Top Backend Jobs in Kolkata

The Software Architect will lead solution design and development of backend services, APIs, and cloud-native platforms, focusing on Java and Spring Boot, while ensuring architecture consistency and performance optimization.

As a Staff Backend Engineer, you'll design backend architecture for AI governance, ensuring auditability and compliance, while collaborating with engineering teams to enhance product capabilities.

As a Senior Backend Engineer, you will design backend features for supply chain security, implement policies, and manage integrations, focusing on security and performance in a collaborative environment.

The Staff Backend Engineer will lead the architecture and development of backend systems for enhancing GitLab's Software Supply Chain Security, focusing on security, performance, and compliance.

The Principal Engineer will develop systems and software, mentor other engineers, resolve customer issues, and guide the software development process.

As a Senior Backend Engineer, you will design and develop a Continuous Deployment engine, focusing on distributed systems in Go, while mentoring others and collaborating across teams.

As an Intermediate Backend Engineer, you will design and maintain a Go-based instrumentation service, ensuring data quality and aiding product teams in feature instrumentation.

Design, build, and maintain backend APIs and services for a real-time supply chain visibility platform. Own system architecture, real-time event ingestion, data normalization, ML integration, monitoring, and production debugging while collaborating with Product and Data Science to deliver scalable, high-availability features.

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.

As a Senior Back End Developer, you'll design and optimize scalable software back-end systems for web and mobile applications, collaborating with various teams to enhance platform reliability and performance.

Design, develop, and maintain scalable backend services; implement secure APIs; optimize system performance and reliability; collaborate with cross-functional teams.

The Backend Engineer II will build scalable backend services with Java, optimize database queries, and architect data pipelines, collaborating with teams to enhance product operations through data analysis and insights.

As a Backend Engineer at Trust Wallet, you'll develop backend features for multiple platforms, maintain infrastructure, ensure system monitoring, and foster team growth.

As a Staff Backend Engineer, you will architect scalable backend systems, develop Golang code, lead technical initiatives, and mentor engineers in a fast-paced environment.

Design and build high-performance Java microservices and data pipelines to parse, transform, and analyze multi-chain on-chain data in real time. Integrate with Kafka, Redis, RDS, and data lake systems; optimize low-latency computation for token prices, swaps, liquidity metrics; ensure fault tolerance, observability, and alignment with long-term data platform strategy.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Design, build, and improve DApps and smart contracts; optimize backend services for multi-chain scalability and reliability; perform code reviews and testing; enforce blockchain security best practices; collaborate with frontend, product, and stakeholders; stay current with blockchain technologies and platform improvements.

Design, build, and maintain scalable, high-concurrency backend systems for a decentralized wallet. Develop distributed services, optimize JVM/multi-threading performance, integrate APIs and messaging systems, collaborate on architecture, and explore AI/LLM solutions.

Design and build core backend modules for a high-volume P2P marketplace, including order matching, escrow, dispute resolution, and merchant management. Develop high-concurrency transaction processing, seller/buyer workflows, payment integrations, and ensure reliability, idempotency, and consistency across transactions. Participate in architecture design, code reviews, and cross-team collaboration.

Design, build, and maintain backend payment systems (wallets, gateways, merchant management). Implement open APIs, tune performance, troubleshoot incidents, and collaborate with product and cross‑team stakeholders.

Design, build, and maintain bank and card payment integrations and high-availability, high-concurrency payment processing modules (routing, clearing, reconciliation, settlement). Collaborate with product, risk, and compliance, participate in code reviews and system design, and optimize system performance and scalability.

Design and implement high-throughput distributed services for KYC onboarding. Convert business requirements into services, tune performance, troubleshoot incidents, write tests and technical documentation, collaborate cross-team, and mentor junior engineers.

Early-career backend engineer in the KYC Technology Team building and improving Binance's global KYC platform: define APIs, troubleshoot QA issues, assist customer support, integrate compliance vendors, and apply scalable microservice solutions.

Design and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.

Design and implement backend systems for a user-facing AI chat product. Collaborate with product, DevOps, and QA; drive best practices, conduct code reviews, and deliver high-quality microservices using cloud infrastructure and message brokers.