311 api engineer jobs at 180 companies in Winter Park, CO

2w
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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
1w
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API Engineer
Boulder, Colorado, United States
$80k-$110k/yr HybridFull Time
Lynker
Lynker: Provides scientific and technical services for environmental and climate data.
1+ YOEExperience building and maintaining APIs, data schemas/versioning, testing and CI/CD; proficiency with Git, Linux, and modern programming languages; Master's or Bachelor's plus 1-2 years API/pipeline experience.
Python, REST, JSON, OpenAPI, JSON Schema, Git, Linux, Docker, Terraform, CloudFormation, GitHub Actions, GeoJSON, GeoParquet, R, Shiny, Rust, AWS
2mo
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API Integrations Developer
Denver, Colorado, United States
$119k-$133k/yr HybridFull Time
Colorado Access
Colorado Access: Provides managed care and health insurance for Medicaid members.
4+ YOEBachelor's in CS or related required; 4+ years backend experience (Python, Node.js, Java, or .NET); HL7 FHIR and X12 EDI experience; strong REST API, security (OAuth2, JWT, mTLS), SQL, and HIPAA knowledge; experience with cloud and CI/CD.
Python, Flask, FastAPI, Django, Node.js, Java, .NET, OpenAPI/Swagger, Postman, X12 EDI, HL7 FHIR, HL7 v2, CDA, EHRs, Docker, Kubernetes, GitHub Actions, Azure DevOps, Jenkins, ELK, Datadog, Prometheus, Grafana, AWS, Azure, GCP, SQL Server, Snowflake, Data Vault 2.0, pytest, JUnit, Pact, k6, Locust, OAuth2, JWT, mTLS, RBAC/ABAC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft SharePoint
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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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
2mo
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Senior Product Systems Engineer
Golden or San Francisco or Toulouse
$160k-$210k/yr OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Strong systems engineering background across software and hardware; experience defining architecture, interfaces, and requirements; expertise with distributed systems and APIs; strong communication and documentation skills.
CONOPS, ICDs, OBSW, APIs
1mo
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Senior Facilities Engineer
Denver or Williston
$185k-$230k/yr OnsiteFull Time
Koda Resources
Koda Resources: Acquires and develops oil and natural gas properties.
10+ YOEBachelor's in engineering, 10+ years facilities engineering in oil & gas, experience leading capital projects, proficiency with AFT, HYSYS, Piper, Pipesim, AutoCAD, valid driver's license, familiarity with API/ASME/NFPA and PHA/MOC.
AFT, HYSYS, Piper, Pipesim, AutoCAD
1mo
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Sr. Engineer - Oil & Gas
Lisle or St. Louis or Charlotte or Indianapolis or Greenwood Village
HybridFull Time
Farnsworth Group
Farnsworth Group: A national architectural, engineering, and surveying firm providing multidisciplinary project services and client-focused solutions.
5+ YOEBS in engineering (ABET), 5-15 years oil/gas engineering experience, 3+ years project management, knowledge of DOT/API/ANSI/ASME standards, Microsoft Word/Excel/PowerPoint/Project proficiency, valid driver’s license, willing to travel.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
1mo
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Forward Deployed Engineer
New York City or Denver
$204k-$240k/yr OnsiteFull Time
Legora: AI workspace for legal document research and drafting.
Experienced generalist engineer with backend, APIs, auth (SAML/OIDC), and integration experience; customer-facing technical delivery skills and strong communication.
SAML, OIDC, REST, iManage, NetDocuments, Microsoft SharePoint
1mo
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Pipe Stress Engineer (41488)
Tempe or San Francisco or Seattle or Portland or Denver or Holladay or Austin or United States or Canada
$70k-$96k/yr RemoteFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
2+ YOEBachelor's in Mechanical Engineering, ≥2 years engineering experience, knowledge of pipe stress analysis and support design, familiarity with ASME/ANSI/API, strong communication and analytical skills.
AutoPIPE, Caesar II, Navisworks, AutoCAD
2w
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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
1mo
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Sr Automation Engineer – New Glenn
Seattle or Denver or Los Angeles or Florida
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in engineering/computer science or equivalent, 8+ years software/automation/data/engineering experience, experience designing automation tools, familiarity with React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, and AWS.
React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, AWS, Git, SVN, Gitlab CI
2w
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Midstream Project Engineer (14926)
Dallas or Denver or Salt Lake City or Casper or Artesia or Tulsa
OnsiteFull Time
HF Sinclair
HF SinclairNYSE: DINO: Refines and markets petroleum, renewable fuels, and specialty lubricants.
8+ YOEBachelor's degree in engineering and 8+ years in pipelines, terminals, pipeline stations, or petrochemical facilities; engineering software, technical standards, project delivery, communication, and advanced calculation skills required.
Microsoft products, SCADA, API, ASME B31.3, ASME B31.4, 49 CFR 195, AFE, PHA, HAZOP, MOC, PSSR
1w
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Project Engineer II: Digital Thread Architect
Lone Tree or Englewood
$165k-$227k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
10+ YOEBachelor's in systems engineering/computer science/engineering,10+ years engineering experience with 2+ years leadership; PLM/MBSE tool integration, requirements-to-design traceability, API/data architecture, configuration management; active Top Secret/SCI clearance and U.S. citizenship required.
Teamwork Cloud, Teamcenter, Windchill, Cameo Systems Modeler, Rhapsody, Jama, 3DExperience, DOORS, MBSE, SysML
1mo
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Senior Integration Engineer
New York or Denver or United States or Europe
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Provides fund administration services to private capital asset managers
5+ YOE5+ years integration engineering; deep Azure Function Apps, Logic Apps Standard, Azure Service Bus, and API/Service Bus configuration; strong C#; CI/CD, IaC (Bicep), Snowflake desirable; active use of AI-assisted development; bachelor's degree required.
Azure Function Apps, Logic Apps Standard, Azure API Management, APIM, Azure Service Bus, Bicep, C#, Snowflake, LLMs, codegen, Claude, CI/CD, IaC, WDL
3w
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Network Automation Engineer II
Dublin or Fremont or Denver
$73k-$115k/yr OnsiteFull Time
Astreya
Astreya: Provides managed IT services and digital workplace solutions for enterprises.
3+ YOE3+ years in automation/data engineering or DevOps, strong Python, API and SQL experience, ETL and orchestration knowledge, data quality and large-dataset handling, independent problem solving.
Python, PHP, Hack, Bash, GraphQL, REST, Thrift, SQL, Hive/Presto, Airflow, cron
4d
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Data Engineer III
Denver, Colorado, United States
$80k-$100k/yr HybridFull Time
Pearson
PearsonLondon Stock Exchange: PSON: Provide educational materials, assessments, and digital learning services globally.
Expertise designing and building scalable data products on GCP using BigQuery, dbt, Python and SQL; experience with analytics engineering, CI/CD, data modeling, observability and governance.
Google Cloud Platform (GCP), BigQuery, dbt Core, Advanced SQL, Python, REST API, Git, GitHub, CI/CD, Looker, LookML, Microsoft Power BI, Airflow, Cloud Composer, Cloud Run, GCP Gemini
2mo
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3D CAD Automation Engineer
Golden or Shawnee or Vernon Hills or Fort Lauderdale or Trussville
$80k-$100k/yr RemoteFull Time
Parkson
Parkson: Provides equipment and solutions for water and wastewater treatment.
Experience automating Autodesk Inventor using Inventor API/iLogic; proficiency with VBA/VB.NET or C#; strong parametric modeling and drawings; bachelor’s in engineering or related field or equivalent
Autodesk Inventor API, iLogic, VBA, VB.NET, C#
3w
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Lead Systems Engineer (data)
Atlanta or Denver or Chicago or Washington
RemoteFull Time
Bravo17
Bravo17: A federal digital services firm that helps agencies improve digital products and services through strategy, design, and engineering.
7+ YOE7+ years in data engineering or analysis with AI/ML and cloud experience, strong data architecture and leadership skills, ability to communicate with federal stakeholders and obtain Secret clearance.
REST API, microservices, AI, machine learning, cloud computing, data warehouse
1mo
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Gen AI Infrastructure Engineer
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yr HybridFull Time
Bessemer Trust
Bessemer Trust: Wealth management and family office services for affluent clients.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB