Backend Developer Jobs

Backend Developer jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $191,300/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

AI/ML
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Enterprise Apps
Quantum

PennyLane

pennylane.ai
PennyLane (Xanadu) is an open-source, cross-platform software library designed for quantum machine learning (QML), quantum chemistry, and hybrid quantum-classical computing, developed by Toronto-based quantum photonics company Xanadu. Introduced in 2018, PennyLane integrates quantum computing hardware (such as photonic, superconducting, and trapped-ion processors) with classical machine learning frameworks like PyTorch, TensorFlow, and JAX.
pennylane.ai • HQ: Paris, France • Artificial Intelligence • Science & Engineering • Quantum Science & Computing • Machine Learning • 51-200 employees • Est. 2018
HQ: Paris, France • Artificial Intelligence • Science & Engineering • Quantum Science & Computing • Machine Learning • 51-200 employees • Est. 2018
Verified live · 3 hours ago 1 month ago

Backend Engineer - Ruby on Rails 🇪🇺

$40k – $102k per year (Estimated) • Middle • 4+ years exp • Remote (France) • Full-Time • Middle • French
Ruby
TypeScript
Ruby
Ruby on Rails
DevOps
AWS
CI/CD
Quantum
PennyLane
Apply
Verified live · 3 hours ago 2 months ago

Fullstack Software Engineer (Ruby on Rails / React) 🇪🇺

$39k – $101k per year (Estimated) • Middle • 4+ years exp • Remote (France) • Full-Time • Middle
Ruby
TypeScript
Ruby
Ruby on Rails
DevOps
AWS
CI/CD
QA
Jest
Quantum
PennyLane
Apply
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Goldcast

goldcast.io
Goldcast is an event management platform that lets B2B marketers and enterprises host interactive virtual events with tools and dashboards to measure the ROI and provide lead qualification insights.
goldcast.io • Gurgaon • Noida • Bengaluru • Events & Ticketing • Virtual Events • Event Management • Est. 2020
Gurgaon • Noida • Bengaluru • Events & Ticketing • Virtual Events • Event Management • Est. 2020
$47k – $102k per year (Estimated) • Staff+ • In office (Bengaluru, India) • Staff
C++
Go
Java
Python
Rust
Databases
Databricks
Snowflake
Apply
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Ai2Cyber

ai2cyber.com
We are a cybersecurity firm dedicated to providing cutting-edge solutions to protect businesses and individuals from evolving cyber threats. Our mission is to empower organisations to navigate the complex cybersecurity landscape with confidence. We believe that by combining robust security solutions, continuous improvement, and a proactive mindset, we can help our clients stay one step ahead of cyber attackers.
ai2cyber.com • Cybersecurity AI • Security Operations • Cybersecurity
Cybersecurity AI • Security Operations • Cybersecurity
1 month ago

Full Stack Developer

Remote (Greece) • Full-Time
JavaScript
Python
TypeScript
Python
Django
FastAPI
Flask
Celery
SQLAlchemy
Databases
PostgreSQL
Redis
AI/ML
LLM
Frontend
React.js
Mobile
Clean Architecture
DevOps
Docker
Git
Rest API
CI/CD
Apply
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Keepit

keepit.com
The Keepit Cloud is the most cost-effective solution on the market with 20+ years of experience. Learn more about our next-level SaaS data protection services.
keepit.com • Kraków • Cloud Security • Data & Analytics • Data Management
Kraków • Cloud Security • Data & Analytics • Data Management
$80k – $90k per year • Senior • 5+ years expIn office (Kraków, Poland) • Full-Time • Senior • Polish
C++
Java
LISP
SQL
Java
Spring Boot
Databases
Apache Kafka
RabbitMQ
DevOps
CI/CD
Cybersecurity
Keycloak
Microsoft Entra ID
Management
Google Workspace
Marketing
Salesforce
Zendesk
Apply
Report
Headquartered in San Francisco, California, Diamond Foundry is a technology firm that specializes in the production of lab-grown diamonds and high-performance single-crystal diamond wafers. The company leverages zero-emission, proprietary plasma reactor technology to manufacture synthetic gems for the luxury jewelry market as well as diamond substrates for semiconductor applications. Additionally, it supplies ultra-thermal conductivity solutions to optimize power efficiency in advanced microelectronics, electric vehicle systems, and artificial intelligence hardware.
df.com • HQ: San Francisco, United States • Metal Fabrication • Metals & Metallurgy • Manufacturing
HQ: San Francisco, United States • Metal Fabrication • Metals & Metallurgy • Manufacturing
Verified live · 2 hours ago 1 month ago

Manufacturing Software Engineer

$28k – $96k per year (Estimated) • Middle • 3+ years expIn office (Zaragoza, Spain) • Bachelor's Degree • Full-Time • Middle
C#
Python
SQL
Apply
$135k – $224k per year (Estimated) • Senior • 3+ years exp • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
JavaScript
Python
SQL
DevOps
AWS
Azure
GCP
Apply
Verified live · 2 hours ago 2 months ago

Senior Software Engineer

$150k – $175k per year • Senior • 3+ years expIn office • Bachelor's Degree • Full-Time • Senior
JavaScript
Python
SQL
DevOps
AWS
Azure
GCP
Apply
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Startup House

startup-house.com
Secure, enterprise-grade digital transformation. We design, build, and evolve custom software and AI solutions with strong governance.
startup-house.com • Warsaw • Information Technology • Artificial Intelligence • Software
Warsaw • Information Technology • Artificial Intelligence • Software
$54k – $81k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Node JS
Python
SQL
TypeScript
JavaScript
Node JS
Nest.JS
Python
FastAPI
Databases
NATS
Redis
AI/ML
LangChain
Langfuse
LangGraph
Model Context Protocol
Frontend
GraphQL
Next.js
React.js
DevOps
Azure
WebSockets
IoT
MQTT
Apply
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Septeo

septeo.com
Septeo is a European software group headquartered in Lattes, France, and founded in 2013. The company develops a wide range of AI-native SaaS solutions tailored for professional sectors including legal services, real estate, human resources, hospitality, and accounting. It operates across Europe, serving more than 300,000 professionals through specialized business units that focus on digital transformation and operational efficiency for regulated industries.
septeo.com • Montpellier • Tunis • Courbevoie • Nancy • Lyon • Travel Technology • Travel & Tourism • Human Resources • PropTech • Real Estate • Legal Services • Professional Services • Software • Est. 2013
Montpellier • Tunis • Courbevoie • Nancy • Lyon • Travel Technology • Travel & Tourism • Human Resources • PropTech • Real Estate • Legal Services • Professional Services • Software • Est. 2013
Verified live · 3 hours ago 1 month ago

Développeur Fullstack Senior - VueJS / .NET H/F

$47k – $94k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Montpellier, France) • Full-Time • Senior • French: C1
SQL
TypeScript
C#
JavaScript
C#
.NET
Entity Framework Core
Databases
PostgreSQL
RabbitMQ
Redis
Frontend
Element Plus
Vue.js
DevOps
Azure
Azure DevOps
CI/CD
Git
Helm
Kubernetes
WebSockets
Apply
Open 96 daysVerified live · 3 hours ago 4 months ago

Ingénieur Backend Senior H/F

$50k – $100k per year (Estimated) • Senior • Remote/Hybrid (Montpellier, France) • Full-Time • Senior • French: C1
Java
SQL
Kotlin
Java
Spring Boot
Kotlin
Mockito
Databases
PostgreSQL
AI/ML
Claude
Claude Code
LLM
Mobile
JUnit
DevOps
AWS
CI/CD
Docker
gRPC
Kubernetes
Apply
Report

ShopBack

shopback.com
ShopBack is a shopping rewards and cashback platform headquartered in Singapore and founded in 2014. The company provides a mobile app and browser extension that allow users to earn cashback on purchases from thousands of partner merchants across categories like fashion, electronics, and travel. It operates across ten markets in the Asia-Pacific region, serving millions of shoppers and partnering with major e-commerce platforms and physical retailers to drive sales through performance-based marketing.
shopback.com • HQ: Singapore • Price Comparison • Sales & Marketing • FinTech • Financial Services • Loyalty Programs • Commerce • Est. 2014
HQ: Singapore • Price Comparison • Sales & Marketing • FinTech • Financial Services • Loyalty Programs • Commerce • Est. 2014
Verified live · 1 day ago 1 month ago

Software Engineer Intern - Backend (H1 2027)

Intern • In office (Singapore) • Internship • Intern
ChatGPT
Claude
DevOps
Rest API
Apply
Open 140 daysVerified live · 1 day ago 5 months ago

Senior Software Engineer - Fullstack

Senior • 7+ years expIn office (Shenzhen, China) • Full-Time • Senior
Node JS
JavaScript
Java
Kotlin
Python
TypeScript
Databases
Apache Kafka
Amazon Redshift
PostgreSQL
AI/ML
ChatGPT
Claude
Cursor
Spark
DevOps
AWS
CI/CD
Datadog
Jenkins
Knative
Kubernetes
Prometheus
Amazon S3
GitLab
Management
Confluence
Slack
Apply
Open 230 daysVerified live · 1 day ago 8 months ago

Senior Backend Engineer - System Integration

Senior • 7+ years expIn office (Shenzhen, China) • Bachelor's Degree • Full-Time • Senior
Node JS
JavaScript
TypeScript
Databases
Amazon Redshift
Apache Kafka
PostgreSQL
AI/ML
ChatGPT
Claude
Cursor
DevOps
AWS
CI/CD
Datadog
Knative
Kubernetes
Amazon S3
GitLab
Management
Confluence
Slack
Apply
Report

D-Fend Solutions

dfendsolutions.com
D-Fend Solutions (D-Fend Inc.) is a premier counter-unmanned aerial system (C-UAS) technology enterprise, headquartered in Ra'anana, Israel, with US headquarters in McLean, Virginia. Founded in 2017 by Zohar Halachmi, Yaniv Benbenisti, and Assaf Monsa, the company develops non-kinetic, radio frequency (RF) cyber-driven anti-drone systems engineered by experts from elite military intelligence units.
dfendsolutions.com • HQ: McLean, United States • Military • Cybersecurity • Est. 2017
HQ: McLean, United States • Military • Cybersecurity • Est. 2017
Verified live · 6 hours ago 1 month ago

Senior Software Engineer (Cloud/Backend)

$81k – $230k per year (Estimated) • Senior • 7+ years expIn office • Bachelor's Degree • Full-Time • Senior
JavaScript
Node JS
Python
TypeScript
Node JS
Nest.JS
Databases
Apache Kafka
PostgreSQL
RabbitMQ
Redis
AI/ML
Claude Code
Copilot
Cursor
Time Series Forecasting
Frontend
React.js
DevOps
Amazon EKS
AWS
AWS CDK
Azure
Azure AKS
Datadog
Docker
GCP
Google GKE
Grafana
gRPC
Kubernetes
Prometheus
Terraform
Cybersecurity
Zero Trust
Apply
Verified live · 6 hours ago 2 months ago

Senior Python Engineer

$83k – $236k per year (Estimated) • Senior • 5+ years expIn office • Bachelor's Degree • Full-Time • Senior
C++
Python
DevOps
CI/CD
Apply
Report

Quantum

quantum.com
Quantum delivers the most comprehensive and cost-efficient end-to-end data management solutions designed for the AI era.
quantum.com • Bengaluru • Data Management • Hardware • Storage • Est. 1995
Bengaluru • Data Management • Hardware • Storage • Est. 1995
$25k – $67k per year (Estimated) • Senior • 8+ years expIn office (Bengaluru, India) • Senior
C++
Python
AI/ML
Claude
Claude Code
Copilot
Cursor
DevOps
Docker
Hyper-V
Kubernetes
KVM
OpenShift
Self-Healing
VMWare
GitHub
Azure
eBPF
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
1 month ago

Software Engineer

Middle • 4+ years expIn office (Hyderabad, Pakistan) • Bachelor's Degree • Middle
JavaScript
Kotlin
Node JS
Python
TypeScript
Java
Python
Django
Java
Spring Boot
Frontend
GraphQL
Next.js
React.js
tRPC
DevOps
CI/CD
Jenkins
Kubernetes
API Gateway
Apply
2 months ago

Fullstack Developer

Middle • 4+ years expIn office (Hyderabad, Pakistan) • Bachelor's Degree • Middle
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
Verified live · 10 hours ago 2 months ago

Senior Full Stack Software Developer (React, Python)

$24k – $62k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Hyderabad, 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
Report

Ottimate

ottimate.com
ottimate (formerly plate iq) is the leading ap automation ai. ottimate is ap automation ai that provides a smarter way for ap managers, approvers, controllers, and cfos to work through the entire invoice lifecycle. with mature deep learning capab...
ottimate.com • Kansas City • Bengaluru • Chennai • Tampa • Chihuahua • Artificial Intelligence • Financial Services • FinTech • Est. 2014
Kansas City • Bengaluru • Chennai • Tampa • Chihuahua • Artificial Intelligence • Financial Services • FinTech • Est. 2014
$27k – $67k per year (Estimated) • Senior • 6+ years expBengaluru • Remote (India, United States, Mexico) • Senior
JavaScript
Python
TypeScript
Python
Django
Databases
PostgreSQL
AI/ML
Claude
Claude Code
Cursor
Frontend
Angular
DevOps
AWS
Apply
Verified live · 2 days ago 2 months ago

Staff Engineer - Python & Django

$43k – $93k per year (Estimated) • Staff+ • 10+ years expRemote/Hybrid • Bachelor's Degree • Full-Time • Staff
Python
Python
Django
Databases
ClickHouse
Apply
Report

Nile Bits

nilebits.com
Nile Bits provides the best digital services that deliver scalable, robust, and cost effective digital solutions.
nilebits.com • Cairo • IT Outsourcing • Web Development • Software
Cairo • IT Outsourcing • Web Development • Software
Lead • 7+ years exp • Remote (Egypt) • Visa sponsorship • Master's Degree • Staff
Java
Node JS
PHP
Python
SQL
TypeScript
C#
JavaScript
Java
Spring Boot
PHP
Laravel
Python
Django
C#
.NET
Databases
Apache Kafka
MySQL
PostgreSQL
RabbitMQ
Redis
Frontend
Angular
GraphQL
React.js
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Marketing
HubSpot
Salesforce
Apply
Senior • 5+ years expCairo • Remote (Egypt) • Full-Time • Senior
Python
SQL
Python
Celery
Django
Databases
MySQL
ElasticSearch
Memcached
Redis
AI/ML
Claude
Claude Code
Copilot
OpenAI Codex
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
Git
New Relic
GitHub
Apply
Report

Abbeal

abbeal.com
Abbeal is a French tech consulting company specializing in software engineering, digital product development, and IT transformation. The firm provides end-to-end support for digital initiatives, offering expertise in modern web and mobile application development, cloud architecture, and agile product management. With offices across France and Canada, Abbeal partners with startups, scale-ups, and large enterprises to build scalable, high-performance digital solutions.
abbeal.com • Tokyo • Nagoya • Information Technology • Artificial Intelligence • Software
Tokyo • Nagoya • Information Technology • Artificial Intelligence • Software
$48k – $110k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Tokyo, Japan) • Full-Time • Senior • Japanese (Optional)
Go
Java
Kotlin
Python
Scala
Databases
MySQL
AI/ML
LLM
DevOps
Docker
Kubernetes
Apply
$57k – $102k per year • Senior • 5+ years expTokyo • Remote (Japan) • Full-Time • Senior • Japanese
Go
Databases
PostgreSQL
DevOps
Kubernetes
Apply
$51k – $108k per year • Senior • 10+ years expTokyo • Remote (India, Japan, Vietnam) • Full-Time • Senior
Java
Kotlin
Databases
PostgreSQL
DevOps
Amazon ECS
Apply
Report

WorldQuant

worldquant.com
worldquant.com • London • Bengaluru • Ho Chi Minh City • Montevideo • Ramat Gan
London • Bengaluru • Ho Chi Minh City • Montevideo • Ramat Gan
$47k – $167k per year (Estimated) • Junior • 2+ years expIn office (Singapore) • Bachelor's Degree • Full-Time • Junior
C++
Python
C++
STL
AI/ML
Claude
Claude Code
Time Series Forecasting
Apply
$95k – $172k per year (Estimated) • Senior • 7+ years expIn office (London, United Kingdom) • Full-Time • Senior • English: C1
C++
Python
Apply
$84k – $237k per year (Estimated) • Senior • 7+ years expIn office (Ramat Gan, Israel) • Full-Time • Senior • English: C1
C++
Python
Apply
Report

Build

build.io
Build is a cloud infrastructure and platform-as-a-service provider headquartered in London, United Kingdom, and founded in 2023. The company provides a full-stack platform for product teams to deploy and run production applications on its own bare-metal hardware rather than relying on rented hyperscaler capacity. It integrates AI-powered workflows for automated code deployment and infrastructure management, serving a global client base through data centers in the United States, Europe, and Japan.
build.io • HQ: London, United Kingdom • Web Development • Software • Data Centers • AI Agents • Artificial Intelligence • DevOps • Information Technology • Cloud Computing • Est. 2023
HQ: London, United Kingdom • Web Development • Software • Data Centers • AI Agents • Artificial Intelligence • DevOps • Information Technology • Cloud Computing • Est. 2023
1 month ago

Software Engineer

$32k – $57k per year • Middle • 3+ years expTokyo • Remote (Japan) • Bachelor's Degree • Full-Time • Middle
AWS
CI/CD
Docker
Kubernetes
Apply
Report

Adagrad AI

adagrad.ai
Adagrad AI is a leading AI solution provider that leverages hardware-accelerated algorithms, enhanced computer vision applications, and advanced tech to develop and deploy scalable solutions for businesses.
adagrad.ai • Mumbai • Bengaluru • Pune • Gurgaon • Hardware • Artificial Intelligence • Computer Vision • Est. 2018
Mumbai • Bengaluru • Pune • Gurgaon • Hardware • Artificial Intelligence • Computer Vision • Est. 2018
1 month ago

Senior Java Developer

$25k – $65k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Senior
Java
Java
Hibernate
Spring Boot
Spring Framework
DevOps
AWS
Azure
CI/CD
GCP
Git
Apply
2 months ago

Backend Engineer

$20k – $55k per year (Estimated) • Middle • 3+ years expIn office (Mumbai, India) • Bachelor's Degree • Middle
Python
SQL
Python
Django
FastAPI
Databases
PostgreSQL
AI/ML
AI Agents
Aider
Claude
Claude Code
Cursor
OpenAI Codex
LLM
Anthropic
Function Calling
OpenAI
DevOps
AWS
Docker
GCP
Grafana
Cybersecurity
Tcpdump
Apply
Report

Dynamo

dynamo.ai
Dynamo AI offers end-to-end AI Performance, Security, and Compliance solutions for delivering Enterprise-grade Generative AI.
dynamo.ai • Washington • New York • San Francisco • London • Paris • LLM & Generative AI • Artificial Intelligence
Washington • New York • San Francisco • London • Paris • LLM & Generative AI • Artificial Intelligence
$129k – $258k per year (Estimated) • Lead • 8+ years expIn office (San Francisco, United States) • Full-Time • Staff
Python
TypeScript
DevOps
AWS
Azure
GCP
Kubernetes
Apply
$127k – $228k per year (Estimated) • Senior • 5+ years expIn office (Washington, United States) • Full-Time • Senior
Java
Python
TypeScript
AI/ML
AI Agents
LLM Guardrails
LLM
DevOps
CI/CD
Docker
Kubernetes
Platform Engineering
Terraform
Cybersecurity
FedRAMP
Apply
$110k – $273k per year (Estimated)In office (San Francisco, United States) • Full-Time
AI Agents
LLM Guardrails
LLM
DevOps
Kubernetes
Platform Engineering
Apply
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Zania

zania.com
zania.com • Palo Alto • AI Agents • Cybersecurity • Security Compliance
Palo Alto • AI Agents • Cybersecurity • Security Compliance
Top 25% pay 1 month ago

Software Engineer

$100k – $200k per year • Senior • 5+ years expIn office (Palo Alto, United States) • Relocation • Bachelor's Degree • Full-Time • Senior
Python
TypeScript
AI/ML
AI Agents
Spark
Scale AI
DevOps
AWS
Azure
GCP
Apply
Report

Mycronic

mycronic.com
Mycronic is a Swedish technology company founded in 1976 and based near Stockholm. It builds mask writers for display manufacturing and electronics assembly equipment. The company is listed on Nasdaq Stockholm.
mycronic.com • HQ: Stockholm, Sweden • Electronics Manufacturing • Lasers & Photonics • Hardware • Est. 1976
HQ: Stockholm, Sweden • Electronics Manufacturing • Lasers & Photonics • Hardware • Est. 1976
Verified live · 2 days ago 1 month ago

Senior Software Engineer, Sweden

Senior • In office • Senior
C++
Java
AI/ML
Computer Vision
Apply
Report
Backend Developer Jobs
Frequently asked questions
How many Backend Developer jobs are available on Alion?
There are currently 24765 active listings from 4789 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs pay?
The average salary is around $191,300 per year based on the current listings.
Are remote options available for Backend Developer jobs?
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?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.