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.

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Enterprise Apps
Quantum

Shipbob

shipbob.com
ShipBob, headquartered in Chicago, Illinois, and established in 2014, is an eCommerce and logistics software company. Their platform acts as a back office for logistics, letting clients manage and edit orders, track real-time stock levels across f...
shipbob.com • Chicago • Toronto • Fort Worth • Bethlehem • Moreno Valley • Logistics • Transportation & Logistics • Warehousing • Est. 2014
Chicago • Toronto • Fort Worth • Bethlehem • Moreno Valley • Logistics • Transportation & Logistics • Warehousing • Est. 2014
$18k – $48k per year (Estimated) • Middle • 6+ years expRemote/Hybrid (Chicago, United States) • Visa sponsorship • Bachelor's Degree • Full-Time • Senior
C#
JavaScript
SQL
C#
ASP.NET Core
Frontend
Vue.js
DevOps
Rest API
Azure
Apply
Verified live · 1 hour ago 2 months ago

Software Development Engineer III

$19k – $51k per year (Estimated) • Middle • 6+ years exp • Remote (India) • PhD • Full-Time • Middle
C#
JavaScript
SQL
C#
ASP.NET Core
AI/ML
AI Agents
Model Context Protocol
Frontend
Vue.js
DevOps
Rest API
Azure
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Latitude.sh

latitude.sh
Learn about Latitude.sh and our values, and how to join the team. Discover why Latitude.sh is the best way to run your workloads around the world.
latitude.sh • São Paulo • Web Hosting
São Paulo • Web Hosting
$41k – $115k per year (Estimated) • Senior • 5+ years expIn office • Full-Time • Senior
Go
Python
Ruby
Ruby
Ruby on Rails
DevOps
Rest API
Terraform
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AtomicAds

atomicads.ai
Adnaut is a tech-driven digital media company with expertise in analytics, AI, and data strategy that empowers marketers with data-smart solutions to optimize media spends and drive better business outcomes.
atomicads.ai • Bengaluru • Sales & Marketing • Data & Analytics • Advertising • Est. 2021
Bengaluru • Sales & Marketing • Data & Analytics • Advertising • Est. 2021
2 months ago

Frontend Developer

$4.5k – $55k per year (Estimated) • Junior • 1+ year expIn office (Bengaluru, India) • Junior
JavaScript
TypeScript
Frontend
Next.js
React.js
DevOps
Rest API
CI/CD
Design
Figma
Apply
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InfoTrack US

infotrack.com
InfoTrack is an award-winning Australian technology company that is helping a range of professionals move into the digital age. We create intuitive tools that enable you to find, analyse, organise and... communicate information more efficiently an...
infotrack.com • Los Angeles • Denver • New York • San Francisco • Professional Services • Legal Services
Los Angeles • Denver • New York • San Francisco • Professional Services • Legal Services
Top 25% pay 2 months ago

Mobile Developer, ServeManager

$96k – $135k per year • Equity • Middle • 3+ years expRemote/Hybrid (Denver, United States) • Visa sponsorship • Master's Degree • Full-Time • Middle
JavaScript
TypeScript
Frontend
React.js
Mobile
Expo
React Native
State Management
TestFlight
DevOps
Rest API
QA
Jest
Apply
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Relativity

relativity.com
Relativity is a legal data intelligence company based in Chicago, Illinois, and founded in 2001. The company develops an AI-powered platform, RelativityOne, which helps legal professionals manage and analyze large volumes of complex data for e-discovery, litigation, and internal investigations. It serves a global client base including law firms, government agencies, and corporations, operating through a vast ecosystem of service providers and technology partners.
relativity.com • HQ: Chicago, United States • Incident Response • Cybersecurity • LLM & Generative AI • Data Management • Professional Services • Data & Analytics • Artificial Intelligence • Legal Services • 1001-5000 employees • Est. 2001
HQ: Chicago, United States • Incident Response • Cybersecurity • LLM & Generative AI • Data Management • Professional Services • Data & Analytics • Artificial Intelligence • Legal Services • 1001-5000 employees • Est. 2001
$56k – $83k per year • Senior • 5+ years expKraków • Remote (Poland) • Full-Time • Senior
Python
Python
FastAPI
Flask
DevOps
Azure
Azure AKS
Bicep
CI/CD
GitHub Actions
Kubernetes
Platform Engineering
Pulumi
Rest API
Terraform
IAM
GitHub
Cybersecurity
FedRAMP
ISO 27001
SOC 2
Least Privilege
Apply
Verified live · 1 day ago 3 months ago

Software Engineer

$79k – $119k per year • In office (United States) • Bachelor's Degree • Full-Time
C#
Java
DevOps
Azure
Azure DevOps
Rest API
Apply
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Oolka

oolka.in
Oolka is a credit score builder platform collaborating with banks, financial institutions, and other entities to empower individuals for credit management, ensuring transparent reports for better financial health.
oolka.in • Bengaluru • Financial Services • Personal Finance • Credit Cards • Est. 2023
Bengaluru • Financial Services • Personal Finance • Credit Cards • Est. 2023
$26k – $71k per year (Estimated) • Middle • 3+ years expIn office (Bengaluru, India) • Middle
Redis
AI/ML
LLM
TensorFlow
Edge AI
DevOps
Rest API
Apply
2 months ago

AI Engineer

$31k – $78k per year (Estimated) • Senior • 6+ years expIn office (Bengaluru, India) • Senior
Redis
AI/ML
LLM
TensorFlow
Edge AI
AI Agents
DevOps
Rest API
WebSockets
Apply
2 months ago

AI / ML Engineer

$26k – $72k per year (Estimated) • Middle • 3+ years expIn office (Bengaluru, India) • Middle
Python
Databases
Redis
AI/ML
LLM
Quantization
TensorFlow
Edge AI
AI Agents
DevOps
Rest API
WebSockets
Apply
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LifeWorks

lifeworks.com
LifeWorks is committed to the principles of employment equity. We respect, value, and encourage individuality and cultural diversity. Valuing employees is part of our core values and guiding principles.
lifeworks.com • Quebec • Mental Health • Professional Services • Human Resources
Quebec • Mental Health • Professional Services • Human Resources
$60k – $85k per year • Middle • 5+ years expIn office (Quebec, Canada) • Visa sponsorship • Master's Degree • Middle
JavaScript
TypeScript
C#
C#
.NET
Frontend
Angular
Sass
DevOps
Git
Rest API
CI/CD
Apply
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Tenable

tenable.com
Tenable, Inc. is the leading exposure management and AI security company that enables organizations to monitor, prioritize, and reduce cybersecurity risks and vulnerabilities across the entire attack surface, including IT, cloud, OT, and hybrid environments.
tenable.com • Tel Aviv • Columbia • Chicago • London • Dublin • Cloud Security • Cybersecurity • Vulnerability Management
Tel Aviv • Columbia • Chicago • London • Dublin • Cloud Security • Cybersecurity • Vulnerability Management
Verified live · 3 hours ago 2 months ago

Senior Security Consultant

$46k – $113k per year (Estimated) • Senior • 5+ years exp • Remote (Germany, Italy, Netherlands) • Bachelor's Degree • Internship • Senior • Italian
Python
DevOps
Rest API
Cybersecurity
HIPAA
Metasploit
Apply
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SOFLAB TECHNOLOGY

soflab.pl
SOFLAB TECHNOLOGY pomaga organizacjom efektywnie rozwijać się poprzez zapewnienie wysokiej jakości rozwiązań IT wolnych od kosztownych błędów oraz dostarczenie najwyższych standardów bezpiecznego zarządzania danymi w środowiskach IT.
soflab.pl • HQ: Warsaw, Poland • DevOps • IT Outsourcing • Information Technology
HQ: Warsaw, Poland • DevOps • IT Outsourcing • Information Technology
$62k – $135k per year (Estimated) • Lead • Warsaw • Remote (Poland) • Full-Time • Architect • Polish: C1
JavaScript
TypeScript
AI/ML
Claude
Copilot
DevOps
CI/CD
Docker
Grafana
Kubernetes
Rest API
QA
Playwright
Selenium
Apply
Verified live · 5 hours ago 2 months ago

Playwright Practice Lead / Automation Solutions Architect

Lead • In office • Internship • Architect • Polish: C1
JavaScript
TypeScript
AI/ML
Claude
Copilot
DevOps
CI/CD
Rest API
QA
Playwright
Apply
$38k – $48k per year • In office (Warsaw, Poland) • Polish: C1
SQL
DevOps
CI/CD
Rest API
Management
Confluence
Jira
QA
Playwright
Postman
Rest-Assured
Selenium
Apply
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H&M Group

hmgroup.com
H&M Group is a Swedish multinational fashion and design company founded in 1947 and headquartered in Stockholm. The corporate parent operates a global portfolio of lifestyle brands - including H&M, COS, Weekday, Monki, & Other Stories, and ARKET - serving customers across thousands of physical stores and online markets worldwide. The organization focuses on making clothing and home design accessible while heavily investing in circular business models, sustainable textiles, and supply chain transparency.
hmgroup.com • Berlin • Stockholm • Gothenburg • Bengaluru • Kuala Lumpur • Consumer Goods • Commerce • E-commerce Platforms • Apparel & Fashion • Est. 1947
Berlin • Stockholm • Gothenburg • Bengaluru • Kuala Lumpur • Consumer Goods • Commerce • E-commerce Platforms • Apparel & Fashion • Est. 1947
Verified live · 29 min ago 2 months ago

Lead Software Engineer – PLM Integration Platform

$30k – $79k per year (Estimated) • Lead • 10+ years expRemote/Hybrid (Bengaluru, India) • Full-Time • Senior • English
Python
Python
FastAPI
Flask
Databases
Apache Kafka
PostgreSQL
RabbitMQ
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
OpenTelemetry
Platform Engineering
Rest API
Apply
Report

Shell

shell.com
Shell (formerly Royal Dutch Shell) is a global energy and petrochemical company headquartered in London, United Kingdom. As one of the world's largest integrated energy firms, Shell operates across the entire energy value chain, spanning upstream oil and gas exploration and production, integrated gas and liquefied natural gas (LNG) operations, and downstream refining, trading, and marketing of fuels and lubricants.
shell.com • Chennai • Bengaluru • Rotterdam • London • Bangkok • Energy & Utilities • Natural Resources • Fossil Fuels • Oil & Gas • 1001-5000 employees • Est. 2009
Chennai • Bengaluru • Rotterdam • London • Bangkok • Energy & Utilities • Natural Resources • Fossil Fuels • Oil & Gas • 1001-5000 employees • Est. 2009
2 months ago

Lead Golang Engineer

$30k – $80k per year (Estimated) • Lead • In office (Bengaluru, India) • Staff
Go
DevOps
Rest API
Apply
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Studia-Online

studia-online.pl
Szeroka oferta studiów licencjackich, inżynierskich, magisterskich, jednolitych magisterskich oraz podyplomowych na platformie studia-online.pl. Dołącz do WSKZ i zdobywaj umiejętności niezbędne do rozwijania kariery zawodowej w wygodny i nowoczesny sposób!
studia-online.pl • Wrocław • Warsaw • Education • E-learning • Higher Education
Wrocław • Warsaw • Education • E-learning • Higher Education
2 months ago

Back-end Developer

$43k – $71k per year • In office (Wrocław, Poland) • Full-Time • Polish: C1
PHP
SQL
PHP
CodeIgniter
Composer
Laravel
Symfony
Yii
Databases
MS SQL
MySQL
PostgreSQL
RabbitMQ
DevOps
Rest API
Apply
2 months ago

Tester Manualny

$19k – $37k per year • In office (Wrocław, Poland) • Full-Time • Polish: C1
SQL
DevOps
Git
Rest API
Design
Figma
Management
Confluence
Slack
QA
BrowserStack
Apply
$43k – $71k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
PHP
SQL
PHP
CodeIgniter
Composer
Laravel
Symfony
Yii
Databases
ElasticSearch
MS SQL
MySQL
PostgreSQL
DevOps
CI/CD
Docker
Rest API
Apply
Report

Ripik AI

ripik.ai
Ripik AI is an industrial AI and computer vision platform founded in 2021 that develops automated software solutions for heavy manufacturing environments. The company provides vision AI agents that act as real-time monitoring systems to track materials, machinery, and production processes across sectors like steel, cement, aluminum, and power. By eliminating human error and enabling continuous operational oversight, the platform helps large enterprises optimize plant efficiency, reduce process variability, and improve overall throughput.
ripik.ai • Noida • Industrial Automation • Manufacturing • Artificial Intelligence • Est. 2021
Noida • Industrial Automation • Manufacturing • Artificial Intelligence • Est. 2021
2 months ago

Backend Engineer

$15k – $39k per year (Estimated) • Junior • 2+ years expIn office (Noida, India) • Junior
Java
SQL
Java
Spring Boot
Databases
Apache Kafka
MySQL
PostgreSQL
DevOps
AWS
Git
Rest API
Apply
Report

Hackthebox

hackthebox.com
Our mission is to create and connect cyber-ready humans and organizations through highly engaging hacking experiences that cultivate out-of-the-box thinking.
hackthebox.com • Athens • New York • London • Sydney • Berlin • AI Agents • Artificial Intelligence • Cybersecurity
Athens • New York • London • Sydney • Berlin • AI Agents • Artificial Intelligence • Cybersecurity
2 months ago

Senior Data Engineer

$140k – $160k per year • Senior • 3+ years exp • Remote (United States) • Visa sponsorship • Bachelor's Degree • Internship • Senior
Python
SQL
Databases
Amazon Redshift
Apache Kafka
ClickHouse
Google BigQuery
Google Bigtable
Snowflake
AI/ML
Airflow
Dagster
dbt
Flink
Prefect
Spark
Feature Store
Vertex AI
Mobile
Clean Architecture
DevOps
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
Analytics
ETL/ELT
Apply
Verified live · 1 hour ago 2 months ago

Senior Data Engineer

$140k – $160k per year • Senior • Remote (United States) • Full-Time • Senior
Python
SQL
Databases
Amazon Redshift
Apache Kafka
ClickHouse
Google BigQuery
Google Bigtable
Snowflake
AI/ML
Airflow
Dagster
dbt
Flink
Prefect
Spark
Feature Store
Vertex AI
Mobile
Clean Architecture
DevOps
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
Analytics
ETL/ELT
Apply
Open 119 daysVerified live · 1 hour ago 4 months ago

Senior Data Engineer

Senior • Remote/Hybrid (Palaio Faliro, Greece) • Relocation • Full-Time • Senior
Python
SQL
Databases
Amazon Redshift
Apache Kafka
ClickHouse
Google BigQuery
Google Bigtable
Snowflake
AI/ML
Airflow
Dagster
dbt
Flink
Prefect
Spark
Feature Store
Vertex AI
Mobile
Clean Architecture
DevOps
CI/CD
Docker
GCP
GitHub Actions
Kubernetes
Rest API
GitHub
Analytics
ETL/ELT
Apply
Report

Bloomreach

bloomreach.com
Bloomreach is a digital commerce experience platform designed to drive e-commerce personalization, site search, and omnichannel marketing. Founded in 2009 and headquartered in Mountain View, California, the platform serves over 1,400 global enterprise brands and retailers - such as American Eagle, Pandora, BrewDog, and Bosch - by unifying customer data with product catalogs to deliver real-time personalized shopping experiences.
bloomreach.com • HQ: Mountain View, United States • Artificial Intelligence • E-commerce Marketing • Marketing Automation • 201-500 employees
HQ: Mountain View, United States • Artificial Intelligence • E-commerce Marketing • Marketing Automation • 201-500 employees
Verified live · 7 hours ago 2 months ago

Software Engineer II (Fullstack)

$20k – $55k per year (Estimated) • Equity • Middle • 3+ years expIn office • Internship • Middle
JavaScript
Python
SQL
TypeScript
Java
Java
Spring Boot
AI/ML
AI Agents
Frontend
React.js
DevOps
AWS
CI/CD
Docker
GCP
Git
Kubernetes
Rest API
Apply
Verified live · 7 hours ago 5 months ago

Senior Site Reliability Engineer for Fuse team

Equity • Senior • Remote (Czech Republic, Slovakia) • Full-Time • Senior
Python
SQL
Go
Java
Databases
Apache Kafka
ElasticSearch
Google Bigtable
OpenSearch
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
DevOps
CI/CD
GCP
Grafana
Incident Management
Kubernetes
OpenTelemetry
PagerDuty
Prometheus
GitLab
etcd
Google GKE
Rest API
Cybersecurity
SOC 2
Least Privilege
Management
Confluence
Jira
Apply
Verified live · 7 hours ago 5 months ago

Senior Site Reliability Engineer for Fuse Team

Equity • Senior • Remote (Czech Republic) • Full-Time • Senior
Go
Java
Python
SQL
Databases
Apache Kafka
ElasticSearch
Google Bigtable
OpenSearch
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
DevOps
CI/CD
etcd
GCP
Google GKE
Grafana
Incident Management
Kubernetes
OpenTelemetry
PagerDuty
Prometheus
Rest API
GitLab
Cybersecurity
SOC 2
Least Privilege
Management
Confluence
Jira
Apply
Report

Cerebras Systems

cerebras.ai
Cerebras Systems is an American computer hardware company founded in 2016 and headquartered in Sunnyvale, California that builds accelerators for artificial intelligence at wafer scale. Instead of assembling clusters from many small chips, it manufactures a single processor the size of an entire silicon wafer, the Wafer Scale Engine, which removes most of the communication overhead in large model training and inference. The company sells CS-series systems to research laboratories and enterprises, operates its own inference cloud known for very high token throughput, and has built large supercomputers with partners including the Gulf technology group G42.
cerebras.ai • HQ: Sunnyvale, United States • Machine Learning • Artificial Intelligence • Hardware • Semiconductors • AI Infrastructure • 1001-5000 employees • Est. 2016
HQ: Sunnyvale, United States • Machine Learning • Artificial Intelligence • Hardware • Semiconductors • AI Infrastructure • 1001-5000 employees • Est. 2016
Top 25% payVerified live · 3 hours ago 2 months ago

Senior Quality Assurance Engineer

$220k – $240k per year • Senior • 4+ years expRemote/Hybrid (Sunnyvale, United States) • Master's Degree • Full-Time • Senior
Java
Python
SQL
Databases
Oracle
AI/ML
Cerebras
AI Agents
Edge AI
OpenAI
DevOps
AWS
CI/CD
Jenkins
Kubernetes
Rest API
Management
Jira
QA
JMeter
Selenium
Apply
Report

Harvard University

harvard.edu
Harvard University is a prestigious Ivy League private research institution based in Cambridge, Massachusetts, consistently ranked among the world's most influential universities. Founded in 1636, it is the oldest institution of higher learning in the United States and is renowned for its vast academic programs, rigorous research, and illustrious alumni. Today, the university continues to be a global leader in education and scholarship, maintaining a massive library system and an extensive network of specialized graduate and professional schools.
harvard.edu • HQ: Cambridge, United States • Education • Higher Education • 201-500 employees
HQ: Cambridge, United States • Education • Higher Education • 201-500 employees
$91k – $183k per year (Estimated) • Senior • 7+ years expRemote/Hybrid (Cambridge, United States) • Visa sponsorship • Master's Degree • Contractor • Senior
JavaScript
Python
SQL
Frontend
React.js
DevOps
CI/CD
Git
GitHub Actions
Jenkins
Rest API
GitHub
QA
Chrome DevTools
Cypress
JMeter
Apply
Verified live · 2 hours ago 3 months ago

Senior QA and Production Support Manager

$91k – $183k per year (Estimated) • Senior • 7+ years expRemote/Hybrid (Cambridge, United States) • Visa sponsorship • PhD • Full-Time • Senior
JavaScript
Python
SQL
Frontend
React.js
DevOps
CI/CD
Git
GitHub Actions
Jenkins
Rest API
GitHub
QA
Chrome DevTools
Cypress
JMeter
Apply
Report

Color

color.com
Color offers integrated virtual cancer care with early detection, personalized guidance, and ongoing support that improves outcomes and reduces costs.
color.com • San Francisco • South San Francisco • Government • Health Care
San Francisco • South San Francisco • Government • Health Care
Verified live · 6 hours ago 2 months ago

Software Engineer, New Grad 2026

$125k – $140k per year • Junior • In office (South San Francisco, United States) • Bachelor's Degree • Full-Time • Junior
Python
SQL
Python
Django
AI/ML
Copilot
LLM
DevOps
AWS
Rest API
Apply
Report

RapidSOS

rapidsos.com
RapidSOS creates technology that protects lives by empowering faster, smarter emergency response.
rapidsos.com • New York • Military • Homeland Security • Artificial Intelligence
New York • Military • Homeland Security • Artificial Intelligence
$190k – $220k per year • Equity • Executive • 8+ years exp • Remote (United States) • Visa sponsorship • Bachelor's Degree • Contractor • Architect
Python
DevOps
Rest API
Apply
Report

Onni

onni.com
Onni Group is a innovative real estate developer with exciting developments in Vancouver, Toronto, Los Angeles, Chicago, Seattle, and more. Contact us today.
onni.com • Los Angeles • Vancouver • Chicago • Seattle • Phoenix • Real Estate
Los Angeles • Vancouver • Chicago • Seattle • Phoenix • Real Estate
Verified live · 30 min ago 2 months ago

Intermediate Software Engineer - Onni Capital

$90k – $120k per year • Middle • In office (Vancouver, Canada) • Full-Time • Middle
TypeScript
JavaScript
Python
Python
FastAPI
Databases
Databricks
PostgreSQL
Supabase
AI/ML
AI Agents
AutoGen
Claude
Claude Code
CrewAI
Cursor
Function Calling
LangChain
OpenRouter
Prompt Engineering
RAG
Anthropic
OpenAI
OpenAI Codex
Structured Outputs
Frontend
Next.js
React.js
Mobile
React Native
Twilio
DevOps
Rest API
Azure
Docker
Vector
Management
Linear
Slack
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.