API Jobs in Denver, CO

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21 - 40 of 1,790 Jobs

Microservices engineer- API / Security

HCL America Inc.

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Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 11 days ago

Senior API Engineer

York Solutions, LLC

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Remote

Contract

? This person will be on a critical effort for an enterprise CIF decommission ? Expected to come in and help with the strategy. There is work that needs to be done by the end of the year. ? This person should have OATH experience and will be creating swagger documents & writing automation tests ? Java is a must ? Hands on API experience is a must ? They do have event driven architecture in their environment Technical Skills: ? API developers should have comprehensive technical skills, includ
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Posted 14 days ago | Updated 7 hours ago

Full Stack Developer - Backend / API Development

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is looking for a Full Stack Developer - Backend / API Development to join a strategic global organization a fully remote role working EST / CST hours. The ideal Full Stack Developer - Backend / API Development will design and build scalable backend services while contributing to frontend development efforts. Responsibilities for Full Stack Developer - Backend / API Development: Build and maintain robust, scalable RESTful APIs using Python to power core platform features Collab
Posted 20 days ago | Updated 14 days ago

Microservices API engineer-

HCL America Inc.

•

Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 21 days ago

API Technical Writer

GlobalLogic Inc.

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Remote

Full-time

Job Description: Fluent in authoring API reference documents and developer guides that help empower others to create innovative new business applicationsCapable of crafting content that is as technically sound as it is clear and conciseAttuned to the differences between all methods in the REST architectural styleWilling to experiment with new ways to organize and deliver content onlineAutonomous and comfortable juggling multiple, overlapping, and, at times, competing prioritiesComfortable forgin
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Posted 19 days ago | Updated 19 days ago

API Developer EDI *100% Remote*

Effective Data Inc

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Remote

Contract, Third Party

Effective Data, EDI cloud and consulting firm, has an immediate need for an API developer with an understanding of EDI for as needed project work beginning ASAP. If you are available and interested, please send your rate and resume ASAP! Initial Scope: 2 Trading Partners 6 Data Flows PO InboundPO OutboundInventoryPO AcknowledgementShip Notice inboundShip Notice OutboundUsing API's to connect NetSuite with 2 external trading partners / connection points Candidate Profile: The ideal candidate wil
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Posted 22 days ago

API Developer- Remote

Amtex System Inc.

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US

Contract, Third Party

Amtex Systems Inc is an information technology and talent solutions company offering talent and BI consulting to the companies in US for over 25 years. Our solutions are designed to fill resource gaps, by providing the right candidates who deliver value to the organization. Our propensity to nurture and build strong relationships with our clients helps us better understand their business demands and gives us the ability to provide services that are on time and rise above the rest. Hi We have
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Posted 35 days ago | Updated 7 hours ago

Senior API Test Automation Engineer for API and Data Pipeline Testing

Resource Informatics Group

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Remote

Contract

Title: Senior API Test Automation Engineer for API & Data Pipeline Testing Location: NYC - Candidate should follow EST Time - Remote Duration: 6+ months Rate: $Market All Inclusive 1. Purpose The purpose of this Statement of Work (SOW) is to define the responsibilities and deliverables of a Senior API Test Automation Engineer engaged to design, develop, and maintain automated testing solutions for REST APIs, Kafka data ingestion pipelines, and backend validations for FDR Squad. 2. Scope of Work
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Posted 5 days ago | Updated 2 hours ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Austin, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 27 days ago | Updated 3 hours ago

C#.NET API Developer

TriCom Technical Services

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Remote

Contract

C#.NET API Developer Summary This C#.NET API Developer will focus on developing financial applications, creating workflows, and API integration. Responsibilities Support the company's financial systems.Develop Web-based solutions for internal customers business needs using C#/MVC.NET and MS SQL.Develop methods and processes to interact with various Cloud-based APIs using SOAP and RESTful APIs.Develop and maintain data synchronization between various systems within and between the company and o
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Posted 7 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Houston, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 27 days ago | Updated 3 hours ago

QA Engineer AI Product Testing ( API & Security Scenarios)

Avila IT

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Remote

Full-time

We are seeking a meticulous QA Engineer with hands-on experience in testing AI-driven platforms to join our dynamic team. This role focuses on validating generative AI models (like Gemini, PaLM), API integrations, data security, and user experience across web-based AI studio environments. You ll play a critical role in ensuring functional reliability, ethical compliance, and top-tier performance across AI workflows including prompt/response behaviors, API validation, and UI responsiveness.Key Re
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Posted 27 days ago | Updated 25 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Dallas, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 27 days ago | Updated 3 hours ago

Sr. Backend Developer (Java Microservices/API)

Photon

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Remote

Full-time

Go through JD below and let me know. We have an exciting opportunity for a Sr. Backend Developer (Java Microservices/API) position with one of our clients. The role offers flexibility with remote work, but the candidate should be open to traveling to Cleveland once every 2-3 months or as required by the client. Position: Sr. Backend Developer (Java Microservices/API) Location: Remote / Onsite in Cleveland (occasional travel required) Type: [Contract / Full-time choose whichever applies] Job Su
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Posted 40 days ago | Updated 26 days ago

Distributed Systems Engineer (L5) - Service Mesh & API Gateway

Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. About the Team The Application Networking Group owns the communication backbone for Netflix's Cloud, including the Edge Gateway and services responsible for handling a
Posted 17 days ago | Updated 7 hours ago

API Developer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

API Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable, secure, and high-performance solutions that integrate seamlessly with various platforms and services.
Posted 60+ days ago | Updated 7 hours ago

Sr MTS - Architect, Public APIs

eBay Inc.

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Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 38 days ago | Updated 7 hours ago

Senior Data Engineer - (Google Cloud Platform, API, Kafka)

CVS Health

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Remote or Wellesley, Massachusetts, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 19 days ago | Updated 7 hours ago

Senior Software Engineer, Fullstack (Developer - CDP API)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 53 days ago | Updated 7 hours ago

Senior JAVA Backend API Engineer

Guardian Life Insurance Company

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Remote or Holmdel, New Jersey, USA

Full-time

Overview: Guardian's Group Benefits API Technology Team is looking for versatile Software Engineers skilled in Java based technologies, who are driven, who want to make a difference and code with purpose. The Backend API/Integrations Engineer is responsible for providing seamless data integration between Enterprise Applications using Real time Restful APIs, messaging, and event streams. You Will: Develop well crafted, well-engineered, robust, scalable software integration solutions that are Pro
Posted 60+ days ago | Updated 7 hours ago