c# Jobs in boulder, co

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Hedge Fund Software C# FIX/Order Management Software Engineer

Case Interactive

Remote

Full-time

Senior Software Developer COMPANY Fund Solutions COMPANY is a Fin Tech company headquartered in New York, with offices also in Belfast, Shanghai, and Sydney. COMPANY develops financial software and provides product integration and implementation services for asset managers. COMPANYs products are used by portfolio managers, traders, research analysts, risk managers, accountants and operations. We look for people with a passion for finance and an understanding of how to use technology to solve bu

Sr. Blockchain Engineer

ConsultNet, LLC

Remote or South Jordan, Utah, USA

Full-time

Senior BlockChain Developer Remote - USA Long term contract Pay: DOE We are seeking an experienced Blockchain Engineer. The ideal candidate will have experience working with Blockchain and Ethereum, including experience in Go, C# and other OOP languages. As a Blockchain Engineer, you will primarily work on blockchain-related projects, Designing and implement Smart Contracts using Solidity.Additionally you may also be tasked to work on back-end micro services using Go, .Net and SQL as needed.

QA Automation Engineer

Bayforce

Denver, Colorado, USA

Contract

**NO 3rd Parties or Sponsorship! Role Title: QA Automation Engineer Duration: 6-month full-time contract Location: On-site Denver, CO (hybrid: Tues Thurs) Role Overview: Seeking an experienced QA Automation Engineer to design, build, and maintain automated test frameworks using SpecFlow, C#, and Gherkin. You ll help ensure the quality of next-gen cloud-native enterprise applications by driving automation strategy, collaborating in an Agile Scrum environment, and adopting BDD best practices. Key

RPA UI Path Technical Lead

The Doyle Group

Denver, Colorado, USA

Contract

RPA UI Path Technical Lead (NO VENDORS) The Doyle Group is a proven partner for Placement and Consulting services, headquartered in Denver, CO. Our core mission is to forge genuine partnerships with our clients who seek strategic talent solutions and to assist highly skilled candidates looking for their next career opportunity. With over 30 years of industry experience, our consultative approach allows us to provide a higher level of guidance and insight, empowering our clients to secure top IT

.NET Symantec Kernel developer

Random Trees

Remote

Contract

The candidate should have experience in Azure services, React.js, C#, cosmos DB, Symantec kernel

Remote :: Full Stack .NET Consultant (Secret Clearance) || Contract Role

IT First Source

Remote

Full-time

Remote :: Full Stack .NET Consultant with Active/Top Secret Clearance || Contract Design, develop, and maintain web applications using .NET Core / .NET Framework6+ years of professional experience in software development with a strong background in .NET / C#.Solid experience with ASP.NET Core, MVC, Web API, and Entity Framework.Strong experience in C#, ASP.NET Core / MVC / Web APIStrong front-end experience with Angular 10+, React, or TypeScript.Proficient in database design and development with

Semantic Web Engineer(Semantic exp must)

Keypixel Software Solutions

Remote

Contract, Third Party

Semantic Web Engineer Remote Responsibilities: - 5+ years of hands-on experience in semantic web or knowledge graph engineering, including leading complex projects.Proven experience with graph databases or triple stores such as Amazon Neptune, Neo4j, Virtuoso, or GraphDB. (Amazon Neptune preferred)Strong proficiency in Python; familiarity with other languages (e.g., Java, C#, JavaScript, Clojure) is a plus.Practical experience with RDF, OWL, SPARQL, and ideally SHACL.Experience with relational d

AI Engineer

iTeckSoft INC.

Remote

Contract

No H1 B or OPT candidates Skill sets required Strong communication and collaboration skills.Proven experience with LLMs, prompt engineering, and RAG architecture.Solid understanding of Azure services, including:Azure OpenAIAzure AI SearchAzure FunctionsAPI ManagementWeb App DeploymentGrowing proficiency in .NET 8, C#, and ASP.NET Core.Familiarity with Python is a plus.Experience with DevOps and CI/CD tools.

Loan IQ QA Automation

Nexo Global Inc.

Remote

Full-time

Loan IQ QA Automation Wilmington, DE or Buffalo, NY Onsite Need : 8-12 Years JD: Automation Selenium C# Design and develop automated test scripts using Selenium with C#. Should have Loan IQ experience. Execute automated tests and analyse results to ensure product quality Collaborate with developers and product owners to identify, prioritise and resolve defects Maintain and enhance existing automation framework to ensure maximum efficiency Participate in code reviews to ensure automation cod

Azure DevOps Consultant || W2 Only

TechTalent Solutions LLC

Remote

Contract

Title : Azure DevOps Consultant Location : 100% remote Type of Hire : Contract on W2/1099 7 - 10 Years of experience Proven experience with Azure cloud services, AKS, and Azure DevOps.Strong proficiency in C# development and service maintenance.Hands-on experience with Geneva/Kusto for monitoring and diagnostics.Experience in Incident ManagementSolid understanding of API development and integration.Expertise in scripting languages (PowerShell, Bash, etc.) and automation frameworks.Familiarity

Senior Project Engineer (CIMPLICITY)

HyreU

Remote

Third Party, Contract

Overview/Essential Responsibilities Assist the project Architect to translate requirements/user stories into technical designs. Develop CIMPLICITY Tracker application based on designs. This will include CIMPLICITY and Tracker configuration along with custom development of VBA scripts, SQL stored procedures and possibly C# applications Primary Skillset (Must haves): 5+ years of experience with CIMPLICITY configuration, CIMPLICITY scripting(VBA), SQL stored procedure development. Strong communicat

APIGEE Developer

Connexions Data Inc

Remote or Heredia Province, Costa Rica

Contract

We're looking for an experienced API Developer with expertise in Apigee API proxy development and EHR integration 3+ years of API development experience, including 1 2 years with Apigee Strong knowledge of RESTFul API, FHIR Proficiency in Java/C# & JavaScript Experienced with OpenAPI/Swagger, OAuth 2.0, and API security best practices Experience with cloud platforms (AWS preferred)

Staff Engineer

Aziro Technologies LLC

Englewood, Colorado, USA

Contract, Third Party

We're looking for a Staff AWS Connect Developer with a strong background in AWS Connect services and architecture. Your role will involve designing, implementing, and maintaining complex AWS Connect solutions to enhance customer experiences. Your expertise in AWS Connect, Lambda development, AWS API Gateway, and API integrations will be instrumental in creating scalable, customizable, and integrated contact center solutions for modern business needs. As a Staff AWS Connect Developer, you will pl

Staff-level AWS Connect Developer

Aziro Technologies LLC

Englewood, Colorado, USA

Full-time, Third Party

Position : Staff Engineer - Software Location : Englewood, CO We're looking for a Staff AWS Connect Developer with a strong background in AWS Connect services and architecture. Your role will involve designing, implementing, and maintaining complex AWS Connect solutions to enhance customer experiences. Your expertise in AWS Connect, Lambda development, AWS API Gateway, and API integrations will be instrumental in creating scalable, customizable, and integrated contact center solutions for modern

Staff AWS Connect Developer

Aziro Technologies LLC

Englewood, Colorado, USA

Contract, Third Party

Position : Staff Engineer - Software Location : Englewood, CO (Onsite) Duration:6+ Months Job Description : We're looking for a Staff AWS Connect Developer with a strong background in AWS Connect services and architecture. Your role will involve designing, implementing, and maintaining complex AWS Connect solutions to enhance customer experiences. Your expertise in AWS Connect, Lambda development, AWS API Gateway, and API integrations will be instrumental in creating scalable, customizable, and

.NET Architect / Tech Lead with Facets

Talent Groups

Remote

Third Party, Contract

Applicants must have hands-on experience with "TriZetto Facets" modules to be considered for this role Lead architecture, design, and development of enterprise applications using .NET (C#, ASP.NET, Web API, MVC, .NET Core).Collaborate with cross-functional teams to integrate Facets modules with custom .NET-based applications and services.Drive system modernization and digital transformation initiatives in healthcare payer systems.Required Skills: 12+ years of experience in software development w

PowerBuilder Developer

Infinite Computing Systems, Inc.

Remote

Third Party, Contract

Job Title: Technical Specialist (PowerBuilder Developer)Location: Remote (Must reside in North Carolina)Duration: 12 Months (08/18/2025 08/14/2026)Interview: Webcam onlyWork Type: Remote, with limited travel to Raleigh, NC if needed Job Summary:A skilled Technical Specialist is needed for a long-term contract to support and enhance a custom-built application used for construction project tracking. This role requires deep expertise in PowerBuilder, Java, and SQL, along with experience in remote d

Senior .NET Full Stack Developer (Security Clearance Required) Remote

IT First Source

Remote

Contract

Job Summary:We are seeking a highly skilled Senior .NET Full Stack Developer with an active security clearance to join our team and work on mission-critical applications. The ideal candidate will bring deep technical expertise in the Microsoft stack (.NET Core, C#, ASP.NET, SQL Server) along with strong front-end skills in Angular or React, and a solid understanding of secure coding practices. Key Responsibilities:Design, develop, and maintain robust, scalable, and secure web applications using

.Net Developer ( Senior Developer) - ONLY W2

Radus Tek Services

Remote

Contract

Senior .NET developer Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise websites & many .NET backend systems - Very strong UI development experience is mustStrong Oracle PL/SQL development experience - Need very good experience with PL/SQL development as the engineer need to deal with hundreds of stored procedures and packages and candidate must be capable of writing high-quality performant PL/SQL codeMost of the engineers with these skills should be working on these technolog

Data Engineer

Rezult Group, Inc

Remote

Full-time

This individual will be responsible for: Designing robust, componentized, and adaptable processes to scale-up our business intelligence platform.Understanding big data and cloud technologies and quickly become productive with, and provide analysis on these toolsHaving strong SQL experience and the ability to work with cloud infrastructure programs, OOD, and data pipelinesIdentifying inefficiencies in code or processes and recommend solutions.Being able to adapt quickly to changing requirements a