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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Product
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Support
Enterprise Apps
Quantum

Inabia

inabia.com
Inabia Solutions & Consulting is a Bellevue, Washington-based global technology consulting, IT services, and workforce solutions company. Founded in 2006, the firm specializes in custom software engineering, AI/ML implementation, cloud services, ServiceNow integration, and telecom solutions. Alongside managed enterprise IT and digital transformation consulting, Inabia provides technical staff augmentation, data labeling, and forward-deployed engineering teams to enterprise clients across North America, the Middle East, and Asia.
inabia.com • HQ: Columbus, United States • Artificial Intelligence • Information Technology • 201-500 employees
HQ: Columbus, United States • Artificial Intelligence • Information Technology • 201-500 employees
Senior • 8+ years expIn office • Bachelor's Degree • Senior
Python
DevOps
Ansible
AWS
Azure
GCP
Rest API
Terraform
Cybersecurity
Zero Trust
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Senior • 8+ years expIn office • Staff
C#
C++
Go
JavaScript
Kotlin
Python
TypeScript
DevOps
Rest API
Apply
Executive • In office • Architect
Rest API
Management
ServiceNow
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Sensedia

sensedia.com
Sensedia is a global technology company that specializes in API management, microservices architecture, and enterprise integration solutions. Headquartered in Campinas, Brazil, the organization helps businesses accelerate digital transformation by enabling secure multi-cloud architectures and open banking ecosystems. Its comprehensive platform and consulting services allow clients across various sectors to seamlessly connect systems, integrate digital channels, and scale innovation.
sensedia.com • HQ: Campinas, Brazil • Commerce • Software • Middleware Software • Est. 2007
HQ: Campinas, Brazil • Commerce • Software • Middleware Software • Est. 2007
$40k – $112k per year (Estimated) • Senior • Campinas • Remote (Brazil) • Full-Time • Senior • Portuguese: C1
Java
Databases
DynamoDB
DevOps
AWS
AWS Lambda
Kubernetes
Rest API
API Gateway
AWS Step Functions
IAM
QA
Swagger
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Campinas • Remote (Brazil) • Full-Time • Portuguese: C1
Apex
Apex
MuleSoft
AI/ML
Kong AI Gateway
DevOps
AWS
Azure
GCP
Kong
Rest API
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Alga Payment

algapay.kz
Headquartered in Almaty, Kazakhstan, AlgaPay is an innovative fintech startup and participant in Astana Hub. The company provides a digital platform that allows employees to access their earned wages before payday, helping them avoid traditional loans. Additionally, it integrates with enterprise accounting systems to automate payroll processes and optimize liquidity management for businesses.
algapay.kz • HQ: Almaty, Kazakhstan • Financial Services
HQ: Almaty, Kazakhstan • Financial Services
Verified live · 11 hours ago 3 days ago

Python Backend Developer Senior

$17k – $46k per year (Estimated) • Senior • Remote/Hybrid (Almaty, Kazakhstan) • Senior • Russian: C1
Python
Python
Django
FastAPI
SQLAlchemy
Databases
PostgreSQL
Apache Kafka
RabbitMQ
Redis
AI/ML
ChatGPT
Claude
Copilot
DevOps
CI/CD
Git
Gitflow
Rest API
AWS
GCP
Grafana
Nginx
Prometheus
Yandex Cloud
QA
Pytest
Apply
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NCS

ncs.co
NCS is a technology services provider headquartered in Singapore and was founded in 1981. The company provides a broad range of services including digital transformation, system integration, cybersecurity, and artificial intelligence solutions for government and enterprise clients. As a subsidiary of the Singtel Group, it operates across the Asia Pacific region with a presence in markets such as Australia, China, and India.
ncs.co • HQ: Singapore • Managed Security • Cybersecurity • LLM & Generative AI • Artificial Intelligence • Managed IT Services • System Integration • Information Technology • IT Consulting • Est. 1981
HQ: Singapore • Managed Security • Cybersecurity • LLM & Generative AI • Artificial Intelligence • Managed IT Services • System Integration • Information Technology • IT Consulting • Est. 1981
Verified live · 1 hour ago 4 days ago

Senior Software Engineer (Java)

$91k – $165k per year (Estimated) • Equity • Senior • In office (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior • English: C1
Java
Java
Spring Boot
Databases
PostgreSQL
DevOps
Rest API
CI/CD
Apply
Verified live · 1 hour ago 4 days ago

Senior Software Engineer (Java)

$62k – $98k per year (Estimated) • Equity • Senior • In office (Kraków, Poland) • Bachelor's Degree • Full-Time • Senior • English: C1
Java
Java
Spring Boot
Databases
PostgreSQL
DevOps
Rest API
CI/CD
Apply
Verified live · 1 hour ago 4 days ago

Software Engineer (Java)

$79k – $177k per year (Estimated) • Equity • In office (London, United Kingdom) • Bachelor's Degree • Full-Time • English: C1
Java
Java
Spring Boot
Databases
PostgreSQL
DevOps
Rest API
CI/CD
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HealthEdge

healthedge.com
HealthEdge builds core administrative software for health insurance payers. Its products handle claims processing, benefits configuration, care management and member engagement. Plans use the platform to replace decades-old claims systems.
healthedge.com • HQ: Burlington, United States • Digital Health • Data & Analytics • Cloud Computing • 1001-5000 employees • Est. 2004
HQ: Burlington, United States • Digital Health • Data & Analytics • Cloud Computing • 1001-5000 employees • Est. 2004
Verified live · 26 min ago 4 days ago

Lead II - Software Engineering

Lead • In office • Bachelor's Degree • Staff
C#
JavaScript
Python
SQL
TypeScript
C#
ASP.NET Core
Entity Framework Core
Frontend
Angular
DevOps
Rest API
Azure
Docker
Apply
Verified live · 26 min ago 4 days ago

Software Engineer

$20k – $54k per year (Estimated) • Middle • 3+ years expIn office (Hyderabad, India) • Bachelor's Degree • Middle
Python
SQL
Databases
PostgreSQL
DevOps
AWS
CI/CD
Git
GitHub Actions
Amazon S3
GitHub
IAM
Rest API
Cybersecurity
HIPAA
Analytics
Tableau
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CareValidate

carevalidate.com
CareValidate is a digital mental health and wellness platform for employee health, safety, and HR teams, providing tools for weight management, stress, and anxiety navigation, health risk mitigation, and more
carevalidate.com • Mental Health • Health Care • Digital Health • Est. 2018
Mental Health • Health Care • Digital Health • Est. 2018
Senior • 5+ years expRemote/Hybrid • Contractor • Senior
TypeScript
JavaScript
Node JS
AI/ML
Copilot
LLM
Frontend
Lighthouse
DevOps
CI/CD
CircleCI
GitHub Actions
Jenkins
Rest API
Self-Healing
GitHub
Docker
Management
Linear
Notion
Slack
QA
Playwright
Postman
Applitools
k6
Pact
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SBT Global

sbtglobal.com
SBT Global is an enterprise technology and global commerce company headquartered in Texas. The organization specializes in technology procurement and distribution, software development, and the export of pre-owned electronics and gadgets. Through its strategic investments, logistics networks, and e-commerce platforms, the company works to bridge North American supply chains with emerging international markets.
sbtglobal.com • HQ: Irvine, United States • Information Technology
HQ: Irvine, United States • Information Technology
Verified live · 1 hour ago 4 days ago

AI Application & Cloud Operations Engineer (Mid level)

$109k – $118k per year • Middle • 5+ years expIn office (Plano, United States) • Contractor • Senior • English
Bash
JavaScript
Node JS
Python
Python
FastAPI
Flask
Gunicorn
Uvicorn
Databases
Meilisearch
pgvector
PostgreSQL
Redis
AI/ML
AWS Bedrock
Claude
Model Context Protocol
AI Agents
LLM
RAG
DevOps
AWS
CI/CD
Docker
Nginx
Ubuntu
Amazon CloudWatch
Git
Grafana
Incident Management
Jenkins
Kubernetes
Prometheus
Rest API
Apply
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IntraEdge

intraedge.com
IntraEdge is a global technology talent, services, and training organization that offers products and services for client engagement, staffing, design and development, learning, and workforce development.
intraedge.com • Bengaluru • Higher Education • Data Governance • Cybersecurity • Est. 2002
Bengaluru • Higher Education • Data Governance • Cybersecurity • Est. 2002
$24k – $64k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Bachelor's Degree • Senior
C#
JavaScript
SQL
TypeScript
C#
ASP.NET Core
Frontend
React.js
DevOps
Amazon EC2
AWS
AWS Lambda
Bitbucket
CI/CD
Docker
Git
Rest API
Amazon CloudWatch
Amazon S3
API Gateway
GitHub
GitLab
IAM
Apply
Report

50Fin

50fin.in
50Fin is a credit platform that that rewards value investors with low-interest credit products by providing access to loans on NIFTY50 stocks and top mutual funds and are currently backed by 100x VC.
50fin.in • Bengaluru • Lending • Est. 2021
Bengaluru • Lending • Est. 2021
$25k – $66k per year (Estimated) • Senior • 3+ years expIn office (Bengaluru, India) • Senior
Python
SQL
Python
Django
Django REST Framework
FastAPI
Flask
SQLAlchemy
Databases
MySQL
PostgreSQL
DevOps
Rest API
Apply
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Form Energy

formenergy.com
Form Energy develops iron-air batteries designed to discharge over multiple days. The chemistry uses reversible rusting to store energy at very low material cost. Utilities are piloting the systems to cover extended renewable shortfalls.
formenergy.com • HQ: Somerville, United States • Industrial Real Estate • Energy & Utilities • Energy Storage • Est. 2017
HQ: Somerville, United States • Industrial Real Estate • Energy & Utilities • Energy Storage • Est. 2017
Verified live · 1 hour ago 4 days ago

Staff Data Engineer

$148k – $185k per year • Equity • Staff+ • 7+ years expIn office (Berkeley, Somerville, United States) • Relocation • Bachelor's Degree • Full-Time • Staff
Java
Python
Scala
Python
pySpark
Databases
Apache Iceberg
Apache Kafka
Delta Lake
PostgreSQL
ClickHouse
Databricks
Druid
InfluxDB
Snowflake
TimescaleDB
AI/ML
Airflow
Dagster
dbt
Prefect
Spark
Time Series Forecasting
DevOps
AWS
Pulumi
Terraform
Amazon Kinesis
Rest API
IoT
MQTT
OPC UA
Apply
Verified live · 1 hour ago 2 months ago

Senior Staff DevSecOps Engineer

$170k – $213k per year • Equity • Staff+ • 9+ years expIn office (Somerville, United States) • Relocation • Full-Time • Staff
JavaScript
PowerShell
Python
TypeScript
Apex
Apex
MuleSoft
AI/ML
LLM
AI Agents
LLM Guardrails
Model Context Protocol
DevOps
CI/CD
Git
Rest API
IAM
AWS
Azure
GCP
Cybersecurity
Least Privilege
Analytics
ETL/ELT
Management
Zapier
Apply
Report

Onereach

onereach.ai
Building AI agents is no longer the challenge. Connecting thousands of them is. OneReach.ai is the agentic infrastructure that makes it possible.
onereach.ai • Toronto • Montreal • Audit • AI Agents • Artificial Intelligence • Est. 2012
Toronto • Montreal • Audit • AI Agents • Artificial Intelligence • Est. 2012
Verified live · 3 hours ago 4 days ago

Technical Project Manager - Toronto / Remote

$65k – $83k per year • Middle • 3+ years expToronto • Remote (Canada) • Contractor • Middle • English: C1
JavaScript
AI/ML
AI Agents
DevOps
Rest API
Apply
Verified live · 3 hours ago 4 days ago

Technical Project Manager - Montreal / Remote

$65k – $83k per year • Middle • 3+ years expMontreal • Remote (Canada) • Contractor • Middle • English: C1
JavaScript
AI/ML
AI Agents
DevOps
Rest API
Apply
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Atoms

atoms.co
Atoms is Travis Kalanick's industrial robotics company, brought out of eight years of stealth in 2026 as the rebrand of City Storage Systems, the parent of CloudKitchens. It builds task-specific robots and automation infrastructure across three areas: Atoms Food (infrastructure for better food), Atoms Mining (more productive mines), and Atoms Transport (a wheelbase for robots).
atoms.co • San Francisco • Seattle • New York • Bogotá • Washington • Manufacturing • Robotics • Industrial Automation • Industrial Robotics
San Francisco • Seattle • New York • Bogotá • Washington • Manufacturing • Robotics • Industrial Automation • Industrial Robotics
Top 25% pay 4 days ago

Senior Frontend Engineer

$176k – $242k per year • Equity • Senior • 3+ years expIn office (New York, United States) • Full-Time • Senior
TypeScript
JavaScript
Frontend
GraphQL
React.js
Mobile
React Native
State Management
DevOps
Rest API
WebSockets
Apply
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Woongjin

woongjin.com
Woongjin is a diversified conglomerate and investment holding company headquartered in Seoul, South Korea, that was founded in 1980. The company provides a wide range of services including IT consulting, enterprise resource planning (ERP) solutions, cloud management, and digital transformation services, alongside its core business units in education, publishing, and food. It operates through numerous subsidiaries such as Woongjin Thinkbig and Woongjin IT, serving a global client base with a strong focus on the South Korean market and expanding international operations in Southeast Asia.
woongjin.com • HQ: Seoul, South Korea • Cloud Computing • Food & Beverages • EdTech Platforms • Enterprise Resource Planning (ERP) • Software • IT Consulting • Information Technology • Education • Est. 1980
HQ: Seoul, South Korea • Cloud Computing • Food & Beverages • EdTech Platforms • Enterprise Resource Planning (ERP) • Software • IT Consulting • Information Technology • Education • Est. 1980
Verified live · 5 hours ago 4 days ago

Mid-Level AI Application & Cloud Operations Engineer

$105k – $118k per year • Middle • 5+ years expIn office (Plano, United States) • Contractor • Senior • English
Bash
JavaScript
Node JS
Python
Python
FastAPI
Flask
Gunicorn
Uvicorn
Databases
Meilisearch
pgvector
PostgreSQL
Redis
AI/ML
AWS Bedrock
Claude
Model Context Protocol
AI Agents
LLM
RAG
DevOps
AWS
CI/CD
Docker
Nginx
Ubuntu
Amazon CloudWatch
Git
Grafana
Incident Management
Jenkins
Kubernetes
Prometheus
Rest API
Apply
Report

RR Donnelley

rrd.com
RRD (R.R. Donnelley) provides businesses with advertising and marketing products and services. Some of their offerings include digital print materials, data management, business support, and more. This company is headquartered in Chicago, Illinois...
rrd.com • Columbus • Phoenix • Newark • Irvine • Washington • Events & Ticketing • Supply Chain • Sales & Marketing • Est. 1966
Columbus • Phoenix • Newark • Irvine • Washington • Events & Ticketing • Supply Chain • Sales & Marketing • Est. 1966
Verified live · 2 hours ago 4 days ago

Sr Front End Developer

$92k – $147k per year • Senior • 5+ years expNew York • Remote (United States) • Full-Time • Middle • English
JavaScript
TypeScript
Frontend
Angular
Bootstrap
JQuery
React.js
DevOps
Rest API
Apply
Report

Evolution

evolution.com
Evolution is a leading global B2B developer and supplier of online casino systems, specializing in live dealer gaming and digital casino entertainment. The company designs, produces, and licenses fully integrated live casino studios, game shows, and RNG table games to licensed online gaming operators worldwide. Leveraging state-of-the-art video streaming, real-time software automation, and multi-platform infrastructure, it helps casino brands deliver immersive, high-definition gaming experiences to players across regulated markets.
evolution.com • HQ: Stockholm, Sweden • Gaming • iGaming & Gambling • 5000+ employees
HQ: Stockholm, Sweden • Gaming • iGaming & Gambling • 5000+ employees
Verified live · 2 hours ago 4 days ago

Technical Integration Manager

$89k – $169k per year (Estimated) • Middle • 3+ years expIn office (Philadelphia, United States) • Full-Time • Senior • English
Rest API
Apply
$42k – $56k per year (gross) • Junior • 2+ years expRemote/Hybrid (Riga, Latvia) • Bachelor's Degree • Full-Time • Senior • English: B2
Rest API
Management
Confluence
Apply
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Spycloud

spycloud.com
SpyCloud is a cybersecurity company that specializes in identity protection and threat intelligence. The company provides solutions for enterprise protection, consumer risk protection, and cybercrime investigations. SpyCloud's services include automated account takeover (ATO) prevention, post-infection remediation, ransomware prevention, session hijacking prevention, threat actor attribution, fraud prevention, dark web monitoring, and penetration testing.
spycloud.com • Austin • Washington • Huntsville • Events & Ticketing • Artificial Intelligence • Cybersecurity
Austin • Washington • Huntsville • Events & Ticketing • Artificial Intelligence • Cybersecurity
Verified live · 1 hour ago 4 days ago

Senior Software Engineer, Investigations

$131k – $170k per year • Senior • Austin • Remote (United States, United Kingdom) • PhD • Full-Time • Senior
Go
Python
TypeScript
JavaScript
Databases
Databricks
PostgreSQL
AI/ML
AI Agents
AWS Bedrock
LangGraph
LangChain
LLM Evaluation
LLM Guardrails
LLM
Spark
Frontend
React.js
Material UI
DevOps
Amazon EC2
AWS
AWS Lambda
CI/CD
GitHub Actions
Amazon ECS
API Gateway
GitHub
Docker
Rest API
Terraform
Apply
Report

Backblaze

backblaze.com
Backblaze (NASDAQ: BLZE) is a leading cloud storage and data backup provider headquartered in San Mateo, California. Founded in 2007 by Gleb Budman, Tim Nufire, Billy Ng, Nilay Patel, Brian Wilson, Casey Jones, and Damon Uyeda, the company operates a proprietary, high-density hardware and software infrastructure platform). Its business model spans two primary offerings: Computer Backup and B2 Cloud Storage.
backblaze.com • HQ: San Mateo, United States • Consumer Electronics • Internet Services • Information Technology • Cloud Storage & File Sharing • Digital Storage • Est. 2007
HQ: San Mateo, United States • Consumer Electronics • Internet Services • Information Technology • Cloud Storage & File Sharing • Digital Storage • Est. 2007
Verified live · 3 hours ago 4 days ago

Software Engineer, Open Source AI

$41k – $108k per year (Estimated) • Remote (Colombia, Mexico, Costa Rica)
Go
JavaScript
Python
Rust
TypeScript
AI/ML
Claude
Claude Code
Google Colab
OpenAI Codex
DevOps
Rest API
GitHub
QA
Pytest
Apply
Open 119 daysVerified live · 3 hours ago 4 months ago

Software Engineer, AI

$27k – $95k per year (Estimated) • Junior • 2+ years exp • Remote (Colombia, Mexico, Costa Rica, Argentina) • Junior
Go
JavaScript
Python
SQL
TypeScript
Databases
Cassandra
AI/ML
Claude
Claude Code
Cursor
LangChain
LlamaIndex
OpenAI Codex
AI Agents
Frontend
React.js
DevOps
CI/CD
Rest API
GitHub
QA
Pytest
Apply
Report

E On

eon.com
E. ON is a leading energy solutions provider, actively involved in completing significant financial agreements such as a ¥16 billion Yen private placement maturing in 2030. The company is particularly focused on the energy sector in Germany, with efforts directed towards boosting the hydrogen economy. Additionally, E. ON is collaborating with companies like Mercedes-Benz to redefine the electric vehicle landscape in Central and Eastern Europe, demonstrating its commitment to innovative energy solutions and infrastructure development.
eon.com • San Francisco • Chicago • Toronto • Washington • New York
San Francisco • Chicago • Toronto • Washington • New York
Verified live · 9 hours ago 4 days ago

Senior Support Engineer

$80k – $158k per year (Estimated) • Equity • Senior • 5+ years exp • Remote (United States) • Senior
JavaScript
Python
Frontend
GraphQL
DevOps
AWS
Azure
GCP
Incident Management
Rest API
IAM
Apply
Report

Smile Digital Health

smiledigitalhealth.com
Smile Digital Health is a health information technology company headquartered in Toronto, Canada, and founded in 2016. The company provides a FHIR-native health data platform that enables interoperability, digital quality measures, and clinical intelligence for healthcare organizations. It serves government agencies, health systems, and payers globally, focusing on open standards to unify fragmented healthcare data and improve patient outcomes.
smiledigitalhealth.com • HQ: Toronto, Canada • System Integration • Information Technology • Data Quality • Data Integration • Data Management • Data & Analytics • Health Care • Digital Health • Est. 2016
HQ: Toronto, Canada • System Integration • Information Technology • Data Quality • Data Integration • Data Management • Data & Analytics • Health Care • Digital Health • Est. 2016
Verified live · 6 hours ago 4 days ago

Frontend Developer, Intermediate (Remote Canada)

$65k – $79k per year • Middle • 5+ years expIn office (Toronto, Canada) • Bachelor's Degree • Full-Time • Middle
JavaScript
TypeScript
Frontend
Angular
Bootstrap
Mobile
Ionic
DevOps
Azure
CI/CD
Docker
Git
Rest API
GitLab
Design
Figma
Management
Jira
Slack
QA
Postman
Apply
$115k – $135k per year • Senior • 8+ years expToronto • Remote (Canada) • Visa sponsorship • Bachelor's Degree • Senior
Java
SQL
DevOps
Git
Rest API
Apply
Verified live · 6 hours ago 2 months ago

Technical Manager (Implementations & Delivery) - Remote US

$145k – $160k per year • Lead • 8+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Staff
Java
SQL
Databases
Oracle
PostgreSQL
DevOps
CI/CD
Docker
Kubernetes
Rest API
Management
Jira
Apply
Report

Wargaming

wargaming.com
Wargaming is a game company founded in 1998 and headquartered in Nicosia. It develops and publishes the World of Tanks and World of Warships free-to-play franchises. The group employs thousands of people across several studios.
wargaming.com • HQ: Nicosia, Cyprus • Naval Systems • Mobile Games • Gaming • Est. 1998
HQ: Nicosia, Cyprus • Naval Systems • Mobile Games • Gaming • Est. 1998
Verified live · 1 hour ago 4 days ago

Senior Frontend Engineer (World of Warships)

Senior • 5+ years expIn office (Belgrade, Serbia) • Senior • Russian (Optional) • English
JavaScript
Node JS
TypeScript
Frontend
GSAP
React.js
Sass
Three.JS
DevOps
Rest API
Design
Figma
Apply
Middle • 3+ years expRemote/Hybrid (Belgrade, Serbia) • Middle • Russian • English
JavaScript
TypeScript
Node JS
Frontend
Sass
Vue.js
GSAP
Pinia
Three.JS
Vite
DevOps
Rest API
CI/CD
GitLab CI
Nginx
GitLab
Design
Figma
Adobe Photoshop
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.