Top Backend Jobs in Kolkata

Reposted 3 Days AgoSaved
In-Office
Kolkata, WB
Expert/Leader
Expert/Leader
Cloud • Information Technology • Internet of Things • Machine Learning • Software • Cybersecurity • Infrastructure as a Service (IaaS)
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.
Top Skills: AngularApache KafkaDockerGitGitlabHelmJavaJavaScriptKubernetesMicroservicesReactRestSpring BootTypescript
Reposted 5 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
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.
Top Skills: CGitGitalyGoLinux
Reposted 9 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
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.
Top Skills: GoGraphQLPostgresRedisRestRuby On Rails
Reposted 9 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
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.
Top Skills: ClickhouseGraphQLPostgresPythonRest ApisRuby On Rails
Reposted 9 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
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.
Top Skills: Ci/CdContainer OrchestrationDockerGoRuby On RailsSigstore
Reposted 11 Days AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Cloud • Information Technology • Productivity • Software • Automation
The Principal Engineer will develop systems and software, mentor other engineers, resolve customer issues, and guide the software development process.
Top Skills: AWSConfluenceGraphQLJavaJIRAMySQLNoSQLPostgresRestRpcSoapWsdl
Reposted 11 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
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.
Top Skills: Ai EngineeringDockerGitopsGoKubernetesRuby On Rails
Reposted 4 Days AgoSaved
In-Office
Kolkata, WB
Senior level
Senior level
Fintech • Payments • Financial Services
Seeking a skilled Backend Developer to build efficient systems using ExpressJS and manage PostgreSQL databases. Responsibilities include API development, database optimization, and team collaboration.
Top Skills: AWSAzureDockerExpressjsGCPGitKubernetesNode.jsPostgres
Reposted 4 Days AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
Artificial Intelligence • Fintech • Software • Financial Services
As a Backend Engineer, you will develop and maintain core backend infrastructure, build integrations, and work closely with frontend engineers to enhance user experience.
Top Skills: AWSNode.jsPostgresPythonTypescript
10 Days AgoSaved
In-Office or Remote
Kolkata, WB
Mid level
Mid level
Artificial Intelligence • Logistics
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.
Top Skills: Amazon Web Services (Aws)Ci/CdClaudeCursorDockerElasticsearchFlaskGitGithub CopilotMachine LearningPythonRestful ApisSpark
Reposted 3 Hours AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
AdTech • Marketing Tech
Maintain and improve backend services for a SaaS platform using Node.js/TypeScript. Ensure API uptime, scalability, and performance; optimize MongoDB and caching; implement Redis-based job queues; manage AWS infrastructure; enforce security and compliance; maintain API docs and tests; and troubleshoot production incidents.
Top Skills: Aws CloudwatchAws Ec2Aws LambdaAws S3Aws SesBullmqDockerExpress.JsGithub ActionsGrafanaJestJwtMochaMongoDBMongooseNestjsNode.jsOauth2OpenapiPinoPrismaPrometheusRabbitMQRedisSwaggerTypescriptVitestWinston
Reposted YesterdaySaved
Remote
Kolkata, WB
Mid level
Mid level
Artificial Intelligence • Big Data • Information Technology • Consulting
As a Backend Developer, you will design and run applications through the software development lifecycle, requiring strong coding and problem-solving skills. Must have expertise in Golang, Python or Node JS, and experience in cloud deployments and RDBMS.
Top Skills: AjaxAli CloudAWSAzureDockerGoGCPIbm CloudJavaScriptJqueryKubernetesMs Sql ServerMySQLNode JsOraclePostgresPythonRdbms
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Reposted YesterdaySaved
Remote
Kolkata, WB
Junior
Junior
Agency • HR Tech • Information Technology • Professional Services
Looking for Front-to-Back end developers for a hybrid cloud SaaS platform, primarily using NodeJs, ReactJs, and REST API development in a Linux environment.
Top Skills: ExpressjsGatsbyJavaScriptMongoDBMongooseNode.jsReactRedisRest ApiWebpack
Reposted YesterdaySaved
Remote
Kolkata, WB
Junior
Junior
Artificial Intelligence • HR Tech • Professional Services • Software
Work on backend engineering tasks: design and implement scalable REST APIs and database schemas, write clean Node.js code, build tests and caching, collaborate in architecture and code reviews, document changes, and provide technical support across teams within a fintech-focused product.
Top Skills: Aws S3Aws SnsAws SqsExpress.JsMemcachedMicroservicesMongoDBMySQLNode.jsRedisRest Apis
Reposted YesterdaySaved
Remote
Kolkata, WB
Senior level
Senior level
Artificial Intelligence • HR Tech • Professional Services • Software
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.
Top Skills: Distributed SystemsDockerFirebaseGitGitflowGithub ActionsGitlab CiJava (Jdk 11+)JenkinsJunitKafkaKubernetesMicroservicesMockitoMySQLPostgresRabbitMQRedisRestful ApisSpring BootSpring Data JpaSpring FrameworkSpring MvcSpring SecuritySwagger/OpenapiTestng
Reposted YesterdaySaved
In-Office or Remote
Kolkata, WB
Senior level
Senior level
Information Technology • Internet of Things
Lead backend architecture and build scalable, high-concurrency services and APIs (Node.js) powering web and mobile. Own components end-to-end, manage CI/CD and infrastructure (IaC, containers, cloud), improve reliability, and collaborate with PM/design to deliver core features like live interactions and checkout.
Top Skills: AWSCi/CdClaude CodeCodexCSSCursorDockerGCPHTMLInfrastructure As CodeJavaScriptKubernetesNode.jsReact
Reposted 2 Days AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Artificial Intelligence • Fintech • Machine Learning • Software • Financial Services
As a Backend Engineer, design and maintain APIs and services, develop new features collaboratively, and ensure high engineering standards in a remote team environment.
Top Skills: Apache BeamBigQueryBigtableGcp DataflowGoJavaNode.jsPostgresPostgresPythonReactRubyTerraformTypescript
Reposted 2 Days AgoSaved
In-Office or Remote
Kolkata, WB
Mid level
Mid level
HR Tech
The role involves back-end development using .NET Core and SQL, contributing to Jibble 2.0 API integrations, and collaborating with product and design teams.
Top Skills: .Net CoreAWSC#ConfluenceEf Core 5FigmaJIRAOpenapiPostgresRabbitMQSlackSQLTypescriptVue
Reposted 2 Days AgoSaved
In-Office or Remote
Kolkata, WB
Senior level
Senior level
Machine Learning • Other
The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.
Top Skills: AWSCi/CdDockerPostgresPostgresql/PostgisPythonTerraform
Reposted 2 Days AgoSaved
Remote
Kolkata, WB
Junior
Junior
Information Technology • Security • Cybersecurity
The role involves designing, developing, and maintaining backend services for an Identity Security Platform, collaborating with cross-functional teams, and optimizing performance and security.
Top Skills: AWSAzureDockerGoGoogle Cloud PlatformIam ServicesJavaKubernetesMicroservicesNoSQLRestful ApisSQL
Reposted 3 Days AgoSaved
In-Office or Remote
Kolkata, WB
Senior level
Senior level
Artificial Intelligence • Software
As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.
Top Skills: AWSAzureDockerGCPWebrtcWebsocket
4 Days AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
Cloud • Information Technology
Build and maintain scalable cloud-native backend applications using .NET and Java/Python. Collaborate with cross-functional teams, apply TDD and unit testing, set up CI/CD pipelines, use Git for version control, and deploy on Azure/GCP/AWS while working with SQL Server and Entity Framework.
Top Skills: .Net.Net 5AWSAzureC#Ci/CdCommon Language Runtime (Clr)Entity FrameworkGitGitGitlabGoogle Cloud PlatformJavaMicrosoft Sql ServerPythonTddUnit Testing Frameworks
Reposted 4 Days AgoSaved
Remote or Hybrid
Kolkata, WB
Senior level
Senior level
Information Technology • Mobile • Consulting
As a Backend Staff Engineer, you will lead technical standards, mentor junior developers, manage dependencies, and oversee feature development in the Last Mile Delivery domain. Responsibilities include conducting design reviews, participating in architecture discussions, and improving engineering processes while fostering team growth.
Top Skills: GitGoNode.js
Reposted 4 Days AgoSaved
Remote or Hybrid
Kolkata, WB
Expert/Leader
Expert/Leader
Information Technology • Mobile • Consulting
As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.
Top Skills: A/B TestingGitJavaScriptNode.jsReact
Reposted 4 Days AgoSaved
Remote or Hybrid
Kolkata, WB
Senior level
Senior level
Information Technology • Mobile • Consulting
Lead backend architecture and development for Last Mile Delivery: design, build, and maintain features, drive technical roadmap, mentor engineers, conduct reviews and interviews, and improve engineering standards and tooling.
Top Skills: A/B TestingGitGoNode.jsUnit Testing
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