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

Aion

aion.io
Aion is an enterprise artificial intelligence company headquartered in San Francisco, California, and founded in 2025 by Jayden Watson and Christian Angermayer. The company offers a platform for building, fine tuning, and deploying AI systems and agents in production, sold together with forward deployed engineers who implement it inside the customer organization. It runs teams across the United States, the United Kingdom, and India, targeting enterprises that want working AI systems rather than pilots.
aion.io • HQ: San Francisco, United States • AI Infrastructure • Hardware • IT Consulting • LLM & Generative AI • AI Agents • Artificial Intelligence • Information Technology • 201-500 employees • Est. 2025
HQ: San Francisco, United States • AI Infrastructure • Hardware • IT Consulting • LLM & Generative AI • AI Agents • Artificial Intelligence • Information Technology • 201-500 employees • Est. 2025
Verified live · 1 hour ago 2 months ago

AI Engineer

$29k – $119k per year (Estimated)In office (Bengaluru, India) • Full-Time
Python
Databases
Chroma
Milvus
pgvector
Pinecone
Weaviate
PostgreSQL
AI/ML
AI Agents
AutoGen
CrewAI
Fine-tuning
Hallucination
LangChain
LangGraph
LlamaIndex
LLM
Multimodal AI
Prompt Engineering
RAG
Claude
Gemini
Llama
Mistral
PyTorch
TensorFlow
TensorRT
TensorRT-LLM
vLLM
TGI
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
Rest API
Vector
Apply
Report

Fuku

eatfuku.com
Fuku is a fast-casual restaurant concept founded by chef David Chang that specializes in Asian- and Southern-inspired spicy fried chicken. Originating from a secret menu item at Momofuku Noodle Bar in New York, the brand has grown into a standalone culinary concept known for its signature chicken sandos, tenders, and sides. Today, Fuku operates through brick-and-mortar locations, major sports arenas, airports, and high-traffic venues across the United States.
eatfuku.com • HQ: New York, United States • Delivery • Food & Beverages • Catering & Food Services • 501-1000 employees
HQ: New York, United States • Delivery • Food & Beverages • Catering & Food Services • 501-1000 employees
Senior • In office (Kuala Lumpur, Malaysia) • Full-Time • Senior
C++
Python
DevOps
CI/CD
Rest API
AWS
Azure
Docker
GCP
Git
Jenkins
Kubernetes
QEMU
Web3
Layer 2
Management
Jira
QA
Robot Framework
Apply
Open 104 daysVerified live · 1 hour ago 4 months ago

Senior Software Engineer

Senior • In office (Kuala Lumpur, Malaysia) • Full-Time • Senior
PHP
JavaScript
PHP
Laravel
Yii
Frontend
Bootstrap
JQuery
DevOps
CI/CD
Rest API
Apply
Open 125 daysVerified live · 1 hour ago 5 months ago

Senior Software Engineer

$23k – $61k per year (Estimated) • Senior • In office (Mumbai, India) • Full-Time • Senior
PHP
JavaScript
PHP
Laravel
Yii
Frontend
Bootstrap
JQuery
DevOps
CI/CD
Rest API
Apply
Report

SupportYourApp

supportyourapp.com
SupportYourApp is an international customer support outsourcing company headquartered in Wilmington, Delaware, with a strong operational presence in Ukraine and across Europe. Founded in 2010, the company provides 24/7 multi-channel, multilingual customer service, technical support, and desk solutions tailored primarily for tech startups, SaaS providers, and global enterprises. Through secure, ISO-certified practices and AI-enhanced workflows, the firm enables growing businesses to scale their user engagement and retention globally.
supportyourapp.com • HQ: Kyiv, Ukraine • Professional Services • IT Outsourcing • Technical Support • Est. 2010
HQ: Kyiv, Ukraine • Professional Services • IT Outsourcing • Technical Support • Est. 2010
Verified live · 8 hours ago 2 months ago

(fluent Ukrainian) Frontend Product Engineer (Vue/Nuxt, global)

Remote (Ukraine) • Contractor • Ukrainian: C1
SQL
TypeScript
Node JS
JavaScript
Node JS
Express
Databases
ElasticSearch
Redis
AI/ML
Claude
Claude Code
Cursor
LLM
AI Agents
Anthropic
Function Calling
LLM Guardrails
Model Context Protocol
OpenAI
Frontend
Pinia
Sass
Socket.IO
Tailwind CSS
Vite
Vue.js
Vuetify
Mobile
Material Design
DevOps
Rest API
Design
Figma
Marketing
Amplitude
Apply
Remote (Poland, Spain, Ukraine) • Contractor • Ukrainian: C1
JavaScript
PHP
PHP
WordPress
Frontend
Tailwind CSS
Webpack
DevOps
Rest API
Marketing
HubSpot
Apply
Report

Pushpay

pushpay.com
Pushpay is a financial technology and software company headquartered in Redmond, Washington, and founded in 2011. The company provides a comprehensive donor management system, digital giving platform, and church management software designed specifically for faith-based organizations and non-profits. It serves thousands of churches and parishes across North America and Oceania, offering integrated tools for engagement, administration, and live streaming through its ChurchStaq and ParishStaq platforms.
pushpay.com • HQ: Redmond, United States • Media & Entertainment • Event Management • Events & Ticketing • Customer Relationship Management (CRM) • Software • Payments • FinTech • Financial Services • Est. 2011
HQ: Redmond, United States • Media & Entertainment • Event Management • Events & Ticketing • Customer Relationship Management (CRM) • Software • Payments • FinTech • Financial Services • Est. 2011
Verified live · 3 hours ago 2 months ago

Senior Site Reliability Engineer

Senior • Remote/Hybrid (Auckland, New Zealand) • Senior
JavaScript
PowerShell
Python
Rust
C#
C#
.NET
Frontend
GraphQL
DevOps
AWS
Azure
CI/CD
CloudFormation
GCP
Git
GitHub Actions
Jenkins
Rest API
SRE
Terraform
GitHub
Apply
Report

Oneleet

oneleet.com
Oneleet is a cybersecurity company that provides security and compliance management solutions for business customers. Its platform delivers tools for organizing information security programs, managing governance processes, and maintaining compliance with relevant standards for corporate clients.
oneleet.com • HQ: San Francisco, United States • Information Security • Cybersecurity • Security Compliance
HQ: San Francisco, United States • Information Security • Cybersecurity • Security Compliance
Verified live · 1 day ago 2 months ago

Backend Engineer

$90k – $120k per year • Junior • 2+ years expIn office • Bachelor's Degree • Full-Time • Junior
Go
TypeScript
Databases
PostgreSQL
DevOps
gRPC
Rest API
Cybersecurity
ISO 27001
SOC 2
Apply
Open 96 daysVerified live · 1 day ago 4 months ago

Backend Engineer

$120k – $180k per year • Senior • 5+ years expIn office • Bachelor's Degree • Full-Time • Senior
Go
TypeScript
Databases
PostgreSQL
DevOps
gRPC
Rest API
Cybersecurity
ISO 27001
SOC 2
Apply
Open 302 daysVerified live · 1 day ago 10 months ago

Application Software Engineer, Endpoint Security

$110k – $180k per year • Senior • 5+ years expIn office • Bachelor's Degree • Full-Time • Senior
JavaScript
DevOps
gRPC
Rest API
Cybersecurity
HIPAA
ISO 27001
SOC 2
Apply
Report

Databento

databento.com
Databento streamlines access to market data, offering a user-friendly self-service platform. Customers can quickly obtain live exchange feeds and vast amounts of historical data, with flexible pricing based solely on usage.
databento.com • San Francisco • New York • London • Beijing • Salt Lake City • Financial Services • Data & Analytics • Capital Markets
San Francisco • New York • London • Beijing • Salt Lake City • Financial Services • Data & Analytics • Capital Markets
Verified live · 4 hours ago 2 months ago

Software Engineer (TypeScript/JavaScript)

$120k – $254k per year (Estimated)Boston • Remote (United States) • PhD
JavaScript
Python
Rust
TypeScript
Frontend
npm
React.js
Redux
Storybook
Vite
WebAssembly
DevOps
CI/CD
Rest API
WebSockets
Design
Figma
Apply
Report

Nylas

nylas.com
Nylas provides a platform for email, calendar, and contacts. The company is headquartered in San Francisco, California.
nylas.com • Toronto • San Francisco • Denver • New York • Vancouver • Artificial Intelligence • AI Agents • Email Services & Providers
Toronto • San Francisco • Denver • New York • Vancouver • Artificial Intelligence • AI Agents • Email Services & Providers
2 months ago

Software Engineer

$70k – $197k per year (Estimated) • Middle • 4+ years exp • Remote (United States, Canada) • Visa sponsorship • Bachelor's Degree • Middle
Go
TypeScript
JavaScript
Databases
PostgreSQL
Redis
AI/ML
LLM
Frontend
React.js
GraphQL
Next.js
DevOps
Platform Engineering
gRPC
Rest API
Design
Figma
Apply
Verified live · 1 hour ago 2 months ago

Software Engineer

$86k – $115k per year • Middle • 4+ years expToronto • Remote (Canada) • Visa sponsorship • Full-Time • Middle
Go
TypeScript
JavaScript
Databases
PostgreSQL
Redis
AI/ML
LLM
Frontend
React.js
GraphQL
Next.js
DevOps
Platform Engineering
gRPC
Rest API
Design
Figma
Apply
Report

Trucordia

trucordia.com
Discover Trucordia — a national group of insurance brokerage firms delivering tailored risk management solutions for individuals, businesses, and industries.
trucordia.com • Sacramento • Fresno • San Francisco • Philadelphia • Framingham • Professional Services • Financial Services • Insurance
Sacramento • Fresno • San Francisco • Philadelphia • Framingham • Professional Services • Financial Services • Insurance
Verified live · 26 min ago 2 months ago

Senior Full Stack Engineer - AI Platforms

$133k – $239k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Lindon, United States) • Full-Time • Senior
JavaScript
Python
TypeScript
AI/ML
LangGraph
LLM
LangChain
Model Context Protocol
OpenAI
RAG
Frontend
Next.js
React.js
DevOps
AWS
Azure
CI/CD
GCP
Git
Rest API
Management
Jira
Apply
Report

Jamf

jamf.com
Jamf is a leading provider of Apple device management solutions. The company's platform helps businesses manage and secure their Apple devices, including iPhones, iPads, and Macs. Jamf's platform offers a range of features, including: Device enrollment App management Security and compliance Data management Support and troubleshooting Jamf's platform is designed to be user-friendly and scalable, with a focus on providing businesses with the tools they need to manage their Apple devices effectively.
jamf.com • London • Minneapolis • Amsterdam • Katowice • Brno • Data Quality • Data Management • Smartphones • Est. 2002
London • Minneapolis • Amsterdam • Katowice • Brno • Data Quality • Data Management • Smartphones • Est. 2002
Verified live · 10 hours ago 2 months ago

Senior Software Engineer (Java & Python)

$91k – $165k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Internship • Senior
Java
Python
Java
Spring Boot
Python
Django
AI/ML
Copilot
Cursor
DevOps
AWS
Jenkins
Rest API
GitHub
Cybersecurity
Auth0
Apply
Report

Tradeify

tradeify.in
tradeify.in • Boca Raton • New York • Software • Financial Services • Capital Markets
Boca Raton • New York • Software • Financial Services • Capital Markets
Verified live · 1 day ago 2 months ago

Full Stack Engineer

$120k – $130k per year • Middle • 4+ years exp • Remote (United States) • Contractor • Middle
C#
Go
Node JS
Python
JavaScript
Databases
MySQL
PostgreSQL
Redis
Apache Kafka
ClickHouse
NATS
TimescaleDB
Frontend
Next.js
React.js
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Rest API
WebSockets
Apply
Report

SimpliSafe

simplisafe.com
SimpliSafe is a home security company headquartered in Boston, Massachusetts, and founded in 2006. The company designs and manufactures wireless security systems, including motion sensors, entry sensors, indoor and outdoor cameras, and smoke detectors, all of which are integrated with professional monitoring services. It serves over six million customers across the United States and the United Kingdom, offering DIY installation and no-contract subscription plans for residential and small business security.
simplisafe.com • HQ: Boston, United States • IoT Security • Cybersecurity • Security Services • Professional Services • Consumer Electronics • Smart Home Devices • Consumer Goods • Security Products • Est. 2006
HQ: Boston, United States • IoT Security • Cybersecurity • Security Services • Professional Services • Consumer Electronics • Smart Home Devices • Consumer Goods • Security Products • Est. 2006
Verified live · 7 hours ago 2 months ago

Financial Systems Analyst II- Business Systems

$72k – $95k per year • Middle • Remote/Hybrid (Boston, United States) • Bachelor's Degree • Middle
JavaScript
DevOps
Datadog
Grafana
Rest API
Apply
Report

Devsinc

devsinc.com
Devsinc helps startups, enterprises and public sector clients accelerate their technology life cycle, by unlocking access to 2,000+ passionate and experienced engineers.
devsinc.com • HQ: Lahore, Pakistan • HQ: San Jose, United States • IT Outsourcing • Information Technology • Software
HQ: Lahore, Pakistan • HQ: San Jose, United States • IT Outsourcing • Information Technology • Software
$23k – $171k per year (Estimated) • Junior • 2+ years exp • Remote (Pakistan, Saudi Arabia, United States) • Visa sponsorship • Bachelor's Degree • Senior
Objective-C
Swift
Mobile
Combine
Core Data
MVC
MVVM
SwiftUI
UIKit
Bitrise
Fastlane
XCTest
DevOps
CI/CD
Git
Rest API
Apply
Report

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
$28k – $73k per year (Estimated) • Junior • 2+ years expKatowice • Remote (Poland) • Junior
Python
SQL
Python
FastAPI
pySpark
Databases
Databricks
AI/ML
Spark
Mobile
Clean Architecture
DevOps
Azure
CI/CD
GitHub Actions
Rest API
GitHub
Docker
Analytics
Power BI
Management
Power Apps
Power Automate
Apply
$60k – $93k per year (Estimated) • Senior • 4+ years expWarsaw • Remote (Poland) • Contractor • Senior
JavaScript
Node JS
TypeScript
Node JS
Express
Mongoose
Frontend
React.js
DevOps
Azure
Azure DevOps
Git
Rest API
QA
Jest
Swagger
Apply
$7k – $92k per year (Estimated) • Junior • 2+ years expWarsaw • Remote (Poland) • Junior
JavaScript
TypeScript
Frontend
React.js
styled-components
DevOps
Docker
Git
Rest API
GitHub
Azure
Azure DevOps
Apply
Report

Supra Brokers S.A.

suprabrokers.pl
suprabrokers.pl • Wrocław • Financial Services • Insurance
Wrocław • Financial Services • Insurance
$50k – $91k per year (Estimated)In office (Wrocław, Poland) • Full-Time • Polish: C1
C#
JavaScript
PHP
Python
SQL
Python
Django
Flask
AI/ML
LLM
Frontend
JQuery
DevOps
Rest API
GitHub
Cybersecurity
OWASP Top 10
Apply
$33k – $66k per year (Estimated) • Junior • In office (Wrocław, Poland) • Full-Time • Junior • Polish: C1
C#
JavaScript
PHP
Python
SQL
Python
Django
Flask
AI/ML
LLM
Frontend
JQuery
DevOps
Rest API
GitHub
Cybersecurity
OWASP Top 10
Apply
Report
Appzlogic is a software development company specializing in web and mobile application development, IoT, web, and mobile automation, functional and performance testing, smart wearable devices, and more.
appzlogic.com • Noida • Information Technology • Software • Mobile App Development • Est. 2015
Noida • Information Technology • Software • Mobile App Development • Est. 2015
2 months ago

Android Developer

$13k – $48k per year (Estimated) • Middle • 4+ years expIn office (Noida, India) • Middle
Java
Kotlin
Kotlin
Dagger
Hilt
Kotlin Coroutines
Retrofit
Databases
SQLite
Mobile
Android SDK
Crashlytics
Dependency Injection
Firebase
Jetpack Compose
Material Design
MVVM
Room
ViewModel
WorkManager
DevOps
Git
Rest API
CI/CD
Apply
Report

upGrad

upgrad.com
upGrad offers online accredited courses and certificates for professionals, in relevant industries such as E-Commerce, Big Data and BFSI. Courses are taught by professors of top class universities.
upgrad.com • Noida • Delhi • Bengaluru • Mumbai • Hyderabad • Education • Higher Education • E-learning • Est. 2015
Noida • Delhi • Bengaluru • Mumbai • Hyderabad • Education • Higher Education • E-learning • Est. 2015
$64k – $167k per year (Estimated) • Junior • 1+ year exp • Remote (India, Pakistan) • Bachelor's Degree • Junior
Bash
Python
TypeScript
JavaScript
Python
Asyncio
Django
FastAPI
SQLAlchemy
Databases
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Docker
Git
Rest API
QA
Pytest
Apply
Report

Arintra

arintra.com
Arintra is a healthcare technology company based in Austin, Texas, and founded in 2019. The company provides an AI-driven autonomous medical coding and revenue assurance platform that integrates with electronic health record systems to automate insurance claim submissions. It operates across more than 23 medical specialties and multiple care settings, serving large health systems and provider groups throughout the United States.
arintra.com • HQ: Austin, United States • Billing & Invoicing • Natural Language Processing • Business Process Automation (BPA) • Software • Artificial Intelligence • Medical AI • Health Care • Digital Health • Est. 2019
HQ: Austin, United States • Billing & Invoicing • Natural Language Processing • Business Process Automation (BPA) • Software • Artificial Intelligence • Medical AI • Health Care • Digital Health • Est. 2019
2 months ago

SDE - I

$17k – $45k per year (Estimated) • Junior • 1+ year expIn office (Bengaluru, India) • Junior
Java
Python
SQL
Databases
Google BigQuery
DevOps
AWS
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
IAM
Apply
$16k – $43k per year (Estimated) • Junior • 1+ year expIn office (Bengaluru, India) • Junior
Java
Python
SQL
DevOps
AWS
CI/CD
Docker
GCP
Git
GitHub Actions
Jenkins
Rest API
GitHub
Apply
2 months ago

AI Agents Engineer

$25k – $70k per year (Estimated) • Middle • 3+ years expIn office (Bengaluru, India) • Middle
Python
SQL
Databases
Google BigQuery
AI/ML
Claude
CrewAI
DSPy
Function Calling
LangChain
LlamaIndex
LLM
Anthropic
Structured Outputs
AI Agents
Time Series Forecasting
DevOps
CI/CD
Docker
PagerDuty
Rest API
GitHub
Management
Jira
Slack
Apply
Report

HackerEarth

hackerearth.com
HackerEarth offers an online platform for companies to list real-world programming challenges to find the right talent. Recruiters can either provide their own challenges or choose from the library of questions.
hackerearth.com • Bengaluru • Education • Human Resources • Skill Assessment • Est. 2012
Bengaluru • Education • Human Resources • Skill Assessment • Est. 2012
2 months ago

Frontend Engineer

$4.5k – $54k per year (Estimated) • Junior • 2+ years expIn office (Bengaluru, India) • Junior
JavaScript
TypeScript
AI/ML
Claude
Claude Code
Cursor
LLM
OpenAI Codex
Frontend
React.js
Redux
DevOps
Git
Rest API
QA
Jest
Mocha
Apply
2 months ago

Sr. Software Engineer

$25k – $67k per year (Estimated) • Senior • 3+ years expIn office (Bengaluru, India) • Senior
Go
Java
Node JS
Python
JavaScript
Databases
DynamoDB
ElasticSearch
MySQL
Redis
Apache Kafka
RabbitMQ
DevOps
AWS
Azure
CI/CD
GCP
Git
Rest API
Docker
Kubernetes
Apply
Report

Hrdn

hrdn.ru
hrdn.ru • Tashkent • Professional Services • Human Resources
Tashkent • Professional Services • Human Resources
Verified live · 7 hours ago 2 months ago

React Native Developer

up to $24k per year • Junior • 2+ years expTashkent • Remote (Uzbekistan) • Full-Time • Junior • Russian: C1
JavaScript
TypeScript
Frontend
React.js
Mobile
React Native
Firebase
MVP
DevOps
Rest API
Apply
Report

Liquide

liquide.life
Liquide is a financial service-providing organization that focuses on building valuable digital businesses while helping traders and investors by finding investment ideas and making them accessible and profitable.
liquide.life • Bengaluru • Financial Services • FinTech • Capital Markets • Est. 2021
Bengaluru • Financial Services • FinTech • Capital Markets • Est. 2021
$4.5k – $55k per year (Estimated) • Junior • 2+ years expIn office (Bengaluru, India) • Junior
JavaScript
TypeScript
Frontend
React.js
Mobile
React Native
State Management
DevOps
Rest API
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.