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
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum
At Blue Language Labs we are building the foundational trust layer for the AI-driven economy. By transforming digital agreements into self-enforcing, verifiable contracts, we enable machines to transact, negotiate, and collaborate with certainty. Our open protocol unlocks seamless, global commerce powered by AI-secure, scalable, and built for the future.
labs.blue • Artificial Intelligence • Blockchain & Crypto • Smart Contracts & Security
Artificial Intelligence • Blockchain & Crypto • Smart Contracts & Security
$128k – $160k per year • Staff+ • 7+ years exp • Remote (Poland) • Full-Time • Staff • Polish: C1
Node JS
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
React.js
DevOps
AWS
AWS Lambda
CloudFormation
Amazon CloudWatch
Amazon EventBridge
API Gateway
IAM
Web3
Smart Contracts
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Workai

workai.com
Helping companies provide better employee experience - to communicate better, empower employees, measure the impact, and act faster: remote, hybrid, or onsite.
workai.com • Białystok • Professional Services • Communication & Collaboration • Human Resources
Białystok • Professional Services • Communication & Collaboration • Human Resources
2 months ago

Senior .NET Developer

$64k – $71k per year • Senior • 5+ years expRemote/Hybrid (Białystok, Poland) • Master's Degree • Full-Time • Senior • Polish: C1
C#
SQL
C#
ASP.NET Core
Entity Framework Core
Databases
Azure Cosmos DB
Azure SQL Database
MS SQL
AI/ML
Model Context Protocol
RAG
Semantic Search
Semantic Search
Fine-tuning
Prompt Engineering
RLHF
Function Calling
Human-in-the-Loop
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
Azure
Rest API
Apply
$64k – $71k per year • Senior • In office (Białystok, Poland) • Master's Degree • Full-Time • Senior • Polish: C1
C#
SQL
C#
ASP.NET Core
Entity Framework Core
Databases
Azure Cosmos DB
Azure SQL Database
MS SQL
AI/ML
LLM
Model Context Protocol
RAG
RLHF
AI Agents
Human-in-the-Loop
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
Azure
Rest API
Apply
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Bugcrowd

bugcrowd.com
We build innovative, crowd-powered solutions that connect the creativity of the global security community to the global market. Our Vision A radical cybersecurity advantage. Our Values • Simple is strong • Respect is the key • Happy Customer...
bugcrowd.com • San Francisco • Chicago • Information Security • Cybersecurity
San Francisco • Chicago • Information Security • Cybersecurity
2 months ago

Software Engineer III

$119k – $237k per year (Estimated) • Middle • 3+ years expIn office (San Francisco, United States) • Visa sponsorship • Bachelor's Degree • Confidential • Middle
Python
TypeScript
JavaScript
Rust
Python
Flask
Frontend
React.js
DevOps
AWS
GCP
GitHub Actions
GitHub
Cybersecurity
Keycloak
Apply
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LeafLink

leaflink.com
LeafLink, the cannabis industry's leading B2B technology platform, is standardizing how thousands of brands, distributors, and retailers manage their operations. The Company's industry-defining tools streamline the way legal cannabis businesses cr...
leaflink.com • HQ: New York, United States • Cybersecurity • Marketplaces • Commerce
HQ: New York, United States • Cybersecurity • Marketplaces • Commerce
$145k – $200k per year • Equity • Senior • 5+ years expNew York • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
Java
TypeScript
JavaScript
AI/ML
Claude
Copilot
Cursor
Frontend
Angular
React.js
Vue.js
DevOps
Docker
Kubernetes
VMWare
Management
Slack
Apply
$115k – $170k per year • Equity • Senior • 5+ years expNew York • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
JavaScript
Python
TypeScript
AI/ML
Claude
Copilot
Cursor
Frontend
GraphQL
Pinia
Vue.js
Vuex
DevOps
CI/CD
Docker
Kubernetes
VMWare
Management
Slack
QA
Playwright
Pytest
Vitest
Apply
Verified live · 2 days ago 2 months ago

Senior Full Stack Engineer II (Frontend Leaning)

$91k – $221k per year (Estimated) • Equity • Senior • 5+ years exp • Remote (United States) • Senior
JavaScript
Python
TypeScript
AI/ML
Claude
Copilot
Cursor
Frontend
GraphQL
Pinia
Vue.js
Vuex
DevOps
CI/CD
Docker
Kubernetes
VMWare
Management
Slack
QA
Playwright
Pytest
Vitest
Apply
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Smile Digital Health

smiledigitalhealth.com
Smile Digital Health is a health information technology company headquartered in Toronto, Canada, and founded in 2016. The company provides a FHIR-native health data platform that enables interoperability, digital quality measures, and clinical intelligence for healthcare organizations. It serves government agencies, health systems, and payers globally, focusing on open standards to unify fragmented healthcare data and improve patient outcomes.
smiledigitalhealth.com • HQ: Toronto, Canada • System Integration • Information Technology • Data Quality • Data Integration • Data Management • Data & Analytics • Health Care • Digital Health • Est. 2016
HQ: Toronto, Canada • System Integration • Information Technology • Data Quality • Data Integration • Data Management • Data & Analytics • Health Care • Digital Health • Est. 2016
$90k – $110k per year • Middle • 5+ years expToronto • Remote (Canada) • Visa sponsorship • Bachelor's Degree • Middle
SQL
TypeScript
Java
JavaScript
Node JS
Java
Spring Framework
Frontend
Angular
npm
DevOps
CI/CD
Docker
Git
Apply
Verified live · 2 hours ago 2 months ago

Software Developer Intermediate (Remote Canada)

$65k – $79k per year • Middle • 5+ years expToronto • Remote (Canada) • Full-Time • Middle
SQL
TypeScript
Java
JavaScript
Node JS
Java
Spring Framework
Frontend
Angular
npm
DevOps
CI/CD
Docker
Git
Apply
$115k – $135k per year • Senior • 8+ years expToronto • Remote (Canada) • Visa sponsorship • Bachelor's Degree • Senior
Java
SQL
DevOps
Git
Rest API
Apply
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Atlantbh

atlantbh.com
AtlantBH offers Turnkey Testing Service: you introduce us to the product and architecture, and we bring our expertise, tools and techniques to evaluate the product quality and recommend improvements. As an Agile team, we do not require complex man...
atlantbh.com • HQ: Sarajevo, Bosnia and Herzegovina • Artificial Intelligence • Data & Analytics • Software
HQ: Sarajevo, Bosnia and Herzegovina • Artificial Intelligence • Data & Analytics • Software
Junior • 1+ year exp • Remote (Bosnia and Herzegovina) • Visa sponsorship • Bachelor's Degree • Junior
JavaScript
TypeScript
Frontend
Angular
React.js
DevOps
AWS
CI/CD
Docker
Git
Apply
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Zego

zego.com
Zego was founded in 2016 and is an insurance policy provider. Zego currently operates in the UK, Ireland, France, Belgium, and Spain.
zego.com • HQ: London, United Kingdom • FinTech • Financial Services • Insurance
HQ: London, United Kingdom • FinTech • Financial Services • Insurance
2 months ago

Lead Backend Engineer

$94k – $189k per year (Estimated) • Equity • Lead • Remote/Hybrid (London, United Kingdom) • Visa sponsorship • Bachelor's Degree • Staff
Python
DevOps
CI/CD
Apply
Open 128 daysVerified live · 7 hours ago 5 months ago

Software Engineer

$80k – $181k per year (Estimated)In office (London, United Kingdom) • Full-Time
Python
Databases
Snowflake
AI/ML
Claude
Claude Code
Design
Figma
Management
Zapier
Apply
Open 148 daysVerified live · 7 hours ago 5 months ago

Software Engineer

$46k – $69k per year • Remote/Hybrid • Full-Time
Python
Databases
Snowflake
AI/ML
Claude
Claude Code
Design
Figma
Management
Zapier
Apply
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Accurantllc

accurantllc.com
Accurant provides Capital Investment in early stage companies or projects coupled with entrepreneurial experienced business advisory with a focus in Climate and Energy.
accurantllc.com • Minneapolis • Virtual Events • E-learning
Minneapolis • Virtual Events • E-learning
$130k – $150k per year • Lead • 6+ years expRemote/Hybrid (Minneapolis, United States) • Visa sponsorship • Bachelor's Degree • Internship • Principal
C++
JavaScript
Python
Rust
SQL
TypeScript
C++
DirectX
OpenGL
AI/ML
AI Agents
DevOps
Docker
Git
Jenkins
Kubernetes
Apply
Verified live · 4 hours ago 2 months ago

Senior Software Engineer

$90k – $120k per year • Senior • In office (Minneapolis, United States) • Full-Time • Senior
C++
JavaScript
Python
Rust
SQL
TypeScript
C++
DirectX
OpenGL
AI/ML
AI Agents
DevOps
Docker
Git
Jenkins
Kubernetes
Apply
Open 146 daysVerified live · 4 hours ago 5 months ago

Software Engineer - DER Integration (IoT / Energy Systems)

$20k – $83k per year (Estimated) • Remote (India) • Full-Time
C#
C#
ASP.NET Core
Databases
Apache Kafka
PostgreSQL
RabbitMQ
AI/ML
Time Series Forecasting
DevOps
Azure
Kubernetes
IoT
MQTT
Apply
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Kahoot!

kahoot.com
Making learning awesome! Our values: We are playful Play is the first language we learn. It's how we discover the world and understand our place in it. When we make learning fun, we make it engaging for everyone.
kahoot.com • Oslo • Wrocław • London • Copenhagen • Paris • Financial Services • Education • 501-1000 employees
Oslo • Wrocław • London • Copenhagen • Paris • Financial Services • Education • 501-1000 employees
2 months ago

Web Developer

$96k – $319k per year (Estimated)In office (Singapore) • Visa sponsorship • Bachelor's Degree
JavaScript
PHP
PHP
WordPress
Analytics
A/B Testing
Apply
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Delaware Nation Industries

delawarenationindustries.com
Delaware Nation Industries (DNI) is a family of tribally owned technology and government contracting companies operating under the economic development umbrella of the Delaware Nation. Based in Oklahoma, the organization holds SBA 8(a) and HUBZone certifications to deliver enterprise IT, cybersecurity, engineering, research and development, and professional services to defense and federal civilian agencies.
delawarenationindustries.com • HQ: Arlington, United States • Government
HQ: Arlington, United States • Government
Verified live · 2 hours ago 2 months ago

Chief Enterprise Architect

$111k – $222k per year (Estimated) • Executive • In office (Washington, United States) • Architect
AWS
Azure
GCP
Apply
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AccuWeather

accuweather.com
AccuWeather is a weather forecasting and media company headquartered in State College, Pennsylvania, and founded in 1962 by Joel Myers. The company produces forecasts, severe weather warnings, and long range outlooks that it distributes through its own apps and website, a television network, and data feeds licensed to broadcasters and businesses. It sells enterprise forecasting to sectors where weather drives operational risk, including aviation, energy, retail, insurance, and logistics.
accuweather.com • HQ: State College, United States • Broadcasting • Analytics Platforms • Digital Media • Media & Entertainment • Data & Analytics • Science & Engineering • Environmental Science • Est. 1962
HQ: State College, United States • Broadcasting • Analytics Platforms • Digital Media • Media & Entertainment • Data & Analytics • Science & Engineering • Environmental Science • Est. 1962
2 months ago

Software Developer III

$105k – $192k per year (Estimated) • Middle • 5+ years expState College • Remote (United States) • Bachelor's Degree • Middle
Java
Scala
SQL
Databases
MS SQL
DevOps
AWS
Azure
GCP
Apply
2 months ago

Software Developer II

Middle • 3+ years expState College • Remote (United States, Panama) • Bachelor's Degree • Middle
Java
Scala
SQL
Databases
MS SQL
DevOps
AWS
Azure
GCP
Apply
Middle • 5+ years expState College • Remote (United States, Panama) • Middle
Python
DevOps
Azure
Apply
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Clarium

clarium.com
clarium.com • New York • Information Technology
New York • Information Technology
$140k – $190k per year • Equity • Senior • 5+ years expNew York • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
Python
SQL
TypeScript
JavaScript
Python
FastAPI
Frontend
React.js
DevOps
AWS
Apply
Verified live · 1 hour ago 2 months ago

Senior Fullstack Engineer

$140k – $190k per year • Equity • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
Python
SQL
TypeScript
JavaScript
Python
FastAPI
Frontend
React.js
DevOps
AWS
Apply
Open 216 daysVerified live · 1 hour ago 8 months ago

Forward Deployed Engineer (Data)

$130k – $150k per year • Equity • Middle • 4+ years exp • Remote (United States) • Full-Time • Middle
Python
SQL
DevOps
AWS
CI/CD
Analytics
ETL/ELT
Apply
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LGI Healthcare Solutions

lgihealthcare.com
LGI Healthcare Solutions is a Canadian developer of healthcare IT solutions, specializing in software for hospital operations, workforce management, and clinical workflows. The company provides specialized tools for staff scheduling, surgical suite management, payroll, and patient flow optimization. By streamlining administrative and operational tasks, its software helps healthcare institutions improve resource allocation, reduce operational costs, and enhance patient care delivery.
lgihealthcare.com • HQ: Montreal, Canada • Health Care
HQ: Montreal, Canada • Health Care
$86k – $188k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Montreal, Canada) • Full-Time • Senior • French: C1
C#
Java
TypeScript
JavaScript
C#
.NET
AI/ML
Claude
Claude Code
Copilot
Frontend
Angular
DevOps
Kubernetes
GitHub
Apply
Report

Optimile

optimile.com
optimile.com • Ghent • Transportation & Logistics • Energy & Utilities • EV Charging
Ghent • Transportation & Logistics • Energy & Utilities • EV Charging
Remote/Hybrid (Ghent, Belgium) • Visa sponsorship • Bachelor's Degree • Internship • Dutch: C1
Python
JavaScript
TypeScript
Python
Django
Databases
PostgreSQL
RabbitMQ
Apply
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Schreder

schreder.com
Based out of Brussels, Belgium, Schréder is a worldwide leader in intelligent outdoor lighting solutions. The company, founded in 1907, is present in over 70 countries spanning 5 continents. Our tradition of engineering means we have been at the f...
schreder.com • Brussels • Ternopil • Lisbon • Portland • Liège • Smart City • Hardware • Lighting
Brussels • Ternopil • Lisbon • Portland • Liège • Smart City • Hardware • Lighting
2 months ago

Fullstack Developer

Brussels • Remote (Belgium) • Visa sponsorship • Master's Degree
JavaScript
Node JS
SQL
TypeScript
C#
C#
.NET
Databases
Azure Cosmos DB
MySQL
PostgreSQL
Frontend
Angular
GraphQL
React.js
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
GitHub
GitLab
Apply
Verified live · 12 hours ago 2 months ago

Fullstack Developer

$42k – $85k per year (Estimated)Remote/Hybrid (Lisbon, Portugal) • Full-Time • Junior
JavaScript
Node JS
SQL
TypeScript
C#
C#
.NET
Databases
Azure Cosmos DB
MySQL
PostgreSQL
Frontend
Angular
GraphQL
React.js
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
GitHub
GitLab
Apply
Report

McKesson

mckesson.com
Together with our customers and partners, we are creating a sustainable future for health care. And working to improve patient care in every setting - one product, one partner, one patient at a time.
mckesson.com • Mississauga • Dallas • Irving • Cork • Supply Chain • Health Care • Pharmaceuticals
Mississauga • Dallas • Irving • Cork • Supply Chain • Health Care • Pharmaceuticals
$106k per year • Middle • 4+ years expRemote/Hybrid (Dallas, United States) • Relocation • Visa sponsorship • Bachelor's Degree • Full-Time • Middle
JavaScript
SQL
TypeScript
Java
Java
Gradle
Maven
Spring Boot
Apache Camel
Databases
Apache Kafka
PostgreSQL
AI/ML
Claude
Copilot
Windsurf
Frontend
React.js
DevOps
ArgoCD
Azure
CI/CD
Docker
Git
GitHub Actions
Helm
JFrog Artifactory
Kubernetes
GitHub
Dynatrace
Splunk
Cybersecurity
HIPAA
Okta
Apply
$88k per year • Junior • 2+ years exp • Remote (United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Junior
Groovy
Java
JavaScript
Java
Micronaut
Databases
Apache Kafka
ElasticSearch
Frontend
Vue.js
Apply
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Toyota

toyota.com
Toyota is a Japanese carmaker founded in 1937 by Kiichiro Toyoda as a spin-off from his father's loom works, and it has been the largest vehicle manufacturer in the world by volume for most of the past two decades. Its production system, built on just-in-time supply and continuous improvement, became the template studied by manufacturers in every industry. The company took an early and long-held bet on hybrid powertrains with the Prius, sells the premium Lexus brand, is pursuing hydrogen fuel cells alongside battery electric vehicles, and is building the Woven City test environment near Mount Fuji to trial connected mobility technology.
toyota.com • HQ: Toyota, Japan • Smart Mobility • Transportation & Logistics • Alternative Fuels • Hydrogen Energy • Manufacturing • Autonomous Driving • Automotive Manufacturing • 5000+ employees • Est. 1937
HQ: Toyota, Japan • Smart Mobility • Transportation & Logistics • Alternative Fuels • Hydrogen Energy • Manufacturing • Autonomous Driving • Automotive Manufacturing • 5000+ employees • Est. 1937
$139k – $231k per year (Estimated) • Senior • 5+ years expPlano • Remote (United States) • Relocation • Visa sponsorship • Master's Degree • Senior
Java
Kotlin
Apex
JavaScript
Java
Spring Boot
Apex
MuleSoft
Databases
Apache Kafka
Frontend
Next.js
React.js
DevOps
AWS
Twelve-Factor App
Amazon Kinesis
API Gateway
Apply
Report

Unmind

unmind.com
Unmind provides a B2B mental health platform that delivers clinically-backed tools and training for organisations. Unmind is based out of London, United Kingdom.
unmind.com • London • Health Care • Mental Health
London • Health Care • Mental Health
2 months ago

Technical Lead

$95k – $190k per year (Estimated) • Lead • London • Remote (United Kingdom) • Visa sponsorship • Bachelor's Degree • Staff
Go
Node JS
Python
SQL
TypeScript
JavaScript
AI/ML
Claude
Claude Code
Frontend
GraphQL
React.js
Apply
Verified live · 1 day ago 2 months ago

Technical Lead

$121k – $155k per year • Lead • Remote/Hybrid (London, United Kingdom) • Full-Time • Staff
Go
JavaScript
Node JS
Python
SQL
TypeScript
AI/ML
Claude
Claude Code
Frontend
GraphQL
React.js
Apply
Report

Morpho

morpho.org
Morpho is a decentralised lending protocol founded in 2021 by a team based in Paris. It replaces monolithic lending pools with minimal, immutable markets that anyone can configure, layering curated vaults on top for passive depositors. The protocol is used by fintech applications and exchanges to embed crypto-backed lending without operating their own credit infrastructure.
morpho.org • HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
Verified live · 12 hours ago 2 months ago

Technical Lead, Infrastructure

$142k – $284k per year (Estimated) • Lead • 8+ years expNew York • Remote (United States) • Full-Time • Staff
AWS
CI/CD
GitOps
Kubernetes
Platform Engineering
IAM
Cybersecurity
Zero Trust
Web3
DeFi
Morpho
Robotics
Apollo
Apply
Open 120 daysVerified live · 12 hours ago 4 months ago

Senior Protocol Engineer (Verification)

$52k – $102k per year (Estimated) • Senior • 3+ years expParis • Remote (France) • Master's Degree • Full-Time • Senior
Solidity
Solidity
Certora
Web3
DeFi
Ethereum
Morpho
Smart Contracts
Apply
Open 154 daysVerified live · 12 hours ago 5 months ago

Staff Backend Engineer

$75k – $157k per year (Estimated) • Staff+ • 10+ years expParis • Remote (Europe) • Full-Time • Staff
TypeScript
Databases
PostgreSQL
Frontend
GraphQL
Web3
DeFi
Morpho
Apply
Report

ZayZoon

zayzoon.com
On-demand pay and engagement for deskless workplaces. Fast, simple activation with 300+ payroll and HCM integrations. No cost for employers.
zayzoon.com • Calgary • Edmonton • Toronto • Vancouver • Winnipeg • Personal Finance • Human Resources • Est. 2014
Calgary • Edmonton • Toronto • Vancouver • Winnipeg • Personal Finance • Human Resources • Est. 2014
2 months ago

Senior Developer

$98k – $192k per year (Estimated) • Senior • 4+ years expCalgaryOrlandoEdmontonScottsdalePittsburgh • Remote (United States, Canada) • Full-Time • Senior
JavaScript
Ruby
SQL
Ruby
Ruby on Rails
Frontend
React.js
Mobile
MVP
React Native
DevOps
Git
GitHub
Management
Jira
Apply
3 months ago

Staff Engineer

$133k – $233k per year (Estimated) • Staff+ • 6+ years expCalgaryOrlandoEdmontonScottsdalePittsburgh • Remote (United States, Canada) • Full-Time • Staff
Ruby
SQL
Ruby
Ruby on Rails
DevOps
AWS
Cybersecurity
SOC 2
Analytics
ETL/ELT
Apply
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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.