api Jobs in Denver, CO

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Senior API Engineer

Horizontal Talent

Greenwood Village, Colorado, USA

Contract

We are seeking a dynamic Senior API Engineer to join our team on a remote basis for a 3-6 month contract with the potential for a right to hire. If you are a self-starter with a passion for cloud-native API development and a strong background in AWS, we want to hear from you! Responsibilities Lead complex initiatives and design scalable solutions Develop cloud-native API applications using Node.js and serverless technologies Implement Infrastructure as Code (IaC) and CI/CD solutions Build micros

Senior API Engineer

Horizontal Talent

Greenwood Village, Colorado, USA

Contract

We are seeking a dynamic Senior API Engineer to join our team on a remote basis for a 3-6 month contract with the potential for a right to hire. If you are a self-starter with a passion for cloud-native API development and a strong background in AWS, we want to hear from you! Responsibilities Lead complex initiatives and design scalable solutions Develop cloud-native API applications using Node.js and serverless technologies Implement Infrastructure as Code (IaC) and CI/CD solutions Build micros

Senior C++ Windows Engineer (Windows API)

GlobalLogic Inc.

Remote

Full-time

Job Description: Good theoretical and practical knowledge of C++ and STLExperience with complex SW multi-threaded environmentsExperience in development for Windows(compilers, linkers, build systems, debuggers), knowledge of WinAPIExperience with Windows Internals or kernel development (software driver level, not embedded)Knowledge of the BLE protocol and stackDebugging techniquesCapable of independently taking a feature through the entire development cycle while cooperating with multiple teams.

Azure / API Solution Architect

Amtex Enterprises

Remote

Contract, Third Party

Azure/API Solution Architect Durtaion: 6+ Months Rate: $55/hr on W2 or $65/hr on C2C or 1099 Location: US Remote (Preferred Hartford CT) Required Skills: API-first centric enterprise Azure cloud (compute), Google Cloud Platform (big data), some AWS (digital experience) Salesforce Service Cloud for user experience (GPS and some MX) Significant experience with systems integration. Experience with the design and development of complex systems; employs a disciplined and rigorous approach Adept at r

IBM API Connect / IBM DataPower Developer

TalTeam

Remote or Reston, Virginia, USA

Contract

PURPOSE: Performs complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Designs, develops/codes, tests, and documents critical and complex application programs for computer systems. Works with appropriate stakeholders to define system scope and objectives and establish baselines. Establishes project standards and processes. Breaks d

Java API Developer

Capital Staffing Solutions

Remote

Contract

Java API Developer 6+ Month Contract REMOTE - EST Hours This position plays a pivotal role in driving the development and implementation of cutting-edge software solutions within our dynamic work environment. Key responsibilities include designing, coding, testing, and deploying high-quality software applications, leading and mentoring a team of engineers, and collaborating with cross-functional teams to ensure alignment with business goals and customer needs. The ideal candidate should possess

Platform Business Analyst (SQL/SSO/API)

AFLAC

Remote

Full-time

Salary Range: $81,000 - $115,000 Job Posting End Date: May 23, 2025 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces fo

Technical Project Manager - E-Commerce/EDI/API/Data - Remote - Contract - W2 only

Stafford Technology

Remote

Contract

Job Title: Technical Project Manager (E-Commerce, API, Data Integration, EDI) Overview: We're looking for a Technical Project Manager to lead projects focused on E-Commerce, API development, data integration, and EDI. This role requires a strong technical foundation and excellent project leadership skills to drive cross-functional initiatives from start to finish. This job is mostly remote with 1-2 trips per year to Columbus, OH for training and team activities. Pay range is $55-70 per hour. Ke

API Developer

Sonata Software North America

Remote

Contract

Hi All, Sonata Software is actively looking for an API Developer in Remote with our Direct End Customer in USA. Please review the detailed JD below and share with me your updated resume. Job Title: API Developer Duration: 6 Months Location: Remote in USA Experience: 6 to 10 Years Skills Required: 6+ years of experience in API development and systems integrationStrong experience with RESTful API design and best practices.Proficiency in one or more programming languages (e.g., Java, Python, Node

Automation Tester API-UI Tester : Cypress , Playwright, MS-Test, Jest, Azure DevOps-ONLY Native USC

Pioneer IT Systems LLC

Remote

Contract

Automation Tester API-UI Tester : Cypress , Playwright, MS-Test, Jest, Azure DevOps- 100% remote Summary Required: Cypress (UI), MS Test, Jest, Playwright Required: Postman or RestAssured (API) Required: CI/CD automation (Azure DevOps, or GitHub Actions). Preferred: Experience working in Google Cloud Platform or other cloud for Dev/Test is preferred. Preferred: xUnit/NUnit (backend) (not required) Job Description 8 years of experience in test automation for web applications & APIs. Comfortable w

Software Engineer - API Development

Xylo Technologies, Inc.

Remote

Contract

Candidates need work only on W2 for this job Title: Software Engineer Duration: Until 12/31/2025 Client: Mayo Clinic Req ID: 36014839 RemoteRequirements: 5+ years experience building distributed software systems with n-tier architectures.Should have an expert level of experience in one of the following and be proficient in all: API development with Python, Node, Java, or .Net.Frontend development with ReactJS, JavaScript, HTML/CSS.Operations integration with reporting and performance tools.Expe

Role :: Cloud Solution Architect II Strong AWS and AWS API Gateway - Urgent Required

HSK Technologies, Inc.

Remote

Contract, Third Party

Role :: Cloud Solution Architect II AWS Location :: Richmond VA( Remote ) Duration :: Long term DBHDS - Cloud Solution Architect -Data Services Focused **Hands-on is a must **willing to convert to full time in future. No guarantees **Duration: Depends on the work needed (best info I have). Current PO goes to 6/30/25 w/extension possible 100% Remote **Must adhere to EST Hours during the week ABOUT THE ROLE The Department of Behavioral Health and Developmental Services (DBHDS) is seeking a highl

Advanced Backend Python API Developer with Azure and Databricks.

Eliassen Group

Anywhere, US

Contract

Description: *100% Remote role* We're recruiting an Advanced Backend Python Developer to create and implement APIs as well as robust data pipelines, API's, and scalable software solutions with best-practice data architectures. We want you to leverage your leading expertise in API Development and Data Engineering, software development, and cloud technologies to design and optimize the data infrastructure for a highly complex, employee-facing data and analytics web application. Team players only

SDET - Automation Tester API-UI Tester

Sira Consulting

US

Full-time, Part-time, Contract, Third Party

SDET - Automation Tester API-UI Tester : Cypress , Playwright, MS-Test, Jest, Azure DevOps Skills : Cypress , Playwright, MS-Test, Jest, Azure DevOps SDET - Automation Tester API-UI Tester : Cypress , Playwright, MS-Test, Jest, Azure DevOps Location Remote Work Status Perfect English - no strong ascent - Duration 12 Months Summary Required: Cypress (UI), MS Test, Jest, Playwright Required: Postman or RestAssured (API) Required: CI/CD automation (Azure DevOps, or GitHub Actions). SDET with Javas

W2 - (6) - S/w Engineer (n-tier architectures, API, Python, Node, Java/.Net, ReactJS, JavaScript, HTML/CSS) - Remote

Tanson Corp

Remote or Minnesota, USA

Contract

Duties: Requirements: 5+ years experience building distributed software systems with n-tier architectures. Should have an expert level of experience in one of the following and be proficient in all: API development with Python, Node, Java, or .Net. Frontend development with ReactJS, JavaScript, HTML/CSS. Operations integration with reporting and performance tools. Experience with cloud-based deployment environments. SEE SCHEDULE NOTES FOR SCOPE OF WORK Position Overview: (Major Functions an

API Quality Analyst

Mitchell Martin, Inc.

Remote or Lee's Summit, Missouri, USA

Full-time, Contract

Title: API Quality AnalystLocation: Remote Employment Type: ContractDescription: * The API Quality Analyst will collaborate with cross-functional teams to ensure software solutions meet quality standards and business requirements. * Responsibilities include reviewing requirements for testability, developing detailed test plans, executing test cases, managing defects, and communicating testing progress. * The role involves estimating testing efforts for projects, leading documentation reviews, an

Lead - API Manufacturing

Novo Nordisk Inc

Boulder, Colorado, USA

Full-time

About the Department Our Research & Development organization brings together the best minds in life science innovation. The teams located in facilities in Boulder, Lexington, Watertown, Cambridge and Seattle reflect the full R&D continuum, from early research through late-stage clinical development. Here, we are building for the future, creating a distinct R&D community based on collaboration, partnerships, and cutting-edge research across multiple modalities and therapeutic areas. We recognize

Senior Software Engineer, Fullstack (Developer - CDP API)

Coinbase

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

API Developer

Cymertek Corporation

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.

API Gateway Engineer - API, Java, Spring Boot

M&T BANK CORPORATION

Remote or Buffalo, New York, USA

Full-time

This role follows a hybrid work schedule; offering the flexibility to work remotely two days a week, while providing the opportunity for onsite and in person collaboration the other three days. Overview: Are you ready to be at the forefront of banking technology? Join M&T Bank as a key member of our development team to enable bank-wide capabilities and securely host APIs. As a pivotal team member, you will help define the direction of our API ecosystem, ensuring both security and alignment with