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

Lightning Labs

lightning.engineering
Lightning Labs is a bitcoin infrastructure company headquartered in San Francisco, California, and founded in 2016. The company maintains lnd, the most widely deployed implementation of the Lightning Network, a payment layer that settles bitcoin transactions off chain for speed and low fees. It also builds Taproot Assets for issuing tokens on bitcoin and sells developer tooling and node services to exchanges, wallets, and payment companies.
lightning.engineering • HQ: San Francisco, United States • Asset Tokenization • Crypto Payments • Blockchain Infrastructure • Blockchain & Crypto • Cryptocurrencies • Est. 2016
HQ: San Francisco, United States • Asset Tokenization • Crypto Payments • Blockchain Infrastructure • Blockchain & Crypto • Cryptocurrencies • Est. 2016
Open 337 daysVerified live · 1 day ago 12 months ago

Full Stack Engineer

$128k – $262k per year (Estimated) • Remote (United States) • Full-Time
TypeScript
JavaScript
Go
AI/ML
AI Agents
Claude
Claude Code
Cursor
OpenAI Codex
Frontend
Emotion
Next.js
React.js
D3.js
Bootstrap
visx
WebAssembly
DevOps
Rest API
GitHub
Web3
Bitcoin
QA
Jest
Playwright
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Robinhood

robinhood.com
Robinhood is a pioneer in commission-free trading, providing a popular financial platform for investing in stocks, options, ETFs, and cryptocurrencies. Designed with a mobile-first approach, the platform lowers traditional barriers to entry by offering features like fractional shares, high-yield cash accounts, and intuitive digital tools.
robinhood.com • HQ: Menlo Park, United States • Financial Services • Capital Markets • FinTech • 1001-5000 employees
HQ: Menlo Park, United States • Financial Services • Capital Markets • FinTech • 1001-5000 employees
Open 339 daysVerified live · 1 hour ago 12 months ago

Senior Software Engineer, Backend

$104k – $227k per year (Estimated) • Equity • Senior • 5+ years expIn office (Menlo Park, United States) • Senior
Rest API
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Dexterity

dexterity.ai
Dexterity is an American robotics and artificial intelligence company that builds autonomous manipulation systems for warehouse automation and supply chain operations. Founded in 2017 and headquartered in Redwood City, California, the company develops full-stack robotic solutions that integrate advanced computer vision, force control, and machine learning to handle complex, unstructured physical tasks. Its AI-powered robots excel at activities such as parcel singulation, palletizing, depalletizing, and truck loading, enabling major logistics providers to boost throughput and address supply chain labor shortages.
dexterity.ai • HQ: Redwood City, United States • Robotics • Artificial Intelligence • Logistics & Warehouse Robotics
HQ: Redwood City, United States • Robotics • Artificial Intelligence • Logistics & Warehouse Robotics
Open 342 daysVerified live · 1 day ago 12 months ago

Forward Deployed Engineer

$130k – $170k per year • In office (Redwood City, United States) • Bachelor's Degree
Bash
C++
Python
SQL
DevOps
ArgoCD
Grafana
Kibana
AWS
Azure
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
Robotics
Foxglove Studio
Management
Jira
Marketing
Zendesk
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Open 404 daysTop 25% pay 1 year ago

Application Support Engineer

$120k – $160k per year • In office (Redwood City, United States) • Bachelor's Degree
Bash
Python
SQL
DevOps
ArgoCD
AWS
Azure
Docker
GCP
Grafana
Kibana
Kubernetes
CI/CD
GitHub Actions
Rest API
GitHub
Robotics
Foxglove Studio
Management
Jira
Marketing
Zendesk
Apply
Report

Siro

siro.at
Fashion For Furniture – Zierbeschläge für Möbel. Seit über 70 Jahren zählt SIRO zu einem der führenden Hersteller dekorativer Möbelbeschläge.
siro.at • New York • Exhibitions • Lighting
New York • Exhibitions • Lighting
Open 344 daysTop 25% pay 12 months ago

Staff Software Engineer, Full Stack

$284k – $325k per year • Staff+ • 10+ years expIn office (New York, United States) • Full-Time • Staff
Node JS
TypeScript
JavaScript
Kotlin
AI/ML
Edge AI
Frontend
React.js
Next.js
Mobile
React Native
DevOps
Rest API
Datadog
GCP
Git
Design
Figma
Marketing
Salesforce
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Open 344 daysTop 25% pay 12 months ago

Senior Software Engineer, Full Stack

$240k per year • Senior • 6+ years expIn office (New York, United States) • Full-Time • Senior
Node JS
TypeScript
JavaScript
Kotlin
AI/ML
Edge AI
Frontend
React.js
Next.js
Mobile
React Native
DevOps
Rest API
Datadog
GCP
Git
Design
Figma
Marketing
Salesforce
Apply
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Arcana

arcana.io
Arcana enables institutional investors to understand their portfolio risks, decompose single stock & book performance, drill into crowding, and isolate their idiosyncratic differentiation. Built on our proprietary crowding, ownership, factor risk, and performance datasets.
arcana.io • HQ: New York, United States • Financial Services • Risk Management • Asset Management • 501-1000 employees • Est. 2022
HQ: New York, United States • Financial Services • Risk Management • Asset Management • 501-1000 employees • Est. 2022
Open 349 daysVerified live · 1 day ago 12 months ago

SDET

$12k – $38k per year (Estimated) • Middle • 3+ years expIn office (Coimbatore, India) • Middle
JavaScript
Python
SQL
Frontend
GraphQL
DevOps
AWS
Bitbucket
CI/CD
GCP
Git
Rest API
QA
Playwright
Selenium
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Yodeck

yodeck.com
Flipnode offers complete unified communications and digital signage software solutions. Always aiming to meet the needs of small and medium-sized businesses, we have created an integrated solution of technological infrastructure for each type of b...
yodeck.com • Athens • Columbia • Nicosia • Financial Services • Hardware • Audio Visual • Est. 2015
Athens • Columbia • Nicosia • Financial Services • Hardware • Audio Visual • Est. 2015
Open 351 day 12 months ago

Full Stack Developer

Equity • Middle • 3+ years expRemote/Hybrid (Athens, Greece) • Full-Time • Middle • English
JavaScript
Python
Python
Celery
Django
Flask
Frontend
Bootstrap
React.js
DevOps
Rest API
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ANYbotics

anybotics.com
ANYbotics is a legged robotics company headquartered in Zurich, Switzerland, and founded in 2016 as a spin-off from ETH Zurich. The company builds ANYmal, a four legged inspection robot that navigates industrial sites autonomously and collects visual, thermal, and acoustic data. It sells mainly to oil and gas, chemical, power generation, and mining operators that use the robot for routine plant inspection in hazardous environments.
anybotics.com • HQ: Zurich, Switzerland • Sensors • Hardware • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • Industrial Robotics • 201-500 employees • Est. 2016
HQ: Zurich, Switzerland • Sensors • Hardware • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • Industrial Robotics • 201-500 employees • Est. 2016
Intern • In office (Zurich, Switzerland) • Bachelor's Degree • Internship • Intern
C++
Python
C++
PyTorch C++
AI/ML
Computer Vision
ONNX
TensorRT
PyTorch
DevOps
Docker
Rest API
Robotics
Obstacle Avoidance
Apply
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Rogo

rogoag.com
Rogo is an artificial intelligence company headquartered in New York City and founded in 2021. The company builds an AI analyst for financial services that reads filings, transcripts, research, and internal deal documents, then drafts the models, comparables, and pitch materials bankers assemble by hand. It sells to investment banks, private equity firms, and asset managers that need the work done inside their own data perimeter.
rogoag.com • HQ: New York, United States • Capital Markets • LLM & Generative AI • Investment Banking • Financial Services • Financial AI • Artificial Intelligence • Est. 2021
HQ: New York, United States • Capital Markets • LLM & Generative AI • Investment Banking • Financial Services • Financial AI • Artificial Intelligence • Est. 2021
Open 392 daysTop 25% pay 1 year ago

Lead iOS Engineer

$250k – $315k per year • Lead • 5+ years expIn office (New York, United States) • Full-Time • Staff
Swift
Mobile
SwiftUI
UIKit
DevOps
AWS
Azure
gRPC
Rest API
Design
Figma
Apply
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Dyna Robotics

dynarobotics.com
Dyna Robotics is a robotics foundation model company headquartered in Redwood City, California, and founded in 2024. The company trains general purpose manipulation models that let a single robot arm learn commercial tasks such as folding, packing, and handling from demonstration rather than explicit programming. It targets repetitive physical work in laundries, restaurants, and light manufacturing, and publishes model progress through its DYNA series of releases.
dynarobotics.com • HQ: Redwood City, United States • Multimodal AI • Service & Hospitality Robotics • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • 51-200 employees • Est. 2024
HQ: Redwood City, United States • Multimodal AI • Service & Hospitality Robotics • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • 51-200 employees • Est. 2024
Open 397 daysTop 25% pay 1 year ago

Full-Stack Robotics Software Engineer

$180k – $270k per year • Senior • 5+ years expIn office (Redwood City, United States) • Full-Time • Senior
C++
Python
AI/ML
NumPy
SciPy
DevOps
Rest API
Robotics
Pinocchio
Teleoperation
Imitation Learning
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Bounteous

bounteous.com
Bounteous is a digital experience consultancy headquartered in Chicago, Illinois, and founded in 2003. The company delivers strategy, commerce, analytics, marketing technology, and custom engineering work through long running co-innovation engagements with enterprise clients. It merged with Accolite Digital in 2022, which added delivery centers in India, and serves customers in retail, financial services, healthcare, and hospitality.
bounteous.com • HQ: Chicago, United States • Sales & Marketing • E-commerce Platforms • IT Consulting • Information Technology • Digital Design • Design & Creative • Commerce • Est. 2003
HQ: Chicago, United States • Sales & Marketing • E-commerce Platforms • IT Consulting • Information Technology • Digital Design • Design & Creative • Commerce • Est. 2003
Verified live · 3 hours ago 5 days ago

Associate Test Manager(AEM)

$46k – $121k per year (Estimated) • Junior • 8+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Junior
SQL
Frontend
GraphQL
DevOps
Azure
Azure DevOps
CI/CD
Git
Jenkins
Rest API
Cybersecurity
GDPR
Design
Figma
Management
Confluence
QA
Cypress
Playwright
Postman
Rest-Assured
Selenium
Swagger
JMeter
Apply
Open 414 daysVerified live · 3 hours ago 1 year ago

Senior Murex Integration Developer

$36k – $102k per year (Estimated) • Senior • 8+ years expIn office (Mexico City, Mexico) • Contractor • Senior
SQL
COBOL
COBOL
IBM MQ
Databases
Oracle
Apache Kafka
DevOps
Rest API
Cybersecurity
GDPR
Apply
Report

Consid

consid.com
Consid is a leading digital transformation and IT consulting company. They specialize in helping companies and organizations realize their visions through sustainable digitalization, offering services from strategy to implementation. Their expertise spans digital transformation, communication, and development, focusing on creating user-centered solutions that drive business impact and customer experience.
consid.com • Warsaw • Gdańsk • Software • Information Technology • IT Consulting • 51-200 employees
Warsaw • Gdańsk • Software • Information Technology • IT Consulting • 51-200 employees
Open 415 daysVerified live · 1 day ago 1 year ago

Java Developer

Middle • 4+ years expIn office • Middle • English: C1 (Optional)
Java
Kotlin
JavaScript
SQL
TypeScript
Java
Spring Boot
Hazelcast
Resilience4j
Kotlin
Mockito
Databases
Apache Kafka
RabbitMQ
MySQL
PostgreSQL
Redis
Frontend
Vue.js
Mobile
JUnit
DevOps
Amazon EC2
Amazon EKS
AWS
CI/CD
Docker
GitHub Actions
GitOps
Helm
Jenkins
Kubernetes
Rest API
Amazon S3
GitHub
IAM
ArgoCD
Kibana
Splunk
Terraform
Cybersecurity
OWASP Top 10
Management
Confluence
Jira
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Bringg

bringg.com
Bringg is an Israeli delivery orchestration platform used by retailers and logistics providers to manage last mile operations. It routes orders across in house fleets and third party couriers while giving customers live tracking. The company works with large grocery and retail chains across Europe and North America.
bringg.com • HQ: Tel Aviv, Israel • Artificial Intelligence • Est. 2013
HQ: Tel Aviv, Israel • Artificial Intelligence • Est. 2013
Open 426 daysVerified live · 1 hour ago 1 year ago

Application Support Engineer

Junior • 2+ years expRemote/Hybrid • Bachelor's Degree • Junior
SQL
Databases
OpenSearch
DevOps
Grafana
Kibana
Rest API
Splunk
Apply
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Convera

convera.com
Convera is a global financial technology firm headquartered in Seattle, Washington, founded in 2021 after the acquisition of Western Union Business Solutions. The company offers cross-border payment processing, foreign exchange risk management through hedging products, and multi-currency account services for commercial clients. It serves over 26,000 customers across more than 200 countries and territories, facilitating transactions in over 140 currencies through its proprietary digital platform.
convera.com • HQ: Seattle, United States • Higher Education • Education • Risk Management • FinTech • Financial Services • Payments • Est. 2021
HQ: Seattle, United States • Higher Education • Education • Risk Management • FinTech • Financial Services • Payments • Est. 2021
$162k – $199k per year • Senior • Denver • Remote (United States) • Bachelor's Degree • Senior
SQL
COBOL
Java
COBOL
IBM MQ
Java
Spring Boot
Spring Security
Databases
Couchbase
Oracle
PostgreSQL
DevOps
AWS
Azure
CI/CD
Jenkins
Rest API
Apply
Report

The Castle blog

castle.io
Skip to content About us We're building trust infrastructure for the modern internet Join our team Castle provides developer-grade infrastructure to stop bots, abuse, and fraud. We turn user behavior into real-time signals that power security for companies like Canva, Rockstar Games, and Atlassian.
castle.io • New York • Peripherals
New York • Peripherals
Open 454 days 1 year ago

Backend Software Engineer

$98k – $145k per year • Remote/Hybrid (New York, United States) • Bachelor's Degree • Full-Time
Python
Python
Django
DevOps
CI/CD
Rest API
Apply
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Sei

sei.io
Sei is a blockchain project founded in 2022 that optimises its base layer specifically for trading applications. It includes parallel execution and order matching directly in the protocol to reduce latency for exchanges built on top of it. The network has since adopted Ethereum Virtual Machine compatibility to broaden its developer base.
sei.io • HQ: Singapore • Design & Creative • Branding • Blockchain & Crypto • 51-200 employees • Est. 2022
HQ: Singapore • Design & Creative • Branding • Blockchain & Crypto • 51-200 employees • Est. 2022
Open 462 daysVerified live · 1 day ago 1 year ago

Protocol Software Engineer - Consensus

$141k – $254k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (New York, United States) • Full-Time • Senior
Databricks
DevOps
Rest API
Web3
Sei
Apply
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Faktion

faktion.com
Faktion is a Belgian artificial intelligence company founded in 2017 and based in Antwerp. It develops computer vision, language and decision systems for industrial and enterprise customers. The company also builds its own products for document understanding and quality inspection.
faktion.com • HQ: Antwerp, Belgium • Government • Software • Artificial Intelligence • Est. 2017
HQ: Antwerp, Belgium • Government • Software • Artificial Intelligence • Est. 2017
Open 480 daysVerified live · 1 day ago 1 year ago

Senior Full-Stack Engineer

Senior • 5+ years expIn office • Senior • Dutch: C2 • English: C2
Node JS
TypeScript
JavaScript
SQL
Node JS
Nest.JS
Databases
Azure Cosmos DB
Azure SQL Database
MySQL
PostgreSQL
Frontend
React.js
Radix UI
Apollo Client
GraphQL
React Query
shadcn/ui
Tailwind CSS
Turborepo
Mobile
React Native
DevOps
AWS
Azure
Azure AKS
Azure DevOps
CI/CD
Docker
GitHub Actions
Kubernetes
Rest API
GitHub
Robotics
Apollo
QA
Cypress
Jest
Apply
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Renmoney

renmoney.com
Renmoney is the loan app in Nigeria for instant personal loans up to ₦10M, high-yield savings up to 22% p.a., and easy bill payments. Borrow, save, and pay bills with a CBN-licensed bank. Trusted by 5M+ Nigerians.
renmoney.com • HQ: Lagos, Nigeria • FinTech • Financial Services • Lending • Est. 2012
HQ: Lagos, Nigeria • FinTech • Financial Services • Lending • Est. 2012
Open 506 daysVerified live · 10 hours ago 1 year ago

Product Manager - Front-End Channels (Mobile/Web)

Senior • 5+ years expRemote/Hybrid (Lagos, Nigeria) • Bachelor's Degree • Full-Time • Senior
SQL
Mobile
Firebase
DevOps
Rest API
Design
Figma
Management
Confluence
Miro
Marketing
Mixpanel
Apply
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Wolfpack Digital

wolfpack-digital.com
Wolfpack Digital is a Romanian software company founded in 2016 and based in Cluj-Napoca. It designs and builds mobile and web applications for startups and scale-ups worldwide. The company works across fintech, health and mobility products.
wolfpack-digital.com • HQ: Cluj-Napoca, Romania • Health Care • Software • Design & Creative • Est. 2016
HQ: Cluj-Napoca, Romania • Health Care • Software • Design & Creative • Est. 2016
Open 517 daysVerified live · 2 days ago 1 year ago

Senior Software Engineer

$32k – $40k per year (Estimated) • Senior • 6+ years expRemote/Hybrid (Cluj-Napoca, Romania) • Full-Time • Senior
JavaScript
Databases
PostgreSQL
DevOps
AWS
Azure
CI/CD
Docker
Git
Kubernetes
Rest API
Apply
Open 2385 daysVerified live · 2 days ago 6 years ago

QA Specialist

Middle • 4+ years expRemote/Hybrid (Cluj-Napoca, Romania) • Full-Time • Middle
Rest API
QA
Postman
Apply
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Singular

singular.net
Unify your marketing data, measure true ROI, and unlock actionable insights with Singular’s AI-powered attribution and analytics platform.
singular.net • Tel Aviv • Austin • Beijing • E-learning • Analytics Platforms • Artificial Intelligence • Est. 2014
Tel Aviv • Austin • Beijing • E-learning • Analytics Platforms • Artificial Intelligence • Est. 2014
Open 547 daysVerified live · 1 day ago 1 year ago

Product Support Engineer

$11k – $29k per year (Estimated) • Junior • 2+ years expIn office • Full-Time • Junior
SQL
AI/ML
ChatGPT
Claude
DevOps
Rest API
QA
Postman
Apply
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Suno

suno.com
Suno is a generative artificial intelligence technology platform specializing in AI-driven music creation. Founded in 2022 by a team of machine learning experts and audio engineers in Cambridge, Massachusetts, the platform allows users to generate complete, high-quality songs - including vocals, instrumentation, and custom lyrics - from simple text prompts.
suno.com • HQ: Cambridge, United States • Artificial Intelligence • Music Industry • Speech & Audio AI • 201-500 employees
HQ: Cambridge, United States • Artificial Intelligence • Music Industry • Speech & Audio AI • 201-500 employees
Open 565 daysTop 25% pay 1 year ago

Software Engineer, Android

$188k – $247k per year • Equity • Middle • 3+ years expIn office (Los Angeles, United States) • Bachelor's Degree • Full-Time • Middle
Kotlin
Mobile
Jetpack Compose
Exoplayer
Material Design
Media3
DevOps
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.