend services, ensuring operational readiness and improving processes for a data streaming platform.

Lead technical initiatives to enhance Yahoo Mail's consumer platform, focusing on high-performance web applications using modern technology stacks, while collaborating with diverse teams to achieve product excellence.

As a Senior Software Engineer, you'll develop core features for MetricFlow, enhance query generation, integrate it within the dbt ecosystem, and mentor others.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Design and build high-throughput reconciliation systems and data pipelines. Implement real-time (Flink) and batch (Hive) workflows, write complex SQL for validation and anomaly detection, collaborate with Finance/Risk/Product on reconciliation rules, optimize for low latency, and leverage AI/LLM tooling to automate triage and improve operations.

Lead design and implementation of scalable, high-performance backend services for traditional and AI-powered search. Own search architecture, optimize indexing/retrieval/ranking, build reusable frameworks, collaborate with data scientists on LLM-enabled search and agents, and deliver robust, low-latency solutions.

Develop and maintain Java-based microservices using Spring/Spring Boot and REST APIs. Build/debug cloud-native services on AWS (S3, Lambda, RDS), use Hibernate, collaborate in Agile teams, and manage code with Git and Jira.

Design, develop, and maintain Java Spring Boot back-end and Angular front-end applications; build and consume APIs; write SQL for Oracle/MS SQL; deploy to AWS/Azure; implement secure development practices, DevOps automation and CI/CD; collaborate with remote international teams.

Senior software engineer responsible for developing cloud-based solutions using AWS services (S3, Lambda, RDS, DMS, Kinesis, EC2), Python scripting, and SQL/Oracle PL/SQL. Role requires strong debugging and analytical skills and working knowledge of Agile methodologies. Nice-to-have experience includes CloudFormation, Glue, Step Functions, data migration, microservices, ETL tools, and Java REST web services.

Lead STIBO STEP PIM application work (Item, Location, Vendor portals) including configuration, custom development, integrations, business rules, workflows, performance testing, upgrades, and production support while ensuring security and scalable solutions.

Design, develop and maintain scalable Java Spring Boot backends and responsive Angular UIs. Write optimized SQL, deploy to cloud platforms (AWS/Azure/GCP), ensure code quality, performance and security, troubleshoot issues, and collaborate with cross-functional teams. Support test automation, CI/CD, and microservices practices as needed.

Develop and maintain backend and frontend components using Java 17+, Spring Boot 3+, and Angular 14+. Build and consume REST APIs, work with Oracle SQL databases, and communicate effectively with team members and stakeholders.

Lead architecture, design, and delivery of scalable applications using Vue.js, Node.js, and Java. Provide technical leadership, enforce coding standards, implement test automation (Jest, Playwright), perform performance optimizations, mentor engineers, and collaborate with global/onshore teams to drive features from development through production.

Design and implement scalable backend services with Java and Spring Boot, build responsive Angular front-ends, develop and maintain microservices and REST APIs, collaborate with cross-functional teams, ensure code quality through reviews and testing, and troubleshoot production issues.

Lead development of iOS apps using Swift/SwiftUI, concurrency (Async/Await, Combine), and Xcode. Mentor teammates, design with MVVM/Clean/VIPER, ensure accessibility, write XCTest/XCUITest, build/distribute iOS frameworks with SPM/CocoaPods, and manage networking, performance, memory, security, and App Store releases via automated toolchains like Jenkins.

Design and build performant Android applications using Kotlin, Jetpack Compose, Coroutines, and Retrofit. Apply modern development practices (Trunk-Based Development, TDD), multi-module architecture, feature toggles, and clean MVVM/MVP patterns. Advocate loosely coupled designs with repositories and use cases. Knowledge of mobile trends and KMM is a plus.

Design and implement front- and middle-tier web applications for healthcare customers. Build enterprise-grade, MVC and micro front-end applications and integrate with microservice architectures. Apply TDD, DevOps practices, CI/CD, containerization, and cloud/serverless solutions. Mentor peers, work in Agile/Scrum, and focus on secure, performant, resilient web and API design.

Design, build, test, and maintain high-quality iOS applications in Swift. Collaborate with designers and product managers, fix bugs, integrate RESTful APIs, maintain documentation, and apply iOS best practices to improve performance and user experience.

Design, develop, and maintain Java/J2EE web applications and APIs in an Agile environment. Build RESTful/microservice architectures, implement cloud (AWS) solutions, apply DevOps/CI-CD practices, write automated tests, troubleshoot production issues, produce documentation, and mentor junior engineers.

Design, develop, and enhance an iOS-based Point-of-Sale (POS) application suite. Implement features, modify system configurations, write and maintain unit and automated tests, perform testing and debugging, conduct code reviews, participate in requirements and technical design, support deployment, and mentor junior engineers while collaborating with cross-functional teams.

Develop and maintain scalable Angular web applications, collaborate with cross-functional teams to design and deploy features, write clean code, troubleshoot and optimize performance, contribute to backend tasks using Node.js, participate in code reviews, and stay current with industry trends.

Senior Java engineer responsible for middleware development of multithreaded, highly scalable, high-throughput, fault-tolerant systems. Use Core Spring 3.0, Spring Boot, and REST services to build cloud-native applications on AWS. Kafka experience is a plus.

Design, build, test and deploy large-scale AWS cloud-native applications using Java/Spring Boot in containerized microservices. Own secure SDLC, CI/CD pipelines, TDD/BDD, blue-green deployments and feature toggles. Collaborate in agile teams and work with event-driven architectures, Kafka and modern distributed databases.

Design and build Python-based microservices and REST APIs using FastAPI. Deploy and operate services on AWS (EC2, S3, Lambda, RDS) with secure networking (VPC, IAM). Containerize and orchestrate workloads with Kubernetes and manage YAML manifests. Implement data flows with Apache NiFi, build CI/CD pipelines (Jenkins, Git, Kompass), optimize relational DBs with SQL, and deliver features in an Agile environment.

Develop and modernize brokerage platform components using Java/Spring Boot microservices and AWS services. Build REST APIs, collaborate with the Core Brokerage Platform team, and support platform enhancements and integrations.