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

3Pillar Global
3pillar.ai
3Pillar Global is an international digital product development firm that partners with tech-forward companies to build custom software, web applications, and mobile platforms. The company combines product strategy, engineering, and user experience design to turn client concepts into scalable, revenue-generating digital products. Operating with global delivery centers, it delivers full-lifecycle product development to clients across media, healthcare, finance, and consumer sectors.
3pillar.ai • HQ: Washington, United States • Software • Information Technology • Artificial Intelligence • 1001-5000 employees
HQ: Washington, United States • Software • Information Technology • Artificial Intelligence • 1001-5000 employees
Verified live · 1 hour ago 4 days ago

Senior Full-Stack Software Engineer (Python / React)
Senior • Remote (Moldova) • Full-Time • Senior • English
Python
JavaScript
Python
Flask
Databases
Snowflake
AI/ML
Airflow
Claude
Claude Code
Copilot
Cursor
A2A
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
AWS
Azure AKS
Docker
Git
Kubernetes
Azure
GitHub
GitLab
Cybersecurity
Checkmarx
Snyk
QA
Pytest
Apply
Verified live · 1 hour ago 4 days ago

Senior Full-Stack Software Engineer (Python / React)
Senior • Remote (Czech Republic) • Full-Time • Senior • English
Python
JavaScript
Python
Flask
Databases
Snowflake
AI/ML
Airflow
Claude
Claude Code
Copilot
Cursor
A2A
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
AWS
Azure AKS
Docker
Git
Kubernetes
Azure
GitHub
GitLab
Cybersecurity
Checkmarx
Snyk
QA
Pytest
Apply
Verified live · 1 hour ago 4 days ago

Senior Full-Stack Software Engineer (Python / React)
≈ $32k – $40k per year (Estimated) • Senior • Remote (Romania) • Full-Time • Senior • English
Python
JavaScript
Python
Flask
Databases
Snowflake
AI/ML
Airflow
Claude
Claude Code
Copilot
Cursor
A2A
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
AWS
Azure AKS
Docker
Git
Kubernetes
Azure
GitHub
GitLab
Cybersecurity
Checkmarx
Snyk
QA
Pytest
Apply
Report

Octopus Energy
octopus.energy
Octopus Energy is a UK-based energy supplier that offers innovative smart tariffs and renewable energy solutions. Known for its award-winning customer service and commitment to a greener future, Octopus Energy provides great value for the long term with prices historically cheaper than any other large supplier. As one of Europe's leading investors in renewable energy generation, the company is highly trusted, holding a five-star customer service rating.
octopus.energy • Berlin • Milan • Verona • Cagliari • Munich • Energy Management • Solar Energy • Energy & Utilities
Berlin • Milan • Verona • Cagliari • Munich • Energy Management • Solar Energy • Energy & Utilities
Verified live · 29 min ago 4 days ago

Senior Software Engineer - AI Solutions
≈ $94k – $170k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Full-Time • Senior
Python
Python
Django
AI/ML
LLM
LLM Guardrails
Apply
$79k – $84k per year • Senior • 6+ years exp • Remote/Hybrid (Berlin, Germany) • Full-Time • Senior • German: C1
Apex
Go
Python
TypeScript
JavaScript
SQL
Python
Django
FastAPI
Flask
Databases
PostgreSQL
AI/ML
Claude
Copilot
LLM
Model Context Protocol
Frontend
Next.js
React.js
Tailwind CSS
DevOps
AWS
Docker
GitHub Actions
Rest API
Vercel
GitHub
CI/CD
Cybersecurity
Okta
Marketing
Salesforce
Apply
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Modjo
modjo.ai
Modjo is a Paris software company founded in 2019 that analyses sales conversations with speech and language models. Its platform records calls and meetings, extracts insights and feeds structured data back into customer relationship systems. European sales teams use it for coaching, forecasting and pipeline hygiene.
modjo.ai • HQ: Paris, France • Customer Relationship Management (CRM) • AI Agents • Artificial Intelligence • Est. 2019
HQ: Paris, France • Customer Relationship Management (CRM) • AI Agents • Artificial Intelligence • Est. 2019
Verified live · 1 day ago 4 days ago

Back-end engineer
Senior • 5+ years exp • In office • Full-Time • Senior • French: C1
Node JS
TypeScript
JavaScript
Node JS
Nest.JS
Databases
DynamoDB
PostgreSQL
Redis
DevOps
Terraform
Apply
Report

Continental
continental.com
Continental is a major German multinational manufacturing company best known globally as one of the world's leading tire producers for passenger, commercial, and two-wheeled vehicles. The organization also develops industrial rubber, synthetic products, and specialist components for diverse sectors like industrial engineering, agriculture, and transportation through its dedicated material solutions divisions.
continental.com • HQ: Hanover, Germany • Hardware • Mechanical Components • Manufacturing • Automotive Manufacturing • 5000+ employees
HQ: Hanover, Germany • Hardware • Mechanical Components • Manufacturing • Automotive Manufacturing • 5000+ employees
Verified live · 2 hours ago 4 days ago

(Senior) Backend Developer
≈ $44k – $113k per year (Estimated) • Senior • 3+ years exp • Remote/Hybrid (Braga, Portugal) • PhD • Full-Time • Senior • English: B2
JavaScript
TypeScript
Kotlin
Java
Kotlin
Mockito
Java
Spring Boot
Spring MVC
Spring Security
Databases
PostgreSQL
Frontend
Angular
JQuery
DevOps
CI/CD
Git
Jenkins
Cybersecurity
SonarQube
Apply
Verified live · 2 hours ago 3 months ago

Software Engineer – Data Platform
≈ $25k – $66k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (Bengaluru, India) • Bachelor's Degree • Full-Time • Senior • English
Java
Python
Scala
SQL
Python
pySpark
Databases
Databricks
AI/ML
Spark
DevOps
Azure
CI/CD
Git
Platform Engineering
Analytics
ETL/ELT
Marketing
Salesforce
Apply
Verified live · 2 hours ago 3 months ago

Software Engineer – Data Platform
≈ $25k – $66k per year (Estimated) • Senior • 5+ years exp • In office (Bengaluru, India) • Bachelor's Degree • Full-Time • Senior • English
Java
Python
Scala
SQL
Python
pySpark
Databases
Databricks
AI/ML
Spark
DevOps
Azure
CI/CD
Git
Platform Engineering
Analytics
ETL/ELT
Marketing
Salesforce
Apply
Report

Smadex
smadex.com
Smadex is a Barcelona advertising technology company founded in 2011 and specialised in mobile user acquisition. Its demand-side platform buys programmatic inventory with privacy-preserving targeting and machine learning bidding. The company belongs to Entravision and works with mobile app advertisers worldwide.
smadex.com • HQ: Barcelona, Spain • Hardware • Design & Creative • Artificial Intelligence • 51-200 employees • Est. 2011
HQ: Barcelona, Spain • Hardware • Design & Creative • Artificial Intelligence • 51-200 employees • Est. 2011
Verified live · 1 day ago 4 days ago

Mid-Senior Software Engineer - Smadex SLU
Senior • 2+ years exp • Remote/Hybrid • Bachelor's Degree • Senior • English
Java
Node JS
JavaScript
Bash
Python
Databases
Memcached
MySQL
Redis
DevOps
CI/CD
Docker
Git
AWS
Jenkins
Management
Jira
Apply
Verified live · 1 day ago 4 days ago

Senior Software Engineer (Backend) - Smadex SLU
Senior • 5+ years exp • Remote/Hybrid • Bachelor's Degree • Senior • English
Java
Node JS
JavaScript
Bash
Python
Databases
Memcached
MySQL
Redis
DevOps
CI/CD
Docker
Git
AWS
Jenkins
Management
Jira
Apply
Report

Applied Intuition
appliedintuition.com
Applied Intuition is a Silicon Valley software company founded in 2017 that develops digital infrastructure and simulation platforms for autonomous systems and physical AI. The platform provides advanced tools for simulation, synthetic data generation, and vehicle software management, allowing engineers to develop, test, and safely deploy self-driving technology. It serves leading global automotive manufacturers, defense organizations, and commercial transport companies across sectors like trucking, agriculture, and mining.
appliedintuition.com • HQ: Mountain View, United States • Smart Mobility • Manufacturing • Automotive Manufacturing • Artificial Intelligence • Autonomous Driving • 1001-5000 employees • Est. 2017
HQ: Mountain View, United States • Smart Mobility • Manufacturing • Automotive Manufacturing • Artificial Intelligence • Autonomous Driving • 1001-5000 employees • Est. 2017
Verified live · 3 hours ago 4 days ago

Software Engineer - Cloud Infrastructure
$116k – $174k per year • Senior • 5+ years exp • In office (Munich, Germany) • Bachelor's Degree • Full-Time • Senior
Bash
C++
Go
Java
Python
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Apply
Verified live · 3 hours ago 6 days ago

Software Engineer - Multi-Agent UAV Autonomy (Defense)
Equity • Senior • 5+ years exp • In office (Seoul, South Korea) • Bachelor's Degree • Full-Time • Senior • Korean: C1 (Optional)
C++
Python
AI/ML
Reinforcement Learning
AI Agents
Robotics
Reinforcement Learning
ArduPilot
Path Planning
Apply
Verified live · 3 hours ago 14 days ago

Senior Fullstack Engineer
$100k – $160k per year • Senior • 7+ years exp • In office (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
Python
TypeScript
JavaScript
Frontend
React.js
CesiumJS
Three.JS
DevOps
Docker
Kubernetes
Apply
Report

Faculty
faculty.ai
Faculty is an artificial intelligence technology company headquartered in London, United Kingdom, and founded in 2014. The firm provides services including AI strategy consulting, custom software development, and specialized talent programs to help organizations implement decision intelligence. It operates as a subsidiary of Accenture and serves a global client base across sectors such as defense, healthcare, and energy, focusing on the safe and high-performance deployment of AI solutions.
faculty.ai • HQ: London, United Kingdom • National Security • Government • Data Science • Defense AI • Machine Learning • Decision Intelligence • Data & Analytics • Artificial Intelligence • Est. 2014
HQ: London, United Kingdom • National Security • Government • Data Science • Defense AI • Machine Learning • Decision Intelligence • Data & Analytics • Artificial Intelligence • Est. 2014
Verified live · 13 min ago 4 days ago

Senior Software Engineer
≈ $94k – $171k per year (Estimated) • Senior • In office (London, United Kingdom) • Full-Time • Senior
Java
Python
Rust
TypeScript
AI/ML
Edge AI
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Apply
Verified live · 13 min ago 22 days ago

Senior Forward Deployed Engineer
≈ $95k – $172k per year (Estimated) • Senior • In office (London, United Kingdom) • Full-Time • Senior
Python
AI/ML
PyTorch
TensorFlow
Edge AI
Red Teaming
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Apply
Open 159 daysVerified live · 13 min ago 6 months ago

Senior Software Engineer
≈ $93k – $168k per year (Estimated) • Senior • Remote/Hybrid • Full-Time • Senior
C#
C++
Go
Java
Python
Rust
AI/ML
AI Agents
Edge AI
DevOps
CI/CD
Docker
GitLab CI
Kubernetes
GitLab
Apply
Report

Softronic
softronic.se
Softronic is a Swedish information technology company founded in 1984 and based in Stockholm. It develops business systems and provides managed IT services. The company is listed on Nasdaq Stockholm.
softronic.se • HQ: Stockholm, Sweden • Est. 1984
HQ: Stockholm, Sweden • Est. 1984
Verified live · 7 hours ago 4 days ago

Senior .NET-utvecklare till vårt team på Naturvårdsverket
≈ $44k – $125k per year (Estimated) • Senior • In office (Stockholm, Sweden) • Full-Time • Senior
JavaScript
C#
C#
.NET
Apply
Open 187 daysVerified live · 7 hours ago 7 months ago

Skicklig senior .Net utvecklare
≈ $45k – $128k per year (Estimated) • Senior • In office (Stockholm, Sweden) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
.NET
Frontend
Angular
Apply
Open 215 daysVerified live · 7 hours ago 8 months ago

Senior .NET utvecklare
≈ $45k – $128k per year (Estimated) • Senior • In office (Stockholm, Sweden) • Full-Time • Senior
C#
JavaScript
PowerShell
SQL
TypeScript
C#
.NET
Frontend
React.js
Storybook
Tailwind CSS
Design
Figma
Management
Jira
Apply
Report

EPSA
epsa.com
EPSA is a consulting player specializing in indirect purchases and more particularly in the world of travel .
epsa.com • Lyon • Paris • Montpellier • Rennes • Strasbourg • Food & Beverages • Bakery & Pastry
Lyon • Paris • Montpellier • Rennes • Strasbourg • Food & Beverages • Bakery & Pastry
Verified live · 1 day ago 4 days ago

Développeur Back-end Senior - Logiciel SaaS H/F
$58k – $75k per year • Senior • 8+ years exp • Remote/Hybrid (Rennes, France) • Full-Time • Senior • French: C1
JavaScript
Node JS
Python
Databases
ClickHouse
PostgreSQL
Frontend
Vue.js
DevOps
AWS
Kubernetes
Apply
Report

ERP International
erpinternational.com
ERP International is The Washington Post's 2023 Top Workplace for the fourth consecutive year, with over 15 years of experience transforming businesses. We are a trusted provider of Health, Digital, Medical Research, and Business Process Management solutions that support clients in both government and commercial sectors. We deliver comprehensive technology and business process transformation solutions to Health, Defense, National Security, and Homeland Security agencies.
erpinternational.com • Montgomery • Richardson • San Diego • Las Vegas • Panama • Information Technology • Information Security • Cybersecurity • 501-1000 employees • Est. 2006
Montgomery • Richardson • San Diego • Las Vegas • Panama • Information Technology • Information Security • Cybersecurity • 501-1000 employees • Est. 2006
Verified live · 1 day ago 4 days ago

Senior Full Stack Java REACT Developer
$130k – $160k per year • Senior • In office (Washington, United States) • Senior
Java
Java
Spring Boot
Apply
Report

XITASO GmbH
xitaso.com
Als Experte für High End Software-Engineering planen, gestalten & entwickeln wir digitale und exzellente Lösungen für Ihre Produkte, Prozesse & Plattformen.
xitaso.com • Augsburg • Munich • Leipzig • Karlsruhe • Nuremberg • Software • Data & Analytics • Artificial Intelligence
Augsburg • Munich • Leipzig • Karlsruhe • Nuremberg • Software • Data & Analytics • Artificial Intelligence
$64k – $75k per year • Senior • Remote/Hybrid • Full-Time • Senior • English: C1 • German: B2
C#
JavaScript
Rust
AI/ML
Claude
Claude Code
DevOps
GitHub
Apply
Report

Litmos
litmos.com
Litmos provides a cloud learning management system for corporate training. Its platform covers course delivery, compliance tracking and an off-the-shelf content library. Customers use it for onboarding, sales enablement and extended enterprise training.
litmos.com • HQ: San Ramon, United States • Education • Artificial Intelligence • E-learning • Est. 2007
HQ: San Ramon, United States • Education • Artificial Intelligence • E-learning • Est. 2007
Verified live · 10 hours ago 4 days ago

Senior Fullstack Software Engineer
≈ $22k – $58k per year (Estimated) • Senior • In office • Bachelor's Degree • Senior
C#
SQL
C#
.NET
AI/ML
Claude
AI Agents
Mobile
Modularization
DevOps
Azure
Azure DevOps
CI/CD
Apply
Report

Binance
binance.com
Binance is the world's largest cryptocurrency exchange by trading volume, founded in 2017 by Changpeng Zhao and Yi He. The platform offers spot, margin and derivatives trading across hundreds of digital assets, alongside staking, savings products, payments, an institutional custody arm and a self-custodial Web3 wallet. The group also created BNB Chain, one of the most used smart contract networks, and now operates under a licensed regional structure after a 2023 settlement with United States authorities that installed new leadership and compliance oversight.
binance.com • HQ: Abu Dhabi, United Arab Emirates • Mining & Staking • Crypto Payments • Web3 & dApps • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2017
HQ: Abu Dhabi, United Arab Emirates • Mining & Staking • Crypto Payments • Web3 & dApps • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2017
Verified live · 3 hours ago 4 days ago

Senior Rust Engineer （Performance engineering)
≈ $81k – $230k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid • Bachelor's Degree • Full-Time • Senior
C++
Rust
Databases
MySQL
PostgreSQL
Apply
≈ $18k – $49k per year (Estimated) • Senior • 7+ years exp • Remote (Kazakhstan) • Contractor • Senior • Kazakh • Russian
Java
SQL
Java
Spring Boot
Databases
Apache Kafka
RabbitMQ
Apply
Verified live · 3 hours ago 6 months ago

Senior Backend Developer (Java)
Senior • 5+ years exp • Hong Kong • Remote (Hong Kong, Taiwan) • Bachelor's Degree • Full-Time • Senior
Java
Python
Java
Spring Boot
Databases
Apache Kafka
MySQL
Redis
AI/ML
Claude
Claude Code
Copilot
Cursor
Apply
Report

Eyesecurity
eyesecurity.com
eyesecurity.com • Stockholm • The Hague • Berlin • Freiburg im Breisgau • Mannheim • Information Security • Cybersecurity
Stockholm • The Hague • Berlin • Freiburg im Breisgau • Mannheim • Information Security • Cybersecurity
Verified live · 5 hours ago 4 days ago

Senior Software Engineer, Agents (m/f/x)
≈ $75k – $151k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (Berlin, Germany, The Hague, Netherlands) • Full-Time • Senior • English: C1
Go
Java
PHP
TypeScript
JavaScript
AI/ML
LLM
AI Agents
Context Engineering
Function Calling
Human-in-the-Loop
LLM Guardrails
Frontend
React.js
Apply
Open 132 daysVerified live · 5 hours ago 5 months ago

Senior Software Engineer (m/f/x)
≈ $75k – $150k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (Berlin, Germany, The Hague, Netherlands) • Full-Time • Senior • English: C1
Go
Java
PHP
TypeScript
JavaScript
Frontend
React.js
Apply
Report

Broccoli AI
broccoli.com
Broccoli is a creative production and audio storytelling company that specializes in producing original podcasts, branded content, and long-form audio programs. Headquartered in London, England, the studio develops diverse narrative shows, cultural podcasts, and educational media tailored for international audiences and broadcasting partners. By prioritizing inclusive storytelling and innovative sound design, it collaborates with major streaming platforms and cultural organizations to bring authentic audio experiences to listeners globally.
broccoli.com • HQ: London, United Kingdom • Speech & Audio AI • Artificial Intelligence • Conversational AI • 51-200 employees • Est. 1995
HQ: London, United Kingdom • Speech & Audio AI • Artificial Intelligence • Conversational AI • 51-200 employees • Est. 1995
Top 25% payVerified live · 3 hours ago 4 days ago

Senior Software Engineer
$180k – $300k per year • Senior • 6+ years exp • In office (San Francisco, United States) • Full-Time • Senior
Node JS
Python
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
React.js
DevOps
Git
Apply
≈ $27k – $71k per year (Estimated) • Senior • 4+ years exp • In office (Bengaluru, India) • Senior
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Apply
Report

Feinheit AG
feinheit.ch
Wir sind Feinheit. Seit 2006 unterstützen wir unsere Kundschaft mit unserem Wissen und unserer Erfahrung.
feinheit.ch • Zurich • Design & Creative
Zurich • Design & Creative
$99k – $129k per year • Senior • Remote/Hybrid (Zurich, Switzerland) • Full-Time • Senior • German: C1
JavaScript
Python
SQL
Python
Django
DevOps
Bitbucket
GitHub
Apply
Report

Ascendion
ascendion.com
Ascendion is a software engineering solutions company that offers engineering, cloud, data, experience design, and talent solution capabilities to accelerate the digital transformation of its 2000+ global clients.
ascendion.com • Bengaluru • Vadodara • Hyderabad • Mumbai • Chennai • Science & Engineering • Artificial Intelligence • 1001-5000 employees • Est. 2022
Bengaluru • Vadodara • Hyderabad • Mumbai • Chennai • Science & Engineering • Artificial Intelligence • 1001-5000 employees • Est. 2022
Verified live · 10 hours ago 4 days ago

.NET Backend Engineer
≈ $25k – $65k per year (Estimated) • Senior • 6+ years exp • In office (Bengaluru, India) • Senior
C#
JavaScript
SQL
TypeScript
C#
.NET
Frontend
React.js
DevOps
CI/CD
Rest API
Apply
Verified live · 10 hours ago 13 days ago

senior software engineer
≈ $24k – $62k per year (Estimated) • Senior • In office (Pune, India) • Senior
Python
JavaScript
Python
FastAPI
Databases
Redis
AI/ML
AI Agents
Frontend
React.js
DevOps
Amazon EKS
AWS
Rest API
Kubernetes
Apply
Verified live · 10 hours ago 14 days ago

.NET Backend Engineer
≈ $22k – $59k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (Mumbai, India) • Senior
C#
Go
C#
.NET
Go
Dapr
Databases
Apache Kafka
MySQL
RabbitMQ
DevOps
Azure
CI/CD
Docker
Git
Kubernetes
Management
Jira
Apply
Report

Grab
grab.com
Grab Holdings is a leading Southeast Asian "super-app" technology company headquartered in Singapore. Originally founded as a ride-hailing service, Grab has expanded into a comprehensive digital ecosystem offering transportation (GrabCar, GrabBike), food and grocery delivery (GrabFood, GrabMart), and fintech services (GrabPay, digital banking, lending, and insurance). Operating across eight countries in the region, Grab connects millions of consumers with driver and merchant partners daily.
grab.com • HQ: Singapore • FinTech • Delivery • Ride Hailing • 1001-5000 employees
HQ: Singapore • FinTech • Delivery • Ride Hailing • 1001-5000 employees
Verified live · 1 hour ago 4 days ago

Senior Software Engineer, Backend - Agent Experience
Senior • 5+ years exp • In office (Ho Chi Minh City, Vietnam) • Bachelor's Degree • Full-Time • Middle • English: C1
Go
JavaScript
C#
C++
Erlang
Haskell
Java
Node JS
OCaml
PHP
Python
Ruby
Rust
Scala
Apply
Verified live · 1 hour ago 4 days ago

Senior Software Engineer, Backend
Senior • 5+ years exp • In office (Ho Chi Minh City, Vietnam) • Bachelor's Degree • Full-Time • Middle • English: C1
Go
JavaScript
C#
C++
Erlang
Haskell
Java
Node JS
OCaml
PHP
Python
Ruby
Rust
Scala
Apply
Verified live · 1 hour ago 6 days ago

Senior Software Engineer, Backend - Consumer Experience
Senior • 5+ years exp • In office (Jakarta, Indonesia) • Bachelor's Degree • Full-Time • Senior
C#
C++
Erlang
Go
Haskell
Java
Node JS
OCaml
PHP
Python
Ruby
Rust
Scala
JavaScript
Apply
Report

Arista Networks
arista.com
US headquartered Arista Networks provides software-driven cloud networking solutions for large data center, cloud computing, high-performance computing and high-frequency trading environments. Products includes Low latency switches.
arista.com • HQ: Santa Clara, United States • Telecommunications • Information Technology • Data Centers • Network Equipment • Enterprise Networks • 1001-5000 employees • Est. 2004
HQ: Santa Clara, United States • Telecommunications • Information Technology • Data Centers • Network Equipment • Enterprise Networks • 1001-5000 employees • Est. 2004
Verified live · 3 hours ago 4 days ago

Senior Software Engineer - Layer1 - C++
≈ $77k – $162k per year (Estimated) • Senior • 8+ years exp • Dublin • Remote (Ireland) • Bachelor's Degree • Full-Time • Middle • English
C++
Python
Apply
Verified live · 3 hours ago 5 days ago

Senior C++ Engineer - SONiC
≈ $33k – $41k per year (Estimated) • Senior • 2+ years exp • Bucharest • Remote (Romania) • Bachelor's Degree • Full-Time • Senior
C++
Python
Databases
Redis
DevOps
Docker
Web3
Layer 2
Apply
≈ $80k – $173k per year (Estimated) • Senior • Remote/Hybrid (Dublin, Ireland) • Contractor • Senior
C++
DevOps
Ansible
CI/CD
Self-Healing
Terraform
Apply
Report

Qualysoft
qualysoft.com
Qualysoft is an international IT services, enterprise software engineering, and digital transformation consultancy headquartered in Vienna, Austria. Founded in 1999 by Peter Oros and Martin Schwarz, the privately held firm operates across Central and Eastern Europe with office hubs in Austria, Germany, Switzerland, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia.
qualysoft.com • HQ: Vienna, Austria • Data & Analytics • Cybersecurity • Information Technology • Est. 1999
HQ: Vienna, Austria • Data & Analytics • Cybersecurity • Information Technology • Est. 1999
Verified live · 5 hours ago 4 days ago

FullStack .Net Developer (Angular)
≈ $30k – $37k per year (Estimated) • Senior • 5+ years exp • Bucharest • Remote (Romania) • Senior
C#
TypeScript
JavaScript
C#
.NET
Databases
MS SQL
Frontend
Angular
DevOps
CI/CD
Git
Rest API
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.