Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Full Stack Developer

Eliassen Group

Senior Full Stack Developer

Anywhere

Type: Contract-to-Hire

Category: Development

Industry: Insurance

Workplace Type: Remote

Reference ID: JN -052026-106759

Date Posted: 05/04/2026

Shortcut:

  • Description

  • Recommended Jobs

Description:

Remote

Our client seeks a Senior Full Stack Developer to lead design and delivery of enterprise web applications across C#/.NET, Azure, SQL, and modern front end with Blazor. The role drives full lifecycle engineering, security, and performance for financial systems and integrations with ERP platforms. You will serve as a technical authority, mentor engineers, and ensure compliant, reliable solutions that support global operations.

This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $80.00 to $85.00/hr. w2

JN -052026-106759

#LI-JS1

Responsibilities:

  • Design, architect, and deliver scalable full stack solutions using C# (.NET 6/7/8+), ASP.NET Core, REST/gRPC APIs, and Blazor.

  • Own end-to-end feature delivery including requirements analysis, technical design, implementation, testing, peer review, and production release.

  • Build and maintain back-end services, API layers, business logic, data access, and event-driven components using Azure Service Bus and Event Grid.

  • Develop responsive, accessible front-end interfaces aligned with UX standards and business needs.

  • Apply SOLID principles, design patterns, clean architecture, and test-driven development.

  • Architect and operate cloud-native solutions on Azure including App Services, Functions, AKS/Container Apps, Logic Apps, and API Management.

  • Implement Azure-native data and integration patterns with Azure SQL, Cosmos DB, Azure Data Factory, and Azure Service Bus.

  • Automate infrastructure with Bicep, Terraform, or ARM and implement observability with Azure Monitor, Application Insights, and Log Analytics.

  • Build CI/CD pipelines in Azure DevOps to enable automated testing, deployment, and release management.

  • Design and optimize T-SQL, stored procedures, views, and functions for SQL Server and Azure SQL Database.

  • Perform query plan analysis, indexing, and execution optimization to meet performance SLAs.

  • Collaborate on data integration patterns, reporting pipelines, and data platform architecture.

  • Integrate security best practices including OAuth 2.0/OpenID Connect, RBAC, secret management with Azure Key Vault, and data encryption.

  • Ensure adherence to regulatory and compliance requirements relevant to financial services and insurance operations.

  • Conduct architecture reviews, threat modeling, and security design assessments.

  • Serve as a technical authority, mentor developers, and lead design workshops and governance sessions.

  • Translate business requirements into scalable technical designs and contribute to technical documentation and ADRs.

  • Design and implement integrations with ERP platforms such as SAP, Oracle, or Microsoft Dynamics 365 Finance & Operations.

  • Build secure, reliable data exchange layers including real-time APIs, batch interfaces, and event-driven pipelines for financial processes.

  • Ensure data integrity and reconciliation across systems with validation, error handling, retry logic, and audit trails.

  • Support ERP upgrades, module rollouts, and platform migrations with end-to-end regression and integration testing.

  • Engineer solutions in SOX-compliant environments with change controls, SoD, access governance, and comprehensive audit logging.

  • Maintain control documentation including data flow diagrams, control matrices, and system boundary descriptions.

  • Lead root-cause analysis and post-incident reviews and maintain monitoring, alerting, and on-call readiness.

  • Manage technical debt, prioritize refactoring and modernization, and support deployments with rollback strategies.

Experience Requirements:

  • 10+ years of professional software engineering experience in full stack development within enterprise environments.

  • 10+ years of hands-on C# and .NET development including ASP.NET Core, MVC, Web API, and middleware.

  • 10+ years of SQL experience with T-SQL, SQL Server, and Azure SQL including complex queries, stored procedures, indexing, and performance tuning.

  • 10+ years of Microsoft Azure experience designing and implementing cloud-native applications using PaaS and serverless services.

  • Proven experience architecting and delivering enterprise web applications from inception to production at scale.

  • Experience integrating enterprise applications with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365 Finance & Operations via APIs, flat files, or middleware.

  • Knowledge of SOX compliance requirements for IT systems including ITGC controls, audit logging, SoD enforcement, and SDLC change management documentation.

  • Experience delivering data pipelines with Azure Data Factory, Azure Synapse Analytics, and/or Microsoft Fabric.

  • Familiarity with data lake architecture patterns, Azure Data Lake Storage Gen2, and OneLake.

  • Experience with data governance tooling such as Microsoft Purview.

  • Strong analytical and problem-solving skills, clear communication, and demonstrated technical leadership and mentoring.

  • Ownership mindset with focus on quality, security, and operational excellence.

  • Microsoft Fabric experience (preferred).

  • Knowledge of IFRS or GAAP and related data model design and reconciliation logic (preferred).

  • Experience in reinsurance, insurance, or financial services data domains (preferred).

  • Experience designing SOX-compliant SDLC processes within Agile frameworks (preferred).

  • Microsoft certifications such as AZ-204 or AZ-305 (preferred).

  • Familiarity with Domain-Driven Design, CQRS, and event sourcing (preferred).

  • Experience with Cosmos DB, Azure Synapse Analytics, or Azure Data Factory for data integration (preferred).

  • Familiarity with GraphQL, gRPC, or SignalR for advanced APIs and real-time communication (preferred).

  • Contributions to open-source projects or reusable shared libraries (preferred).

  • Experience in Agile/Scrum with SAFe or equivalent scaled agile frameworks (preferred).

Education Requirements:

  • Microsoft Azure certifications such as AZ-204 (Azure Developer Associate) or AZ-305 (Solutions Architect Expert) (preferred).

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on click.appcast.io , View phone number on click.appcast.io) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact View email address on click.appcast.io .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients' capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

Don't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Full Stack Developer in Denver, CO vacancy
  • $70 - $80 per hour

     ...$70 - 80 per hour work hours: 9am to 5pm education: No Degree Required responsibilities: - 5+ years proven experience as a full stack developer who prefers frontend development and is proficient with Angular and/or React. We are looking for a developer with exceptional... 
    Senior
    Hourly pay
    Permanent employment
    Contract work

    Randstad

    Greenwood Village, CO
    15 hours ago
  •  ...Senior Full-Stack Developer (Vue.js V3 & ASP.NET Core) Remote Full Time Overview Seeking a Senior Full-Stack Developer with strong expertise in Vue.js V3 and ASP.NET Core to modernize legacy web portal applications. The role focuses on migrating ASP.NET Web Forms to modern... 
    Senior
    Full time
    Remote work

    Sri Tech Solutions

    Denver, CO
    2 days ago
  • $70 - $80 per hour

     ...per hour work hours: 9am to 5pm education: No Degree Required responsibilities: - 5+ years proven experience as a full stack developer who prefers frontend development and is proficient with Angular and/or React. We are looking for a developer with... 
    Senior
    Hourly pay
    Permanent employment
    Contract work
    Temporary work
    Work experience placement

    Randstad

    Greenwood Village, CO
    3 days ago
  • $125k - $130k

     ...Denver) Salary range : ($125,000 - $130,000 per year depending on experience and qualifications. Job Summary: The Senior Full Stack Developer is responsible for designing, developing, and maintaining both backend services and frontend user interfaces for a multi-... 
    Senior
    Remote work
    Flexible hours

    Forta Solutions, LLC

    Denver, CO
    2 days ago
  • $145k - $160k

     ...Overview GovCIO is currently seeking a Senior Full Stack Developer dedicated to delivering impactful features on VA.gov. This pivotal role will coordinate and perform the identification, recommendation and development of capabilities supporting efforts across different... 
    Senior
    Full time
    Remote work
    Flexible hours

    GovCIO

    Denver, CO
    3 days ago
  • $63 - $68 per hour

     ...Location: Remote Fully Adjudicated Secret Clearance required DISS CE/CV Enrollment required Senior Full Stack Java Developer Position Overview We are seeking a Senior Full Stack Java Developer to support the design, development, modernization, and deployment... 
    Senior
    Full time
    Temporary work
    Remote work

    ABBTECH Professional Resources

    Denver, CO
    4 days ago
  • $110.4k - $190k

     ...Senior Full Stack Software Developer Denver, Colorado, United States; New York, New York, United States; Remote About Judi Health Judi Health is an enterprise health technology company providing a comprehensive suite of solutions for employers and health plans... 
    Senior
    Local area
    Remote work
    Flexible hours

    Judi Health

    Denver, CO
    1 day ago
  • $120k - $145k

     ...here. We believe our team, as well as the outdoors, is for everyone.Software developers at Campspot work on small agile teams to build our products. Campspot developers are truly full stack, working on both front and back end code, as well as managing the whole lifecycle... 
    Senior
    Casual work
    Remote work
    Flexible hours

    Campspot

    Denver, CO
    1 day ago
  • $108.4k - $227.5k

     ...Job Title: Mid-Senior Full Stack Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated... 
    Senior
    Full time
    Contract work
    Work experience placement
    Remote work
    Flexible hours

    CACI International

    Aurora, CO
    22 days ago
  • Senior Software Engineer/Full Stack Developer PTMA Financial Solutions, provides treasury management, liquidity management, and other financial products and services to the public sector. In addition to more than 12,000 local governments, school districts and other public... 
    Senior
    Work experience placement
    Work at office
    Local area
    Remote work
    2 days per week
    3 days per week

    Helping Communities Thrive

    Denver, CO
    1 day ago
  • $106.9k - $184.3k

     ...ideas, encourages diverse perspectives, develops our people, and fosters a collaborative...  ...highly skilled, experienced, and strategic Senior Software Engineer to be a leader within...  ...relevant IT experience Experience as a full-stack developer, with a focus on the Microsoft... 
    Senior
    Full time
    Local area

    Marathon Petroleum Corporation

    Denver, CO
    23 hours ago
  • $102.5k - $187.9k

     ...Tech Consulting - Full-Stack C# Developer - Senior - Multiple Locations Location: Los Angeles Other locations: Anywhere in Country Salary: Competitive Date: May 4, 2026 Job Description Requisition ID: 1706661 Location: Los Angeles, New York City, Hoboken, San... 
    Senior
    Summer holiday
    Local area
    Flexible hours

    EY

    Denver, CO
    3 days ago
  • $145k - $160k

    A government IT solutions provider is seeking a Senior Full Stack Developer to contribute to impactful features on VA.gov. This fully remote role requires expertise in Ruby on Rails, React, and OpenAI API integrations. The candidate will lead backend development processes... 
    Senior
    Remote work

    GovCIO

    Denver, CO
    1 day ago
  • A fintech company is seeking a skilled Mobile Engineering Lead to oversee significant mobile initiatives and enhance consumer experiences. You will collaborate with product management and design, guiding engineering efforts amidst ambiguity and challenges. The ideal candidate...
    Senior
    Remote work
    Flexible hours

    Affirm

    Denver, CO
    1 day ago
  •  ...'t quite master! About Us We engage top-performing Software Developers and Data Analysts from Latin America to join our clients' teams...  ...from start to finish. About the Role We are looking for a Senior Full Stack Engineer to join a high-velocity product and engineering... 
    Senior
    Remote work
    Work from home
    Worldwide

    GrabJobs

    Denver, CO
    1 day ago
  • $100.18 - $120.2 per hour

    Everwatch is seeking a Senior Software Engineer in Aurora, CO to provide advanced solutions for government challenges. This full stack role requires over 20 years of experience and a TS/...  ...engage with cutting-edge technology to develop, maintain, and enhance complex... 
    Senior
    Hourly pay

    Everwatch

    Aurora, CO
    4 days ago
  •  ...TITLE: Senior Full-Stack Engineer LOCATION: Denver, CO or NYC (On-site) USC and GC Financial Services / Trading...  ...We are seeking a talented and dedicated Senior Software Developer with a focus on low-latency, real-time back-end application... 
    Senior
    Work experience placement

    3B Staffing LLC

    Denver, CO
    3 days ago
  • A leading AI-powered customer engagement platform is looking for a Senior Fullstack Software Engineer to build user-centric experiences in their platform. This role involves full-stack development, collaborating with design and product teams to deliver high-quality features... 
    Senior
    Flexible hours

    Iterable

    Denver, CO
    1 day ago
  •  ...scaling fast-and we need exceptional engineering leadership to help us build the future. We're looking for a Senior Software Engineer who thrives in true full stack development, but is mostly comfortable with React & RoR, and who brings a strong balance of technical depth... 
    Senior
    Local area
    Remote work

    Jobot

    Denver, CO
    3 days ago
  • $150k - $185k

     ...LL: Work in a cross-functional team of engineers, product managers, designers, and data to implement full stack user facing features at the core of Rocket Money Develop with TypeScript across the stack, building user interfaces using React[-Native] and the backend support... 
    Senior
    Temporary work
    Work at office
    Local area

    GrabJobs

    Denver, CO
    1 day ago
  • $115k - $150k

     ...positive impacts here on Earth. Currently, we are seeking aSenior Full Stack Engineerto contribute to our mission in a dynamic startup environment. The main responsibilities of this role include developing cloud-native command and control software for rover missions,... 
    Senior
    Permanent employment

    Lunar Outpost

    Arvada, CO
    1 day ago
  •  ...Full Stack Engineer As a Full Stack Engineer in the healthcare space, you'll architect seamless, mission-critical applications that...  ...delivery and enhances lives. Our leadership model is about developing great leaders at all levels and creating opportunities for our... 
    Senior
    Work at office
    Shift work
    2 days per week

    Blue Shield Of California

    Littleton, CO
    4 days ago
  • A leading technology company based in Westminster, CO is seeking an Architect/Senior Full Stack Software Engineer to lead the AI-Native revolution in construction tech. You'll design efficient systems and drive full-stack development using advanced AI tools. Candidates... 
    Senior

    Trimble Inc.

    Westminster, CO
    4 days ago
  • CACI International Inc. is looking for a Full Stack Software Engineer in Aurora, CO. The ideal candidate will possess a Bachelor's degree in computer science and over 5 years of experience in object-oriented programming, specifically Python, along with JavaScript or TypeScript... 
    Senior

    CACI International Inc.

    Aurora, CO
    1 day ago
  • A leading advertising technology company in Denver seeks a Senior Software Engineer 1 (Full Stack) to join their Demand Side Platform team. This role involves building scalable web applications, working with cutting-edge technologies, and providing mentorship to junior... 
    Senior
    Full time

    LG Ad Solutions

    Denver, CO
    3 days ago
  • $167.25k - $216k

    Virta Health is seeking a skilled Backend/Full-Stack Engineer in Denver to enhance care delivery systems focusing on scalability and innovation. The successful candidate will be experienced in modern programming languages like Python and Golang, and have a strong understanding... 
    Senior
    Remote job

    Virta Health

    Denver, CO
    15 hours ago
  • $95k - $130k

     ...and inspire new audiences. As a full-service creative partner, we...  ...driven campaigns backed by full-stack technology and performance...  ...stuff! Position Overview As a Senior Full Stack Engineer, you’ll play...  ...a pivotal role in designing, developing, and optimizing Pearpop’s platform... 
    Senior
    Remote work
    Flexible hours

    GrabJobs

    Denver, CO
    2 days ago
  • A leading technology service provider in Colorado is seeking a Mid-Senior Full Stack Developer to design and build web applications and APIs. Responsibilities include designing front-end applications with React and building scalable APIs using Node.js and Python. The ideal... 
    Senior
    Flexible hours

    CACI International Inc

    Aurora, CO
    3 days ago
  • $80 - $85 per hour

    Eliassen Group is seeking a Senior Full Stack Developer based in Denver, Colorado to design and deliver enterprise web applications. This contract-to-hire role requires expertise in C#, .NET, Azure, and SQL, with responsibilities including architecture, security, and mentoring... 
    Senior
    Remote job
    Hourly pay
    Full time
    Contract work

    Eliassen Group

    Denver, CO
    3 days ago
  •  ...and the adoption of cutting-edge technologies. We care about our developers by fostering an environment that they can thrive and providing...  ...to work remotely and have no current pans to return to a full-time office environment. What you’ll be doing is working on... 
    Senior
    Full time
    Work at office
    Remote work
    Work from home
    Home office
    Visa sponsorship
    Flexible hours

    GrabJobs

    Denver, CO
    15 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Full Stack Developer. Be the first to apply!