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.

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Quantum
Parity Technologies is a core Web3 and blockchain infrastructure development firm best known for building foundational technologies for the Polkadot ecosystem. Founded in 2015 by Ethereum co-founder Gavin Wood and Jutta Steiner, the company initially developed Parity Ethereum before pivoting to pioneer multi-chain interoperability. Parity created Substrate, a modular open-source framework that allows developers to build custom blockchains, and spearheaded the technical development of Polkadot - a decentralized protocol connecting heterogeneous blockchain networks.
parity.io • Berlin • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure
Berlin • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure
Verified live · 2 days ago 2 months ago

Core Developer - Node

Remote (Germany) • Contractor
Polkadot
Apply
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Patsnap

patsnap.com
PatSnap is a leading provider of IP and R&D innovation intelligence platforms. It leverages advanced AI technologies to help companies enhance productivity, drive innovation, and accelerate business growth by providing insights into patent and R&D processes. PatSnap's offerings aim to reduce R&D costs, assist in the discovery of new materials, and support life sciences intelligence.
patsnap.com • Shanghai • London • Tokyo • Toronto • Biotechnology • Professional Services • Artificial Intelligence
Shanghai • London • Tokyo • Toronto • Biotechnology • Professional Services • Artificial Intelligence
Verified live · 4 hours ago 2 months ago

Fullstack Software Engineer

$56k – $190k per year (Estimated) • Middle • 3+ years expIn office (Singapore) • Bachelor's Degree • Full-Time • Middle
Java
Node JS
Python
TypeScript
JavaScript
Java
Spring Boot
Python
FastAPI
Databases
MySQL
PostgreSQL
AI/ML
AI Agents
LLM
Prompt Engineering
RAG
Semantic Search
Semantic Search
Frontend
Apache ECharts
D3.js
React.js
Vue.js
DevOps
CI/CD
Git
WebSockets
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Verified live · 4 hours ago 3 months ago

Forward Deployed Engineer (FDE)

$41k – $89k per year (Estimated)In office (Tokyo, Japan) • Full-Time
AI Agents
LLM
Prompt Engineering
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AVSystem

avsystem.com
AVSystem is a global telecommunications software vendor and Device Management platform provider headquartered in Kraków, Poland. Founded in 2006, the company specializes in IoT management, remote device provisioning, and network telemetry solutions. Operating on an enterprise B2B SaaS, software licensing, and custom integration model, AVSystem provides flagship platforms such as Unified Device Management and CoiOTE IoT Device Management, enabling telecom operators, ISPs, and enterprise IoT deployments to securely monitor, configure, and manage millions of connected devices worldwide.
avsystem.com • HQ: Kraków, Poland • Information Technology • Telecommunications • Internet of Things • Est. 2006
HQ: Kraków, Poland • Information Technology • Telecommunications • Internet of Things • Est. 2006
$22k – $42k per year • Junior • Kraków • Remote (Poland) • Full-Time • Junior • Polish: C1
Scala
TypeScript
JavaScript
Databases
Apache Kafka
Redis
Frontend
Angular
DevOps
GitLab
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2 months ago

Software Engineer

$42k – $74k per year • Junior • 2+ years expKraków • Remote (Poland) • Full-Time • Junior • Polish: C1
Scala
TypeScript
JavaScript
Databases
Apache Kafka
Redis
Frontend
Angular
DevOps
GitLab
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Diagnostyka

diag.pl
Diagnostyka is a medical laboratory company headquartered in Krakow, Poland, and founded in 1998. The company runs the largest network of diagnostic laboratories and collection points in Poland, covering routine blood work, microbiology, histopathology, and genetic testing. It processes tens of millions of tests a year for public health funds, private insurers, hospitals, and individual patients, and listed on the Warsaw Stock Exchange in 2025.
diag.pl • HQ: Kraków, Poland • Laboratory Equipment • Biotechnology • Hospitals & Clinics • Health Care • Diagnostics • Est. 1998
HQ: Kraków, Poland • Laboratory Equipment • Biotechnology • Hospitals & Clinics • Health Care • Diagnostics • Est. 1998
$53k – $96k per year (Estimated)In office (Kraków, Poland) • Full-Time • Polish: C1
Python
Python
Django
FastAPI
Flask
Databases
Google BigQuery
MySQL
PostgreSQL
AI/ML
Gradio
LangChain
LlamaIndex
NLP
Pandas
Prefect
Streamlit
Vertex AI
Frontend
GraphQL
DevOps
CI/CD
GCP
Git
Google Cloud Run
Kubernetes
Terraform
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$52k – $94k per year (Estimated)In office (Kraków, Poland) • Full-Time • Polish: C1
C#
C#
.NET
DevOps
Azure
GCP
gRPC
Kubernetes
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Cloudfide

cloudfide.com
We invite you to the world of Cloudfide Empower Your Business with Cloudfide's Customized Data and Cloud Solutions, Driving Innovation, Efficiency, and Scalable Growth. We're the problem solvers, the innovators, and the go-to experts for the most challenging data dilemmas.
cloudfide.com • HQ: Warsaw, Poland • Information Technology • Data & Analytics • Cloud Computing
HQ: Warsaw, Poland • Information Technology • Data & Analytics • Cloud Computing
2 months ago

Java Engineer

$43k – $87k per year (Estimated) • Middle • 3+ years expWarsaw • Remote (Poland) • Middle
Java
Databases
PostgreSQL
DevOps
Azure
CI/CD
Docker
GitHub Actions
GitHub
Apply
$68k – $115k per year (Estimated) • Lead • Warsaw • Remote (Poland) • Internship • Staff
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
Azure
Bicep
CI/CD
Docker
Git
Terraform
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$42k – $86k per year (Estimated) • Middle • 3+ years expWarsaw • Remote (Poland) • Middle
JavaScript
Node JS
TypeScript
Node JS
Express
Databases
MySQL
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Docker
Git
Azure
Azure DevOps
QA
Jest
Apply
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CYENS Centre of Excellence is a Cypriot research organisation established in 2016 and based in Nicosia. It conducts research in visual computing, human factors and artificial intelligence. The centre works with universities and industry partners.
cyens.org.cy • HQ: Nicosia, Cyprus • Design & Creative • Software • Artificial Intelligence • Est. 2016
HQ: Nicosia, Cyprus • Design & Creative • Software • Artificial Intelligence • Est. 2016
Verified live · 2 days ago 2 months ago

Research Full Stack Web Developer - SuPerWorld

$35k – $39k per year • In office • Bachelor's Degree • English
JavaScript
Node JS
PHP
Python
TypeScript
Databases
MySQL
PostgreSQL
Frontend
Angular
React.js
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Open 295 daysVerified live · 2 days ago 10 months ago

Full Stack Software Developer

Middle • 3+ years expIn office • Bachelor's Degree • Contractor • Middle • English
JavaScript
Node JS
PHP
Python
SQL
TypeScript
Kotlin
Python
Django
Frontend
Angular
Vue.js
React.js
Three.JS
Mobile
React Native
DevOps
Git
AWS
Azure
GCP
Game Dev
Unity
Unreal Engine
Apply
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Citadel AI

citadel.co.jp
Citadel AI builds products to test and monitor high-risk AI systems. Our mission is to make the world's AI systems more reliable and trustworthy.
citadel.co.jp • Tokyo • Cybersecurity • MLOps • Artificial Intelligence
Tokyo • Cybersecurity • MLOps • Artificial Intelligence
$25k – $84k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (Tokyo, Japan) • Full-Time • Middle • Japanese
Python
SQL
Python
FastAPI
Flask
Databases
PostgreSQL
Redis
AI/ML
LLM
Vertex AI
DevOps
AWS
Azure
Docker
GCP
Google Cloud Run
OpenTofu
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Bitmovin

bitmovin.com
Bitmovin is a SaaS company focused on the technology that powers online video delivery. Its products help organisations encode video for different devices and bandwidth conditions, play it back reliably across platforms, and monitor quality so teams can spot and fix issues that affect viewers. In practice, Bitmovin is tackling a common problem in streaming and video on demand, delivering a consistent viewing experience at scale is technically complex, and failures are highly visible to end users.
bitmovin.com • Denver • Berlin • Streaming & OTT Platforms • Software • Video & Image Processing Software
Denver • Berlin • Streaming & OTT Platforms • Software • Video & Image Processing Software
$126k – $227k per year (Estimated) • Equity • Senior • 5+ years expIn office (Denver, United States) • Relocation • Visa sponsorship • Master's Degree • Senior
C++
Java
Kotlin
AI/ML
Claude
Claude Code
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Incident Management
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Deviniti

deviniti.com
Deviniti wspiera przedsiębiorstwa z całego świata w zarządzaniu strukturami IT oraz projektach sztucznej inteligencji na dużą skalę jako doświadczony Platynowy Partner Atlassian i monday.com.
deviniti.com • Wrocław • Software • Artificial Intelligence • Information Technology
Wrocław • Software • Artificial Intelligence • Information Technology
Verified live · 1 day ago 2 months ago

Backend Developer - B. Prusowski ISD-77867

Middle • 4+ years expIn office • Full-Time • Middle • Polish (Optional)
Java
SQL
Java
Apache Tomcat
Gradle
Hibernate
Maven
Spring Boot
Databases
Apache Kafka
MariaDB
MS SQL
PostgreSQL
RabbitMQ
AI/ML
AI Agents
Mobile
JUnit
DevOps
CI/CD
Docker
Git
Jenkins
Podman
Bamboo
Bitbucket
Cybersecurity
SonarQube
Management
Jira
QA
Swagger
Apply
$46k – $70k per year • Wrocław • Remote (Poland) • Full-Time • Polish: C1
Java
SQL
Java
Apache Tomcat
Gradle
Hibernate
Maven
Spring Boot
Databases
Apache Kafka
MariaDB
MS SQL
PostgreSQL
RabbitMQ
AI/ML
AI Agents
Mobile
JUnit
DevOps
CI/CD
Docker
Git
Jenkins
Podman
Bamboo
Bitbucket
Cybersecurity
SonarQube
Management
Jira
QA
Swagger
Apply
Verified live · 1 day ago 2 months ago

Backend Developer - B. Prusowski ISD-77867

In office • Full-Time • Polish: C1
Java
SQL
Java
Apache Tomcat
Gradle
Hibernate
Maven
Spring Boot
Databases
Apache Kafka
MariaDB
MS SQL
PostgreSQL
RabbitMQ
AI/ML
AI Agents
Mobile
JUnit
DevOps
CI/CD
Docker
Git
Jenkins
Podman
Bamboo
Bitbucket
Cybersecurity
SonarQube
Management
Jira
QA
Swagger
Apply
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Ledgy

ledgy.com
Ledgy is a digital equity and executive compensation management platform headquartered in Zurich, Switzerland. Founded in 2017 by Yoko Spirig, Ben Banisch, and Timo Horstschäfer, the company provides automated capitalization table (cap table) management, share plan administration, and financial reporting software designed for high-growth startups and global enterprises. Operating on a B2B SaaS subscription model, Ledgy serves finance, HR, and legal teams by orchestrating employee equity incentive plans, modeling round financing and exit scenarios, automating multi-jurisdictional compliance, and delivering transparent owner dashboards for employees and investors.
ledgy.com • HQ: Zurich, Switzerland • Commerce • Data Visualization • Marketplaces • Data & Analytics • Est. 2017
HQ: Zurich, Switzerland • Commerce • Data Visualization • Marketplaces • Data & Analytics • Est. 2017
$62k – $145k per year (Estimated) • Equity • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Internship • Middle
JavaScript
Node JS
TypeScript
Frontend
React.js
Tailwind CSS
tRPC
DevOps
Docker
GCP
GitHub Actions
Kubernetes
Terraform
GitHub
Apply
Staff+ • 7+ years expRemote/Hybrid • Internship • Staff
JavaScript
Node JS
TypeScript
AI/ML
AI Agents
Frontend
React.js
Tailwind CSS
tRPC
DevOps
Docker
GCP
GitHub Actions
Kubernetes
Terraform
GitHub
Apply
Open 289 days 10 months ago

Staff/Senior Software Engineer

$74k – $154k per year (Estimated) • Staff+ • 7+ years expRemote/Hybrid • Internship • Staff
JavaScript
Node JS
TypeScript
AI/ML
AI Agents
Frontend
React.js
Tailwind CSS
tRPC
DevOps
Docker
GCP
GitHub Actions
Kubernetes
Terraform
GitHub
Apply
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Gainsight

gainsight.com
Gainsight helps businesses drive customer success initiatives, manage retention, reduce churn and grow revenue by uncovering up-sell opportunities. Leverages big data analytics across sales data and usage logs.
gainsight.com • Bengaluru • Tallahassee • Albany • Nashville • Sacramento • Software • Sales & Marketing • Customer Relationship Management (CRM) • Est. 2009
Bengaluru • Tallahassee • Albany • Nashville • Sacramento • Software • Sales & Marketing • Customer Relationship Management (CRM) • Est. 2009
$24k – $64k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Bachelor's Degree • Senior
Java
Java
Gradle
Hibernate
Maven
Spring Boot
Spring MVC
Databases
MySQL
PostgreSQL
DevOps
AWS
CI/CD
Git
Rest API
Apply
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Glance

glance.com
Glance delivers content directly to smartphone lock screens without an app opening. Its personalised feed reaches hundreds of millions of Android devices. The company also operates live commerce and short video services.
glance.com • HQ: Bengaluru, India • Est. 2019
HQ: Bengaluru, India • Est. 2019
2 months ago

SDE IV - Backend

$25k – $67k per year (Estimated) • Senior • 7+ years expIn office (Bengaluru, India) • Bachelor's Degree • Full-Time • Senior
Java
AI/ML
Gemini
Vertex AI
DevOps
GCP
Apply
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Finat

finat.pl
Finat is a Polish financial services firm and software provider specializing in administrative, operational, and technological solutions for the financial sector. A subsidiary of the PKO Bank Polski Group, the company delivers comprehensive services including fund administration, transfer agent operations, pension scheme processing, and specialized IT system integration. By combining regulatory compliance with robust back-office automation, it enables financial institutions and investment funds to manage large-scale transactional operations securely and efficiently.
finat.pl • HQ: Warsaw, Poland • Professional Services • Audit • Financial Services
HQ: Warsaw, Poland • Professional Services • Audit • Financial Services
$63k – $99k per year (Estimated) • Senior • In office (Warsaw, Poland) • Senior • Polish: C1
Java
COBOL
Java
Liquibase
COBOL
IBM MQ
DevOps
CI/CD
Jenkins
Apply
2 months ago

Programista .NET

$52k – $94k per year (Estimated)In office (Warsaw, Poland) • Polish: C1
C#
JavaScript
SQL
TypeScript
C#
.NET
Databases
Azure Cosmos DB
ElasticSearch
MongoDB
MS SQL
Frontend
Apollo Client
GraphQL
React.js
DevOps
Azure
CI/CD
GitLab
Apply
$53k – $97k per year (Estimated)In office (Warsaw, Poland) • Polish: C1
Java
SQL
Java
Apache Camel
Apply
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Urban Harvest

uharvest.in
Urban Harvest is a fresh food and processing company that offers pre-cut fruits, vegetables, and ready-to-cook ingredients for households and businesses, offering easy food solutions sourced directly from farmers.
uharvest.in • Noida • Delhi • Quality Assurance • Est. 2019
Noida • Delhi • Quality Assurance • Est. 2019
2 months ago

Backend Lead

$27k – $71k per year (Estimated) • Lead • 7+ years expIn office (Noida, India) • Staff
C#
Go
JavaScript
Node JS
C#
ASP.NET Core
gRPC for .NET
DevOps
gRPC
Apply
2 months ago

Software Engineer - I

$14k – $39k per year (Estimated) • Junior • 3+ years expIn office (Noida, India) • Middle
C#
Go
C#
.NET
Databases
MySQL
PostgreSQL
Mobile
Clean Architecture
DevOps
CI/CD
Git
Rest API
Docker
Kubernetes
Apply
Report

Faktura

faktura.pl
Faktura.pl – nowoczesny program do fakturowania z pełną integracją z KSeF. Wystawiaj faktury, przesyłaj je do KSeF i przekazuj dokumenty jednym kliknięciem.
faktura.pl • Warsaw • Financial Services • Software • Billing & Invoicing • Est. 2010
Warsaw • Financial Services • Software • Billing & Invoicing • Est. 2010
$48k – $71k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Java
SQL
Java
Gradle
Hibernate
Maven
Spring Boot
Spring Framework
Spring Security
Databases
ActiveMQ
Apache Kafka
PostgreSQL
DevOps
Amazon EC2
Amazon EKS
AWS
CI/CD
Git
Grafana
Jenkins
Prometheus
Rest API
Kubernetes
Amazon ECS
Amazon S3
IAM
Management
Confluence
Draw.io
Apply
$26k – $38k per year • Junior • Warsaw • Remote (Poland) • Full-Time • Junior • Polish: C1
Java
SQL
Java
Hibernate
Maven
Spring Boot
Databases
ActiveMQ
Apache Kafka
PostgreSQL
DevOps
Git
Rest API
Apply
$38k – $64k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
JavaScript
TypeScript
Java
Java
Spring Boot
Spring Security
Frontend
Angular
RxJS
DevOps
Git
Apply
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WaayuPay

waayupay.com
WaayuPay is a fintech brand reshaping the global payment and banking sector for businesses with a suite of services that enables seamless payment acceptance, processing, and distribution across various channels.
waayupay.com • Bengaluru • Noida • FinTech • Financial Services • Payments • Est. 2023
Bengaluru • Noida • FinTech • Financial Services • Payments • Est. 2023
2 months ago

Backend Engineer

$22k – $93k per year (Estimated)In office (Bengaluru, India)
Java
Python
AI/ML
RAG
DevOps
AWS
GCP
Apply
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HotDoc

hotdoc.com.au
HotDoc is Australia's largest and most trusted patient engagement platform. We take pride in helping over 21,000 practitioners connect with more than 9 million patients. The HotDoc platform includes: online bookings, recalls, reminders, check-in, place in queue, online processing of repeat prescription requests, and Inform (a tool designed to encourage patients to take a more proactive interest in preventative health and chronic disease management).
hotdoc.com.au • Melbourne • Hospitals & Clinics • Health Care • Digital Health
Melbourne • Hospitals & Clinics • Health Care • Digital Health
$67k – $191k per year (Estimated) • Senior • 5+ years exp • Remote (Australia) • Senior
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
AI/ML
Claude
Claude Code
Copilot
Cursor
Prompt Engineering
AI Agents
Frontend
Angular
React.js
Apply
Report

Whatnot

whatnot.com
Whatnot is a livestream shopping platform and marketplace backed by Andreessen Horowitz, Y Combinator, and CapitalG.
whatnot.com • Berlin • New York • San Francisco • Marketplaces • Commerce • Social Commerce
Berlin • New York • San Francisco • Marketplaces • Commerce • Social Commerce
$117k – $234k per year (Estimated) • Middle • 4+ years expRemote/Hybrid (New York, United States) • Relocation • Visa sponsorship • Bachelor's Degree • Internship • Middle
Elixir
JavaScript
Python
TypeScript
Apply
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Metanomaly

metanomaly.co.jp
Metanomaly is behind PixAI, a character generation engine that enables users to generate virtual characters and avatars using generative AI.
metanomaly.co.jp • Tokyo • LLM & Generative AI • Artificial Intelligence • Generative Image
Tokyo • LLM & Generative AI • Artificial Intelligence • Generative Image
$42k – $97k per year (Estimated) • Senior • 5+ years expIn office (Tokyo, Japan) • Relocation • Full-Time • Senior
Node JS
SQL
TypeScript
JavaScript
Databases
PostgreSQL
Snowflake
Frontend
GraphQL
React.js
Tailwind CSS
DevOps
AWS
Docker
Analytics
A/B Testing
Marketing
Amplitude
Apply
2 months ago

Fullstack Engineer

$42k – $96k per year (Estimated) • Senior • 5+ years expIn office (Tokyo, Japan) • Full-Time • Senior
Node JS
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
GraphQL
Analytics
A/B Testing
Apply
Report

Procore Technologies

procore.com
Procore is a software development company disrupting the construction industry by providing cloud-based construction software to clients in 150+ countries with a vast user base of 2 million+ across the globe.
procore.com • Bengaluru • AI Agents • Artificial Intelligence • Project Management • Property Development • Software • Est. 2002
Bengaluru • AI Agents • Artificial Intelligence • Project Management • Property Development • Software • Est. 2002
$45k – $98k per year (Estimated) • Staff+ • 8+ years expIn office (Bengaluru, India) • Bachelor's Degree • Staff
JavaScript
Node JS
SQL
TypeScript
Node JS
Nest.JS
TypeORM
Databases
Google BigQuery
MySQL
Redis
Frontend
esbuild
GraphQL
Material UI
React.js
Redux
Mobile
State Management
DevOps
AWS
AWS Lambda
CircleCI
Docker
Rest API
Terraform
Amazon ECS
Amazon S3
QA
Jest
Apply
Report
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.