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Top Backend Jobs in Kolkata

Reposted 8 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
The Senior Back-End Software Engineer will maintain and modernize the Rails stack, improve internal tools, reduce third-party dependencies, and ensure infrastructure scalability.
Top Skills: MySQLPostgresReactRuby On Rails
Reposted 11 Days AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Cloud • Information Technology • Productivity • Software • Automation
As a Senior Principal Software Engineer, you'll lead backend architecture, mentor teams, and drive Agentic AI implementation while ensuring scalability and reliability.
Top Skills: AnsibleAWSAzureCloudFormationDjangoEksFastapiFlaskGCPJavaKubernetesNoSQLOpensearchPythonSpring BootSQLTerraformVector Databases
13 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Drive architecture and implementation of a scalable onboarding and KYC platform. Own technical roadmaps, write high-quality tested code, mentor engineers, manage project priorities, and collaborate with product, design, and leadership to improve global onboarding conversion.
Top Skills: Golang,Grpc,Mongodb,Service-Oriented Architecture,Blockchain
Reposted 17 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Expert/Leader
Expert/Leader
Artificial Intelligence • Enterprise Web • Information Technology • Productivity • Sales • Software • Database
Lead the technical direction and execution of high-impact initiatives, architect scalable systems, drive engineering practices, mentor engineers, and manage cross-team projects.
Top Skills: Ai ToolsGcp LoggingGoJavaNewrelicPrometheusPythonRuby
Reposted 18 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Information Technology • Productivity • Sales • Software • Database
As a Senior Backend Engineer at Apollo.io, you'll design scalable backend solutions, mentor teammates, and work cross-functionally to enhance product quality and performance.
Top Skills: AIAnsibleDockerElasticsearchKubernetesMongoDBNode.jsReactRedisReduxRubyRuby On RailsTerraform
Reposted 2 Days AgoSaved
Easy Apply
In-Office
Kolkata, WB
Easy Apply
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
22 Days AgoSaved
Remote or Hybrid
Kolkata, WB
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
Design, build, and maintain scalable Java microservices and RESTful APIs for enterprise payment applications. Work with databases, Kafka integrations, cloud deployments, CI/CD, unit testing, and Agile delivery to ensure performance, security, and code quality.
Top Skills: Java,Spring Boot,Spring Framework,Microservices,Rest Apis,Oracle,Postgresql,Sql,Plsql,Kafka,Aws,Azure,Gcp,Junit,Mockito,Jenkins,Bamboo,Git,Ci/Cd
Reposted 25 Days AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
Agency • Digital Media • eCommerce • Professional Services • Software • Analytics • Consulting
As a Backend Developer, you will design and maintain WordPress themes and plugins, optimize performance, lead projects, mentor juniors, and integrate with frontend technologies.
Top Skills: AgileAWSDnsDockerGitGCPKubernetesMySQLPHPRestful ApisWordpressWpengine
Reposted 24 Minutes AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Software
The Senior Software Engineer will lead architectural direction and operational standards, design microservices, ensure service reliability, and mentor engineers.
Top Skills: Elk StackGoJavaMongoDBMySQLNode.jsPostgresRabbitMQRedisSpring Boot
10 Hours AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Information Technology • Consulting
The Back End Developer will design and maintain backend microservices using .NET Core, collaborating with teams to support a real estate product's development and deployment.
Top Skills: .Net CoreAWSAzureC#GitSQL
Reposted 16 Hours AgoSaved
Remote or Hybrid
Kolkata, WB
Senior level
Senior level
Software
Giga seeks a Staff Backend Engineer with strong Python and cloud experience to build AI agents for customer experience. Must have 8+ years in engineering, preferably in startups.
Top Skills: AWSDjangoDockerGCPKubernetesPython
Reposted 16 Hours AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Fintech • Analytics • Financial Services
The Senior Backend Engineer at NIRA will shape infrastructure strategy, expand financial product support, improve credit decision systems, and collaborate with various teams.
Top Skills: .NetAthenaAWSDynamoDBJavaLambda
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Reposted 16 Hours AgoSaved
Remote
Kolkata, WB
Entry level
Entry level
Information Technology
Develop and maintain backend solutions for Machine Learning infrastructure. Collaborate on large scale software design and project management.
Top Skills: CC++GoJavaKubernetesPythonSQL
Reposted 16 Hours AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software • Analytics
The Senior Backend Engineer will design, develop, and maintain software solutions for identity verification, focusing on scalability, security, and high performance, while mentoring junior engineers and collaborating in an agile environment.
Top Skills: Cloud ComputingGoMachine LearningMicroservicesNosql DatabasesRestful Apis
Reposted 16 Hours AgoSaved
Remote
Kolkata, WB
Senior level
Senior level
Information Technology • Internet of Things • Marketing Tech
As a Senior FullStack Engineer, you'll design user management systems for a multi-tenant SaaS platform, focusing on authentication, authorization, and scalable data models while mentoring junior engineers.
Top Skills: Ci/CdClickhouseElasticsearchExpress.JsFirestoreGitGoogle Cloud PlatformGoogle Cloud Pub/SubJavaScriptJwtMongoDBNestjsNode.jsOauth 2.0SQLTypescript
Reposted 16 Hours AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Mid level
Mid level
Software
Design, develop, and maintain applications using Java and Spring Boot; create RESTful APIs; participate in Agile processes and collaborate with cross-functional teams.
Top Skills: AWSAzureGitGoogle Cloud PlatformJavaMongoDBMySQLNoSQLPostgresRestful ApisSpring BootSQL
YesterdaySaved
In-Office or Remote
Kolkata, WB
Senior level
Senior level
HR Tech
Join a remote team to develop APIs and tools, lead projects, and mentor engineers using modern technologies like Elixir and AWS.
Top Skills: AWSDockerElixirGitlabKubernetesNext.JsPhoenixPostgresReact
Reposted YesterdaySaved
Remote
Kolkata, WB
Senior level
Senior level
Software • Database • Analytics
The Senior Backend Developer will design and implement scalable APIs, manage cloud infrastructure, and work within a microservices architecture. Responsibilities include developing microservices, optimizing backend performance, and collaborating with cross-functional teams.
Top Skills: AzureCloud Platforms (AwsDockerGcp)KubernetesNode.jsNoSQLPythonSQL
Reposted YesterdaySaved
Remote
Kolkata, WB
Senior level
Senior level
Database
The role involves developing and improving backend systems, contributing to Apache Druid, and ensuring scalability and performance in a distributed environment.
Top Skills: Apache DruidCassandraClickhouseElasticsearchHadoopJavaKafkaMongoDBMySQLPinotPostgresPrestoSparkZookeeper
Reposted 2 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Senior level
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
The Backend Engineer will design robust APIs and services for financial solutions, mentor peers, and collaborate across engineering teams, focusing on scalability and functionality.
Top Skills: Ci/CdGitGitGoJavaMongoDBMySQLNode.jsPostgresPythonRestful ApisTypescript
Reposted 2 Days AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
Financial Services
Design and maintain backend systems including APIs and payment integrations, collaborate with cross-functional teams, improve system reliability, and manage technical challenges.
Top Skills: APIsBackendDatabases
Reposted 2 Days AgoSaved
Easy Apply
Remote
Kolkata, WB
Easy Apply
Mid level
Mid level
Artificial Intelligence
Design, develop, and maintain scalable backend systems, ensuring performance, security, and scalability while collaborating with team members and optimizing code quality.
Top Skills: Api DesignCloud InfrastructureDatabase ManagementRuby On Rails
Reposted 2 Days AgoSaved
Remote
Kolkata, WB
Entry level
Entry level
Sports
Join Sporty Group as a Backend Engineer to contribute to the world's leading online gaming brand, helping to build innovative platforms for entertainment.
Reposted 2 Days AgoSaved
Remote
Kolkata, WB
Mid level
Mid level
Artificial Intelligence • Machine Learning • Software • Analytics
As a Backend Engineer at Socure, you'll design, develop, and deploy software solutions, ensuring scalability, security, and high quality while mentoring junior engineers and collaborating in an agile environment.
Top Skills: Big Data AnalyticsCloud ComputingGoMachine LearningMicroservicesNosql DatabasesRestful Apis
Reposted 2 Days AgoSaved
In-Office or Remote
Kolkata, WB
Senior level
Senior level
Software
Lead the technical vision and team development for a critical domain within the Circles X platform, ensuring system resilience and team growth.
Top Skills: AWSCloudFormationFlinkGCPJaegerJavaKafkaKubernetesNoSQLOpentelemetrySpring BootSQLTerraform
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