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

Partner One Capital

partneronecapital.com
PartnerOne is a private equity firm that specializes in acquiring, growing, and operating enterprise software and technology companies. Operating with a long-term buy-and-hold strategy, the firm focuses on established B2B software businesses with mission-critical products and recurring revenue streams. By providing capital, operational expertise, and corporate governance, the company helps its portfolio businesses optimize performance, scale customer bases, and maintain market stability.
partneronecapital.com • HQ: Riverside, United States • HQ: Montreal, Canada • Venture Capital • Software • Financial Services
HQ: Riverside, United States • HQ: Montreal, Canada • Venture Capital • Software • Financial Services
Open 236 daysVerified live · 2 hours ago 8 months ago

Associate Automation Engineer

$10k – $38k per year (Estimated) • Junior • Remote (India) • Junior
Java
Python
SQL
Databases
MySQL
Mobile
Espresso
XCTest
DevOps
Rest API
QA
Appium
Playwright
Selenium
XCUITest
Apply
Open 329 daysVerified live · 2 hours ago 11 months ago

Java Developer

$32k – $174k per year (Estimated) • Remote (Argentina, Brazil, Colombia, Peru, Uruguay)
Java
SQL
Java
Hibernate
Apache Tomcat
Databases
Oracle
RabbitMQ
DevOps
Rest API
Apply
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Polars

pola.rs
Polars is a high-performance DataFrame library for Python and Rust. Built on Apache Arrow, it.
Open 237 daysVerified live · 1 day ago 8 months ago

Platform Engineer (Rust)

$65k – $196k per year (Estimated) • Equity • In office
Rust
AI/ML
Polars
DevOps
gRPC
Rest API
GitHub
Apply
Report

Kalshi

kalshi.com
Kalshi is a financial exchange headquartered in New York City and founded in 2018 by Tarek Mansour and Luana Lopes Lara. The company operates a regulated event contracts market where people trade binary outcomes on questions covering economics, elections, weather, and sport. It is designated as a contract market by the Commodity Futures Trading Commission, which distinguishes it legally from sportsbooks and offshore prediction sites.
kalshi.com • HQ: New York, United States • Sports Betting • Sports • DeFi • Blockchain & Crypto • Capital Markets • FinTech • Financial Services • Est. 2018
HQ: New York, United States • Sports Betting • Sports • DeFi • Blockchain & Crypto • Capital Markets • FinTech • Financial Services • Est. 2018
Open 238 daysTop 25% pay 8 months ago

Software Engineer, Product

$200k – $280k per year • Middle • 4+ years expIn office (New York, United States) • Bachelor's Degree • Full-Time • Middle
Go
Java
Databases
MySQL
PostgreSQL
DevOps
Rest API
AWS
Azure
GCP
WebSockets
Analytics
A/B Testing
Apply
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T-Systems

t-systems.com
T-Systems is a global IT services and digital transformation provider operating as a subsidiary of Deutsche Telekom. Headquartered in Germany, the company specializes in cloud computing, cybersecurity, big data solutions, and system integration for large enterprises and public sector organizations. By leveraging deep industry expertise and secure European infrastructure, it enables clients to modernize their operations and drive sustainable digital innovation.
t-systems.com • HQ: Frankfurt am Main, Germany • Software • Cloud Computing • Information Technology • 5000+ employees
HQ: Frankfurt am Main, Germany • Software • Cloud Computing • Information Technology • 5000+ employees
Verified live · 3 hours ago 9 months ago

AI Engineer

$27k – $111k per year (Estimated)In office (Pune, India) • Full-Time
Node JS
Python
JavaScript
Databases
Databricks
PostgreSQL
AI/ML
AI Agents
Copilot
CrewAI
LangGraph
LlamaIndex
RAG
LangChain
A2A
Context Engineering
Model Context Protocol
LLM
DevOps
Rest API
GitHub
Apply
Report

Intralot

intralot.com
Intralot is a Greek gaming technology company founded in 1992 and based in Athens. It supplies lottery and betting systems to state operators around the world. The company is listed on the Athens Stock Exchange and operates on several continents.
intralot.com • HQ: Athens, Greece • iGaming & Gambling • Sports Betting • Financial Services • 1001-5000 employees • Est. 1992
HQ: Athens, Greece • iGaming & Gambling • Sports Betting • Financial Services • 1001-5000 employees • Est. 1992
Open 258 daysVerified live · 1 day ago 9 months ago

Oracle PL/SQL Developer

$22k – $39k per year • Middle • 3+ years expIn office • Middle
Java
SQL
Java
Hibernate
Spring Boot
Databases
Oracle
DevOps
Rest API
AWS
Bitbucket
CI/CD
Git
Analytics
ETL/ELT
Apply
Report

Pipe17

pipe17.com
Pipe17 pairs AI-native connectivity & enterprise-grade order management capabilities in one. Speed, simplicity, and scale from day one.
pipe17.com • Seattle • London • Supply Chain • Commerce • Software
Seattle • London • Supply Chain • Commerce • Software
Open 259 daysVerified live · 9 hours ago 9 months ago

LATAM/Americas ERP (Netsuite) Solution Consultant - Implementation

$48k – $135k per year (Estimated) • Middle • 4+ years exp • Remote (LATAM) • Middle
PHP
PHP
WooCommerce
AI/ML
AI Agents
Model Context Protocol
DevOps
Rest API
Management
Zapier
Apply
Report
CompuGroup Medical is a global e-health company providing software solutions such as electronic health records, billing, payment, and revenue cycle management to support healthcare providers to improve efficiency.
cgm.com • Bengaluru • Seattle • Sacramento • Fresno • Kansas City • Digital Health • Software • Health Care • 5000+ employees • Est. 1987
Bengaluru • Seattle • Sacramento • Fresno • Kansas City • Digital Health • Software • Health Care • 5000+ employees • Est. 1987
Open 272 daysVerified live · 5 hours ago 9 months ago

(Senior) Softwareentwickler C# /.NET eHealth (m/w/d)

$63k – $126k per year (Estimated) • Senior • In office (Erlangen, Germany) • Full-Time • Senior • German: B2
C#
SQL
C#
.NET
Blazor
DevOps
Rest API
Apply
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Remedy Product Studio

remedyproduct.com
Remedy Product Studio works with founders on strategy, execution, and launch of digital products. We collaborate with Seed to Series C companies across healthcare, data, and finance/commerce technology. We have been a long-term partner to companies including ClassPass, HealthReveal, H1 Insights, Sommsation, Ash, and Caraway Health.
remedyproduct.com • Information Technology • Design & Creative • Software
Information Technology • Design & Creative • Software
Open 276 daysVerified live · 2 days ago 10 months ago

Full Stack Engineer (Python, Javascript)

$40k – $115k per year (Estimated) • Senior • 5+ years exp • Remote (Brazil, Colombia, Costa Rica, El Salvador) • Full-Time • Senior • English: B2
JavaScript
Python
Python
Django
FastAPI
Flask
Databases
MySQL
PostgreSQL
Frontend
GraphQL
React.js
Vue.js
DevOps
CI/CD
CircleCI
GCP
GitHub Actions
GitLab CI
Rest API
Travis CI
GitHub
GitLab
Apply
Open 1225 daysVerified live · 2 days ago 3 years ago

Backend Engineer (Python)

$40k – $114k per year (Estimated) • Senior • 5+ years exp • Remote (Brazil, Costa Rica, El Salvador) • Full-Time • Senior • English: B2
JavaScript
Node JS
Python
TypeScript
Python
Celery
Django
FastAPI
Databases
MySQL
PostgreSQL
Frontend
GraphQL
React.js
Svelte
Vue.js
DevOps
AWS
CI/CD
CircleCI
Docker
GitHub Actions
GitLab CI
Jenkins
Rest API
Travis CI
Amazon ECS
GitHub
GitLab
Apply
Open 1256 daysVerified live · 2 days ago 3 years ago

Mobile Engineer (Flutter)

$36k – $81k per year (Estimated) • Middle • 4+ years expRemote/Hybrid • Full-Time • Middle
Dart
Swift
Dart
Riverpod
Frontend
GraphQL
Mobile
Adaptive UI
Flutter
State Management
DevOps
AWS
CI/CD
GCP
Git
GitHub Actions
GitLab CI
Rest API
GitHub
GitLab
Apply
Report

Tensorlake

tensorlake.ai
Sandboxes for AI agents. Securely run untrusted, LLM-generated code in isolated Firecracker microVM sandboxes that scale from one to thousands — with snapshot, suspend/resume, and durable orchestration.
tensorlake.ai • San Francisco • LLM & Generative AI • Artificial Intelligence • AI Agents
San Francisco • LLM & Generative AI • Artificial Intelligence • AI Agents
Open 279 daysVerified live · 1 day ago 10 months ago

Senior Product Engineer

$133k – $227k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
JavaScript
Rust
Python
TypeScript
Databases
PostgreSQL
Frontend
React.js
Next.js
DevOps
Rest API
Apply
Report

Clerk

clerk.ai
Build verified Voice & RCS agents with Belle using natural language. Branded, trusted, and compliant by default — from idea to agentic in 10 minutes.
clerk.ai • Montreal • San Francisco • Virtual Events • E-learning • AI Agents
Montreal • San Francisco • Virtual Events • E-learning • AI Agents
Open 282 daysVerified live · 7 hours ago 10 months ago

Forward Deployed Engineer

$108k – $221k per year (Estimated) • Equity • In office (Montreal, Canada)
AI Agents
LLM
Prompt Engineering
DevOps
Rest API
Apply
Report

MP Solutions

mpsolutions.com
MP Solutions (Maritime Planning Solutions) is a specialized marine engineering and traffic management consultancy that provides planning, design, and risk assessment services for maritime transport and waterfront infrastructure projects.
mpsolutions.com • HQ: Budapest, Hungary • Transport Infrastructure • Science & Engineering • Marine & Ocean Engineering
HQ: Budapest, Hungary • Transport Infrastructure • Science & Engineering • Marine & Ocean Engineering
Verified live · 22 min ago 10 months ago

Python QA Engineer

In office (Budapest, Hungary) • Bachelor's Degree • Full-Time
PHP
Python
SQL
Databases
MariaDB
MySQL
DevOps
CI/CD
Rest API
QA
Appium
Selenium
Apply
Report

Intellectsoft

intellectsoft.com
Intellectsoft is a global software development company that provides a wide range of services, including mobile app development, web development, cloud computing, data analytics, and more. The company has a team of experienced developers who are committed to delivering high-quality software solutions. Intellectsoft has a strong reputation for its expertise in various technologies, and it has worked with a wide range of clients across different industries.
intellectsoft.com • HQ: Bengaluru, India • Information Technology • Mobile App Development • Software
HQ: Bengaluru, India • Information Technology • Mobile App Development • Software
Open 286 daysVerified live · 1 day ago 10 months ago

Senior Shopify Developer (IR-471)

$62k – $152k per year (Estimated) • Senior • 8+ years exp • Remote (Argentina, Brazil, Colombia) • Master's Degree • Full-Time • Senior • Spanish: B2 (Optional)
JavaScript
Node JS
TypeScript
C#
C#
.NET
Frontend
GraphQL
Next.js
React.js
Remix
Sass
DevOps
AWS
CI/CD
Cloudflare
Git
GitHub
GitHub Actions
Rest API
Analytics
A/B Testing
Design
Figma
Marketing
GA4
QA
Jest
Playwright
Apply
Report

Underline

underline.vc
underline.vc • Berlin • Munich
Berlin • Munich
Open 294 daysVerified live · 4 hours ago 10 months ago

Senior Backend Engineer (m/f/d)

$81k – $104k per year • Equity • Senior • 5+ years expBerlin • Remote (Germany) • Full-Time • Senior
C++
Go
Java
Python
SQL
Databases
PostgreSQL
DevOps
AWS
Rest API
Ansible
Kubernetes
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
Open 300 daysVerified live · 2 hours ago 10 months ago

IT architect PowerBI

$34k – $80k per year (Estimated) • Staff+ • 5+ years expIn office (Bengaluru, India) • Bachelor's Degree • Full-Time • Senior • English
Databricks
DevOps
Azure
CI/CD
Rest API
Analytics
Power BI
Apply
Report

Colonist Blog

colonist.io
Free online alternative to the popular board game Settlers of Catan. Play single or multiplayer. No download or sign up required!
Open 305 days 11 months ago

Product Engineer

Remote (Germany, Malaysia, Poland, Serbia, Turkey) • Full-Time
TypeScript
SQL
DevOps
CI/CD
Git
Rest API
Apply
Report

Enveda Biosciences

enveda.com
Enveda Biosciences is a drug discovery company founded in 2019 that searches the chemistry of plants and other organisms for new medicines. It applies machine learning to mass spectrometry data to identify molecules that traditional screening cannot interpret, building a map of natural chemical space. The company has advanced its own candidates into clinical development from that platform.
enveda.com • HQ: Boulder, United States • Est. 2019
HQ: Boulder, United States • Est. 2019
Open 312 days 11 months ago

Sr. Software Engineer, Lab Sciences

$23k – $61k per year (Estimated) • Senior • 3+ years expIn office (Hyderabad, Pakistan) • Full-Time • Senior
Python
SQL
TypeScript
JavaScript
Python
FastAPI
Databases
Databricks
Delta Lake
AI/ML
Prefect
Frontend
Vue.js
DevOps
Azure
CI/CD
Rest API
Management
Slack
Apply
Report

Spear

spear.ai
Transforming maritime operations with AI-powered sensing, software, and services.
spear.ai • Washington • Cybersecurity • Hardware • Artificial Intelligence
Washington • Cybersecurity • Hardware • Artificial Intelligence
Open 315 days 11 months ago

Machine Learning Engineer

$122k – $267k per year (Estimated)In office (Washington, United States) • Relocation • Full-Time
Python
AI/ML
PyTorch
Time Series Forecasting
Knowledge Distillation
Quantization
Reinforcement Learning
DevOps
AWS
Azure
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
Management
Slack
Apply
Report

TekEnable

tekenable.com
TekEnable is an Irish software company founded in 2002 and headquartered in Dublin. It builds business applications and automation on the Microsoft platform. The company works with insurers, utilities and public bodies.
tekenable.com • HQ: Dublin, Ireland • Cybersecurity • Information Technology • 51-200 employees • Est. 2002
HQ: Dublin, Ireland • Cybersecurity • Information Technology • 51-200 employees • Est. 2002
Open 319 daysVerified live · 1 day ago 11 months ago

Senior Power Platform Developer/Solution Architect

$84k – $202k per year (Estimated) • Staff+ • Remote/Hybrid (Dublin, Ireland) • Bachelor's Degree • Contractor • Architect
C#
SQL
JavaScript
TypeScript
C#
.NET
Frontend
React.js
DevOps
Azure
Azure DevOps
CI/CD
Rest API
Analytics
ETL/ELT
Power BI
Management
Power Automate
Apply
Report

Canonical

canonical.com
Canonical is the publisher of Ubuntu, the world's most widely used Linux distribution, headquartered in London. Founded in 2004 by Mark Shuttleworth, the company provides enterprise-grade services, support, and security for open-source software, enabling organizations to deploy and manage workloads consistently across diverse environments. Their portfolio spans the entire compute spectrum - from public and private cloud infrastructure (OpenStack), container orchestration (Kubernetes/MicroK8s), and data center management to specialized edge and IoT computing.
canonical.com • HQ: London, United Kingdom • Artificial Intelligence • Software • Information Technology • 1001-5000 employees • Est. 2004
HQ: London, United Kingdom • Artificial Intelligence • Software • Information Technology • 1001-5000 employees • Est. 2004
Open 320 daysVerified live · 1 day ago 11 months ago

Kernel Build Automation Engineer - Ubuntu Linux

In office
Python
Go
JavaScript
DevOps
Ubuntu
CI/CD
Debian
Rest API
Apply
Open 550 daysVerified live · 1 day ago 1 year ago

Software Architect - Containers / Virtualisation

Staff+ • Remote/Hybrid • Bachelor's Degree • Architect
Go
DevOps
Debian
Rest API
Ubuntu
Apply
Open 1051 dayVerified live · 1 day ago 3 years ago

Microservices Engineer

Remote/Hybrid • Bachelor's Degree
Go
Python
DevOps
CI/CD
Debian
Docker
Kubernetes
Rest API
Ubuntu
Apply
Report

TEGNA Inc.

tegna.com
Tegna Inc. is an American publicly traded broadcast, digital media and marketing services company headquartered in Tysons, Virginia. It was created on June 29, 2015, when the Gannett Company split into two publicly traded companies.
tegna.com • Austin • Washington • Atlanta • Dallas • New Orleans • News Agencies • Media & Entertainment • Broadcasting
Austin • Washington • Atlanta • Dallas • New Orleans • News Agencies • Media & Entertainment • Broadcasting
Open 326 daysVerified live · 5 hours ago 11 months ago

Solutions Architect

$145k – $265k per year (Estimated) • Staff+ • 5+ years expRemote/Hybrid (Knoxville, United States) • Relocation • Part-Time • Architect
CI/CD
Rest API
Apply
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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.