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

Different

different.ai
Different is a B2B SaaS marketing platform that builds AI-driven tools around business goals to enable deeper customer engagement and transform how businesses plan and execute marketing.
different.ai • Bengaluru • Marketing Automation • Artificial Intelligence • Sales & Marketing • Est. 2023
Bengaluru • Marketing Automation • Artificial Intelligence • Sales & Marketing • Est. 2023
22 days ago

Founding Engineer

$21k – $59k per year (Estimated) • Middle • 4+ years expIn office (Bengaluru, India) • Middle
Go
Java
Node JS
Python
SQL
JavaScript
DevOps
AWS
Azure
CI/CD
GCP
Git
Rest API
Apply
Report

Trustexam

trustexam.ai
TrustExam.ai is an AI-powered exam integrity platform for governments, universities, and enterprises. Secure online exams with real-time content protection, identity verification, and audit-ready reporting.
trustexam.ai • Astana • Fraud Detection • Education • Artificial Intelligence
Astana • Fraud Detection • Education • Artificial Intelligence
$21k – $27k per year • In office (Astana, Kazakhstan) • Bachelor's Degree • Russian: C1
PHP
Python
JavaScript
PHP
Laravel
Databases
MySQL
PostgreSQL
Frontend
React.js
Vue.js
DevOps
CI/CD
Git
Rest API
Apply
Report

Sarafan

sarafan.uz
Sarafan is an Uzbekistan-based technology company and digital platform specializing in influencer marketing and IT services. Headquartered in Tashkent and registered as an IT Park resident, the organization provides software development, internet project management, and data services. Its core business activity centers on connecting brands with digital creators and bloggers to execute effective advertising campaigns and promotional strategies across online channels.
sarafan.uz • Tashkent
Tashkent
Verified live · 1 hour ago 22 days ago

Mobile-разработчик (Flutter)

$9.6k – $16k per year (net) • Middle • 3+ years expIn office (Tashkent, Uzbekistan) • Bachelor's Degree • Middle • Russian: C1
Dart
Dart
Riverpod
Databases
SQLite
Mobile
Clean Architecture
Crashlytics
Firebase
Flutter
State Management
DevOps
CI/CD
Git
Rest API
Apply
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Nineleaps

nineleaps.com
Nineleaps are enablers of Digital Transformation across industries, helping partner companies become future ready.
nineleaps.com • Bengaluru • Artificial Intelligence • Software • Information Technology • Est. 2014
Bengaluru • Artificial Intelligence • Software • Information Technology • Est. 2014
22 days ago

Full - Stack Engineer

$25k – $67k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Senior
Java
Python
TypeScript
JavaScript
Java
Spring Boot
Python
Asyncio
FastAPI
Databases
Apache Kafka
ElasticSearch
Google BigQuery
PostgreSQL
Redis
Snowflake
Databricks
AI/ML
LLM
Frontend
Next.js
React.js
Redux
Redux Toolkit
Webpack
DevOps
Amazon EKS
AWS
AWS Lambda
Docker
GCP
Google GKE
Grafana
Helm
Kibana
Kubernetes
Rest API
WebSockets
Amazon S3
Cybersecurity
PCI DSS
Analytics
ETL/ELT
QA
Locust
Apply
2 months ago

AI Engineer

$25k – $69k per year (Estimated) • Middle • 3+ years expIn office (Bengaluru, India) • Middle
Node JS
Python
SQL
TypeScript
JavaScript
AI/ML
AI Agents
AutoGen
Claude
CrewAI
Embeddings
LangChain
LangGraph
LLM
Prompt Engineering
RAG
GPT-4
LLM Guardrails
Function Calling
Frontend
React.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
Rest API
WebSockets
Apply
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Broccoli AI

broccoli.com
Broccoli is a creative production and audio storytelling company that specializes in producing original podcasts, branded content, and long-form audio programs. Headquartered in London, England, the studio develops diverse narrative shows, cultural podcasts, and educational media tailored for international audiences and broadcasting partners. By prioritizing inclusive storytelling and innovative sound design, it collaborates with major streaming platforms and cultural organizations to bring authentic audio experiences to listeners globally.
broccoli.com • HQ: London, United Kingdom • Speech & Audio AI • Artificial Intelligence • Conversational AI • 51-200 employees • Est. 1995
HQ: London, United Kingdom • Speech & Audio AI • Artificial Intelligence • Conversational AI • 51-200 employees • Est. 1995
$23k – $96k per year (Estimated)In office (Bengaluru, India)
Go
Java
Node JS
Python
SQL
JavaScript
DevOps
AWS
Azure
CI/CD
GCP
Git
Rest API
Apply
Report

Reliance Jio

jio.com
Reliance Jio, a subsidiary of Reliance Industries, is an Indian telecommunications company headquartered in Mumbai and founded in 2007. The company provides a comprehensive digital ecosystem including 4G and 5G mobile network services, high-speed fiber broadband, and a suite of digital applications for streaming, payments, and messaging. It operates the largest mobile network in India and serves hundreds of millions of subscribers through its extensive nationwide infrastructure and business solutions.
jio.com • HQ: Mumbai, India • Financial Services • Internet of Things • Information Technology • Streaming & OTT Platforms • Media & Entertainment • Broadband • Telecommunications • Mobile Networks • Est. 2007
HQ: Mumbai, India • Financial Services • Internet of Things • Information Technology • Streaming & OTT Platforms • Media & Entertainment • Broadband • Telecommunications • Mobile Networks • Est. 2007
22 days ago

Fullstack Engineer

Senior • 5+ years expIn office (Hyderabad, Pakistan) • Senior
JavaScript
Python
TypeScript
Python
Django
FastAPI
Databases
MySQL
PostgreSQL
Chroma
Milvus
Pinecone
Weaviate
AI/ML
AI Agents
LangChain
LlamaIndex
Prompt Engineering
RAG
Anthropic
OpenAI
Frontend
React.js
DevOps
Rest API
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Vector
Apply
Report

Intellect Design Arena

intellectdesign.com
Intellect Design Arena is a product-based financial technology company that offers products and solutions catering to the needs of retail and corporate banking, central banking, insurance, e-governance, etc.
intellectdesign.com • Bengaluru • Hyderabad • FinTech • Banking • Software • Est. 2014
Bengaluru • Hyderabad • FinTech • Banking • Software • Est. 2014
22 days ago

Node.js Developer

In office (Hyderabad, Pakistan)
JavaScript
Node JS
TypeScript
Node JS
Express
Nest.JS
Databases
MySQL
PostgreSQL
Redis
Frontend
GraphQL
Socket.IO
DevOps
AWS
AWS Lambda
Docker
Git
Rest API
WebSockets
Apply
Report

Edenred

edenred.mx
Edenred México ofrece soluciones en tarjetas de despensa, regalo, restaurante, tarjetas de gasolina y tarjetas de pagos empresariales.
edenred.mx • Montrouge • Taipei • Mexico City • São Paulo • Porto Alegre • 5000+ employees
Montrouge • Taipei • Mexico City • São Paulo • Porto Alegre • 5000+ employees
Verified live · 3 hours ago 22 days ago

Senior Full-Stack Software Engineer

$47k – $93k per year (Estimated) • Senior • 8+ years expIn office (Issy-les-Moulineaux, France) • Full-Time • Senior • English: C1
C#
TypeScript
JavaScript
C#
.NET
Databases
Apache Kafka
Frontend
Angular
React.js
Vue.js
Mobile
Clean Architecture
DevOps
Azure
Azure DevOps
CI/CD
GitHub Actions
Rest API
Terraform
GitHub
QA
Cypress
Jest
Playwright
Vitest
Apply
Verified live · 3 hours ago 2 months ago

Senior Software Engineer .NET (3)

$30k – $38k per year (Estimated) • Senior • 8+ years expRemote/Hybrid (Bucharest, Romania) • Full-Time • Senior • English: B2
C#
C#
ASP.NET Core
Databases
Apache Kafka
RabbitMQ
AI/ML
LLM
Human-in-the-Loop
Mobile
Clean Architecture
DevOps
Azure
Azure DevOps
CI/CD
GitHub Actions
Rest API
GitHub
Datadog
Docker
Grafana
Kubernetes
Apply
Verified live · 3 hours ago 3 months ago

Squad Lead (Technical Team Lead) (4)

Lead • 5+ years expRemote/Hybrid (Bucharest, Romania) • Full-Time • Staff • English: C1
TypeScript
JavaScript
Java
Java
Spring Boot
Frontend
Angular
DevOps
Azure
Rest API
Apply
Report
IPAI (Innovation Park Artificial Intelligence) is a European innovation hub and technology campus headquartered in Heilbronn, Germany, focused on accelerating human-centered artificial intelligence. The platform provides dedicated AI infrastructure, data centers, co-creation programs, and specialized workspaces for startups, research institutions, and corporate enterprises. By facilitating collaborative R&D, match-making, and applied testing, it serves as an international ecosystem for scaling practical AI solutions across business and public sectors.
ip.ai • HQ: Heilbronn, Germany • Artificial Intelligence • 501-1000 employees
HQ: Heilbronn, Germany • Artificial Intelligence • 501-1000 employees
Verified live · 4 hours ago 22 days ago

CIAM Platform Engineer (w/m/d)

In office • German: B2
C#
C#
.NET
DevOps
Azure
CI/CD
Rest API
Apply
Verified live · 4 hours ago 2 months ago

Full Stack Web Developer (w/m/d)

In office • German: C1
TypeScript
C#
JavaScript
C#
.NET
Frontend
Angular
DevOps
Azure
CI/CD
Rest API
Apply
Report

Unitedplacementgroup

unitedplacementgroup.com
United Placement Group connects employees with employers to meet staffing needs for companies in several industries. See our job postings to learn more!
unitedplacementgroup.com • Peoria • Bloomington • Sarasota • Philadelphia • Chicago • Professional Services • Human Resources
Peoria • Bloomington • Sarasota • Philadelphia • Chicago • Professional Services • Human Resources
Verified live · 7 hours ago 22 days ago

AI Developer (Claude + Python, On-Site)

$129k – $283k per year (Estimated)In office (Bradenton, United States) • Contractor
Python
JavaScript
Python
FastAPI
Flask
AI/ML
AI Agents
ChatGPT
Claude
Gemini
LLM
RAG
Embeddings
Anthropic
Frontend
Next.js
React.js
DevOps
Git
Rest API
GitHub
Apply
Report

Istapersonnel

istapersonnel.com
istapersonnel.com • Mandaluyong • Makati • Johannesburg • Cape Town • Durban • Professional Services • Human Resources
Mandaluyong • Makati • Johannesburg • Cape Town • Durban • Professional Services • Human Resources
Verified live · 6 hours ago 22 days ago

AI Engineer (LLMs & Agentic AI) - EST Working Hours (Remote)

Remote (South Africa) • Full-Time
JavaScript
Node JS
Python
TypeScript
AI/ML
AI Agents
AutoGen
Claude
Claude Code
Copilot
CrewAI
Cursor
Function Calling
Gemini
LangChain
LangGraph
Model Context Protocol
RAG
Human-in-the-Loop
OpenAI
OpenAI Codex
DevOps
AWS
Azure
Docker
GCP
Git
Rest API
GitHub
Management
n8n
Apply
Report

Cortoptyltd

cortoptyltd.com
cortoptyltd.com • HQ: Sydney, Australia • Information Technology • 201-500 employees
HQ: Sydney, Australia • Information Technology • 201-500 employees
Verified live · 1 day ago 22 days ago

Quality Engineer

$57k – $142k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Sydney, Australia) • Full-Time • Senior
C#
TypeScript
C#
.NET
DevOps
CI/CD
Rest API
Management
Jira
QA
Pact
Postman
Swagger
Apply
Verified live · 1 day ago 2 months ago

Senior Software Engineer

$65k – $185k per year (Estimated) • Senior • Remote/Hybrid (Sydney, Australia) • Senior
C#
SQL
C#
.NET
Databases
DynamoDB
MS SQL
PostgreSQL
AI/ML
Claude
Claude Code
Copilot
RAG
AI Agents
DevOps
AWS
AWS Lambda
Rest API
Amazon ECS
Amazon S3
GitHub
Apply
Report

Cisco Systems

cisco.com
Cisco Systems is an American networking company founded in 1984 by Stanford computer scientists Leonard Bosack and Sandy Lerner, and headquartered in San Jose, California. It is the largest supplier of enterprise networking equipment in the world, building the routers, switches, wireless access points and optical systems that carry traffic across corporate networks, service providers and data centres, together with the software and silicon that run them. The company has diversified heavily into security, observability through Splunk, collaboration with Webex, and AI infrastructure networking, and now earns a growing share of revenue from software subscriptions rather than hardware sales.
cisco.com • HQ: San Jose, United States • Communication & Collaboration • Cloud Computing • Hardware • Cybersecurity • Network Equipment • Telecommunications • Enterprise Networks • Log Analytics • AI Infrastructure • 5000+ employees • Est. 1984
HQ: San Jose, United States • Communication & Collaboration • Cloud Computing • Hardware • Cybersecurity • Network Equipment • Telecommunications • Enterprise Networks • Log Analytics • AI Infrastructure • 5000+ employees • Est. 1984
$33k – $82k per year (Estimated) • Senior • 5+ years expBengaluru • Remote (India) • Full-Time • Senior
C#
Go
Java
Python
Rust
TypeScript
JavaScript
Node JS
Databases
Apache Kafka
PostgreSQL
Redis
AI/ML
AI Agents
LLM
A2A
Model Context Protocol
LangChain
LangGraph
Function Calling
Frontend
React.js
DevOps
CI/CD
Docker
Kubernetes
Rest API
Apply
Middle • 3+ years expRemote/Hybrid (Bratislava, Slovakia) • Full-Time • Middle
Java
Kotlin
Swift
C++
Objective-C
Java
Gradle
Kotlin
Kotlin Coroutines
Mockito
Mobile
Crashlytics
Espresso
Firebase
Jetpack Compose
JUnit
Modularization
MVVM
SwiftUI
UIKit
XCTest
DevOps
CI/CD
Datadog
Git
Rest API
Splunk
Apply
Report

Mercor

mercor.com
Mercor is an artificial intelligence infrastructure company headquartered in San Francisco, California, and founded in 2023. The company operates a platform that connects a global network of domain experts, including physicians, lawyers, and engineers, with AI labs to provide high-quality data for reinforcement learning from human feedback (RLHF) and model evaluation. It develops specialized benchmarks like APEX to measure model performance on economically valuable tasks and provides enterprises with tools to monetize their workflow data for AI training.
mercor.com • HQ: San Francisco, United States • Professional Services • Data Collection • Data & Analytics • Reinforcement Learning • LLM & Generative AI • Artificial Intelligence • 501-1000 employees • Est. 2023
HQ: San Francisco, United States • Professional Services • Data Collection • Data & Analytics • Reinforcement Learning • LLM & Generative AI • Artificial Intelligence • 501-1000 employees • Est. 2023
Top 25% payVerified live · 1 hour ago 22 days ago

Fullstack Software Engineer, Agent Platform

$130k – $500k per year • Equity • Junior • 2+ years expIn office (San Francisco, United States) • Relocation • Full-Time • Junior
JavaScript
Node JS
Python
TypeScript
AI/ML
AI Agents
LLM
Human-in-the-Loop
Frontend
Next.js
React.js
DevOps
Rest API
Platform Engineering
Apply
Top 25% payVerified live · 1 hour ago 3 months ago

Product Engineer, Studio Platform

$130k – $500k per year • Equity • Senior • 5+ years expIn office (San Francisco, New York, United States) • Relocation • Full-Time • Senior
JavaScript
Node JS
Python
TypeScript
AI/ML
LLM
Human-in-the-Loop
Frontend
Next.js
React.js
DevOps
Rest API
Platform Engineering
Apply
Report

Reality Defender

realitydefender.com
Reality Defender detects synthetic audio, video and images in real time for banks, governments and media platforms. Founded in 2021 in New York, it emerged from earlier work on deepfake research and won industry innovation awards. Its detection runs as an API across multiple modalities at once.
realitydefender.com • HQ: New York, United States • Cybersecurity • Cybersecurity AI • Artificial Intelligence • Est. 2021
HQ: New York, United States • Cybersecurity • Cybersecurity AI • Artificial Intelligence • Est. 2021
Top 25% payVerified live · 1 day ago 22 days ago

Software Engineer II

$140k – $180k per year • Equity • Middle • 3+ years expIn office (New York, United States) • Full-Time • Middle
C#
TypeScript
C#
.NET
DevOps
CI/CD
Rest API
Azure
Docker
Kubernetes
WebRTC
Apply
Report

Prenuvo

prenuvo.com
Proactive health memberships combining Whole Body MRI, advanced blood biomarker testing, and ongoing clinical guidance—designed to help you track your health year over year.
prenuvo.com • Wayne • Redwood City • Vancouver • Melbourne • Atlanta • Medical Imaging • Health Care
Wayne • Redwood City • Vancouver • Melbourne • Atlanta • Medical Imaging • Health Care
Verified live · 1 hour ago 22 days ago

Senior Backend Engineer II - eCommerce

$175k – $190k per year • Senior • 7+ years expIn office (San Francisco, United States) • Senior
Python
Python
Django
FastAPI
Flask
Pydantic
SQLAlchemy
Databases
PostgreSQL
DevOps
AWS
CI/CD
Datadog
Rest API
Docker
GitHub Actions
Terraform
GitHub
Marketing
Salesforce
QA
Pytest
Apply
Report

GHX

ghx.com
Global Healthcare Exchange (GHX) is a healthcare technology and supply chain management company headquartered in Denver, Colorado. Founded in 2000 as a joint initiative among leading medical manufacturers, the company operates a cloud-based electronic trading exchange that connects thousands of hospitals, health systems, and medical suppliers across North America and Europe. By automating procurement, inventory tracking, accounts payable, and contract management, GHX helps healthcare organizations reduce operational expenses and increase supply chain visibility.
ghx.com • HQ: Denver, United States • Health Care • Digital Health • Transportation & Logistics • Supply Chain • 501-1000 employees
HQ: Denver, United States • Health Care • Digital Health • Transportation & Logistics • Supply Chain • 501-1000 employees
Verified live · 1 hour ago 23 days ago

Principal Software Engineer - Integration & Data Architecture

$118k – $212k per year (Estimated) • Lead • Remote (United States) • PhD • Full-Time • Principal
Amazon Aurora
Apache Kafka
DynamoDB
Amazon Redshift
Azure Cosmos DB
Snowflake
AI/ML
AI Agents
Embeddings
LLM
RAG
DevOps
AWS
AWS Lambda
CI/CD
Rest API
Amazon EventBridge
API Gateway
Azure
Terraform
Apply
Verified live · 1 hour ago 2 months ago

Software Engineer III

$18k – $48k per year (Estimated) • Middle • 5+ years expIn office (Hyderabad, India) • Bachelor's Degree • Middle
Python
SQL
Python
Django
Flask
AI/ML
AI Agents
Chain-of-Thought
Claude
LangChain
LlamaIndex
LLM
NLP
NumPy
Pandas
Prompt Engineering
Anthropic
Model Context Protocol
OCR
OpenAI
Structured Outputs
Mobile
Clean Architecture
DevOps
AWS
AWS Lambda
Azure
CI/CD
Docker
Git
Jenkins
Rest API
Amazon ECS
Amazon S3
Management
UiPath
QA
Postman
Swagger
Apply
Verified live · 1 hour ago 4 months ago

Senior AI Engineer

$24k – $62k per year (Estimated) • Senior • 5+ years expIn office (Hyderabad, India) • PhD • Senior
Python
AI/ML
AI Agents
Chain-of-Thought
LLM
Prompt Engineering
Anthropic
OpenAI
Structured Outputs
Model Context Protocol
LangChain
LlamaIndex
NLP
OCR
Mobile
Clean Architecture
DevOps
AWS
Azure
CI/CD
Git
Rest API
Amazon EC2
AWS Lambda
Amazon ECS
Amazon S3
Apply
Report

Gen Digital

gendigital.com
Gen Digital Inc. is a global cybersecurity, online privacy, and consumer technology leader. Dual-headquartered in Tempe, Arizona, and Prague, Czech Republic, the publicly traded company (NASDAQ: GEN) was formed through the 2022 merger of NortonLifeLock and Avast (and was previously known as Symantec Corporation).
gendigital.com • HQ: Tempe, United States • HQ: Prague, Czech Republic • Internet Services • Internet Security Services • Information Security • Cybersecurity • 1001-5000 employees • Est. 2022
HQ: Tempe, United States • HQ: Prague, Czech Republic • Internet Services • Internet Security Services • Information Security • Cybersecurity • 1001-5000 employees • Est. 2022
Top 25% payVerified live · 12 min ago 23 days ago

Director of Product, Engine

$250k – $275k per year • Executive • 7+ years expIn office (New York, United States) • Full-Time • Architect
SQL
DevOps
Rest API
Apply
Verified live · 12 min ago 30 days ago

Senior Principal Product Manager

Lead • 6+ years expRemote/Hybrid (Prague, Brno, Czech Republic) • Bachelor's Degree • Full-Time • Principal
Rest API
IAM
Apply
Verified live · 12 min ago 2 months ago

Senior Principal Product Manager - Partner API & SDK Platform

Lead • 6+ years expIn office (Prague, Czech Republic) • Bachelor's Degree • Full-Time • Principal
Rest API
IAM
Apply
Report

Isar Aerospace

isaraerospace.com
Isar Aerospace is a German aerospace company headquartered in Ottobrunn, near Munich, and was founded in 2018. The company develops and builds the Spectrum launch vehicle, a two-stage rocket designed to transport small and medium-sized satellites and constellations into orbit. It operates production facilities in Germany and utilizes launch sites such as the Andoya Spaceport in Norway to provide flexible and cost-effective access to space for global commercial and government customers.
isaraerospace.com • HQ: Ottobrunn, Germany • Space Defense • Military • Space Services • Aerospace Manufacturing • Manufacturing • Space & Aerospace • Launch Services • Est. 2018
HQ: Ottobrunn, Germany • Space Defense • Military • Space Services • Aerospace Manufacturing • Manufacturing • Space & Aerospace • Launch Services • Est. 2018
Verified live · 3 hours ago 23 days ago

Application Software Engineer (f/m/d)

$65k – $150k per year (Estimated)In office (Ottobrunn, Germany)
C#
C#
.NET
Avalonia
Mobile
MAUI
MVVM
DevOps
Git
Rest API
Apply
Report

Sofico

sofico.global
Sofico is a Belgian software company founded in 1988 and headquartered in Ghent. Its Miles platform manages vehicle leasing, fleet and mobility contracts for finance and leasing companies. The software is used by major automotive captives and leasing groups worldwide.
sofico.global • HQ: Ghent, Belgium • 501-1000 employees • Est. 1988
HQ: Ghent, Belgium • 501-1000 employees • Est. 1988
Verified live · 1 hour ago 23 days ago

Senior Backend Engineer – Java & AI Platform

Senior • Remote/Hybrid • Part-Time • Senior
Java
Java
Quarkus
AI/ML
AI Agents
DevOps
Rest API
Apply
Open 257 daysVerified live · 1 hour ago 9 months ago

(Senior) Solution Architect (m/f/d)

$74k – $177k per year (Estimated) • Staff+ • Remote/Hybrid (Munich, Germany) • Internship • Architect • English: C1
Java
Java
Quarkus
Databases
MS SQL
PostgreSQL
DevOps
Azure
Docker
Kubernetes
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.