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

Fliff

getfliff.com
Fliff is a social sports gaming company headquartered in Austin, Texas, and founded in 2019. The company runs a mobile app where users predict sports outcomes with virtual coins that can be redeemed for cash prizes, operating under sweepstakes rules rather than a state gambling licence. It reaches users in most United States states, positioning the product as a free to play alternative to regulated sportsbooks.
getfliff.com • HQ: Austin, United States • Mobile App Development • Software • Fan Engagement • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2019
HQ: Austin, United States • Mobile App Development • Software • Fan Engagement • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2019
Verified live · 7 hours ago 2 months ago

Senior Python Engineer, Wallet

Senior • 5+ years expLimassol • Remote (Cyprus) • Contractor • Senior
Python
SQL
Go
Python
Asyncio
Django
Databases
PostgreSQL
Redis
Apache Kafka
Apply
Verified live · 7 hours ago 2 months ago

Senior Python Engineer, Wallet

Senior • 5+ years exp • Remote (Bulgaria) • Contractor • Senior
Python
SQL
Go
Python
Asyncio
Django
Databases
PostgreSQL
Redis
Apache Kafka
Apply
$139k – $230k per year (Estimated) • Senior • 5+ years expNew York • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
Python
Python
Django
DevOps
Datadog
Grafana
Amazon CloudWatch
Apply
Report

AgileEngine

agileengine.com
We build products for companies in 17+ industries - solving real problems and improving millions of lives worldwide. Here, your voice matters, your work creates impact, and your growth is part of our journey together.
agileengine.com • HQ: Sunnyvale, United States • Artificial Intelligence • Information Technology • Software
HQ: Sunnyvale, United States • Artificial Intelligence • Information Technology • Software
$64k – $88k per year • Senior • 4+ years expKraków • Remote (Poland) • Bachelor's Degree • Full-Time • Senior
Java
Kotlin
Java
Spring Boot
Kotlin
Mockito
Databases
Amazon Redshift
Mobile
JUnit
DevOps
Git
AWS
Amazon ECS
Apply
$68k – $90k per year • Senior • 5+ years expKraków • Remote (Poland) • Full-Time • Senior
Java
Node JS
Python
C#
JavaScript
Python
Django
C#
.NET
Databases
PostgreSQL
DevOps
AWS
Kubernetes
Analytics
ETL/ELT
Apply
Report

Autofixer

autofixer.com
Dlaczego warto wybrać AutoFixer?. Jesteśmy liderem innowacji w doborze części zamiennych. Zaufaj naszemu doświadczeniu.
autofixer.com • HQ: Warsaw, Poland • Automotive Manufacturing • Commerce • Retail & Shop Systems
HQ: Warsaw, Poland • Automotive Manufacturing • Commerce • Retail & Shop Systems
$58k – $83k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
SQL
C#
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
DevOps
CI/CD
GCP
GitOps
Kubernetes
OpenTelemetry
GitLab
Apply
2 months ago

Senior .Net Developer

$58k – $83k per year • Senior • In office (Warsaw, Poland) • Full-Time • Senior • Polish: C1
SQL
C#
JavaScript
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
Frontend
React.js
Next.js
DevOps
CI/CD
GCP
GitOps
Kubernetes
OpenTelemetry
GitLab
Apply
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Ubisoft

ubisoft.com
Ubisoft is a leading global video game publisher and developer headquartered in France, renowned for creating immersive interactive entertainment across consoles, PC, and mobile platforms. The company maintains an extensive network of development studios worldwide responsible for iconic franchises such as Assassin’s Creed, Far Cry, Tom Clancy’s Rainbow Six, Just Dance, and Rayman.
ubisoft.com • HQ: Saint-Mandé, France • Gaming • Console Games • PC Games • Game Development • 501-1000 employees
HQ: Saint-Mandé, France • Gaming • Console Games • PC Games • Game Development • 501-1000 employees
Verified live · 2 hours ago 2 months ago

Développeur.euse de données IA Sénior

$85k – $187k per year (Estimated) • Senior • 5+ years expIn office (Montreal, Canada) • Full-Time • Senior • French: C1
Bash
C#
Python
SQL
C#
.NET
Databases
Apache Kafka
DevOps
Rest API
Analytics
ETL/ELT
Apply
Verified live · 2 hours ago 2 months ago

Programmeur·se Senior C++ - Apprentissage automatique

$94k – $206k per year (Estimated) • Senior • 10+ years expIn office (Montreal, Canada) • High School Diploma • Full-Time • Senior • French: C1
C++
Python
AI/ML
Reinforcement Learning
Apply
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Filigran

filigran.io
Let’s build a new open approach to cybersecurity strategy and operations. Learn more about how FIligran started and our star team.
filigran.io • HQ: Paris, France • Security Operations • Cybersecurity • Threat Intelligence • 51-200 employees • Est. 2022
HQ: Paris, France • Security Operations • Cybersecurity • Threat Intelligence • 51-200 employees • Est. 2022
Verified live · 2 hours ago 2 months ago

Senior Software Engineer - OpenGRC

$51k – $98k per year (Estimated) • Senior • Remote (France) • Full-Time • Senior • French: C1
Node JS
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
React.js
Cybersecurity
OpenCTI
MITRE ATT&CK
STIX
TAXII
Apply
Verified live · 2 hours ago 2 months ago

Senior Software Engineer (python) - XTM One

$52k – $100k per year (Estimated) • Senior • Remote (France) • Full-Time • Senior • French: C1
Python
TypeScript
AI/ML
LLM
RAG
Model Context Protocol
AI Agents
DevOps
GitHub
Cybersecurity
OpenCTI
MITRE ATT&CK
STIX
TAXII
Management
Slack
Apply
$51k – $99k per year (Estimated) • Senior • 8+ years exp • Remote (Germany, France, Israel, Spain, Sweden) • Full-Time • Senior
ElasticSearch
PostgreSQL
RabbitMQ
Redis
DevOps
CI/CD
Platform Engineering
Cybersecurity
OpenCTI
Apply
Report

Workato

workato.com
Workato provides an enterprise automation platform combining integration and workflow orchestration. Business and technical teams build recipes connecting hundreds of applications. Governance controls let central teams manage automation built across departments.
workato.com • HQ: Mountain View, United States • Software • Artificial Intelligence • Middleware Software • 1001-5000 employees • Est. 2013
HQ: Mountain View, United States • Software • Artificial Intelligence • Middleware Software • 1001-5000 employees • Est. 2013
Verified live · 2 hours ago 2 months ago

Senior Software Engineer (Ruby/RoR, Chatbots & AI)

$64k – $99k per year (Estimated) • Senior • 5+ years expWarsaw • Remote (Poland, Spain) • Bachelor's Degree • Senior • English: B1
Go
Ruby
JavaScript
Ruby
Ruby on Rails
AI/ML
AI Agents
Model Context Protocol
Frontend
React.js
Management
Slack
Apply
Verified live · 2 hours ago 3 months ago

Senior Software Engineer

$143k – $237k per year (Estimated) • Senior • 5+ years expSan Francisco • Remote (United States) • Senior
Python
Python
FastAPI
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
LLM
RAG
Model Context Protocol
DevOps
Kubernetes
AWS
Apply
Verified live · 2 hours ago 3 months ago

Senior Forward Deployed Engineer

$68k – $192k per year (Estimated) • Senior • 8+ years expSydney • Remote (Australia) • Senior • English
Apex
Java
Python
Ruby
Apex
MuleSoft
AI/ML
RAG
AI Agents
Model Context Protocol
Management
ServiceNow
Marketing
Marketo
Salesforce
Apply
Report

cFive Solutions

cfive.com
cfive.com • Software • Government • Law Enforcement
Software • Government • Law Enforcement
$134k – $223k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Senior
Java
Node JS
SQL
TypeScript
JavaScript
Java
Hibernate
Maven
Databases
MariaDB
Oracle
Frontend
Angular
DevOps
CI/CD
Jenkins
QA
Selenium
Apply
Report

Echodyne Corp

echodyne.com
Defense, Security, Autonomy — Learn why Echodyne is a trusted leader, advancing radar tech that serves new applications. If ESA radar was the size of a paperback book, you would use it everywhere. Now you can. Ultra-low SWaP.
echodyne.com • Kirkland • Seattle • Washington • Robotics • Sensors • Military
Kirkland • Seattle • Washington • Robotics • Sensors • Military
Verified live · 1 hour ago 2 months ago

Sr. Software Developer in Test

$133k – $239k per year (Estimated) • Equity • Senior • 5+ years expIn office (Kirkland, United States) • Full-Time • Senior
Python
DevOps
CI/CD
Docker
Git
Jenkins
Rest API
QA
Postman
Pytest
Selenium
Apply
Verified live · 1 hour ago 2 months ago

Senior Software Engineer - IoT Platform

$140k – $252k per year (Estimated) • Equity • Senior • 3+ years expIn office (Kirkland, United States) • Full-Time • Senior
C++
Python
Rust
DevOps
AWS
AWS Lambda
Amazon Kinesis
Amazon S3
IAM
Apply
Report

JetBrains

jetbrains.com
JetBrains is a software company founded in 2000 that builds integrated development environments and team tools for professional programmers. Its IDE family covers most major languages, including IntelliJ IDEA for the Java virtual machine, PyCharm, WebStorm, GoLand, CLion and Rider, all sharing a code-intelligence engine that gave the company its reputation for refactoring and static analysis. Headquartered in Prague with development offices across Europe, it also created the Kotlin programming language, now Google's preferred language for Android, and ships team products such as TeamCity, YouTrack and its AI coding assistants.
jetbrains.com • HQ: Prague, Czech Republic • Project Management • Artificial Intelligence • Software • Code Intelligence • Productivity Software • 1001-5000 employees • Est. 2000
HQ: Prague, Czech Republic • Project Management • Artificial Intelligence • Software • Code Intelligence • Productivity Software • 1001-5000 employees • Est. 2000
Verified live · 2 hours ago 2 months ago

Senior Software Engineer (Qodana Core)

$61k – $97k per year (Estimated) • Senior • Remote/Hybrid (Berlin, Germany) • Relocation • Senior
C#
C++
Go
JavaScript
Kotlin
Python
Rust
TypeScript
C#
.NET
AI/ML
LLM
DevOps
CI/CD
Apply
Verified live · 2 hours ago 2 months ago

Senior Software Developer (AI Agents & Integrations)

Senior • Belgrade • Remote (Armenia) • Relocation • Senior
Kotlin
Kotlin
Kotlin Coroutines
AI/ML
AI Agents
Claude
Claude Code
Gemini
LLM
Prompt Engineering
Mobile
Clean Architecture
Apply
Verified live · 2 hours ago 3 months ago

Senior Graphics/JVM Software Engineer (JVM Runtime)

$64k – $99k per year (Estimated) • Senior • 4+ years expBelgrade • Remote (Germany, Cyprus, Czech Republic, Poland, Serbia) • Relocation • Senior • English
C++
Java
Kotlin
Objective-C
C++
OpenGL
Java
OpenJDK
Apply
Report

Slikk

slikk.club
Slikk is a fashion brand that aims to deliver value within seconds and drip within minutes.
slikk.club • Bengaluru • Commerce • Consumer Goods • Apparel & Fashion • Est. 2024
Bengaluru • Commerce • Consumer Goods • Apparel & Fashion • Est. 2024
$25k – $67k per year (Estimated) • Senior • 6+ years expIn office (Bengaluru, India) • Senior
Python
Python
Django
Flask
FastAPI
Databases
PostgreSQL
Apache Kafka
Redis
DevOps
Amazon EC2
AWS
Amazon ECS
Amazon S3
Docker
Kubernetes
Apply
2 months ago

Backend Developer

$25k – $66k per year (Estimated) • Senior • 6+ years expIn office (Bengaluru, India) • Senior
Python
Python
Django
FastAPI
Flask
Databases
MySQL
PostgreSQL
Redis
Frontend
GraphQL
DevOps
AWS
Azure
GCP
Git
Apply
Report

InPost

inpost.eu
InPost is a leading European logistics company and out-of-home delivery provider best known for its extensive network of Automated Parcel Machines (APMs) and pick-up/drop-off points. The company offers last-mile parcel delivery, courier services, and efficient returns handling tailored for major e-commerce merchants and individual shoppers. By combining modern automated infrastructure with a mobile application, it delivers a convenient, flexible, and eco-friendly alternative to traditional door-to-door delivery.
inpost.eu • HQ: Kraków, Poland • Transportation & Logistics • Delivery • Courier Services • 5000+ employees • Est. 2017
HQ: Kraków, Poland • Transportation & Logistics • Delivery • Courier Services • 5000+ employees • Est. 2017
Verified live · 2 hours ago 2 months ago

Senior Java Engineer (m/f/n)

$63k – $100k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Warsaw, Poland) • Full-Time • Senior
Java
Kotlin
Java
Gradle
Hibernate
Maven
Spring Boot
Spring Security
Databases
Apache Kafka
PostgreSQL
Google Cloud Spanner
AI/ML
ChatGPT
Claude
Copilot
Frontend
GraphQL
DevOps
CI/CD
Docker
GCP
Git
Kubernetes
GitHub
Google GKE
gRPC
Management
Confluence
Apply
Report

Raisin

raisin.com
Raisin is a Berlin company founded in 2012 that operates a cross border savings marketplace. Its WeltSparen and Raisin platforms let savers open deposits at banks across Europe through a single account. The company has channelled tens of billions of euros in deposits and expanded into the United States.
raisin.com • HQ: Berlin, Germany • 501-1000 employees • Est. 2012
HQ: Berlin, Germany • 501-1000 employees • Est. 2012
$73k – $147k per year (Estimated) • Senior • In office (Berlin, Germany) • Senior
Go
JavaScript
Node JS
SQL
C#
Java
C#
ASP.NET Core
Java
Spring Boot
Frontend
GraphQL
React.js
QA
Jest
Apply
$73k – $147k per year (Estimated) • Senior • In office (Madrid, Spain) • Senior
Go
JavaScript
Node JS
SQL
C#
Java
C#
ASP.NET Core
Java
Spring Boot
Frontend
GraphQL
React.js
QA
Jest
Apply
Report

Reactive Markets

reactivemarkets.com
Reactive Markets is a financial infrastructure company that provides ultra-low-latency connectivity and execution for institutional trading across FX, equities and other asset classes. Its network connects clients to 35+ liquidity providers with deterministic sub-50 microsecond end-to-end latency, accessible via a single API, UI, or integrations with EMS/OMS/pricing engines. The platform is engineered for bilateral trading, systematic and manual strategies, and offers real-time latency reporting, analytics, global deployment (New York, London, Singapore), and FCA-regulated services for professional market participants.
reactivemarkets.com • London • FinTech • Financial Services • Capital Markets • Est. 2019
London • FinTech • Financial Services • Capital Markets • Est. 2019
Verified live · 1 day ago 2 months ago

Senior C++ Software Engineer

$84k – $159k per year (Estimated) • Senior • 5+ years exp • Remote (United Kingdom) • Visa sponsorship • Full-Time • Senior
C++
Python
C#
C#
.NET
AI/ML
Claude
DevOps
AWS
Git
SLI/SLO/SLA
Apply
Report

Veeva Systems

veeva.com
Veeva delivers the industry cloud for life sciences with applications, agents, data, and consulting. Committed to innovation, product excellence, and customer success, Veeva serves more than 1,500 customers, ranging from the world's largest pharmaceutical companies to emerging biotechs.
veeva.com • Warsaw • San Francisco • Milan • Paris • Lisbon • Cloud Computing • Health Care • Software • 1001-5000 employees
Warsaw • San Francisco • Milan • Paris • Lisbon • Cloud Computing • Health Care • Software • 1001-5000 employees
$93k – $161k per year • Senior • 5+ years expSan Francisco • Remote (United States, Canada) • Full-Time • Senior
Python
Python
Django
Databases
PostgreSQL
Mobile
Clean Architecture
Apply
Verified live · 1 hour ago 2 months ago

Senior Software Engineer - Backend

$89k – $174k per year (Estimated) • Senior • 5+ years expToronto • Remote (Canada) • Full-Time • Senior
Python
Python
Django
Databases
PostgreSQL
Mobile
Clean Architecture
Apply
Top 25% payVerified live · 1 hour ago 2 months ago

Senior Software Engineer - Backend

$110k – $270k per year • Senior • 5+ years expBoston • Remote (United States) • Full-Time • Senior
Python
Python
Django
Databases
PostgreSQL
Mobile
Clean Architecture
Apply
Report

Aura

aura.com
Aura is an all-in-one digital security platform designed to protect individuals and families from online threats, identity theft, and financial fraud. The company's subscription-based service provides a unified app featuring identity monitoring, credit bureau alerts, antivirus protection, a virtual private network (VPN), and password management. By utilizing proactive threat monitoring and offering substantial identity theft insurance, it simplifies online safety and helps users secure their personal data.
aura.com • San Antonio • Financial Services • Insurance • Artificial Intelligence • Cybersecurity • 201-500 employees
San Antonio • Financial Services • Insurance • Artificial Intelligence • Cybersecurity • 201-500 employees
$64k – $99k per year (Estimated) • Senior • 5+ years expPoland • Remote (Poland) • Full-Time • Senior
Node JS
TypeScript
JavaScript
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
LLM
Prompt Engineering
Model Context Protocol
Frontend
GraphQL
npm
Redux
Sass
React.js
Mobile
React Native
DevOps
GitHub
Apply
Report

Concentric AI

concentric.ai
Concentric is a leading provider of AI-based solutions for data security that helps to identify unstructured data discovery, and monitor risk. It offers data risk report, video datasheet to secure data properly.
concentric.ai • Pune • Bengaluru • Security Compliance • Data & Analytics • Cybersecurity • Est. 2018
Pune • Bengaluru • Security Compliance • Data & Analytics • Cybersecurity • Est. 2018
$23k – $61k per year (Estimated) • Senior • In office (Pune, India) • Bachelor's Degree • Senior
Java
SQL
Java
Spring Boot
Databases
Apache Kafka
DevOps
AWS
Docker
Kubernetes
Rest API
CI/CD
Git
Apply
$24k – $62k per year (Estimated) • Senior • In office (Pune, India) • Bachelor's Degree • Senior
Java
Databases
Apache Kafka
DevOps
AWS
Docker
Kubernetes
Apply
Report

PhonePe

phonepe.com
Headquartered in Bengaluru, India, PhonePe is a leading digital payments and fintech company built on the Unified Payments Interface (UPI) platform. The application enables users to perform instant money transfers, pay utility bills, purchase insurance, and invest in financial products. By connecting consumer banking with micro-merchants and enterprise businesses, it drives financial inclusion and digital commerce across the country.
phonepe.com • HQ: Bengaluru, India • Financial Services • FinTech • Payments • Est. 2015
HQ: Bengaluru, India • Financial Services • FinTech • Payments • Est. 2015
2 months ago

Backend Engineer

$26k – $68k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • PhD • Senior
C++
Go
Java
SQL
Databases
Aerospike
ElasticSearch
HBase
MySQL
Apply
Report

Zluri

zluri.com
Zluri is a comprehensive SaaS operations management platform for IT teams helping them discover, manage, secure, and comply across multiple subscription-based SaaS applications from a single dashboard.
zluri.com • Bengaluru • Software • Information Technology • IT Management • Est. 2020
Bengaluru • Software • Information Technology • IT Management • Est. 2020
$26k – $68k per year (Estimated) • Senior • 3+ years expIn office (Bengaluru, India) • Senior
Go
JavaScript
Node JS
Python
Frontend
React.js
DevOps
AWS
Azure
GCP
Kubernetes
Apply
Report

BPX

bpxglobal.com
BPX is a global IT consulting firm that specializes in digital transformation, Enterprise Resource Planning (ERP), and Business Intelligence (BI) systems. The company helps enterprises optimize operations by implementing, integrating, and maintaining major enterprise platforms like SAP, Infor, Qlik, and Power BI. Additionally, it provides specialized solutions for Revenue Growth Management (RGM) and Trade Promotion Management (TPM) to streamline business workflows for consumer goods companies and global businesses.
bpxglobal.com • HQ: Wrocław, Poland • Artificial Intelligence • Data & Analytics • Information Technology • Est. 2006
HQ: Wrocław, Poland • Artificial Intelligence • Data & Analytics • Information Technology • Est. 2006
2 months ago

Senior Java Developer

$63k – $97k per year (Estimated) • Senior • Warsaw • Remote (Poland, Slovakia) • Full-Time • Senior • Polish: C1
Java
SQL
Java
Hibernate
Spring Boot
Databases
Apache Kafka
MinIO
DevOps
Docker
Jenkins
Kubernetes
Rest API
GitLab
Apply
Report

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
$115k – $135k per year • Senior • 8+ years expToronto • Remote (Canada) • Visa sponsorship • Bachelor's Degree • Senior
Java
SQL
DevOps
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.