API Jobs in Colorado

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Test Engineer

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Test Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and meticulous **Test Engineer** to join our team and ensure the quality and reliability of our software products. In this role, you will be responsible for designing, executing, and maintaining test cases to validate the functionality, performance, and security of our applications. You will work closely with developers and product

IT Lead Auditor

M&T BANK CORPORATION

Remote or Buffalo, New York, USA

Full-time

** Work Arrangement: This is a hybrid position requiring in-office work multiple days every week and will ideally be based in Buffalo, NY. Overview: This position is responsible for executing internal audit examinations over the Bank's Information Technology (IT) Engineering, Operations, Governance, Risk Management, and Architecture functions ensuring the timely and professional execution of the examinations in accordance with professional standards. Primary Responsibilities Plan, coordinate an

Sr. Full Stack Engineer, Node.js

iSpace, Inc

Remote

Contract

Sr Full Stack Engineer Client Location: Los Angeles, California Duration: 12 Months Contract (No c2c, 1099 or 3rd party vendors) 100% remote Overview: Responsibilities: The client technology team is looking for a technical skilled, highly motivated, and self-driven Senior Full-stack Software Engineer to join a growing team. You'll be joining other driven technologists trying to solve some of the industry's most difficult issues. The team that you would be part of works closely with our product

Sr., Python Developer (NO C2C/NO SPONSORSHIP)

OpTech

Remote

Contract

OpTech is seeking for strong Python Developers for one of their direct clients. Duration - 6 months 100% remote within US. REQUIRED EXPERIENCE: Related Bachelor s degree or related work experience 5+ years related work experience, professional experience with technical design and coding in the IT industry Must have experience developing back-end processes and API services using Python Excellent understanding of RESTful Architecture style. Excellent understanding of Python programming mode a

Senior DevOps Engineer Kubernetes | AWS | Terraform | CI/CD *** Direct client ***

Projas Technologies, LLC

Remote

Contract, Third Party

Your primary focus will be on building, consolidating and migrating Kubernetes workloads. Collaborating closely with Platform Engineers, Architects, and Developer Experience Advocates, you will play a crucial role in designing, implementing, and maintaining the technical infrastructure that supports our applications and services. This position requires technical expertise, self-motivation. You will lead efforts inKubernetes workload migration,AWS infrastructure consolidation, andplatform automat

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t

Portkey SME

Enexus Global

California, USA

Contract, Third Party

Job Title: Portkey SME Location: Remote Description:- Exp: 8+ W2 / C2C Key Responsibilities: Design and implement API routing, rate limiting, and observability using Portkey. Configure and manage authentication mechanisms such as OAuth2, API keys, mTLS, and JWT. Integrate Portkey 2+ years of experience with Portkey or similar API platforms (e.g., Kong, Apigee, AWS API Gateway)

Android Developer

Ab Ovo Inc

Remote or Sunnyvale, California, USA

Full-time, Third Party

Must have skills: - Android Development - expert - Kotlin - expert- MVVM architecture - expert - GraphQL (aka GQL) - expert for interacting with the backend systems- REST API experience as some of the Android code still interacts with REST APIs but most of it is now using GQL.

.Net Developer (W2 Position)

Primesoft, Inc

Remote or Piscataway, New Jersey, USA

Contract

Role: .Net Developer (W2 Position) Location: Piscataway, NJ Experience:8+ years Job Description: Excellent C#skills with an in-depth knowledge of the.NET Framework, and .NET Core, .Net MVCSolid understanding of RESTful API development and JSON (Web API)Experience with Microsoft Azure, Microsoft SQL Server and SQLExperience in ASP.NetHands-on coding experience with .NET-- Thanks & Regards, RaviKiran ravikiran(dot)m(at)primesoftinc (dot)com

UI developer Remote Location

Sierra Business Solution LLC

Remote

Third Party, Contract

Job Description: >> React 16+ >> Redux or Mobx store management >> Node.js >> Typescript >> ES6 >> CSS3 >> CSS Reprocessors >> Grid layout knowledge >> Rest API implementations >> Jest Test 10+ years of IT experience Requirements: >> Strong knowledge of security best practices for connecting UI applications to APIs >> Experience with implementing scalable applications and ability to understand and explain end-to-end integrations between modulesapplications in a complex system

Google Cloud Platform Test Automation Engineer

Kodeva LLC

Remote

Contract, Third Party

Role: Google Cloud Platform Test Automation Engineer Location :Remote Duration: 6- 12 Months Key Skills: Google Cloud Platform Test Automation, CI/CD, API & UI testing automation Required Qualifications 5+ years of experience in test automation and software quality assurance, with a focus on API testing including the following. Proven experience designing and implementing automation frameworks using industry-standard tools. Strong programming skills (Python, Java, etc. ). Experience with cloud

Sr Python + Golang Developer

Zettalogix INC

Remote

Contract, Third Party

Minimum 8+ Years of experience with API Development.PythonGolangAWSJava

AI Engineer

Biztec Global LLC

Remote

Contract

Role: AI Engineer Location: Remote Contract 3 experienced engineers (likely senior-level) to contribute to AI-focused backend development. The ideal candidates should: Must Have: 7+ years of development experience, especially in PythonFamiliarity with Flask (for building APIs), PostgreSQL, Redis, and Google Cloud (Google Cloud Platform)Experience (or willingness to ramp up) with modern AI/ML tools, including:Vertex AIGemini API (Google s large language model)Agentic workflows (AI agents that ca

Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office

Optimus Labs USA

Denver, Colorado, USA

Contract, Third Party

Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office Requisition Name: C&D E-CMT-Scala Developer Start Date: 6/30/2025 Duration: 26 Weeks Services Location: CO/Denver Hybrid work Description Of Services: Design and develop RESTful and GraphQL APIs using Java and Scala Build event-driven services and microservices that produce and consume messages via Apache Kafka Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play Ensure reliable, fault-t

.Net Architect

VGA Tech Inc.

Remote

Contract, Third Party

Job Description: Healthcare .Net Application Architect with MongoDBExperience in Kafka message streamingExperience in implementing REST APIs using Azure .Net microservices(Kubernetes)Candidate must be in United States100% remote

Quickbase Developer

XFORIA Inc

Remote

Contract, Third Party

Job Title: QuickBase Developer Location: Remote, US Mode: Contract Key Responsibilities: Design, build, and maintain Quickbase applications and dashboards to meet business needs. Work closely with stakeholders to gather requirements and translate them into technical solutions. Create workflows, automations, and integrations using Quickbase Pipelines, APIs, and third-party tools. Optimize existing applications for performance and usability. Ensure data integrity, security, and compliance within

Scala Developer-Remote

mProgen

Remote

Contract

Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, testing, and CI/CD automati

Loan IQ Techno Functional Developer

Ztek Consulting

Remote

Third Party, Contract

Top Must Have's: Loan IQ reporting/ batching Loan IQ API's Loan IQ SDK Loan Data Model Java/ Oracle Min 4-5 yrs hands on exp with Loan IQ Good Loan IQ techno-functional knowledge is required and is must. Sound knowledge and hands experience on Loan IQ APIs Good knowledge and experience on Loan IQ Data Model Good knowledge on Loan IQ batches and reporting, debugging of batch jobs Good Knowledge on Loan IQ SDK Hands on experience on Java and Oracle, working experience on PL/SQL Good debugging ski

Sr. Google CCAI Expert

AgreeYa Solutions

Remote

Contract, Third Party

Title- Sr. Google CCAI Expert Location- NY (Remote) Type- Contract Duration- 12+ Months Job Description- Responsibilities: Develop Generative AI models for document creation, summarization, and classification. Build and deploy chatbots using Gemini or CCAI integrated with County systems. Implement OCR solutions for legal and operational documents. Integrate AI components with automation workflows (UiPath, Power Automate). Ensure scalable, secure, and compliant AI implementations aligned with Cou

Full stack AWS Engineer || Remote

Isoftech Inc

Remote

Contract

Full Stack Engineer Remote We are looking for a motivated, versatile, independent engineer interested in pushing the status quo to deliver a lot with only a little. The ideal candidate has experience building products across the stack and a firm understanding of serverless AWS cloud infrastructure, web frameworks, APIs, databases, and multiple back-end languages. Responsibilities Work across the full stack, building highly scalable distributed solutions that enable positive user experiences Deve