485 api jobs at 259 companies in Greeley, CO

6d
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
1mo
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Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s or equivalent experience; 3+ years Core Java; experience with Spring, microservices, APIs, databases (RDBMS/NoSQL), cloud (AWS/Azure), CI/CD, and integration frameworks; strong analytical and communication skills.
Java, Core Java, Spring Framework, Spring Boot, Spring MVC, J2EE, Entity Framework, IIS, Swagger, Swagger API, OData, .NET API 2, .NET API Core, AutoMapper, MS Cosmos DB, Microsoft Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, Microsoft VMs, Microsoft Blob, Microsoft Data Factory, Microsoft SQL Data Warehouse, Microsoft ARM Templates, Microsoft Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, SageMaker, Spark, API Gateways, Apache Camel, Zookeeper, Kafka, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS
2w
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Engineering Manager - Content API (f/m/d)
Dublin or London or Berlin or Denver or San Francisco or New York City
RemoteFull Time
Contentful
Contentful: SaaS platform for headless content management and delivery.
5+ YOE5+ Mgmt5+ years leading development teams; proficiency in TypeScript, JavaScript, React, Node.js; experience with headless CMS (preferably Contentful); strong mentoring, stakeholder collaboration, and scalability experience.
TypeScript, JavaScript, React, Node.js, Contentful, PostgreSQL
3mo
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Partner Solutions Architect
Denver or Appleton
$120k-$140k/yr HybridFull Time
Render Networks
Render Networks: SaaS platform for digitizing telecom and energy infrastructure construction.
5+ YOETechnical bachelor’s degree and 5+ years in software/API integration, cloud, or systems engineering; strong API/middleware experience; programming skills; GIS/geospatial knowledge; architecture and prototyping experience.
Python, JavaScript, Go, DotNet, Java, GIS, APIs
1mo
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Workday Extend Lead - Senior Manager
Chicago or Denver or Boston or Denver or Washington or Pensacola or Boston or New York City or Washington or Pensacola or United States
$165k-$190k/yr RemoteFull Time
Huron
HuronNasdaq: HURN: Professional services firm providing management consulting and digital transformation.
5+ YOE5+ years Workday experience including Workday Extend development; experience across HCM, Finance, Integrations, Reporting; Workday integrations (Studio, EIB, APIs); APIs/JSON and event-driven architectures; strong client-facing and communication skills.
Workday Extend, Workday, Studio, EIB, APIs, JSON
1mo
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Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
1mo
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Performance Solutions Partner II
San Francisco or Santa Cruz or San Diego or Los Angeles or Chicago or New York City or Seattle or Washington or Atlanta or Dallas or Fort Worth or Houston or Denver or Charlotte or Portland or Miami or Fort Lauderdale or San Francisco or New Jersey or Connecticut or United States or Canada
$82k-$169k/yr RemoteFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding inspiration and creative ideas.
3+ YOE3+ years client-facing experience in digital advertising/ad tech/ad ops, experience with tagging/tracking QA, HTML/CSS/JavaScript, API implementation (eg. Conversion API), strong communication, analytical problem solving, and sales-facing experience.
HTML, CSS, JavaScript, API, Conversion API
3mo
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Staff SW Engineer, AI Solutions
Denver, Colorado, United States
$124k-$199k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years software/AI experience; strong ServiceNow, API, and GenAI expertise; bachelor’s degree or equivalent with advanced degrees preferred.
ServiceNow, MCP tooling, APIs, OpenAI, Google Gemini, REST, GraphQL, JavaScript, Python, JSON, AJAX, CSS, HTML
2mo
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Technical Product Manager - Platform
Boulder, Colorado, United States
$180k-$205k/yr OnsiteFull Time
SumUp
SumUp: Provides mobile point-of-sale payment solutions for small businesses
Experience with Salesforce, integrating multiple internal systems, APIs, data pipelines, SQL; cross-functional leadership; agile product delivery.
Salesforce, Billing systems, Data warehouses, APIs, SQL
3mo
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IT Specialist (APPSW) - .NET - DHA
Denver or Urbana or Woodlawn or Durham or Wilkes Barre
$91k-$140k/yr OnsiteFull Time
Social Security Administration
Social Security Administration: Administers federal social insurance and financial assistance programs.
1+ YOEIT specialist with .NET/.NET Core experience, REST APIs, SQL Server, and frontend skills; familiarity with AI tools and security controls preferred.
C#, NET Core, NET Framework, Entity Framework, MVC, JavaScript, AJAX, jQuery, Bootstrap, HTML, CSS, SQL Server, Visual Studio, Azure DevOps, Git, JSON, REST API
6d
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Senior Software Engineer
Chicago or Peoria or Westminster or Irving or Cary
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Hands-on software engineering with modern cloud-native patterns, APIs, AI-enabled capabilities, and ability to prototype and deliver production-ready solutions.
generative AI, LLMs, RAG, prompt engineering, AI-assisted development, automation, cloud-native services, APIs, microservices, vector databases, DevOps, observability tools
1mo
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Senior Backend Engineer - Offroad
Missoula or Bozeman or Austin or Denver or Portland or Salt Lake City or Seattle
$146k-$182k/yr RemoteFull Time
onXmaps
onXmaps: Digital mapping and navigation apps for outdoor recreation.
7+ YOE7+ years in software development; distributed cloud APIs; Go; Vue; Docker/Kubernetes; Terraform; remote collaboration; travel for quarterly visits.
Go, Vue, Docker, Kubernetes, Terraform, API Development
1mo
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Sales Solutions Consultant
Atlanta or Denver or Cincinnati or Salt Lake City
$100k-$148k/yr HybridFull Time
Worldpay
Worldpay: Global payment processing and merchant technology solutions for businesses.
Pre-sales solution design and scoping for merchant payment products; strong presentation, communication, problem-solving, and technical aptitude; knowledge of payments, integrations, and APIs.
APIs, Worldpay merchant platforms
2mo
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AI Agent & Automation Developer
Raleigh or Atlanta or Richmond or Tampa or Tysons Corner or Ft. Lauderdale or Denver or Augusta or Charlotte or Chicago or Coral Gables
$54k-$134k/yr HybridFull Time
Cherry Bekaert
Cherry Bekaert: Provides accounting, tax, and business advisory services to organizations.
2+ YOEBachelor's in CS/AI; 2+ years in agent-based systems; Python; LangChain/OpenAI/PyTorch; AI/ML libraries; API/backend experience; strong communication.
Python, LangChain, OpenAI API, Hugging Face, PyTorch, APIs
1w
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Technical Enablement Manager
Denver, Colorado, United States
$65k-$75k/yr HybridFull Time
EGYM
EGYM: Manufacturer of smart fitness equipment and corporate wellness software.
2+ YOE2+ years experience, technical understanding of software and mobile apps, API familiarity, strong Excel skills, experience with Salesforce and Jira, excellent communication and problem-solving.
API, Confluence, Microsoft Excel, Salesforce, Jira
6d
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Global Product Solutions Senior Associate, Third-Party Creative Technology Ecosystem
New York or Atlanta or Boulder or Chicago or Mountain View or Los Angeles or San Bruno or San Francisco or Sunnyvale
$124k-$179k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
4+ YOEBachelor's degree or equivalent and 4+ years in professional services or product roles in digital/mobile advertising; experience with product management, APIs, strategic programs, and stakeholder management.
Google Ads, YouTube, Generative AI, API
1mo
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Manager, Fulfillment & Inventory Operations
New York or Denver
OnsiteFull Time
Havenly
Havenly: Online interior design and home furnishing retail platform.
Experience in operations/supply chain, analytical skills with spreadsheets/SQL/Python, exposure to APIs and automation, 3PL/fulfillment experience preferred, strong organization and multitasking ability.
NetSuite, Shopify, Make, Zapier, Prefect, Airflow, Looker, dbt, Redshift, BigQuery, SQL, Python, LLMs, API
3mo
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Software Engineer, Labs
San Francisco or New York or Denver or Remote
HybridFull Time
Ambrook
Ambrook: Financial management platform for agricultural and industrial businesses.
Experience shipping AI/LLM-powered features; full-stack work across frontend, API, prompts, and evals; ability to scope from ambiguity and own projects.
Frontend, APIs, LLM, Prompting, Evaluation Framework
1w
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Principal Consultant - Power & Renewables - 26263
Centennial or Denver or Houston or Austin or Dallas or United States
HybridFull Time
Enverus
Enverus: Software and analytics for the global energy industry.
Deep understanding of US power markets, strong client-facing and presentation skills, Python and API familiarity, Salesforce experience, ability to drive adoption and execute account strategies.
Python, API, Salesforce, Panorama, Mosaic, Prism
1w
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R&D Engineer SW Quality 3
Broomfield, Colorado, United States
$91k-$146k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
8+ YOEBachelor's in engineering, 8+ years software testing experience, strong automation (Python), Linux/Windows/VMware skills, networking and SAN knowledge, JIRA and REST API experience.
Python, Linux, Windows, VMware, JIRA, REST API, Claude Code, Gemini AI