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

DriveWealth

drivewealth.com
DriveWealth provides brokerage infrastructure that lets partners embed investing into their apps. Its API supports fractional share trading, account opening and clearing across borders. Banks and fintech firms worldwide use it to offer United States equities.
drivewealth.com • HQ: Chatham, United States • Office Management • Professional Services • Financial Services • Est. 2012
HQ: Chatham, United States • Office Management • Professional Services • Financial Services • Est. 2012
Top 25% payVerified live · 1 hour ago 3 months ago

Principal Software Development Engineer, Digital Assets & Web3

$280k – $310k per year • Equity • Lead • 8+ years expRemote/Hybrid (New York, United States) • Full-Time • Principal
JavaScript
Node JS
TypeScript
Java
Node JS
Nest.JS
Java
Spring Boot
Databases
Apache Kafka
AI/ML
Tokenization
DevOps
CI/CD
Incident Management
OpenTelemetry
Rest API
Cybersecurity
Zero Trust
Web3
Ethers.js
Web3.js
Bitcoin
Ethereum
Smart Contracts
Solana
Apply
$250k – $270k per year • Equity • Lead • 10+ years expRemote/Hybrid (Chicago, United States) • Bachelor's Degree • Full-Time • Principal
Go
Java
SQL
Databases
Apache Kafka
MySQL
PostgreSQL
DevOps
Azure
CI/CD
GCP
Git
Jenkins
Kubernetes
Rest API
Management
Jira
Apply
Report

Enpal

enpal.de
Enpal is a German green-tech unicorn that provides comprehensive solar energy and heat pump solutions for residential homeowners through a flexible subscription model. The company handles the complete installation, maintenance, and insurance of solar systems, energy storage batteries, wallbox chargers, and heat pumps with no upfront investment costs. By linking these system components into a smart virtual power plant, it empowers customers to generate, store, and trade clean electricity while reducing overall grid reliance.
enpal.de • Berlin • Milan • Cologne • Tunis • Stuttgart • EV Charging • Energy & Utilities • Solar Energy • Est. 2017
Berlin • Milan • Cologne • Tunis • Stuttgart • EV Charging • Energy & Utilities • Solar Energy • Est. 2017
Verified live · 3 hours ago 3 months ago

Automation & Software Developer Intern (f/m/x)

Intern • In office (Milan, Italy) • Bachelor's Degree • Internship • Intern • Italian: C1
SQL
AI/ML
AI Agents
Gemini
LangChain
LLM
Anthropic
OpenAI
DevOps
Azure
Docker
Git
Rest API
Apply
Report

Dvisolution

dvisolution.com
dvisolution.com • Manila • Jakarta • Bengaluru • Information Technology
Manila • Jakarta • Bengaluru • Information Technology
Verified live · 1 hour ago 3 months ago

QA Engineer

Remote/Hybrid (Jakarta, Indonesia) • Full-Time
CI/CD
Git
Kong
Rest API
Shift-Left
Cybersecurity
Shift-Left Security
Snyk
SOC 2
SonarQube
QA
Playwright
Postman
Apply
Report

Writesonic

writesonic.com
The AI Search Growth Engine. GEO, AEO, and AI visibility in one platform. Track 10 AI platforms, run the work, prove the lift. Trusted by Amazon, Unilever, Acer & NP Digital.
writesonic.com • HQ: Bengaluru, India • Search Engine Optimization (SEO) • LLM & Generative AI • Artificial Intelligence • Est. 2021
HQ: Bengaluru, India • Search Engine Optimization (SEO) • LLM & Generative AI • Artificial Intelligence • Est. 2021
$19k – $62k per year (Estimated) • Senior • 2+ years exp • Remote (India) • Full-Time • Senior
Python
TypeScript
JavaScript
AI/ML
ChatGPT
Claude
Perplexity
Frontend
Next.js
React.js
DevOps
Rest API
Apply
Open 290 days 10 months ago

Frontend Engineer

$4k – $50k per year (Estimated) • Junior • 2+ years exp • Remote (India) • Bachelor's Degree • Full-Time • Junior
Python
JavaScript
TypeScript
AI/ML
ChatGPT
Claude
Perplexity
Edge AI
Frontend
Next.js
React.js
DevOps
Rest API
Design
Figma
Apply
Report

Teranet

teranet.ca
Teranet is a Canadian technology company founded in 1991 and based in Toronto. It operates the electronic land registry systems for Ontario and Manitoba. The company also provides property data and analytics.
teranet.ca • HQ: Toronto, Canada • Professional Services • Financial Services • Real Estate • Est. 1991
HQ: Toronto, Canada • Professional Services • Financial Services • Real Estate • Est. 1991
Verified live · 1 day ago 3 months ago

Senior Full-Stack Developer

$79k – $173k per year (Estimated) • Senior • 5+ years expIn office (Toronto, Canada) • Bachelor's Degree • Full-Time • Senior
JavaScript
TypeScript
Java
Java
Hibernate
Spring Framework
Databases
MS SQL
MySQL
Oracle
Frontend
Angular
React.js
DevOps
Azure
CI/CD
Rest API
Analytics
ETL/ELT
Apply
Report

Point72

point72.com
Point72 is a global, multi-strategy hedge fund manager founded by Steven A. Cohen that invests across discretionary long/short equity, systematic, and macro strategies. The firm relies heavily on fundamental research, quantitative models, and advanced data analytics to allocate capital across international financial markets. Headquartered in Stamford, Connecticut, it also manages Point72 Ventures, an early-stage venture capital arm focused on investing in emerging technology startups.
point72.com • HQ: Stamford, United States • Venture Capital • Financial Services • Asset Management • 501-1000 employees • Est. 2014
HQ: Stamford, United States • Venture Capital • Financial Services • Asset Management • 501-1000 employees • Est. 2014
Top 25% payVerified live · 1 hour ago 3 months ago

Network Support Engineer

$100k – $150k per year • Middle • 3+ years expIn office (New York, United States) • Bachelor's Degree • Middle
Python
DevOps
Ansible
Rest API
Apply
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Plenti

plenti.com.au
Plenti is a financial technology company that offers a variety of loan products and investment opportunities. Specializing in personal, auto, and renewable energy loans, Plenti provides borrowers with attractive rates and flexible terms. They aim to deliver a faster, fairer way to borrow or invest, allowing customers to achieve their financial goals sooner.
plenti.com.au • Sydney • Adelaide • Perth • Poznań • Credit Cards • Banking • Financial Services • Est. 2014
Sydney • Adelaide • Perth • Poznań • Credit Cards • Banking • Financial Services • Est. 2014
Verified live · 2 days ago 3 months ago

Product Support Engineer

$34k – $88k per year (Estimated) • Junior • 2+ years expRemote/Hybrid (Sydney, Australia) • Full-Time • Junior
SQL
DevOps
Datadog
New Relic
Rest API
SLI/SLO/SLA
QA
Postman
Apply
Report

Roblox Corporation

roblox.com
Roblox Corporation (NYSE: RBLX) is an immersive global online gaming and user-generated content (UGC) platform headquartered in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company operates an end-to-end 3D digital ecosystem consisting of three core components: Roblox Client (the application through which users explore virtual experiences), Roblox Studio (the proprietary toolset that allows creators and developers to build 3D worlds), and Roblox Cloud (the infrastructure that powers real-time services and multiplayer hosting).
roblox.com • HQ: San Mateo, United States • Artificial Intelligence • LLM & Generative AI • Gaming • Metaverse • Game Development • 1001-5000 employees • Est. 2004
HQ: San Mateo, United States • Artificial Intelligence • LLM & Generative AI • Gaming • Metaverse • Game Development • 1001-5000 employees • Est. 2004
Verified live · 2 hours ago 3 months ago

Senior Security Software Engineer, IAM

$119k – $239k per year (Estimated) • Equity • Senior • 4+ years expRemote/Hybrid (San Mateo, United States) • Visa sponsorship • Full-Time • Senior
C#
C++
Go
Java
Python
C#
.NET
AI/ML
AI Agents
LLM
DevOps
Rest API
IAM
Cybersecurity
Least Privilege
Apply
Report

LANDR

landr.com
LANDR is a Canadian music technology company founded in 2012 and based in Montreal. Its platform masters, distributes and collaborates on audio using machine learning. The service is used by millions of musicians.
landr.com • HQ: Montreal, Canada • Artificial Intelligence • Media & Entertainment • Music Industry • Est. 2012
HQ: Montreal, Canada • Artificial Intelligence • Media & Entertainment • Music Industry • Est. 2012
Verified live · 1 day ago 3 months ago

Développeur Frontend Sr / Sr Frontend Developer

$78k – $188k per year (Estimated) • Senior • 10+ years expIn office (Montreal, Canada) • Full-Time • Senior • French: C2 • English: C2
JavaScript
TypeScript
AI/ML
Claude
Claude Code
Copilot
Cursor
LLM
LLM Guardrails
Frontend
CSS Modules
GraphQL
Next.js
Rspack
Vite
Webpack
Zustand
React.js
Mobile
React Native
State Management
DevOps
AWS
CI/CD
GitHub Actions
Rest API
GitHub
Robotics
Apollo
Analytics
A/B Testing
Design
Figma
Marketing
Amplitude
QA
Cypress
Jest
Playwright
Vitest
Apply
Open 453 daysVerified live · 1 day ago 1 year ago

Développeur Backend Sr / Sr Backend Developer

$87k – $190k per year (Estimated) • Senior • 10+ years expIn office (Montreal, Canada) • Full-Time • Senior • French: C2 • English: C2
C#
Python
SQL
C#
gRPC for .NET
Databases
Amazon Aurora
DynamoDB
MySQL
PostgreSQL
AI/ML
Claude
Claude Code
Copilot
Cursor
LangChain
LLM Guardrails
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
AWS
AWS Lambda
CI/CD
Docker
GitHub Actions
gRPC
Rest API
Terraform
Amazon CloudWatch
Amazon ECS
Amazon S3
GitHub
Vector
Apply
Report
Worcester Polytechnic Institute (WPI) is a private research university founded in 1865 in Worcester, Massachusetts. Enrollment: ~7,000 students. Student-to-faculty ratio 14:1. 91% outcomes rate within 6 months. ~$100M annual research expenditures.
wpi.edu • Worcester • Higher Education • Education • Health Care
Worcester • Higher Education • Education • Health Care
Verified live · 1 day ago 3 months ago

Temporary Computer Science Developer

$44k per year • Worcester • Remote (United States) • Contractor
PHP
TypeScript
JavaScript
PHP
Drupal
Frontend
Angular
DevOps
Rest API
Apply
Report

Ginkgo Bioworks

ginkgo.bio
Ginkgo Bioworks operates automated foundries for designing and testing engineered organisms. Partners use its platform to develop enzymes, materials and agricultural biologicals. The company also built a biosecurity monitoring business.
ginkgo.bio • HQ: Boston, United States • Biomedical Engineering • Regenerative Medicine • Biotechnology • Est. 2008
HQ: Boston, United States • Biomedical Engineering • Regenerative Medicine • Biotechnology • Est. 2008
Verified live · 1 day ago 3 months ago

Software Engineer 2, Autonomous Lab

$86k – $120k per year • Equity • Middle • In office (Boston, United States) • Relocation • Bachelor's Degree • Full-Time • Middle
Python
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
LLM Evaluation
Function Calling
LangChain
LLM
Model Context Protocol
Frontend
React.js
DevOps
CI/CD
Kubernetes
AWS
Azure
GCP
Git
Rest API
Apply
Report

Synergy ECP

synergyecp.com
Skip to content Mission Enablement Accelerating mission outcomes by uniting mission operations, MBSE and digital twins, and enterprise automation to modernize workflows and deliver capability faster Our offering Mission Engineering and Operations Support Premium ServiceNow partner delivering…
synergyecp.com • Washington • Columbia • Colorado Springs • Chantilly • Simulation & Digital Twin • Cybersecurity • Information Technology
Washington • Columbia • Colorado Springs • Chantilly • Simulation & Digital Twin • Cybersecurity • Information Technology
$95k – $125k per year • Middle • 5+ years expIn office (Washington, United States) • Bachelor's Degree • Full-Time • Middle
JavaScript
TypeScript
Node JS
Frontend
Angular
React.js
Vue.js
DevOps
Rest API
Azure
Analytics
Power BI
Management
Power Apps
Power Automate
Apply
$125k – $155k per year • Senior • 8+ years expIn office (Washington, United States) • Bachelor's Degree • Full-Time • Senior
JavaScript
SQL
TypeScript
Databases
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Rest API
GitLab
Apply
Report

Sonatype

sonatype.com
Sonatype is a leader in software composition analysis (SCA) and software supply chain management. The company provides solutions to automate software supply chain security, build centralized components, control open source risks, and simplify software bill of materials (SBOM) compliance. Sonatype offers tools such as Nexus Repository, Repository Firewall, Lifecycle, and SBOM Manager, which help developers deliver quality code securely and manage vulnerability risks.
sonatype.com • HQ: Washington, United States • Information Technology • DevSecOps • Cybersecurity
HQ: Washington, United States • Information Technology • DevSecOps • Cybersecurity
Verified live · 1 hour ago 3 months ago

Java Product Support Engineer

$74k – $171k per year (Estimated) • Middle • 3+ years exp • Remote (Colombia) • Full-Time • Middle
Java
SQL
JavaScript
Bash
Python
TypeScript
Java
Maven
Databases
PostgreSQL
AI/ML
Replicate
Frontend
npm
DevOps
AWS
Azure
Docker
Kubernetes
Nexus Repository
Rest API
Bamboo
CI/CD
GCP
Jenkins
Nginx
GitHub
GitLab
Cybersecurity
Sonatype Nexus IQ
SBOM
Snyk
Tcpdump
Wireshark
Apply
Report

Intangles

intangles.ai
Intangles offers AI-powered fleet management with predictive maintenance, digital twin technology, vehicle health, fuel & EV monitoring, driving behavior, real-time data, and operations automation to maximize efficiency and reduce costs.
intangles.ai • Pune • Dallas • Bengaluru • Simulation & Digital Twin • Predictive Analytics • Artificial Intelligence • Est. 2014
Pune • Dallas • Bengaluru • Simulation & Digital Twin • Predictive Analytics • Artificial Intelligence • Est. 2014
3 months ago

Developer-Full Stack

$16k – $43k per year (Estimated) • Middle • 3+ years expIn office (Pune, India) • Bachelor's Degree • Full-Time • Middle
Node JS
Python
SQL
JavaScript
Node JS
Express
Nest.JS
Databases
Apache Kafka
PostgreSQL
RabbitMQ
Redis
TimescaleDB
AI/ML
Time Series Forecasting
Flink
Frontend
GraphQL
DevOps
AWS
CI/CD
Docker
Git
Rest API
Amazon S3
Apply
Report

Glean

glean.com
Glean is an enterprise AI search and work assistant platform designed to connect all of an organization's applications and data sources into a unified knowledge hub. Leveraging advanced natural language processing and generative AI, the platform delivers instant personalized answers, automates workflows, and uncovers internal expertise securely within company permissions.
glean.com • HQ: Palo Alto, United States • Data & Analytics • LLM & Generative AI • Artificial Intelligence • 201-500 employees
HQ: Palo Alto, United States • Data & Analytics • LLM & Generative AI • Artificial Intelligence • 201-500 employees
Verified live · 2 hours ago 3 months ago

Designated Technical Support Engineer

In office (Bengaluru, India)
SQL
AI/ML
AI Agents
LLM
Knowledge Graph
DevOps
AWS
Azure
GCP
Rest API
GitHub
Kubernetes
Cybersecurity
GDPR
Management
ServiceNow
Confluence
Jira
Marketing
Zendesk
Apply
Top 25% payVerified live · 2 hours ago 4 months ago

Software Engineer, APIs & Context Platform

$210k – $300k per year • Senior • 8+ years expIn office (Mountain View, United States) • Bachelor's Degree • Staff
Go
Java
Python
TypeScript
AI/ML
AI Agents
ChatGPT
Copilot
Gemini
LLM
Knowledge Graph
Model Context Protocol
DevOps
Rest API
API Gateway
GitHub
Cybersecurity
GDPR
Management
ServiceNow
Marketing
Zendesk
Apply
Top 25% payVerified live · 2 hours ago 12 months ago

Software Engineer, AI & Security

$140k – $265k per year • Senior • 5+ years expIn office (Mountain View, United States) • Bachelor's Degree • Senior
Go
Java
SQL
TypeScript
AI/ML
AI Agents
LLM
Knowledge Graph
DevOps
Rest API
GitHub
Cybersecurity
GDPR
Management
ServiceNow
Marketing
Zendesk
Apply
Report

Neuroscale AI

neuroscale.ai
Neuroscale AI is an artificial intelligence company that develops automated recruitment and talent evaluation technology. Its flagship platform, Arbi, uses agentic AI to streamline the hiring stack by automatically sourcing candidates, conducting screening assessments, and managing candidate outreach. Headquartered in Sterling, Virginia, the company helps organizations accelerate their hiring processes, evaluate human potential at scale, and reduce administrative recruitment overhead.
neuroscale.ai • Reston • Professional Services • Artificial Intelligence • AI Agents • Human Resources
Reston • Professional Services • Artificial Intelligence • AI Agents • Human Resources
Verified live · 9 hours ago 3 months ago

QA Engineer

$70k – $163k per year (Estimated)Remote/Hybrid • Relocation • Full-Time
Python
JavaScript
Python
Celery
FastAPI
Databases
OpenSearch
PostgreSQL
Redis
AI/ML
Hallucination
LLM
Human-in-the-Loop
LLM Guardrails
RAG
AI Agents
Frontend
React.js
DevOps
AWS
CI/CD
Rest API
Shift-Left
Docker
Cybersecurity
Shift-Left Security
SOC 2
Analytics
A/B Testing
QA
Cypress
JMeter
k6
Locust
Playwright
Postman
Pytest
Rest-Assured
Selenium
Apply
Verified live · 9 hours ago 3 months ago

Forward Deployed Engineer

$125k – $180k per year • Senior • 5+ years expIn office (Reston, United States) • Full-Time • Senior
JavaScript
Node JS
Python
TypeScript
Databases
ElasticSearch
OpenSearch
Pinecone
PostgreSQL
Redis
Weaviate
AI/ML
AI Agents
Embeddings
Explainable AI
Prompt Engineering
RAG
Human-in-the-Loop
DevOps
AWS
Azure
GCP
Rest API
Vector
CI/CD
Docker
Kubernetes
Management
Google Workspace
ServiceNow
Marketing
HubSpot
Salesforce
Apply
Verified live · 9 hours ago 6 months ago

Founding Staff Software Engineer • Python/FastAPI

$100k – $200k per year • Staff+ • In office • Relocation • Full-Time • Staff
Python
Python
Celery
FastAPI
Databases
OpenSearch
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Claude Code
Cursor
DevOps
AWS
CI/CD
Rest API
Apply
Report

True Anomaly

trueanomaly.space
True Anomaly is a defense technology company dedicated to advancing space security and defense capabilities. The company designs and builds innovative spacecraft, such as its highly maneuverable Jackal autonomous orbital vehicles, paired with the Mosaic software platform for advanced mission management.
trueanomaly.space • HQ: Centennial, United States • Space & Aerospace • Military • Space Defense • 1001-5000 employees
HQ: Centennial, United States • Space & Aerospace • Military • Space Defense • 1001-5000 employees
Verified live · 1 hour ago 3 months ago

Platform Engineer, AI (Levels I, II, III)

$78k – $210k per year (Estimated) • Middle • Remote/Hybrid (Denver, United States) • Full-Time • Middle
Python
TypeScript
Python
Pydantic
AI/ML
RAG
Function Calling
Model Context Protocol
CrewAI
LangChain
Pydantic AI
DevOps
Platform Engineering
Rest API
AWS
Azure
CI/CD
GCP
Management
Confluence
Jira
Slack
Apply
Report

KION Group

kiongroup.com
KION Group is a Frankfurt company that owns the Linde and STILL forklift brands and the Dematic automation business. Its supply chain solutions arm builds automated warehouses and the software that runs them for retailers and manufacturers. The group is one of the biggest industrial trucks and automation companies in the world.
kiongroup.com • HQ: Frankfurt am Main, Germany • Artificial Intelligence • Transportation & Logistics • Supply Chain • 5000+ employees • Est. 2006
HQ: Frankfurt am Main, Germany • Artificial Intelligence • Transportation & Logistics • Supply Chain • 5000+ employees • Est. 2006
Verified live · 1 hour ago 3 months ago

SAP Developer

In office (Mexico) • PhD • English: C1
ABAP
DevOps
Incident Management
Rest API
Management
Confluence
Jira
Apply
Report

CreatorIQ

creatoriq.com
Our mission is to create influencer marketing software that's powerful enough for the world's largest companies, yet nimble enough for the next generation of innovative brands. To do that, we're going to need the brightest minds in the business.
creatoriq.com • New York • Manila • Toronto • Los Angeles • Ontario • Influencers • Sales & Marketing • Influencer Marketing • Est. 2014
New York • Manila • Toronto • Los Angeles • Ontario • Influencers • Sales & Marketing • Influencer Marketing • Est. 2014
Verified live · 1 hour ago 3 months ago

Staff Search Engineer

$95k – $118k per year • Staff+ • 10+ years expOntarioColumbiaToronto • Remote (Canada) • Full-Time • Staff • English
Go
JavaScript
Node JS
PHP
Python
TypeScript
PHP
Laravel
Symfony
Databases
ElasticSearch
Amazon Redshift
MS SQL
DevOps
AWS
CI/CD
Rest API
Azure
GCP
Kubernetes
Amazon CloudWatch
Apply
Verified live · 1 hour ago 3 months ago

Staff Search Engineer

$150k – $188k per year • Staff+ • 10+ years expIn office (New York, San Francisco, Chicago, United States) • Full-Time • Staff
Go
JavaScript
Node JS
PHP
Python
TypeScript
PHP
Laravel
Symfony
Databases
ElasticSearch
Amazon Redshift
MS SQL
DevOps
AWS
CI/CD
Rest API
Azure
GCP
Kubernetes
Amazon CloudWatch
Apply
Report

Scan

scan.com
Scan.com is the infrastructure layer connecting payers, providers and patients with imaging centers across the US.
scan.com • Dallas • New York • London • Atlanta • Birmingham • Health Care
Dallas • New York • London • Atlanta • Birmingham • Health Care
Verified live · 1 day ago 3 months ago

Software Engineer, Integrations

$100k – $160k per year • Remote/Hybrid (New York, United States) • Full-Time
C#
Java
Python
Ruby
DevOps
Rest API
SLI/SLO/SLA
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.