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

Scientificsystems

scientificsystems.com
Scientific Systems unleashes AI-powered autonomy across space, air, land, and sea for collaborative defense and dominance.
scientificsystems.com • Burlington • Military • Artificial Intelligence • Defense AI
Burlington • Military • Artificial Intelligence • Defense AI
Verified live · 4 hours ago 1 day ago

Senior Software Engineer I - Autonomy Software

$128k – $154k per year • Equity • Senior • Remote/Hybrid (Burlington, United States) • Bachelor's Degree • Full-Time • Senior
C++
Python
C++
Conan
DevOps
CI/CD
GitHub
GitLab
Cybersecurity
SonarQube
Robotics
Path Planning
ROS
Management
Confluence
Jira
Apply
Verified live · 4 hours ago 2 months ago

Senior Software Engineer I - Large Air

$128k – $154k per year • Equity • Senior • Remote/Hybrid (Burlington, United States) • Bachelor's Degree • Full-Time • Senior
C++
Java
Python
Rust
DevOps
CI/CD
GitHub
GitLab
Robotics
ROS
Management
Confluence
Jira
Apply
Open 232 daysVerified live · 4 hours ago 8 months ago

Senior Software Engineer II - Modeling and Simulation

$142k – $180k per year • Equity • Senior • Remote/Hybrid (Burlington, United States) • Bachelor's Degree • Full-Time • Senior
C++
Python
AI/ML
AI Agents
DevOps
CI/CD
GitHub
GitLab
HPC
Robotics
Digital Twin
ROS
Management
Confluence
Jira
Apply
Report
Reserve Bank Innovation Hub is a wholly owned subsidiary of the Reserve Bank of India that drives innovation in the financial sector through technology, policy research, and ecosystem collaboration.
rbihub.in • Bengaluru • Financial Services • Government • FinTech • Est. 2026
Bengaluru • Financial Services • Government • FinTech • Est. 2026
2 months ago

Senior Java Developer

$25k – $65k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Senior
Java
Java
Spring Boot
Mobile
JUnit
DevOps
Azure
Azure DevOps
CI/CD
Docker
Git
Rest API
GitHub
Apply
Report

Taktile

taktile.com
Taktile is the Agentic Decision Platform empowering financial institutions to combine the speed of AI automation with the oversight of people, so teams can safely approve customers, catch more fraud, and stay compliant.
taktile.com • HQ: Berlin, Germany • Financial Services • FinTech • Decision Intelligence
HQ: Berlin, Germany • Financial Services • FinTech • Decision Intelligence
Verified live · 2 hours ago 1 day ago

Senior Full-Stack Engineer - Team Agent

$78k – $156k per year (Estimated) • Senior • Remote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Senior • English: C1
Python
TypeScript
JavaScript
Python
FastAPI
Pydantic
SQLAlchemy
Databases
DynamoDB
PostgreSQL
AI/ML
AI Agents
Claude
Copilot
Edge AI
Human-in-the-Loop
LLM
Model Context Protocol
Frontend
React.js
DevOps
AWS
CI/CD
API Gateway
AWS Lambda
Cybersecurity
GDPR
Apply
Verified live · 2 hours ago 2 months ago

Senior Forward Deployed Engineer

$78k – $157k per year (Estimated) • Senior • 4+ years expRemote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Senior
Python
SQL
AI/ML
AI Agents
DevOps
AWS
Azure
GCP
Rest API
Cybersecurity
GDPR
Apply
Verified live · 2 hours ago 3 months ago

Senior Full-Stack Engineer - Platform team

$79k – $158k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Senior
Python
TypeScript
Python
FastAPI
SQLAlchemy
Databases
DynamoDB
PostgreSQL
AI/ML
AI Agents
Claude
Edge AI
DevOps
AWS
Rest API
IAM
Cybersecurity
GDPR
ISO 27001
SOC 2
Apply
Report

Citigroup

citigroup.com
Citigroup is an American multinational bank formed in 1998 by the merger of Citicorp and Travelers Group, and headquartered in New York City. It is one of the largest global financial institutions, organised around institutional clients, wealth management and a United States personal banking business, and it operates the most extensive cross-border payments and treasury network of any bank, moving trillions of dollars daily for corporates and governments in roughly ninety countries. Designated a globally systemically important bank, it has spent recent years simplifying its structure by exiting consumer franchises across Asia, Europe and Latin America.
citigroup.com • HQ: New York, United States • Credit Cards • Wealth Management • Capital Markets • Investment Banking • Financial Services • Banking • 5000+ employees • Est. 1998
HQ: New York, United States • Credit Cards • Wealth Management • Capital Markets • Investment Banking • Financial Services • Banking • 5000+ employees • Est. 1998
$51k – $86k per year • Senior • 5+ years expRemote/Hybrid (Warsaw, Poland) • Full-Time • Senior
Java
Kotlin
SQL
Databases
Apache Kafka
MongoDB
Trino
DevOps
CI/CD
Grafana
Kubernetes
OpenTelemetry
Amazon S3
Apply
2 months ago

Java Developer

$51k – $86k per year • Senior • 5+ years expRemote/Hybrid (Warsaw, Poland) • Full-Time • Senior
Java
SQL
Databases
Apache Kafka
DevOps
Docker
Kubernetes
Apply
$51k – $86k per year • Senior • 8+ years expRemote/Hybrid (Warsaw, Poland) • Full-Time • Staff • Russian: C1
C#
Java
COBOL
C#
ASP.NET Core
Java
Hazelcast
COBOL
IBM MQ
Databases
ActiveMQ
Apache Kafka
MS SQL
Redis
DevOps
Bitbucket
CI/CD
Git
Jenkins
Analytics
ETL/ELT
Apply
Report

SpotOn

spoton.com
Run a more profitable restaurant with SpotOn. Point-of-sale. Online ordering. Reservations. Team management. Rapid funding. AI profit analysis. And more.
spoton.com • Kraków • Virginia Beach • Saint Louis • El Paso • Corpus Christi • Software • Commerce • POS Systems
Kraków • Virginia Beach • Saint Louis • El Paso • Corpus Christi • Software • Commerce • POS Systems
$76k – $96k per year • Senior • 5+ years expKraków • Remote (Poland) • Relocation • Full-Time • Senior
Go
PHP
DevOps
AWS
Kubernetes
Terraform
Apply
Verified live · 2 hours ago 2 months ago

Senior Software Engineer II (Golang, Fulfillment)

$76k – $94k per year • Senior • 5+ years exp • Remote (United States, Poland) • Relocation • Visa sponsorship • Full-Time • Senior
Go
PHP
DevOps
AWS
Kubernetes
Terraform
Apply
Verified live · 2 hours ago 3 months ago

Senior Software Engineer I (Full Stack, Payments)

$63k – $78k per year • Senior • 5+ years expIn office (Kraków, Gdańsk, Poland) • Relocation • Visa sponsorship • Full-Time • Senior
Go
JavaScript
PHP
Frontend
React.js
DevOps
AWS
Kubernetes
Terraform
Apply
Report

DSV

dsv.com
DSV is a Danish multinational transport and logistics corporation that provides global supply chain solutions. Founded in 1976 and headquartered in Hedehusene, Denmark, the company is one of the world's largest freight forwarding and logistics providers.
dsv.com • Warsaw • Sea Freight • Transportation & Logistics • Logistics
Warsaw • Sea Freight • Transportation & Logistics • Logistics
$63k – $99k per year (Estimated) • Senior • In office (Warsaw, Poland) • Master's Degree • Full-Time • Senior • Polish: C1
Python
SQL
Python
Aiohttp
FastAPI
Mypy
Pydantic
SQLAlchemy
Databases
MS SQL
AI/ML
LLM
Vertex AI
DevOps
Azure
Rest API
Apply
Report

HR Contact

hrcontact.co
HR Contact - agencja rekrutacyjna specjalizująca się w IT, Fintech, E-commerce i inżynierii. Rekrutacja end-to-end w EMEA, USA i LATAM. 950+ zrealizowanych projektów.
hrcontact.co • Kraków • Information Technology • Professional Services • Human Resources
Kraków • Information Technology • Professional Services • Human Resources
$77k – $80k per year • Senior • 7+ years expKraków • Remote (Poland) • Full-Time • Senior
Python
SQL
Python
FastAPI
Databases
MariaDB
MySQL
PostgreSQL
AI/ML
NLP
AI Agents
DevOps
AWS
API Gateway
Apply
Report
Digital transformation for industry Discover the new dimension of digital transformation in your organisation. Increase profits, minimise costs and errors and take advantage of new opportunities with IoT, Cloud, AR or PLM solutions. More on the website.
ttpsc.com • HQ: Warsaw, Poland • CAD & PLM • Manufacturing • Internet of Things • Est. 1991
HQ: Warsaw, Poland • CAD & PLM • Manufacturing • Internet of Things • Est. 1991
$63k – $97k per year (Estimated) • Senior • 3+ years expŁódź • Remote (Poland) • Full-Time • Senior
Python
Python
Boto3
Databases
DynamoDB
DevOps
AWS
AWS Lambda
CI/CD
Jenkins
Kubernetes
Terraform
Amazon Kinesis
API Gateway
IAM
Apply
2 months ago

Senior C++ Developer

$65k – $101k per year (Estimated) • Senior • 8+ years expWrocław • Remote (Poland) • Full-Time • Senior
C++
Databases
Apache Kafka
DevOps
Kubernetes
Apply
Report

Ecovadis

ecovadis.com
EcoVadis is a sustainability intelligence company that provides a SaaS platform for assessing and improving the environmental, social and ethical performance of organisations and their supply chains. In practice, it helps companies understand how well they and their suppliers are managing topics such as carbon and climate impact, labour and human rights, ethics and responsible procurement. For job seekers, the core problem EcoVadis tackles is a common one in modern business, large organisations are under pressure to report on sustainability and reduce risk across complex global supply networks, but the data is fragmented, hard to verify and difficult to turn into consistent decisions.
ecovadis.com • Kuala Lumpur • Barcelona • Warsaw • Washington • London • Transportation & Logistics • Cybersecurity • Supply Chain
Kuala Lumpur • Barcelona • Warsaw • Washington • London • Transportation & Logistics • Cybersecurity • Supply Chain
2 months ago

Senior .NET Developer

Senior • 6+ years expRemote/Hybrid (Kuala Lumpur, Malaysia) • Full-Time • Senior
C#
SQL
C#
.NET
Databases
ElasticSearch
MS SQL
DevOps
Azure
Docker
QA
Selenium
Apply
Open 420 daysVerified live · 1 hour ago 1 year ago

Senior .NET Developer

Senior • 6+ years expIn office (Kuala Lumpur, Malaysia) • Full-Time • Senior
C#
SQL
C#
.NET
Databases
ElasticSearch
MS SQL
DevOps
Azure
Docker
QA
Selenium
Apply
Report

Finoit

finoit.com
Finoit is an IT company providing strategic & technology consulting in the field of Web, Mobile and Software domain. It has expertise in CRM Solutions, Online Marketing & Strategic IT Consulting, etc.
finoit.com • Noida • Software • Mobile App Development • Information Technology • Est. 2010
Noida • Software • Mobile App Development • Information Technology • Est. 2010
2 months ago

Sr. Backend Developer

$23k – $61k per year (Estimated) • Senior • In office (Noida, India) • Senior
Python
Python
Django
FastAPI
Flask
Databases
MySQL
pgvector
Pinecone
PostgreSQL
AI/ML
LangChain
LangGraph
LLM
RAG
Anthropic
Hugging Face
OpenAI
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Jenkins
GitHub
GitLab
Apply
Report

Viber

viber.com
Private and secure messaging All around the world, users turn to Viber to have open and authentic conversations with their friends, family and colleagues. With Viber you can rest assured, knowing that your personal chats are always protected and private and that all your conversations are your own.
viber.com • Warsaw • Minsk • Communication & Collaboration • Internet Services • Online Communication
Warsaw • Minsk • Communication & Collaboration • Internet Services • Online Communication
2 months ago

Full Stack Engineer

$62k – $99k per year (Estimated) • Senior • 7+ years expIn office (Warsaw, Poland) • Bachelor's Degree • Full-Time • Senior
JavaScript
Node JS
TypeScript
Node JS
Fastify
Nest.JS
Frontend
Angular
Next.js
React Query
React.js
Yup
Zod
DevOps
AWS
AWS Lambda
CI/CD
Docker
Rest API
Apply
Report

Angry Nerds

angrynerds.co
Angry Nerds is a tech-focused agency and software development company based in Wrocław, Poland. Founded in 2015, the firm specializes in end-to-end custom software design, mobile app development, web applications, and UI/UX design for startups and established enterprises globally. They focus on delivering agile engineering teams and full product lifecycle development using modern tech stacks like React, Node.js, and Flutter.
angrynerds.co • HQ: Wrocław, Poland • Information Technology • Mobile App Development • Software
HQ: Wrocław, Poland • Information Technology • Mobile App Development • Software
$59k – $70k per year • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
JavaScript
SQL
TypeScript
C#
.NET
Frontend
Angular
NgRx
RxJS
Sass
DevOps
Azure
CI/CD
Git
Gitflow
Rest API
Apply
2 months ago

Senior .NET Developer

$54k – $70k per year • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
C#
ASP.NET Core
Entity Framework Core
Hangfire
Databases
Azure SQL Database
ElasticSearch
MS SQL
Redis
Microsoft Fabric
AI/ML
Claude
Claude Code
Copilot
DevOps
Azure
Bitbucket
CI/CD
Git
Gitflow
Rest API
GitHub
Management
Confluence
Jira
Apply
Report

SD Worx Poland

sdworx.com
sdworx.com • Katowice • Software • Professional Services • Human Resources
Katowice • Software • Professional Services • Human Resources
$58k – $71k per year • Senior • 4+ years expKatowice • Remote (Poland) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
Entity Framework Core
Databases
MS SQL
Frontend
Angular
Bootstrap
RxJS
DevOps
AWS
Azure
Azure DevOps
CI/CD
Docker
Git
Rest API
Apply
Report

SumUp

sumup.com
Millions of small businesses use SumUp for affordable and easy to use mobile payment solutions. Shop our inventory of POS systems or get a demo today.
sumup.com • Warsaw • Berlin • Cologne • Financial Services • POS Systems • Payments
Warsaw • Berlin • Cologne • Financial Services • POS Systems • Payments
$76k – $152k per year (Estimated) • Equity • Senior • 5+ years expIn office (Berlin, Germany) • Full-Time • Senior
Java
Kotlin
Databases
Apache Kafka
Kafka
PostgreSQL
DevOps
AWS
Kubernetes
Apply
$61k – $95k per year • Equity • Senior • 5+ years expIn office (Warsaw, Poland) • Full-Time • Senior
Java
Kotlin
Java
Spring Boot
Databases
Apache Kafka
PostgreSQL
DevOps
AWS
CI/CD
Docker
GitHub Actions
Grafana
Honeycomb
Kubernetes
GitHub
gRPC
Apply
$61k – $95k per year • Senior • 5+ years expIn office (Warsaw, Poland) • Full-Time • Senior
Java
Kotlin
Databases
Apache Kafka
PostgreSQL
DevOps
AWS
Kubernetes
Apply
Report

Rublon

rublon.pl
Rublon is a Polish cybersecurity company specializing in enterprise multi-factor authentication (MFA) and access management solutions. Its flagship platform, Rublon MFA, adds an additional layer of identity protection across networks, VPNs, cloud applications, and server environments using authentication methods like mobile push notifications, FIDO security keys, and hardware tokens.
rublon.pl • HQ: Zielona Góra, Poland • Network Security • Identity Management • Cybersecurity
HQ: Zielona Góra, Poland • Network Security • Identity Management • Cybersecurity
$71k – $106k per year • Senior • 5+ years expKraków • Remote (Poland) • Full-Time • Senior
PowerShell
Python
SQL
Python
Alembic
SQLAlchemy
Databases
Oracle
PostgreSQL
AI/ML
Copilot
Kedro
DevOps
GitLab CI
Windows Server
GitLab
JFrog Artifactory
GitHub
Management
Confluence
Jira
SpaceTech
GeoServer
QGIS
GDAL
Apply
Report

Grid Dynamics Poland

griddynamics.com
Grid Dynamics, represented by griddynamics.com, is a technology services company that provides consulting, engineering and managed services in cloud computing, data, artificial intelligence and digital transformation. It designs and implements scalable software platforms, commerce solutions and infrastructure modernization projects for enterprises across sectors such as retail, finance and technology.
griddynamics.com • HQ: Warsaw, Poland • Artificial Intelligence • Information Technology • IT Consulting • Est. 2006
HQ: Warsaw, Poland • Artificial Intelligence • Information Technology • IT Consulting • Est. 2006
$62k – $99k per year (Estimated) • Senior • 8+ years expIn office (Warsaw, Poland) • Full-Time • Staff
Bash
Java
Python
C#
TypeScript
JavaScript
Java
Gradle
Maven
C#
.NET
AI/ML
AI Agents
Claude
Claude Code
LangGraph
LangSmith
Prompt Engineering
LangChain
LLM
OpenAI
Frontend
Angular
DevOps
Docker
AWS
Azure
CI/CD
GCP
Apply
Report

Synerise

synerise.com
Synerise is a composable AI infrastructure platform that captures behavioral signals in real time, predicts next actions, and automates decisions — from the first millisecond to billions of events.
synerise.com • Kraków • Machine Learning • Data & Analytics • Artificial Intelligence
Kraków • Machine Learning • Data & Analytics • Artificial Intelligence
$61k – $77k per year • Senior • 5+ years expKraków • Remote (Poland) • Full-Time • Senior
Node JS
Python
SQL
TypeScript
JavaScript
Node JS
Joi
Sequelize
Databases
Apache Kafka
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
OpenAI
DevOps
CI/CD
Docker
Git
GitLab CI
Kubernetes
Rest API
GitHub
GitLab
QA
Jest
Vitest
Apply
Report

Heineken

heineken.com
Heineken N.V. is a major global brewing enterprise headquartered in the Netherlands, recognized for its flagship international pale lager brand. The company operates a diverse portfolio of over 300 international, regional, and specialty beers and ciders. Through its extensive distribution network and marketing presence, it supplies alcoholic beverages to consumers across more than 190 countries worldwide.
heineken.com • Kraków • Food & Beverages • Brewing & Beer
Kraków • Food & Beverages • Brewing & Beer
$59k – $94k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Senior
C#
SQL
C#
.NET
Databases
Azure SQL Database
Mobile
Dependency Injection
MAUI
MVVM
Xamarin
DevOps
Azure
Azure DevOps
CI/CD
Git
GitHub Actions
GitHub
Cybersecurity
GDPR
Apply
Report

Xebia

xebia.com
Xebia is a global, award-winning, AI-first consulting, software engineering, and training company. We shape tomorrow with AI today helping organizations turn AI strategy into production-ready solutions that drive real transformation, faster.
xebia.com • HQ: Gurgaon, India • LLM & Generative AI • Information Technology • Artificial Intelligence • Est. 2001
HQ: Gurgaon, India • LLM & Generative AI • Information Technology • Artificial Intelligence • Est. 2001
2 months ago

Senior GO Developer

$55k – $90k per year • Senior • Wrocław • Remote (Poland) • Full-Time • Senior
Go
SQL
Databases
Databricks
MySQL
PostgreSQL
Snowflake
AI/ML
Claude
Claude Code
Copilot
Cursor
dbt
DevOps
AWS
Azure
Docker
GCP
Git
gRPC
Kubernetes
GitHub
Apply
Report

Kruk

kruk.eu
Od ponad 28 lat jesteśmy liderem zarządzania wierzytelnościami w Europie Centralnej. Nasze IT to zespół ponad 300 osób pracujących w Polsce i za granicą. Tworzymy rozwiązania, które realnie wspierają biznes i naszych klientów.
kruk.eu • Wrocław • Investment Banking
Wrocław • Investment Banking
$59k – $91k per year (Estimated) • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
TypeScript
JavaScript
C#
ASP.NET Core
MassTransit
Databases
MS SQL
PostgreSQL
RabbitMQ
AI/ML
Copilot
LLM
Frontend
Angular
Mobile
Clean Architecture
DevOps
CI/CD
Git
Kong
OpenShift
OpenTelemetry
Rest API
GitHub
GitLab
Cybersecurity
Microsoft Entra ID
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.