Rest API Jobs - Remote & On-site

Rest API jobs at vetted startups and product companies on Alion. Search backend, API design and integration roles; many positions support remote work and salary ranges are shown where available. Listings updated daily. 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

Advox Studio

advox.pl
Sklep na Magento, PWA, wdrożenie Symfony, a może jeszcze inny produkt lub integracja? U nas otrzymasz wszystko, co niezbędne - eCommerce 360 właśnie dla Twoich potrzeb!
advox.pl • Poznań • Warsaw • Software • E-commerce Platforms • Web Development
Poznań • Warsaw • Software • E-commerce Platforms • Web Development
1 month ago

Tester Manualny

$18k – $27k per year • Poznań • Remote (Poland) • Full-Time • Polish: C1
JavaScript
SQL
TypeScript
PHP
PHP
Magento
Frontend
GraphQL
DevOps
Git
GitLab CI
Jenkins
Rest API
GitLab
Management
Jira
QA
Chrome DevTools
Playwright
Postman
Apply
Report

Exclaimer

exclaimer.com
Consistent, compliant email signatures—without the IT headaches. Stop wasting time on scripts, policies, and support tickets. Exclaimer automates signatures across Microsoft 365, Google Workspace, and Exchange in minutes.
exclaimer.com • London • Sydney • Sofia • Boston • Productivity Software • Advertising • Software • Communication & Collaboration • 201-500 employees
London • Sydney • Sofia • Boston • Productivity Software • Advertising • Software • Communication & Collaboration • 201-500 employees
Verified live · 1 day ago 1 month ago

Senior Product Manager

$106k – $169k per year (Estimated) • Senior • London • Remote (United Kingdom) • Senior
Apex
Apex
MuleSoft
AI/ML
Claude
Anthropic
DevOps
Rest API
Azure
Design
Figma
Management
Confluence
Jira
Marketing
Salesforce
QA
Postman
Apply
Report

Better Collective

bettercollective.com
Better Collective is a Danish digital media company founded in 2004 and based in Copenhagen. It runs sports betting media platforms and performance marketing technology worldwide. The company is listed on Nasdaq Stockholm.
bettercollective.com • HQ: Copenhagen, Denmark • Sports • Sports Media • Media & Entertainment • Est. 2004
HQ: Copenhagen, Denmark • Sports • Sports Media • Media & Entertainment • Est. 2004
Verified live · 3 hours ago 1 month ago

Senior Data Acquisition & Automation Specialist

Senior • In office • Senior
Python
AI/ML
AI Agents
Firecrawl
LLM
Prompt Engineering
DevOps
Rest API
Management
Make.com
n8n
QA
Selenium
Apply
Report

Altkom Software

altkomsoftware.com
Altkom Software is a Warsaw software house founded in 1994 as part of the Altkom group. It builds core insurance, banking and pension systems and delivers custom Java and cloud engineering for financial institutions. The company works with clients across Poland, the Nordics and Western Europe.
altkomsoftware.com • HQ: Warsaw, Poland • Software • Banking • Financial Services • Est. 1994
HQ: Warsaw, Poland • Software • Banking • Financial Services • Est. 1994
In office • Polish: C1
Swift
Mobile
Clean Architecture
Combine
MVVM
SwiftUI
TestFlight
UIKit
VIPER
DevOps
Rest API
Apply
Middle • 4+ years expRemote/Hybrid • Middle • English: B2
Swift
Mobile
Clean Architecture
Combine
MVVM
SwiftUI
TestFlight
UIKit
VIPER
DevOps
Rest API
Cybersecurity
GDPR
Apply
Middle • 4+ years expRemote/Hybrid • Middle • English: B2
Rest API
Cybersecurity
GDPR
Management
Confluence
Jira
Apply
Report

Dagma

dagma.com.pl
We introduce class-leading cybersecurity solutions to the market. We carry out IT security audits. We train IT experts. We implement. We organize events.
dagma.com.pl • Katowice • Network Security • Information Security • Cybersecurity
Katowice • Network Security • Information Security • Cybersecurity
1 month ago

IT Solution Architect

$69k – $115k per year (Estimated) • Staff+ • Katowice • Remote (Poland) • Full-Time • Architect • Polish: C1
SQL
Databases
MS SQL
DevOps
Rest API
Analytics
Power BI
ETL/ELT
Apply
Report

PozycjonowanieStron.pl

pozycjonowaniestron.pl
Pozycjonowanie stron - Najlepsza agencja SEO w Polsce do Państwa dyspozycji. Pełen zakres usług dla Państwa firmy.
pozycjonowaniestron.pl • Kraków • Sales & Marketing • Search Engine Optimization (SEO) • Est. 2016
Kraków • Sales & Marketing • Search Engine Optimization (SEO) • Est. 2016
$24k – $64k per year • In office (Kraków, Poland) • Full-Time • Polish: C1
PHP
PHP
WooCommerce
WordPress
Databases
MySQL
Redis
DevOps
Cloudflare
Git
Rest API
GitHub
Apply
Report

SolarWinds

solarwinds.com
SolarWinds provides infrastructure monitoring and information technology management software. Its products cover networks, systems, databases and service desks for practitioners. The company sells broadly to mid-market technology teams.
solarwinds.com • HQ: Austin, United States • Managed IT Services • IT Management • Information Technology • Est. 1999
HQ: Austin, United States • Managed IT Services • IT Management • Information Technology • Est. 1999
Verified live · 1 hour ago 1 month ago

Software Engineer

$21k – $59k per year (Estimated) • Middle • 3+ years expIn office (Bengaluru, India) • Bachelor's Degree • Middle
Go
Java
Kotlin
Node JS
Python
JavaScript
Java
Spring Boot
Node JS
Nest.JS
Python
Django
Databases
Apache Kafka
RabbitMQ
Redis
DevOps
Git
Rest API
AWS
Azure
CI/CD
Docker
GCP
Platform Engineering
Apply
Report

Ai2Cyber

ai2cyber.com
We are a cybersecurity firm dedicated to providing cutting-edge solutions to protect businesses and individuals from evolving cyber threats. Our mission is to empower organisations to navigate the complex cybersecurity landscape with confidence. We believe that by combining robust security solutions, continuous improvement, and a proactive mindset, we can help our clients stay one step ahead of cyber attackers.
ai2cyber.com • Cybersecurity AI • Security Operations • Cybersecurity
Cybersecurity AI • Security Operations • Cybersecurity
1 month ago

Full Stack Developer

Remote (Greece) • Full-Time
JavaScript
Python
TypeScript
Python
Django
FastAPI
Flask
Celery
SQLAlchemy
Databases
PostgreSQL
Redis
AI/ML
LLM
Frontend
React.js
Mobile
Clean Architecture
DevOps
Docker
Git
Rest API
CI/CD
Apply
Report

Checkout.com

checkout.com
Checkout.com is a London payments company founded in 2012 that processes card and alternative payments for large online merchants. It built a full stack acquiring and processing platform rather than assembling third party components, which lets it optimise authorisation rates directly. Its customers include marketplaces, streaming services and digital asset platforms across Europe, the Middle East and Asia.
checkout.com • HQ: London, United Kingdom • Blockchain & Crypto • Financial Services • Artificial Intelligence • 51-200 employees • Est. 2012
HQ: London, United Kingdom • Blockchain & Crypto • Financial Services • Artificial Intelligence • 51-200 employees • Est. 2012
Verified live · 1 hour ago 1 month ago

Senior Engineering Manager

$120k – $217k per year (Estimated) • Lead • In office (London, United Kingdom) • Full-Time • Senior
C#
Python
SQL
TypeScript
C#
.NET
Databases
Apache Kafka
DevOps
CI/CD
Datadog
Kubernetes
AWS
Docker
GCP
Rest API
Terraform
Apply
Report

Tekion

tekion.com
Tekion is an end-to-end, AI-native automotive retail platform that unifies dealership operations - DMS, CRM, digital retail, service, payments and analytics - on a single cloud-based operating system. Tekion powers 3,000+ dealerships and has processed $43B+ in transactions.
tekion.com • HQ: Pleasanton, United States • Software • Artificial Intelligence • Commerce • Customer Relationship Management (CRM) • 1001-5000 employees • Est. 2016
HQ: Pleasanton, United States • Software • Artificial Intelligence • Commerce • Customer Relationship Management (CRM) • 1001-5000 employees • Est. 2016
$9k – $37k per year (Estimated) • Junior • 2+ years expIn office (Bengaluru, India) • Bachelor's Degree • Junior
Java
SQL
TypeScript
DevOps
CI/CD
Git
Jenkins
Rest API
QA
Playwright
Selenium
Apply
2 months ago

Software Engineer II

$21k – $57k per year (Estimated) • Middle • 4+ years expBengaluru • Remote (India, United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Middle
Python
SQL
Databases
Databricks
AI/ML
AI Agents
dbt
DevOps
CI/CD
Rest API
SLI/SLO/SLA
Analytics
Tableau
Apply
Verified live · 27 min ago 2 months ago

Software Engineer II

$22k – $62k per year (Estimated) • Middle • 4+ years expIn office (Bengaluru, India) • Bachelor's Degree • Full-Time • Middle
Python
SQL
Databases
Databricks
AI/ML
AI Agents
dbt
DevOps
CI/CD
Rest API
SLI/SLO/SLA
Analytics
Tableau
Apply
Report

ShopBack

shopback.com
ShopBack is a shopping rewards and cashback platform headquartered in Singapore and founded in 2014. The company provides a mobile app and browser extension that allow users to earn cashback on purchases from thousands of partner merchants across categories like fashion, electronics, and travel. It operates across ten markets in the Asia-Pacific region, serving millions of shoppers and partnering with major e-commerce platforms and physical retailers to drive sales through performance-based marketing.
shopback.com • HQ: Singapore • Price Comparison • Sales & Marketing • FinTech • Financial Services • Loyalty Programs • Commerce • Est. 2014
HQ: Singapore • Price Comparison • Sales & Marketing • FinTech • Financial Services • Loyalty Programs • Commerce • Est. 2014
Verified live · 1 day ago 1 month ago

Software Engineer Intern - Backend (H1 2027)

Intern • In office (Singapore) • Internship • Intern
ChatGPT
Claude
DevOps
Rest API
Apply
Report
Headquartered in Tokyo, Japan, Mitsubishi UFJ Financial Group (MUFG) is a major global financial services conglomerate and bank holding company. The group operates across commercial banking, trust banking, securities brokerage, asset management, and consumer finance, delivering retail banking, wealth management, and corporate lending solutions.
mufg.com • HQ: Tokyo, Japan • Travel & Tourism • Media & Entertainment • Cybersecurity • Information Security • Broadcasting • Hotels & Resorts • 5000+ employees
HQ: Tokyo, Japan • Travel & Tourism • Media & Entertainment • Cybersecurity • Information Security • Broadcasting • Hotels & Resorts • 5000+ employees
Verified live · 3 hours ago 1 month ago

Associate Technical Lead

Lead • 8+ years expIn office • Bachelor's Degree • Staff
C#
JavaScript
TypeScript
C#
.NET
Databases
Redis
Frontend
Angular
React.js
Vue.js
DevOps
CI/CD
Git
Rest API
Azure
Apply
Verified live · 3 hours ago 2 months ago

Test Automation Lead

Lead • 10+ years expIn office • Staff
Azure
Azure DevOps
Bitbucket
CI/CD
Docker
Git
Jenkins
Kubernetes
Rest API
QA
Appium
Postman
Selenium
Swagger
Apply
Report

Milestone Systems

milestonesys.com
Milestone Systems is a global provider of data-driven open-platform video management software (VMS) and security technology solutions. Operating as a standalone entity within the Canon Group, the company's enterprise product suite centers on its flagship XProtect VMS platform alongside integrated offerings like BriefCam advanced video analytics and Arcules cloud surveillance software.
milestonesys.com • Sofia • Copenhagen • Lake Oswego • Sydney • Barcelona • Data & Analytics • Artificial Intelligence • Cybersecurity • 501-1000 employees
Sofia • Copenhagen • Lake Oswego • Sydney • Barcelona • Data & Analytics • Artificial Intelligence • Cybersecurity • 501-1000 employees
Verified live · 1 day ago 1 month ago

.NET Software Engineer

Middle • 3+ years expIn office (Sofia, Bulgaria) • Middle
C#
SQL
C#
.NET
DevOps
CI/CD
Rest API
Apply
Open 113 daysVerified live · 1 day ago 4 months ago

Senior Cloud Engineer

Senior • 6+ years expIn office (Copenhagen, Denmark) • Bachelor's Degree • Senior
C#
Python
TypeScript
JavaScript
C#
.NET
AI/ML
Claude
VLM
Computer Vision
Frontend
Angular
React.js
Web Components
DevOps
AWS
Azure
Azure DevOps
CI/CD
Docker
GCP
GitHub Actions
Rest API
GitHub
Platform Engineering
Apply
Report

Adree

adree.com
adree is a technology-driven company that goes beyond software testing. we specialize in quality assurance (qa), quality control (qc), and low code/no code services. we exist to empower businesses in the digital realm, optimizing their projects wi...
adree.com • Riyadh • Cairo • Quality Assurance
Riyadh • Cairo • Quality Assurance
Verified live · 3 hours ago 1 month ago

UI (Liferay), Developer

In office (Riyadh, Saudi Arabia) • Full-Time
JavaScript
TypeScript
Frontend
Angular
Bootstrap
GraphQL
npm
React.js
Sass
Vue.js
Webpack
DevOps
Git
Rest API
Design
Adobe XD
Figma
Zeplin
Apply
Verified live · 3 hours ago 2 months ago

.Net Backend, Developer

Cairo • Remote (Egypt) • Full-Time
C#
SQL
C#
ASP.NET Core
Dapper
Entity Framework Core
Hangfire
Databases
MySQL
PostgreSQL
Redis
DevOps
Azure
Git
Rest API
Apply
Report

SynergisticIT

synergisticit.com
SynergisticIT is a Fremont, California-based IT workforce development, staffing, and software development firm founded in 2010. The company operates a hybrid model that combines tech upskilling/bootcamps, job placement programs, and IT consulting services for enterprise clients.
synergisticit.com • HQ: Fremont, United States • Human Resources • Corporate Training • Information Technology • Est. 2010
HQ: Fremont, United States • Human Resources • Corporate Training • Information Technology • Est. 2010
$91k – $170k per year (Estimated) • Junior • Remote (United States) • Bachelor's Degree • Full-Time • Junior
C++
JavaScript
Java
Java
Spring Boot
DevOps
Rest API
Apply
$92k – $172k per year (Estimated) • Junior • Remote (United States) • Bachelor's Degree • Full-Time • Junior
C++
JavaScript
Python
Java
Java
Spring Boot
AI/ML
Computer Vision
NLP
Time Series Forecasting
DevOps
Docker
Jenkins
Rest API
Analytics
Power BI
Tableau
Apply
$92k – $171k per year (Estimated) • Junior • Remote (United States) • Bachelor's Degree • Full-Time • Junior
C++
JavaScript
Python
Java
Java
Spring Boot
Databases
Oracle
AI/ML
Computer Vision
NLP
Time Series Forecasting
DevOps
Docker
Jenkins
Rest API
Analytics
Power BI
Tableau
Apply
Report
Paytm, headquartered in Uttar Pradesh, India, and established in 2010, is an e-commerce payment system and financial technology company. They offer full-stack payments and financial solutions to consumers, offline merchants, and online platforms.
paytm.com • Nagpur • Noida • Kochi • Kolkata • Chennai • FinTech • Financial Services • Payments • Est. 2000
Nagpur • Noida • Kochi • Kolkata • Chennai • FinTech • Financial Services • Payments • Est. 2000
$111k – $248k per year (Estimated) • Lead • 6+ years exp • Remote (India, Luxembourg) • Visa sponsorship • Bachelor's Degree • Staff
Java
Node JS
JavaScript
Java
Hibernate
Spring Boot
Resilience4j
Databases
Aerospike
Apache Kafka
ElasticSearch
MySQL
Redis
DevOps
Rest API
AWS
CI/CD
Datadog
Grafana
Prometheus
Apply
Report

Vulcan Elements

vulcanelements.com
Vulcan Elements is an advanced manufacturing company headquartered in Benson, North Carolina, and founded in 2023. The company specializes in the production of rare earth magnets used in electric vehicles, defense systems, satellites, and semiconductor fabrication. It is currently developing the largest rare earth magnet manufacturing facility in the Western Hemisphere to secure domestic supply chains for critical minerals and high-tech industrial applications.
vulcanelements.com • HQ: Benson, United States • Space & Aerospace • Electronic Components • Hardware • Advanced Materials • Manufacturing • Defense Manufacturing • Natural Resources • Rare Earth Metals • Est. 2023
HQ: Benson, United States • Space & Aerospace • Electronic Components • Hardware • Advanced Materials • Manufacturing • Defense Manufacturing • Natural Resources • Rare Earth Metals • Est. 2023
$121k – $214k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Senior
JavaScript
Python
SQL
Databases
PostgreSQL
InfluxDB
TimescaleDB
AI/ML
Time Series Forecasting
DevOps
Rest API
Grafana
Cybersecurity
NIST 800-171
Analytics
ETL/ELT
Tableau
Apply
Verified live · 3 hours ago 2 months ago

Manufacturing Data & MES Engineer

$114k – $223k per year (Estimated) • Senior • 5+ years expIn office (Park, United States) • Bachelor's Degree • Full-Time • Senior
JavaScript
Python
SQL
Databases
PostgreSQL
InfluxDB
TimescaleDB
AI/ML
Time Series Forecasting
DevOps
Rest API
Grafana
Cybersecurity
NIST 800-171
Analytics
ETL/ELT
Tableau
Apply
Verified live · 3 hours ago 2 months ago

Sr. SCADA/HMI Platform Engineer

$99k – $201k per year (Estimated) • Senior • 7+ years expIn office (Park, United States) • Bachelor's Degree • Full-Time • Senior
C++
Python
AI/ML
Time Series Forecasting
DevOps
Rest API
Robotics
EtherCAT
IoT
MQTT
OPC UA
Apply
Report
RTX is comprised of three market-leading businesses - Collins Aerospace, Pratt & Whitney and Raytheon - working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
rtx.com • HQ: Arlington, United States • Manufacturing • Defense Manufacturing • Space & Aerospace • Military • Aerospace Manufacturing • 5000+ employees
HQ: Arlington, United States • Manufacturing • Defense Manufacturing • Space & Aerospace • Military • Aerospace Manufacturing • 5000+ employees
$87k – $165k per year • Senior • 5+ years expUnited States • Remote (United States) • Bachelor's Degree • Full-Time • Senior
C#
JavaScript
SQL
C#
ASP.NET Core
Entity Framework Core
Frontend
Bootstrap
JQuery
DevOps
Azure
Azure DevOps
CI/CD
Git
Rest API
Apply
$87k – $165k per year • Senior • 5+ years exp • Remote (United States) • Relocation • Bachelor's Degree • Full-Time • Secret • Senior
C#
JavaScript
SQL
C#
ASP.NET Core
Entity Framework Core
Frontend
Bootstrap
JQuery
DevOps
Azure
Azure DevOps
CI/CD
Git
Rest API
Cybersecurity
HIPAA
NIST 800-53
Apply
Report

Tenge Bank

tengebank.uz
Tenge Bank is a commercial bank and financial services provider operating across Uzbekistan as a subsidiary of Kazakhstan's Halyk Group. Headquartered in Tashkent, Uzbekistan, the bank delivers modern corporate, small-to-medium enterprise (SME), and retail banking solutions. Its digital products include dedicated web platforms and mobile applications that enable online account management, business lending, and seamless regional money transfers.
tengebank.uz • HQ: Tashkent, Uzbekistan
HQ: Tashkent, Uzbekistan
Verified live · 5 hours ago 1 month ago

Middle Frontend-разработчик

$4.5k – $28k per year (Estimated) • Middle • In office (Tashkent, Uzbekistan) • Full-Time • Middle • Russian: C1
JavaScript
TypeScript
Frontend
Angular
Apache ECharts
RxJS
DevOps
CI/CD
Git
Rest API
GitLab
Management
Confluence
Jira
QA
Postman
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
$36k – $49k per year • Junior • Remote/Hybrid (Poznań, Poland) • Full-Time • Junior • Polish: B2
Java
SQL
Mobile
JUnit
DevOps
Consul
Docker
GitHub Actions
Kubernetes
Rest API
GitHub
QA
Postman
Rest-Assured
TestNG
Apply
$47k – $67k per year • Middle • Remote/Hybrid (Warsaw, Poland) • Full-Time • Middle
C#
SQL
C#
ASP.NET Core
Entity Framework Core
Databases
PostgreSQL
Redis
DevOps
Azure
Consul
Docker
GitHub Actions
Kubernetes
Rest API
Service Mesh
GitHub
Apply
2 months ago

Network Engineer

$31k – $79k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (Poznań, Poland) • Full-Time • Middle • Polish: C1 • Czech (Optional)
Bash
Python
Databases
InfluxDB
DevOps
Ansible
Grafana
Prometheus
Rest API
Terraform
Zabbix
GitHub
IAM
Consul
Docker
GitHub Actions
Kubernetes
Service Mesh
Apply
Report
Rest API Jobs - Remote & On-site
Frequently asked questions
Rest API: How many jobs are available now?
Alion currently lists 4,467 Rest API jobs across multiple companies, updated frequently.
Rest API: What is the typical salary for these roles?
The typical salary for Rest API roles on Alion is about $115,376 USD.
Rest API: Are remote work, relocation, or visa sponsorship options available?
Many Rest API listings are remote or hybrid; individual job posts specify relocation and visa sponsorship when available.
Rest API: How do I apply to jobs on Alion?
Open a Rest API listing to read the details and click apply to submit through the employer or Alion's application process.