Senior Backend Developer Jobs

Senior Backend Developer jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $188,902/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

MCG Health

mcg.com
Our Mission: We lead the healthcare community to deliver patient-focused care. Our Vision: Everyone gets the right care.
mcg.com • Seattle • Health Care
Seattle • Health Care
Verified live · 5 hours ago 26 days ago

Senior Software Development Engineer

Senior • 5+ years expRemote/Hybrid • Senior
Go
Python
DevOps
Kubernetes
Apply
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Lightning AI

lightning.ai
Lightning AI is an artificial intelligence technology company headquartered in New York City, New York, and established in 2019. The organization provides a unified platform and the open-source PyTorch Lightning framework to facilitate the building, training, and deployment of machine learning models. It operates globally by offering scalable cloud infrastructure and development tools to individual researchers and enterprise teams across various industries.
lightning.ai • HQ: New York, United States • Cloud Management • Software • Cloud Computing • Information Technology • MLOps • Machine Learning • Artificial Intelligence • Est. 2019
HQ: New York, United States • Cloud Management • Software • Cloud Computing • Information Technology • MLOps • Machine Learning • Artificial Intelligence • Est. 2019
Verified live · 2 hours ago 26 days ago

Senior Software Engineer, Training & Experimentation

$95k – $172k per year (Estimated) • Equity • Senior • Remote/Hybrid (London, United Kingdom) • Visa sponsorship • Senior
Go
Python
Rust
AI/ML
AI Agents
Fine-tuning
PyTorch
PyTorch Lightning
Function Calling
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Platform Engineering
Apply
Verified live · 2 hours ago 26 days ago

Senior Software Engineer, Core Platform

$94k – $170k per year (Estimated) • Equity • Senior • Remote/Hybrid (London, United Kingdom) • Visa sponsorship • Senior
Go
Python
Rust
AI/ML
PyTorch
PyTorch Lightning
Google AI Studio
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Apply
Verified live · 2 hours ago 26 days ago

Senior Software Engineer, Agents

$95k – $171k per year (Estimated) • Equity • Senior • Remote/Hybrid (London, United Kingdom) • Visa sponsorship • Senior
Go
Python
Rust
AI/ML
AI Agents
PyTorch
PyTorch Lightning
Function Calling
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Platform Engineering
Apply
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Headquartered in Seattle, Washington, the Allen Institute for AI (AI2) is a non-profit research institute founded by Microsoft co-founder Paul Allen to conduct high-impact artificial intelligence research and engineering in the public interest. The organization focuses on advancing open science, developing large-scale natural language processing models, and building foundational AI systems for scientific discovery and environmental conservation. Additionally, it freely releases its datasets, open-source models, and research papers, alongside creating tools like Semantic Scholar to accelerate global scientific research.
allenai.org • HQ: Seattle, United States • Science & Engineering • Machine Learning • Artificial Intelligence
HQ: Seattle, United States • Science & Engineering • Machine Learning • Artificial Intelligence
Top 25% payVerified live · 4 hours ago 26 days ago

Senior Software Engineer, Agent Platform (AI for the Planet)

$147k – $220k per year • Senior • 8+ years expIn office (Seattle, United States) • Internship • Senior
AI Agents
LLM
Function Calling
Apply
Open 123 daysVerified live · 4 hours ago 4 months ago

Senior Software Engineer, Fullstack

$126k – $189k per year • Senior • 8+ years expIn office (Seattle, United States) • Bachelor's Degree • Contractor • Senior
JavaScript
Python
AI/ML
Prompt Engineering
AI Agents
Frontend
React.js
DevOps
AWS
Datadog
GCP
Apply
Open 123 daysVerified live · 4 hours ago 4 months ago

Senior Software Engineer, Agent Frameworks

$126k – $189k per year • Senior • 8+ years expIn office (Seattle, United States) • Bachelor's Degree • Internship • Senior
Python
AI/ML
AI Agents
DevOps
AWS
GCP
Apply
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Mattermost

mattermost.com
Mattermost is an open source collaboration platform company headquartered in Palo Alto, California, and founded in 2016. The company develops a self-hosted messaging, workflow, and incident response product that organizations run inside their own infrastructure instead of a public cloud service. It focuses on defense, government, and security conscious technology customers that need full control over where their operational data resides.
mattermost.com • HQ: Palo Alto, United States • Project Management • DevOps • Information Technology • Information Security • Communication & Collaboration • Software • Cybersecurity • Est. 2016
HQ: Palo Alto, United States • Project Management • DevOps • Information Technology • Information Security • Communication & Collaboration • Software • Cybersecurity • Est. 2016
Verified live · 1 hour ago 26 days ago

Senior Full Stack Engineer

$98k – $192k per year (Estimated) • Senior • Toronto • Remote (Canada) • Senior
Go
TypeScript
JavaScript
Databases
PostgreSQL
Redis
AI/ML
Claude
Claude Code
Copilot
Cursor
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
WebSockets
Apply
Verified live · 1 hour ago 26 days ago

Senior Full Stack Engineer

$143k – $173k per year • Senior • Remote (United States) • Senior
Go
TypeScript
JavaScript
Databases
PostgreSQL
Redis
AI/ML
Claude
Claude Code
Copilot
Cursor
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
WebSockets
Apply
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Foresight Labs

foresight-labs.com
Foresight Labs is a software company building AI-powered technology products for the healthcare sector to empower hospitals across the United States to automate and streamline workflow and administration.
foresight-labs.com • Bengaluru • Digital Health • Health Care • Artificial Intelligence • Est. 2023
Bengaluru • Digital Health • Health Care • Artificial Intelligence • Est. 2023
26 days ago

Founding Engineer

$27k – $67k per year (Estimated) • Senior • 5+ years expBengaluru • Remote (India) • Senior
JavaScript
Python
TypeScript
Python
Django
Flask
Databases
PostgreSQL
Pinecone
Redis
Weaviate
AI/ML
LLM
RAG
Anthropic
OCR
OpenAI
Frontend
GraphQL
Material UI
Next.js
React.js
Redux
Tailwind CSS
React Query
Mobile
State Management
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
WebSockets
Apply
Report

Alloy

alloy.com
Alloy provides identity decisioning infrastructure for banks and fintech companies. Its platform orchestrates dozens of data vendors to automate onboarding, fraud checks and ongoing monitoring. Compliance teams configure rules without engineering work through a visual policy builder.
alloy.com • HQ: New York, United States • Human Resources • Financial Services • Artificial Intelligence • Est. 2015
HQ: New York, United States • Human Resources • Financial Services • Artificial Intelligence • Est. 2015
Top 25% payVerified live · 5 hours ago 26 days ago

Senior Software Engineer, Product

$166k – $209k per year • Equity • Senior • 5+ years expRemote/Hybrid (New York, United States) • Senior
Go
Node JS
SQL
TypeScript
JavaScript
Databases
OpenSearch
PostgreSQL
ElasticSearch
AI/ML
AWS Bedrock
Frontend
React.js
DevOps
AWS
SLI/SLO/SLA
Apply
Top 25% payVerified live · 5 hours ago 3 months ago

Founding Forward Deployed Engineer

$166k – $250k per year • Equity • Senior • 5+ years expRemote/Hybrid (New York, United States) • Senior
Go
JavaScript
Node JS
Python
TypeScript
Python
Django
Databases
OpenSearch
PostgreSQL
AI/ML
Scale AI
Frontend
React.js
DevOps
AWS
Apply
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Verivox

verivox.de
Stressfrei sparen dank VERIVOX - Ihr unabhängiges Vergleichsportal! Tarife für Strom, Gas, DSL, Mobilfunk, Kredit, Kfz-Versicherung & mehr vergleichen!
verivox.de • Heidelberg • Berlin • Cybersecurity • ISP • Financial Services
Heidelberg • Berlin • Cybersecurity • ISP • Financial Services
Verified live · 2 hours ago 26 days ago

Senior Fullstack Engineer (m/f/d)

$69k – $142k per year (Estimated) • Senior • 6+ years expBerlin • Remote (Germany) • Full-Time • Senior • German: C1 (Optional)
Node JS
TypeScript
JavaScript
Node JS
Nest.JS
Databases
PostgreSQL
Redis
Frontend
Angular
RxJS
Sass
DevOps
CI/CD
Docker
Kubernetes
Design
Figma
QA
Jest
Apply
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Rossum

rossum.ai
Automate complex transactional workflows with Rossum’s AI document processing solution. Reduce manual tasks, increase accuracy, drive efficiency.
rossum.ai • Prague • LLM & Generative AI • AI Agents • Artificial Intelligence
Prague • LLM & Generative AI • AI Agents • Artificial Intelligence
Verified live · 11 hours ago 26 days ago

Senior Backend Engineer (Integrations)

Senior • In office (Prague, Czech Republic) • Full-Time • Senior
Edge AI
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Coda

coda.io
Coda started in 2014 with a simple observation: In a world full of pre-built tools and applications, why do documents and spreadsheets seem to run the world? The founding Coda team crossed paths at Google, YouTube, and Microsoft, where they saw th...
coda.io • Dubai • Jakarta • Amsterdam • Bangkok • Manila • Coworking & Shared Office • Operating Systems • Software
Dubai • Jakarta • Amsterdam • Bangkok • Manila • Coworking & Shared Office • Operating Systems • Software
Verified live · 8 hours ago 26 days ago

PHP Developer

$54k – $131k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Eindhoven, Netherlands) • Full-Time • Senior
PHP
PHP
Laravel
Apply
Verified live · 8 hours ago 2 months ago

Senior Fullstack Engineer

$74k – $179k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (Amsterdam, Netherlands) • Full-Time • Senior
TypeScript
Node JS
JavaScript
Node JS
Nest.JS
Frontend
GraphQL
Next.js
React.js
DevOps
AWS
CI/CD
Datadog
GitHub Actions
Grafana
GitHub
QA
Cypress
Jest
Playwright
Apply
Open 116 daysVerified live · 8 hours ago 4 months ago

Senior Software Engineer, Full Stack

Senior • 5+ years expRemote/Hybrid (Bangkok, Thailand) • Bachelor's Degree • Full-Time • Senior
C++
Go
Java
Kotlin
Node JS
Python
Rust
Scala
TypeScript
JavaScript
Node JS
Fastify
Nest.JS
Frontend
GraphQL
Next.js
React.js
DevOps
CI/CD
Apply
Report

Human Powered Health

humanpoweredhealth.com
Human Powered Health is a wellness and fitness company delivering advanced health optimization, longevity, and athletic performance services through physiological testing and data-driven insights.
humanpoweredhealth.com • Hyderabad • Fitness • Wellness • Lifestyle • Est. 2023
Hyderabad • Fitness • Wellness • Lifestyle • Est. 2023
Senior • 8+ years expIn office (Hyderabad, Pakistan) • Senior
Python
Python
FastAPI
Flask
SQLAlchemy
Databases
MySQL
PostgreSQL
DevOps
Docker
GCP
Git
Kubernetes
Rest API
QA
Swagger
Apply
Report

Innovecs

innovecs.com
Innovecs is a Ukrainian software company founded in 2011 and headquartered in Kyiv. It builds digital products for gaming, logistics and healthcare clients. The company operates delivery centres across several countries.
innovecs.com • HQ: Kyiv, Ukraine • Information Technology • Data & Analytics • Artificial Intelligence • Est. 2011
HQ: Kyiv, Ukraine • Information Technology • Data & Analytics • Artificial Intelligence • Est. 2011
Verified live · 2 days ago 27 days ago

Senior Full Stack Engineer (Node.js/React)

Senior • Remote (Ukraine) • Senior
Node JS
JavaScript
Frontend
React.js
Apply
Senior • Remote (Ukraine) • Senior
PHP
Apply
Verified live · 2 days ago 2 months ago

Senior Back-End Engineer (C#, project assignment)

Senior • Remote (Poland, Romania, Spain, Ukraine) • Senior
C#
Apply
Report

GetYourGuide

getyourguide.careers
GetYourGuide is an online marketplace and travel technology platform for booking tours, excursions, museum tickets, and local travel experiences globally. Headquartered in Berlin, Germany, the company connects travelers with local tour operators and attraction providers. The platform aggregates over 100,000 activities across thousands of destinations, offering digital ticketing, supplier management tools, dynamic pricing engines, and personalized recommendations.
getyourguide.careers • HQ: Berlin, Germany • Artificial Intelligence • Analytics Platforms • Data & Analytics • Est. 2009
HQ: Berlin, Germany • Artificial Intelligence • Analytics Platforms • Data & Analytics • Est. 2009
Verified live · 1 hour ago 27 days ago

Senior Software Engineer (Backend focused) - Supply

$74k – $148k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (Berlin, Germany) • Senior • English
Java
Node JS
PHP
JavaScript
Java
Spring Boot
Databases
Apache Kafka
MySQL
PostgreSQL
Frontend
GraphQL
Sass
Vue.js
DevOps
Kubernetes
Analytics
A/B Testing
Apply
$102k – $191k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (Zurich, Switzerland) • Senior • English
Java
Java
Spring Boot
Frontend
GraphQL
DevOps
CI/CD
SLI/SLO/SLA
Apply
Open 442 daysVerified live · 1 hour ago 1 year ago

Senior Software Engineer, GraphQL - API Platform

$76k – $152k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Berlin, Germany) • Senior • English
Go
Java
Node JS
JavaScript
Frontend
GraphQL
DevOps
SLI/SLO/SLA
Apply
Report

Corti

corti.ai
Corti is the AI platform for healthcare developers — APIs for speech-to-text, medical coding, and clinical documentation. HIPAA-ready. Ship in days.
corti.ai • Copenhagen • New York • Conversational AI • Medical AI • Artificial Intelligence • Est. 2016
Copenhagen • New York • Conversational AI • Medical AI • Artificial Intelligence • Est. 2016
Verified live · 9 hours ago 27 days ago

Senior Backend Engineer, Agents and Speech Recognition

Senior • In office (Copenhagen, Denmark) • Full-Time • Senior
Go
AI/ML
Speech Recognition
Frontend
GraphQL
DevOps
WebSockets
Apply
Open 113 daysVerified live · 9 hours ago 4 months ago

Senior Backend Engineer, Audio Processing

Senior • In office (Copenhagen, Denmark) • Master's Degree • Full-Time • Senior
Go
Databases
Apache Kafka
CockroachDB
DevOps
gRPC
Platform Engineering
WebRTC
WebSockets
Apply
Report

Sitecore

sitecore.com
Sitecore is a Danish software company founded in 2001 and headquartered in Copenhagen. Its digital experience platform combines content management, commerce and personalisation for large brands. The product is used by thousands of enterprises worldwide.
sitecore.com • HQ: Copenhagen, Denmark • Software • Content Management Systems (CMS) • Artificial Intelligence • Est. 2001
HQ: Copenhagen, Denmark • Software • Content Management Systems (CMS) • Artificial Intelligence • Est. 2001
Verified live · 11 hours ago 27 days ago

Senior Software Engineer

Senior • 6+ years expIn office (Kuala Lumpur, Malaysia) • Full-Time • Senior • English
C#
SQL
C#
.NET
Databases
Azure Cosmos DB
AI/ML
Copilot
AI Agents
Frontend
GraphQL
DevOps
Azure
CI/CD
Docker
Git
Kubernetes
GitHub
Apply
Report

In The Pocket

inthepocket.com
In The Pocket is a Belgian product studio founded in 2010 and headquartered in Ghent. It designs and builds digital products and connected devices for large European companies. The company combines strategy, design and engineering under one roof.
inthepocket.com • HQ: Ghent, Belgium • Data Science • Digital Goods • Est. 2010
HQ: Ghent, Belgium • Data Science • Digital Goods • Est. 2010
Verified live · 5 hours ago 27 days ago

Senior C# Back-End Engineer

Senior • 8+ years expIn office • Bachelor's Degree • Internship • Senior • English
C#
C#
.NET
Databases
Apache Kafka
ElasticSearch
InfluxDB
RabbitMQ
Redis
AI/ML
ChatGPT
Copilot
Cursor
Mobile
Clean Architecture
DevOps
Azure
Docker
GCP
Terraform
CI/CD
Apply
Report

Rocket Firm

rocketfirm.com
Rocket Firm is a Central Asian IT production company and software development group specializing in custom digital engineering, product design, and IT outsourcing. Operating through specialized business units - including its digital product arm Rocket Tech - the company develops both white-label and custom software solutions tailored for fintech, e-commerce, gov-tech, and industrial sectors.
rocketfirm.com • Almaty • IT Outsourcing
Almaty • IT Outsourcing
Verified live · 1 day ago 27 days ago

Senior Java-разработчик

$18k – $49k per year (Estimated) • Senior • Almaty • Remote (EAEU) • Full-Time • Senior • Russian: C1
Java
SQL
Java
Hibernate
Spring Boot
Spring Framework
Databases
Apache Kafka
PostgreSQL
DevOps
Docker
Git
Jenkins
Kubernetes
Cybersecurity
SonarQube
QA
Swagger
Apply
Report
MEDFAR Clinical Solutions is a Canadian health technology company based in Montreal that specializes in cloud-based Electronic Medical Record (EMR) and practice management software. Its flagship platform, MYLE (Modular Yet Leading Edge), provides an integrated clinical solution designed to streamline workflows for physicians, nurses, and administrative staff.
medfar.com • HQ: Montreal, Canada • Health Care • Digital Health
HQ: Montreal, Canada • Health Care • Digital Health
$94k – $184k per year (Estimated) • Senior • 7+ years expMontreal • Remote (Canada) • Bachelor's Degree • Full-Time • Senior • French: C1
C#
PowerShell
SQL
JavaScript
C#
.NET
Databases
ElasticSearch
Frontend
React.js
Mobile
React Native
DevOps
Azure
Azure DevOps
Terraform
Cybersecurity
HIPAA
Management
Confluence
Jira
Apply
Report

NearForm

nearform.com
NearForm is an Irish software company founded in 2011 and headquartered near Waterford. It builds digital products and open source platforms for international clients. The company led the development of several national contact tracing apps.
nearform.com • HQ: Waterford, Ireland • AI Agents • Digital Goods • Artificial Intelligence • Est. 2011
HQ: Waterford, Ireland • AI Agents • Digital Goods • Artificial Intelligence • Est. 2011
Verified live · 4 hours ago 27 days ago

Forward Deployed Engineer

$48k – $96k per year (Estimated) • Senior • 8+ years exp • Remote (Italy) • Full-Time • Staff
Python
JavaScript
Go
AI/ML
AutoGen
CrewAI
LangGraph
LLM
RAG
LangChain
AI Agents
Function Calling
Frontend
React.js
DevOps
Kubernetes
Apply
Verified live · 4 hours ago 2 months ago

Senior Software Engineer - Golang

$62k – $96k per year (Estimated) • Senior • 6+ years exp • Remote (Poland) • Full-Time • Senior • English: C1
Go
JavaScript
Python
Frontend
Next.js
React.js
DevOps
Git
Apply
Open 159 daysVerified live · 4 hours ago 6 months ago

Senior Software Engineer - Python

$61k – $96k per year (Estimated) • Senior • In office • Full-Time • Senior • English: C1
Python
SQL
Databases
PostgreSQL
AI/ML
AI Agents
AutoGen
LangChain
PyTorch
Scikit-learn
TensorFlow
DevOps
Git
Apply
Report

Allegro

allegro.tech
Allegro Tech is the technology and engineering arm behind Allegro, Poland's premier e-commerce platform and one of Europe's largest digital marketplaces. The organization designs, builds, and maintains high-load, scalable microservices architectures that support millions of daily transactions and active users. Through open-source contributions, technical publications, and industry conferences, the company actively shares its expertise in software engineering, machine learning, and cloud infrastructure with the global developer community.
allegro.tech • HQ: Poznań, Poland • E-commerce Platforms • Commerce • Marketplaces • 5000+ employees
HQ: Poznań, Poland • E-commerce Platforms • Commerce • Marketplaces • 5000+ employees
$60k – $83k per year • Equity • Senior • 5+ years expRemote/Hybrid (Toruń, Poland) • Full-Time • Senior
Java
Kotlin
AI/ML
LLM
Mobile
Reactive Programming
DevOps
GCP
Consul
Docker
GitHub Actions
Kubernetes
Service Mesh
GitHub
Apply
$60k – $83k per year • Equity • Senior • Remote/Hybrid (Poznań, Poland) • Full-Time • Senior
Kotlin
Python
Databases
Google BigQuery
AI/ML
Spark
DevOps
GCP
Consul
Docker
GitHub Actions
Kubernetes
Service Mesh
GitHub
Apply
$62k – $97k per year (Estimated) • Equity • Senior • 4+ years expRemote/Hybrid (Warsaw, Poland) • Full-Time • Senior
Python
SQL
Databases
Google BigQuery
PostGIS
PostgreSQL
DevOps
CI/CD
Consul
Docker
GCP
GitHub Actions
Kubernetes
Service Mesh
Terraform
GitHub
Apply
Report

Omnisend

omnisend.com
Omnisend helps ecommerce brands grow with Email & SMS marketing for Shopify, WooCommerce, and more—returning $79 for every $1 spent.
omnisend.com • Vilnius • Charleston • E-commerce Marketing • Sales & Marketing • Email Marketing
Vilnius • Charleston • E-commerce Marketing • Sales & Marketing • Email Marketing
$83k per year (gross) • Senior • 5+ years expRemote/Hybrid (Vilnius, Lithuania) • Full-Time • Senior
Go
JavaScript
AI/ML
LLM
Frontend
React.js
DevOps
GCP
Apply
Report
Senior Backend Developer Jobs
Frequently asked questions
How many Senior Backend Developer jobs are available on Alion?
There are currently 10276 active listings from 2892 hiring companies on Alion, refreshed daily.
What salary do Senior Backend Developer jobs pay?
The average salary is around $188,902 per year based on the current listings.
Are remote options available for Senior 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 Senior Backend Developer jobs?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.