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

Sign3Labs

sign3labs.com
Sign3 is a B2B fintech and cybersecurity firm that offers a real-time AI fraud detection and risk intelligence platform to help companies prevent scams, reduce financial losses and make safer decisions about users.
sign3labs.com • Gurgaon • Artificial Intelligence • FinTech • Fraud Detection • Est. 2021
Gurgaon • Artificial Intelligence • FinTech • Fraud Detection • Est. 2021
2 months ago

Software Engineer

$15k – $40k per year (Estimated) • Junior • 2+ years expIn office (Gurgaon, India) • Junior
Java
Python
DevOps
AWS
GCP
Rest API
Apply
Report

albo

albo.com
albo is a Mexican fintech founded in 2016 and based in Mexico City. Its app provides digital accounts, cards and money management. The company was one of the first Mexican neobanks.
albo.com • HQ: Mexico City, Mexico • Credit Cards • Est. 2016
HQ: Mexico City, Mexico • Credit Cards • Est. 2016
Verified live · 1 day ago 2 months ago

Backend Developer

Senior • 5+ years expIn office • Bachelor's Degree • Full-Time • Senior
Go
Java
SQL
Java
Quarkus
Databases
Apache Kafka
MySQL
PostgreSQL
DevOps
CI/CD
GCP
Google GKE
Jenkins
Kubernetes
Rest API
Apply
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Deutsche Börse

deutsche-boerse.com
Deutsche Börse is the German exchange group headquartered in Eschborn near Frankfurt. It runs the Xetra and Eurex trading platforms, the Clearstream settlement business and a large market data and analytics arm. The group operates some of the highest throughput trading technology in Europe and employs thousands of engineers.
deutsche-boerse.com • HQ: Eschborn, Germany • Exhibitions • Information Technology • Financial Services • 1001-5000 employees • Est. 1993
HQ: Eschborn, Germany • Exhibitions • Information Technology • Financial Services • 1001-5000 employees • Est. 1993
Verified live · 10 hours ago 2 months ago

Senior Data Engineer – Python & SQL

$28k – $56k per year (Estimated) • Senior • 9+ years expIn office (Gurgaon, India) • Bachelor's Degree • Full-Time • Senior
Python
SQL
Python
FastAPI
Flask
Databases
Amazon Redshift
Google BigQuery
Snowflake
PostgreSQL
AI/ML
Airflow
dbt
LLM
RAG
AI Agents
DevOps
CI/CD
Datadog
GCP
Git
Google Cloud Run
Rest API
API Gateway
Analytics
ETL/ELT
Apply
Verified live · 10 hours ago 2 months ago

Market Data Analyst

$48k – $120k per year (Estimated) • Middle • 3+ years expIn office (London, United Kingdom) • Full-Time • Middle
Python
SQL
DevOps
Rest API
Analytics
Power BI
Tableau
Apply
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Crypto Finance

cryptofinance.ch
Crypto Finance is a Swiss financial services group that provides institutional and professional investors with secure access to the digital asset ecosystem. A subsidiary of Deutsche Börse Group, the company offers a comprehensive suite of regulated services, including crypto asset management, brokerage, and secure storage solutions. By combining traditional financial industry standards with blockchain technology, it enables institutions to seamlessly integrate digital assets into their portfolios.
cryptofinance.ch • HQ: Zurich, Switzerland • Financial Services • Blockchain & Crypto • Crypto Exchanges
HQ: Zurich, Switzerland • Financial Services • Blockchain & Crypto • Crypto Exchanges
$67k – $167k per year (Estimated) • Senior • 5+ years expIn office (Zurich, Switzerland) • Bachelor's Degree • Full-Time • Senior
Python
DevOps
CI/CD
Rest API
Docker
Kubernetes
QA
Cypress
Playwright
Postman
Selenium
Swagger
TestRail
Gatling
k6
Apply
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Viva

viva.com
Viva.com's mission is to change the way businesses pay and get paid, offering truly unifying, yet localized, end-to-end advanced digital payments solutions and embedded banking services tailored to their needs.
viva.com • Barcelona • London • Marousi • Paris • Bordeaux • FinTech • Financial Services • Payments
Barcelona • London • Marousi • Paris • Bordeaux • FinTech • Financial Services • Payments
Verified live · 23 min ago 2 months ago

Senior DevOps Engineer

Senior • In office (Marousi, Greece) • Bachelor's Degree • Full-Time • Senior
Bash
PowerShell
Python
Java
Java
Gradle
DevOps
Azure
Azure AKS
Azure DevOps
Bicep
CI/CD
Datadog
Docker
Git
Kubernetes
Platform Engineering
Terraform
ArgoCD
GitOps
KEDA
Rest API
Cybersecurity
Least Privilege
Apply
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Reserve Bank Innovation Hub is a wholly owned subsidiary of the Reserve Bank of India that drives innovation in the financial sector through technology, policy research, and ecosystem collaboration.
rbihub.in • Bengaluru • Financial Services • Government • FinTech • Est. 2026
Bengaluru • Financial Services • Government • FinTech • Est. 2026
2 months ago

Senior Java Developer

$25k – $65k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Senior
Java
Java
Spring Boot
Mobile
JUnit
DevOps
Azure
Azure DevOps
CI/CD
Docker
Git
Rest API
GitHub
Apply
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Taktile

taktile.com
Taktile is the Agentic Decision Platform empowering financial institutions to combine the speed of AI automation with the oversight of people, so teams can safely approve customers, catch more fraud, and stay compliant.
taktile.com • HQ: Berlin, Germany • Financial Services • FinTech • Decision Intelligence
HQ: Berlin, Germany • Financial Services • FinTech • Decision Intelligence
Verified live · 1 hour ago 2 months ago

Lead Forward Deployed Engineer

$70k – $186k per year (Estimated) • Lead • 6+ years expRemote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Staff
Python
SQL
AI/ML
AI Agents
DevOps
AWS
Azure
GCP
Rest API
Cybersecurity
GDPR
Apply
Verified live · 1 hour ago 2 months ago

Senior Forward Deployed Engineer

$78k – $157k per year (Estimated) • Senior • 4+ years expRemote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Senior
Python
SQL
AI/ML
AI Agents
DevOps
AWS
Azure
GCP
Rest API
Cybersecurity
GDPR
Apply
Verified live · 1 hour ago 2 months ago

Forward Deployed Engineer

$67k – $151k per year (Estimated) • Junior • 2+ years expRemote/Hybrid (Berlin, Germany, London, United Kingdom) • Full-Time • Junior
Python
SQL
AI/ML
AI Agents
DevOps
AWS
Azure
GCP
Rest API
Cybersecurity
GDPR
Apply
Report

BEST S.A.

spojrznapraceinaczej.pl
Szukasz pracy? Sprawdź jakie oferty pracy czekają na ciebie w BEST! Zatrudniamy specjalistów w wielu dziedzinach. Dołącz do nas!
spojrznapraceinaczej.pl • Gdynia • Financial Services • Debt Collection
Gdynia • Financial Services • Debt Collection
2 months ago

Frontend Developer

$32k – $43k per year • Gdynia • Remote (Poland) • Full-Time • Polish: C1
TypeScript
JavaScript
Frontend
ESLint
Husky
Material UI
Prettier
React Router
React.js
Redux
styled-components
DevOps
Rest API
Apply
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BaseLinker

baselinker.com
BaseLinker (now branded as Base.com) is an e-commerce workflow automation and multi-channel integration platform founded in 2006 in Wrocław, Poland. The cloud-based software acts as a central operational hub for online retailers, direct-to-consumer (D2C) brands, and multi-channel sellers. By centralizing order management, inventory synchronization, listing automation, shipping label generation, and customer communications across 1,700+ marketplaces, and logistics carriers, the platform drastically cuts manual overhead and eliminates overselling for global e-commerce merchants.
baselinker.com • HQ: Wrocław, Poland • Software • Commerce • E-commerce Platforms • Est. 2006
HQ: Wrocław, Poland • Software • Commerce • E-commerce Platforms • Est. 2006
$38k – $59k per year • Wrocław • Remote (Poland) • Full-Time • Polish: C1
PHP
PHP
Doctrine
Symfony
Databases
ElasticSearch
RabbitMQ
Mobile
Dependency Injection
DevOps
Rest API
Apply
Verified live · 9 hours ago 6 months ago

Full-stack Developer (BL paczka)

$52k – $94k per year (Estimated)Gdańsk • Remote (Poland) • Full-Time • Polish: C1
JavaScript
PHP
PHP
Laravel
Symfony
Databases
Amazon Aurora
MySQL
AI/ML
Claude
Copilot
OpenAI Codex
Frontend
JQuery
DevOps
AWS
AWS Lambda
CI/CD
Docker
Git
GitHub Actions
Jenkins
Rest API
Amazon S3
GitHub
Apply
Report

Rublon

rublon.pl
Rublon is a Polish cybersecurity company specializing in enterprise multi-factor authentication (MFA) and access management solutions. Its flagship platform, Rublon MFA, adds an additional layer of identity protection across networks, VPNs, cloud applications, and server environments using authentication methods like mobile push notifications, FIDO security keys, and hardware tokens.
rublon.pl • HQ: Zielona Góra, Poland • Network Security • Identity Management • Cybersecurity
HQ: Zielona Góra, Poland • Network Security • Identity Management • Cybersecurity
$18k – $24k per year • In office (Zielona Góra, Poland) • Full-Time • Polish: C1
JavaScript
SQL
AI/ML
AI Agents
DevOps
Git
Rest API
GitHub
IAM
Cybersecurity
Microsoft Entra ID
OWASP Top 10
QA
Insomnia
Postman
Apply
$18k – $30k per year • In office (Zielona Góra, Poland) • Full-Time • Polish: C1
JavaScript
Kotlin
Objective-C
Swift
TypeScript
AI/ML
AI Agents
Frontend
React.js
Mobile
Fastlane
Jetpack Compose
React Native
SwiftUI
UIKit
DevOps
CI/CD
Git
GitHub Actions
Rest API
GitHub
Apply
$18k – $30k per year • In office (Zielona Góra, Poland) • Full-Time • Polish: C1
Bash
PowerShell
Python
AI/ML
AI Agents
DevOps
AWS
Azure
CI/CD
Docker
Git
Rest API
GitHub
IAM
Cybersecurity
Burp Suite
Microsoft Entra ID
Nmap
OWASP Top 10
OWASP ZAP
Threat Modeling
Wireshark
Apply
Report

Viber

viber.com
Private and secure messaging All around the world, users turn to Viber to have open and authentic conversations with their friends, family and colleagues. With Viber you can rest assured, knowing that your personal chats are always protected and private and that all your conversations are your own.
viber.com • Warsaw • Minsk • Communication & Collaboration • Internet Services • Online Communication
Warsaw • Minsk • Communication & Collaboration • Internet Services • Online Communication
2 months ago

Full Stack Engineer

$62k – $99k per year (Estimated) • Senior • 7+ years expIn office (Warsaw, Poland) • Bachelor's Degree • Full-Time • Senior
JavaScript
Node JS
TypeScript
Node JS
Fastify
Nest.JS
Frontend
Angular
Next.js
React Query
React.js
Yup
Zod
DevOps
AWS
AWS Lambda
CI/CD
Docker
Rest API
Apply
Report

SD Worx Poland

sdworx.com
sdworx.com • Katowice • Software • Professional Services • Human Resources
Katowice • Software • Professional Services • Human Resources
$58k – $71k per year • Senior • 4+ years expKatowice • Remote (Poland) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
Entity Framework Core
Databases
MS SQL
Frontend
Angular
Bootstrap
RxJS
DevOps
AWS
Azure
Azure DevOps
CI/CD
Docker
Git
Rest API
Apply
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CKSource

cksource.com
CKSource is a software company that develops content editing and collaboration solutions for web applications. It is best known for CKEditor, a rich text editor offered alongside commercial licenses, cloud services, and tools for integrating document workflows into digital products.
cksource.com • Warsaw • Communication & Collaboration • Software • Content Management Systems (CMS)
Warsaw • Communication & Collaboration • Software • Content Management Systems (CMS)
2 months ago

QA Engineer

$34k – $51k per year • Junior • 2+ years expWarsaw • Remote (Poland) • Full-Time • Junior • Polish: C1
JavaScript
Node JS
TypeScript
DevOps
AWS
Docker
Rest API
WebSockets
GitHub
CI/CD
CircleCI
GitHub Actions
QA
Cypress
Insomnia
Playwright
Postman
Swagger
Apply
Report

Synerise

synerise.com
Synerise is a composable AI infrastructure platform that captures behavioral signals in real time, predicts next actions, and automates decisions — from the first millisecond to billions of events.
synerise.com • Kraków • Machine Learning • Data & Analytics • Artificial Intelligence
Kraków • Machine Learning • Data & Analytics • Artificial Intelligence
$61k – $77k per year • Senior • 5+ years expKraków • Remote (Poland) • Full-Time • Senior
Node JS
Python
SQL
TypeScript
JavaScript
Node JS
Joi
Sequelize
Databases
Apache Kafka
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
OpenAI
DevOps
CI/CD
Docker
Git
GitLab CI
Kubernetes
Rest API
GitHub
GitLab
QA
Jest
Vitest
Apply
Report

AblyWorks

ablyworks.com
AblyWorks is an HR-tech company that offers AI-powered HR and business software and tools to help organizations automate hiring, efficiently manage workforce operations, and handle digital financial services.
ablyworks.com • Noida • Delhi • Professional Services • Artificial Intelligence • Human Resources • Est. 2017
Noida • Delhi • Professional Services • Artificial Intelligence • Human Resources • Est. 2017
2 months ago

Fullstack Engineer

$15k – $40k per year (Estimated) • Junior • 2+ years expDelhi • Remote (India) • Bachelor's Degree • Junior
JavaScript
Node JS
Node JS
Express
Databases
MySQL
PostgreSQL
Frontend
React.js
DevOps
Git
Rest API
Apply
Report

Simplilearn

simplilearn.com
Simplilearn offers online training, blended classroom training and exam practice tests in hundreds of courses across multiple categories like IT, Finance, etc. Acquired Silicon Valley-based Market Motive in a $10M deal.
simplilearn.com • Bengaluru • Noida • Education • EdTech Platforms • E-learning • Est. 2009
Bengaluru • Noida • Education • EdTech Platforms • E-learning • Est. 2009
2 months ago

SDE - 1

$16k – $43k per year (Estimated) • Junior • 5+ years expIn office (Bengaluru, India) • Senior
Swift
Mobile
Adaptive UI
Combine
Deep Linking
Firebase
GCD
MVVM
SwiftUI
UIKit
Crashlytics
DevOps
Git
Rest API
CI/CD
Apply
Report

Ivalua

ivalua.com
Ivalua is a software company founded in 2000 that publishes a source-to-pay suite for corporate procurement departments. Its single platform covers supplier management, sourcing, contracts, purchasing and invoice automation for large multinationals. Headquartered in Massy near Paris, it is one of the few European vendors rated a leader in global procurement software.
ivalua.com • HQ: Massy, France • E-learning • Artificial Intelligence • Supply Chain • Est. 2000
HQ: Massy, France • E-learning • Artificial Intelligence • Supply Chain • Est. 2000
$39k – $84k per year (Estimated) • Executive • 10+ years expRemote/Hybrid (Pune, India) • Bachelor's Degree • Architect
SQL
DevOps
Rest API
Analytics
Power BI
ETL/ELT
Apply
Report

Kingfisher

kingfisher.com
Kingfisher plc is an international home improvement company with over 1,900 stores, supported by a team of 82,000 colleagues.
kingfisher.com • Kraków • Southampton • Cluj-Napoca • Industrial Hardware • Commerce • Tools & DIY Supplies
Kraków • Southampton • Cluj-Napoca • Industrial Hardware • Commerce • Tools & DIY Supplies
$64k – $90k per year • Senior • Kraków • Remote (Poland) • Full-Time • Senior
TypeScript
JavaScript
Frontend
GraphQL
React.js
Remix
DevOps
CI/CD
Rest API
QA
Jest
Playwright
Apply
Report

HSBC

hsbc.pl
HSBC is a global banking and financial services institution headquartered in London, United Kingdom, and was founded in 1865. The company provides a comprehensive range of services including corporate and institutional banking, global markets solutions, and specialized operational support through its global service center in Krakow. It operates in Poland through offices in Warsaw, Gdansk, and Katowice, focusing on supporting international trade and the expansion of both domestic and multinational corporate clients.
hsbc.pl • HQ: London, United Kingdom • Risk Management • Capital Markets • Investment Banking • Financial Services • Banking
HQ: London, United Kingdom • Risk Management • Capital Markets • Investment Banking • Financial Services • Banking
2 months ago

Tech Lead (Java)

$96k – $109k per year • Lead • 7+ years expIn office (Kraków, Poland) • Full-Time • Staff
Java
Java
Spring Boot
Spring Cloud
Databases
Redis
AI/ML
Flink
DevOps
Ansible
CI/CD
GCP
Jenkins
Rest API
Apply
Report

Merkle Sokrati

merkle.com
Merkle Sokrati is a marketing and advertising organization that provides services related to search engine marketing, SEO, digital marketing, social media marketing, Facebook marketing, etc.
merkle.com • Bengaluru • Advertising • Search Engine Optimization (SEO) • Sales & Marketing • Est. 2009
Bengaluru • Advertising • Search Engine Optimization (SEO) • Sales & Marketing • Est. 2009
$35k – $83k per year (Estimated) • Lead • 8+ years expIn office (Bengaluru, India) • Bachelor's Degree • Staff
Python
SQL
TypeScript
JavaScript
Python
Celery
Django
FastAPI
pre-commit
Databases
OpenSearch
PostgreSQL
Redis
Databricks
Neo4j
Trino
AI/ML
AWS Bedrock
LLM
RAG
AWS Strands Agents
OpenAI Agents SDK
AI Agents
Model Context Protocol
Arize Phoenix
DeepEval
Guardrails AI
Langfuse
LiteLLM
Vertex AI
A2A
AWS Bedrock AgentCore
LLM Guardrails
Frontend
shadcn/ui
Vite
React.js
Tailwind CSS
Radix UI
Husky
Mobile
Declarative UI
Expo
React Native
DevOps
AWS
AWS Fargate
CI/CD
Docker
Grafana
OpenTelemetry
Rest API
Terraform
WebSockets
Amazon ECS
AWS CDK
Amazon EventBridge
Amazon S3
IAM
AWS Step Functions
Cybersecurity
Okta
QA
Playwright
Pytest
Vitest
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.