Backend Developer Jobs in Kolkata

Backend Developer jobs in Kolkata hiring now at vetted startups and product companies on Alion, updated daily. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Kolkata
AI/ML
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Executive
Networking
Product
Design
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Support
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Quantum

Jumio

jumio.com
Jumio is an IT & Services company that provides service related to online protection for businesses, specializing in online ID verification, card scanning, mobile payments, computer vision, credentials management, and KYC.
jumio.com • HQ: Sunnyvale, United States • Cybersecurity • Fraud Detection • Identity Management • Est. 2010
HQ: Sunnyvale, United States • Cybersecurity • Fraud Detection • Identity Management • Est. 2010
Verified live · 6 hours ago 2 months ago

Software Development Engineer IV - (Biometrics)

$27k – $67k per year (Estimated) • Senior • Remote (India) • Internship • Senior
Java
Python
Databases
DynamoDB
Redis
AI/ML
Amazon SageMaker
DevOps
Amazon EC2
AWS
AWS Fargate
CI/CD
Datadog
Docker
Kubernetes
New Relic
Terraform
Amazon ECS
Amazon S3
Platform Engineering
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Apollo.io

apollo.io
Apollo.io is a leading B2B sales intelligence and engagement platform that helps go-to-market teams discover, contact, and close target accounts. The platform combines a massive database of verified business contacts and company profiles with built-in tools for email sequences, call execution, and workflow automation. By integrating data acquisition directly into the outreach process, it enables sales and marketing teams to streamline prospecting and accelerate revenue growth.
apollo.io • Austin • Mexico City • London • Salt Lake City • San Francisco • Sales & Marketing • Sales Enablement • Lead Generation • Est. 2015
Austin • Mexico City • London • Salt Lake City • San Francisco • Sales & Marketing • Sales Enablement • Lead Generation • Est. 2015
$60k – $100k per year • Senior • 5+ years expIndia • Remote (India) • Bachelor's Degree • Full-Time • Senior
Node JS
Ruby
SQL
JavaScript
Ruby
Ruby on Rails
Databases
ElasticSearch
MongoDB
Redis
Frontend
Redux
DevOps
Ansible
Docker
Kubernetes
Terraform
GCP
Robotics
Apollo
Marketing
HubSpot
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$25k – $55k per year • Middle • 2+ years expIndia • Remote (India) • Bachelor's Degree • Full-Time • Junior
Node JS
Ruby
SQL
JavaScript
Ruby
Ruby on Rails
Databases
ElasticSearch
Redis
Frontend
Redux
DevOps
Ansible
Docker
Kubernetes
Terraform
Robotics
Apollo
Marketing
HubSpot
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Hitachi

hitachi.com
Hitachi is a major Japanese multinational conglomerate specializing in industrial equipment, power systems, railway infrastructure, and digital technologies. Through its Social Innovation Business and Lumada platform, the company combines operational technology with enterprise IT to modernize critical infrastructure globally. Operating across diverse sectors - including energy, mobility, healthcare, and green technologies - Hitachi drives digital transformation and sustainable development worldwide.
hitachi.com • HQ: Tokyo, Japan • Hardware • Industrial Machinery • Manufacturing • 5000+ employees
HQ: Tokyo, Japan • Hardware • Industrial Machinery • Manufacturing • 5000+ employees
Verified live · 2 hours ago 2 months ago

Infrastructure as Code developer

$20k – $54k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Kolkata, India) • Bachelor's Degree • Full-Time • Senior
Go
JavaScript
Python
SQL
TypeScript
Python
Django
FastAPI
Flask
Databases
MS SQL
PostgreSQL
Frontend
Angular
DevOps
Ansible
AWS
Azure
CI/CD
Configuration Management
Docker
GCP
Jenkins
Kubernetes
Terraform
GitHub
QA
Selenium
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Sourcegraph

sourcegraph.com
Founded in 2013, Sourcegraph is an AI-powered code intelligence platform designed to help software engineers search, understand, and automate edits across massive codebases. The platform offers universal code search and an AI coding assistant named Cody, enabling developers to navigate complex repositories, speed up context gathering, and fix issues faster. By integrating directly into existing developer workflows and hosting environments, the company helps large engineering teams scale productivity and maintain code quality.
sourcegraph.com • Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Verified live · 1 day ago 2 months ago

Software Engineer/Tech Lead - Code Plane [IC5]

$114k – $256k per year (Estimated) • Lead • 8+ years exp • Remote • Internship • Staff
JavaScript
Go
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Cursor
Model Context Protocol
Frontend
Svelte
GraphQL
SvelteKit
DevOps
Docker
Kubernetes
QA
Rest-Assured
Apply
Verified live · 1 day ago 2 months ago

Software Engineer - Platform [IC3]

Remote
Model Context Protocol
DevOps
AWS
Azure
CDKTF
GCP
Kubernetes
SLI/SLO/SLA
Terraform
gRPC
QA
Rest-Assured
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Airbnb

airbnb.com
Airbnb is an American technology company that operates a global online marketplace for short-term and long-term homestays, vacation rentals, and local experiences. Founded in 2008 and headquartered in San Francisco, the platform connects property hosts with travelers across more than 220 countries and regions. Operating on an asset-light, peer-to-peer business model, the company facilitates search, secure payment processing, identity verification, and customer support for millions of guest arrivals worldwide.
airbnb.com • HQ: San Francisco, United States • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
HQ: San Francisco, United States • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
Open 233 daysVerified live · 26 min ago 8 months ago

Senior Staff Software Engineer, Payments

$41k – $90k per year (Estimated) • Staff+ • 15+ years expBengaluru • Remote (India) • Bachelor's Degree • Staff
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Alpaca

alpaca.markets
Alpaca is a developer-first financial infrastructure, clearing, and brokerage API enterprise headquartered in San Mateo, California. Founded in 2015 by Yoshi Yokokawa and Hitoshi Harada, the company has raised over $320 million in venture funding - including a $150 million Series D at a $1.15 billion valuation led by Drive Capital, alongside Citadel Securities, Portage, and Horizons Ventures.
alpaca.markets • HQ: San Mateo, United States • Cybersecurity • Blockchain & Crypto • Financial Services • FinTech • Capital Markets • Est. 2015
HQ: San Mateo, United States • Cybersecurity • Blockchain & Crypto • Financial Services • FinTech • Capital Markets • Est. 2015
Verified live · 2 hours ago 2 months ago

Staff Software Engineer - New Markets Japan (JLPT N1 Fluent)

Equity • Staff+ • Remote (APAC) • Staff • Japanese: C1
C#
C++
Go
Java
Kotlin
Rust
Scala
DevOps
gRPC
Management
Slack
Apply
Verified live · 2 hours ago 4 months ago

Senior Software Engineer - New Markets Japan (JLPT N1 Fluent)

Equity • Senior • Remote (APAC) • Senior • Japanese: C1
C#
C++
Go
Java
Kotlin
Rust
Scala
DevOps
gRPC
Management
Slack
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Cresta

cresta.com
Cresta is an American enterprise software company founded in 2017 out of the Stanford artificial intelligence laboratory that builds generative AI systems for customer contact centres. Its platform unites autonomous voice and chat agents, real-time guidance for human agents, automated quality assurance and conversation analytics on top of a company's own transcript history. Headquartered in San Francisco, it serves large telecommunications, financial services, retail and travel brands that run high-volume support and sales operations.
cresta.com • HQ: San Francisco, United States • Software • Artificial Intelligence • Customer Relationship Management (CRM) • AI Agents • Conversational AI • 501-1000 employees • Est. 2017
HQ: San Francisco, United States • Software • Artificial Intelligence • Customer Relationship Management (CRM) • AI Agents • Conversational AI • 501-1000 employees • Est. 2017
Verified live · 5 hours ago 6 months ago

Conversational Design, Demo Engineer

$22k – $61k per year (Estimated) • Middle • 3+ years exp • Remote (India) • Middle
AI Agents
Vertex AI
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Defuse Labs

defuse.org
Defuse Labs develops NEAR Intents to enable seamless cross-chain interactions in an automated world — connecting AI, services, and financial applications.
defuse.org • Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Open 130 daysVerified live · 11 hours ago 5 months ago

Senior Software Engineer

$94k – $229k per year (Estimated) • Senior • Remote • Senior
Node JS
Rust
TypeScript
JavaScript
DevOps
GCP
Grafana
Kubernetes
Prometheus
Web3
NEAR
Smart Contracts
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Open 153 daysVerified live · 11 hours ago 6 months ago

Senior Software Engineer (Solvers)

$92k – $223k per year (Estimated) • Senior • 7+ years exp • Remote • Senior
JavaScript
TypeScript
C++
Rust
Web3
NEAR
Smart Contracts
MEV
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Testnhire

testnhire.com
Improve hiring accuracy with pre-employment tests. Identify qualified candidates faster through data-driven assessments.
testnhire.com • Jaipur • Education • Human Resources • Skill Assessment
Jaipur • Education • Human Resources • Skill Assessment
2 months ago

Web Developer

$20k – $83k per year (Estimated)Jaipur • Remote (India) • Bachelor's Degree
JavaScript
Node JS
PHP
Python
Ruby
TypeScript
Databases
MySQL
PostgreSQL
Frontend
Angular
React.js
Apply
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Hyperproof

hyperproof.io
Hyperproof's GRC platform turns GRC into a growth engine. Eliminate duplicate work and see 66% reduction in duplicative controls.
hyperproof.io • Portland • Panama • Software • Cybersecurity • Security Compliance
Portland • Panama • Software • Cybersecurity • Security Compliance
Verified live · 18 min ago 2 months ago

Software Engineer, Risk Management

Middle • 3+ years exp • Remote (India) • Contractor • Middle
C#
Go
Java
Node JS
Python
TypeScript
JavaScript
C#
.NET
Databases
PostgreSQL
Frontend
React.js
DevOps
Rest API
Cybersecurity
FedRAMP
ISO 27001
NIST CSF
SOC 2
Management
Slack
Apply
Report

Accellor

accellor.com
Accellor is an AI-first digital transformation and technology services firm headquartered in Frisco, Texas, and founded in 2018. The company develops purpose-built artificial intelligence solutions, including agentic AI for supply chain optimization, AI-assisted software engineering, and intelligent automation for sectors like healthcare and financial services. It operates globally with a focus on scaling AI from proof of concept to enterprise-wide production through strategic partnerships with major technology providers like Salesforce and Microsoft.
accellor.com • HQ: Frisco, United States • Health Care • Business Process Automation (BPA) • Software • AI Agents • LLM & Generative AI • Artificial Intelligence • Information Technology • IT Consulting • Est. 2018
HQ: Frisco, United States • Health Care • Business Process Automation (BPA) • Software • AI Agents • LLM & Generative AI • Artificial Intelligence • Information Technology • IT Consulting • Est. 2018
$28k – $68k per year (Estimated) • Senior • 4+ years expHyderabad • Remote (United States, India, Pakistan) • Bachelor's Degree • Full-Time • Senior
JavaScript
Kotlin
Node JS
Python
Java
TypeScript
Java
Spring Boot
Frontend
GraphQL
Next.js
React.js
tRPC
DevOps
CI/CD
Jenkins
Kubernetes
API Gateway
Apply
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Zapier

zapier.com
Build and scale AI workflows and agents across 9,000+ apps with Zapier—the most connected AI orchestration platform. Trusted by 3 million+ businesses.
zapier.com • Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Verified live · 1 day ago 3 months ago

Staff Backend Engineer, Revenue

Staff+ • 8+ years exp • Remote (AMER, EMEA, APAC) • Full-Time • Staff
ChatGPT
Claude
Management
Zapier
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SigNoz

signoz.io
SigNoz is an observability company headquartered in San Francisco, California, and founded in 2020. The company develops an open source, OpenTelemetry-native platform that unifies traces, metrics, and logs in a single application, offered both self-hosted and as a managed cloud service. It targets engineering teams looking for an alternative to per-seat observability vendors, and went through Y Combinator before raising venture funding.
signoz.io • HQ: San Francisco, United States • Analytics Platforms • Log Analytics • Data & Analytics • Information Technology • Data Observability • DevOps • Est. 2020
HQ: San Francisco, United States • Analytics Platforms • Log Analytics • Data & Analytics • Information Technology • Data Observability • DevOps • Est. 2020
Verified live · 12 hours ago 3 months ago

Sr Backend Engineer - AI

$30k – $75k per year (Estimated) • Senior • 5+ years exp • Remote (India) • Full-Time • Senior
Go
Python
Python
Asyncio
FastAPI
Pydantic
Databases
Apache Kafka
ClickHouse
AI/ML
Function Calling
LLM
Prompt Engineering
Model Context Protocol
DevOps
OpenTelemetry
SigNoz
GitHub
Kubernetes
Management
Slack
Apply
Verified live · 12 hours ago 3 months ago

Staff Backend Engineer - Core

$74k – $105k per year • Staff+ • 5+ years exp • Remote (India) • Full-Time • Staff
Go
Databases
ClickHouse
DevOps
OpenTelemetry
SigNoz
GitHub
Kubernetes
Management
Slack
Apply
Open 104 daysVerified live · 12 hours ago 4 months ago

Sr Backend Engineer - Platform

$42k – $74k per year • Senior • 5+ years exp • Remote (India) • Full-Time • Senior
Go
Databases
Apache Kafka
ClickHouse
DevOps
OpenTelemetry
SigNoz
GitHub
Kubernetes
Management
Slack
Apply
Report

Lingaro

lingarogroup.com
Lingaro is a Warsaw technology company founded in 2008 and specialised in data and analytics engineering. It builds data platforms, business intelligence and artificial intelligence solutions for global consumer goods, pharmaceutical and retail groups. The company employs thousands of specialists across Europe and Asia.
lingarogroup.com • HQ: Warsaw, Poland • Commerce • Artificial Intelligence • Data & Analytics • Est. 2008
HQ: Warsaw, Poland • Commerce • Artificial Intelligence • Data & Analytics • Est. 2008
Verified live · 1 day ago 3 months ago

Java Developer, India

$20k – $84k per year (Estimated) • Remote (India) • Full-Time
Java
Databases
MySQL
PostgreSQL
DevOps
AWS
Azure
GCP
Git
Apply
Open 257 daysVerified live · 1 day ago 9 months ago

Backend Developer

$27k – $67k per year (Estimated) • Senior • 6+ years exp • Remote (India) • Full-Time • Senior
Java
Python
Python
FastAPI
Databases
PostgreSQL
DevOps
Azure
CI/CD
Apply
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Coupa Software

coupa.com
Coupa Software is a global enterprise software leader in AI-driven Business Spend Management (BSM) and supply chain design, headquartered in Foster City, California. Founded in 2006 by Dave Stephens and Noah Eisner (and taken private by Thoma Bravo in an $8B transaction in 2023), the platform oversees trillions of dollars in transactional spend across a network of over 3,000 corporate clients globally.
coupa.com • HQ: Foster City, United States • Transportation & Logistics • Supply Chain • Software • Business Process Automation (BPA) • 201-500 employees • Est. 2006
HQ: Foster City, United States • Transportation & Logistics • Supply Chain • Software • Business Process Automation (BPA) • 201-500 employees • Est. 2006
Verified live · 1 day ago 3 months ago

Lead Cloud Software Engineer - 11626

$27k – $72k per year (Estimated) • Lead • 6+ years expPune • Remote (India) • Staff
Python
Ruby
Ruby
Ruby on Rails
DevOps
Amazon EKS
AWS
Azure
Azure AKS
GCP
New Relic
Terraform
Kubernetes
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ServiceTitan

servicetitan.com
ServiceTitan is the world's most impactful vertical SaaS company headquartered in California. Our platform delivers a seamlessly integrated experience that enables thousands of business owners to accelerate growth, drive operational efficiencies.
servicetitan.com • Glendale • Yerevan • Bengaluru • Chicago • Toronto • Conversational AI • Artificial Intelligence • Operating Systems • 5000+ employees
Glendale • Yerevan • Bengaluru • Chicago • Toronto • Conversational AI • Artificial Intelligence • Operating Systems • 5000+ employees
Verified live · 1 day ago 3 months ago

Principal Software Engineer, Data Platform

$28k – $75k per year (Estimated) • Lead • 10+ years expBengaluru • Remote (India) • Bachelor's Degree • Full-Time • Principal
Python
SQL
Databases
Apache Kafka
ClickHouse
Snowflake
AI/ML
AI Agents
Claude
Copilot
Cursor
dbt
Great Expectations
LLM
Spark
LLM Guardrails
DevOps
Platform Engineering
Amazon Kinesis
Apply
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Portcast

portcast.io
OUR VISION: Making logistics more efficient and data-driven with AI. Our founders Nidhi Gupta and Dr. Lingxiao Xia met at Entrepreneur First in Singapore and realised their backgrounds collided at the intersection of how AI can enable logistics t...
portcast.io • Bengaluru • Mexico City • Chicago • Delhi • Berlin • Transportation & Logistics • Artificial Intelligence • Supply Chain • Est. 2018
Bengaluru • Mexico City • Chicago • Delhi • Berlin • Transportation & Logistics • Artificial Intelligence • Supply Chain • Est. 2018
Verified live · 1 day ago 3 months ago

Backend Engineer

$27k – $67k per year (Estimated) • Senior • 5+ years expDelhi • Remote (India, Singapore, Bosnia and Herzegovina) • Bachelor's Degree • Full-Time • Senior
Python
Python
Flask
Databases
ElasticSearch
AI/ML
Claude
Copilot
Cursor
Spark
DevOps
CI/CD
Docker
Git
Apply
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Thales Alenia Space

thalesaleniaspace.com
We believe in Space as humankind’s new horizon to build a better, sustainable Life on Earth. In Space, governments, institutions and companies rely on us to design, operate and deliver a whole range of satellite-based systems.
thalesaleniaspace.com • Victoria • Montreal • Orlando • Burlington • Irvine • Environmental Science • Space & Aerospace • Earth Observation • 5000+ employees
Victoria • Montreal • Orlando • Burlington • Irvine • Environmental Science • Space & Aerospace • Earth Observation • 5000+ employees
Verified live · 3 hours ago 3 months ago

Java Developer

$14k – $36k per year (Estimated) • Junior • 2+ years expNoida • Remote (India) • Master's Degree • Full-Time • Junior
C++
Python
DevOps
CI/CD
Apply
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Sapfioneer

sapfioneer.com
Our financial services solutions empower top-tier banks and insurers to deploy faster, grow at scale and conquer new opportunities.
sapfioneer.com • HQ: Frankfurt am Main, Germany • Enterprise Resource Planning (ERP) • Financial Services • FinTech • 501-1000 employees • Est. 2021
HQ: Frankfurt am Main, Germany • Enterprise Resource Planning (ERP) • Financial Services • FinTech • 501-1000 employees • Est. 2021
Verified live · 3 min ago 4 months ago

Java Full Stack Cloud Native Developer

$20k – $84k per year (Estimated)Pune • Remote (India) • Bachelor's Degree • Full-Time
Java
JavaScript
ABAP
Java
Spring Boot
Spring Security
ABAP
SAP BTP
SAP UI5
Databases
Apache Kafka
RabbitMQ
PostgreSQL
Frontend
React.js
Web Components
Redux
Mobile
State Management
DevOps
AWS
Azure
CI/CD
Docker
Git
GitHub Actions
Helm
Kubernetes
Rest API
GitHub
Apply
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CSC Generation

cscgeneration.com
CSC Generation is a retail technology holding company headquartered in Merrillville, Indiana, and founded in 2016. The company acquires legacy and underperforming retail brands and integrates them into its proprietary Genesis platform, which uses artificial intelligence and automation to modernize operations. Its portfolio includes iconic brands such as Sur La Table, One Kings Lane, and Backcountry, operating as a multi-brand platform across North America.
cscgeneration.com • HQ: Merrillville, United States • Apparel & Fashion • Kitchenware & Cookware • Furniture • Consumer Goods • Predictive Analytics • Artificial Intelligence • E-commerce Platforms • Commerce • Est. 2016
HQ: Merrillville, United States • Apparel & Fashion • Kitchenware & Cookware • Furniture • Consumer Goods • Predictive Analytics • Artificial Intelligence • E-commerce Platforms • Commerce • Est. 2016
Open 110 daysVerified live · 11 hours ago 4 months ago

Senior Backend Engineer – Fulfillment Systems

Senior • 10+ years exp • Remote (United States, India, Costa Rica) • Bachelor's Degree • Full-Time • Senior
C#
Java
Python
SQL
Java
Spring Boot
AI/ML
AI Agents
Mobile
Clean Architecture
DevOps
AWS
CI/CD
Docker
GCP
Kubernetes
Apply
Open 426 daysVerified live · 11 hours ago 1 year ago

Senior Full Stack Engineer

$27k – $67k per year (Estimated) • Senior • 7+ years exp • Remote (India) • Full-Time • Senior
JavaScript
Node JS
TypeScript
AI/ML
Prompt Engineering
Frontend
React.js
Mobile
Clean Architecture
DevOps
AWS
AWS Lambda
AWS CDK
Terraform
Apply
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Backend Developer Jobs in Kolkata
Frequently asked questions
How many Backend Developer jobs in Kolkata are available on Alion?
There are currently 12 active listings from 8 hiring companies on Alion, refreshed daily.
Which companies are hiring for Backend Developer jobs in Kolkata?
8 vetted startups and product companies are currently hiring on Alion.
Are remote options available for Backend Developer jobs in Kolkata?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Kolkata?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.