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 1 day ago
Similar jobs that could be interesting for youBased on the Senior Full Stack Developer in Springfield, IL vacancy
  • $209k - $238.5k

     ...Capital One is seeking a Senior Lead Software Engineer to join their dynamic team in Springfield, IL. This remote-eligible position requires a minimum of 6 years of software engineering experience, with at least one year in cloud computing. The role involves driving innovative... 
    Senior
    Remote work

    Capital One

    Springfield, IL
    8 days ago
  • $140k

     ...A Day in the Life: We are seeking a talented Sr Full Stack Developer to join our Strategic Data & Analytics team working on Hertz's strategic applications and initiatives. This role will work in multi-disciplinary teams rapidly building high-value products that directly... 
    Senior
    Work at office
    Remote work
    Worldwide

    The Hertz Corporation

    Springfield, IL
    1 day ago
  • $130k - $180k

     ...Industrious Ventures is hiring a Senior Full Stack Developer to lead the development of scalable data infrastructure for satellite operations. The role requires at least 5 years of experience in software development with a focus on cloud‑native applications, and technical... 
    Senior
    Remote work

    Industrious Ventures

    Springfield, IL
    1 day ago
  • $110k - $120k

     ...GovCIO is hiring a Senior Full Stack Developer to design and maintain application features for VA.gov. This fully remote role requires 5–8 years of experience, advanced skills in React, TypeScript, and Ruby on Rails, plus familiarity with AWS and DevSecOps. Employees enjoy... 
    Senior
    Remote work
    Flexible hours

    GovCIO

    Springfield, IL
    1 day ago
  • A leading technology solutions provider is seeking a Senior Full Stack Developer to oversee the software development lifecycle. This role involves application development, API microservices design, and collaboration within a SAFe Agile framework. Candidates should have... 
    Senior

    Karsun Solutions

    Springfield, IL
    3 days ago
  • $145k

     ...Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition... 
    Senior
    Contract work
    Remote work

    MAXIMUS

    Springfield, IL
    1 day ago
  • $143k - $243k

     ...A leading pharmacy benefit manager seeks a Senior Principal Actuary to provide strategic actuarial direction and innovative modeling concepts. This remote position involves collaboration with senior management, leading data analyses, and mentoring staff. Candidates should... 
    Senior
    Remote work

    Prime Therapeutics

    Springfield, IL
    4 days ago
  • A leading data streaming technology company is seeking a Senior Software Engineer II to lead the design of cloud-native backend services. This role focuses on implementing large-scale services and mentoring engineers. Candidates should have 5+ years of experience with... 
    Senior
    Remote work

    Confluent

    Springfield, IL
    2 days ago
  •  ...firm in Springfield, Illinois is seeking a qualified candidate for a backend development role. This position involves designing and developing new features while collaborating closely with analysts. The ideal candidate should possess a Bachelor’s degree in computer... 
    Senior
    Remote work

    SitusAMC

    Springfield, IL
    2 days ago
  • $96.8k - $251.6k

     ...build, and operate software that powers the full data center lifecycle, including...  ...that improve scalability, resiliency, and developer and operator productivity. You will:...  ...practical experience. 10+ years of full stack software development, including design,... 
    Senior
    Temporary work
    Flexible hours

    Oracle

    Springfield, IL
    2 days ago
  •  ...with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test, and launch new features and improvements for our...  ...engineering experience Have built mobile apps (and/or web apps) full-stack before Enthusiastic about photo sharing and/or AI and/or social... 
    Full time

    Cheez

    Springfield, IL
    2 days ago
  • $140k - $170k

     ...SitusAMC is seeking a full-stack developer to provide technical leadership to the software development team in Springfield, Illinois. The ideal candidate will have at least 8 years of industry experience, with strong skills in SQL, .NET Framework, JavaScript, and C#.... 

    SitusAMC

    Springfield, IL
    7 days ago
  •  ...Full Stack Engineer Anywhere Type: Contract Category: Development Industry: Technology Workplace Type: Remote Reference...  ...managers, designers, and external development teams to develop and execute new features. Debug issues, improve code quality... 
    Hourly pay
    Contract work
    Work experience placement
    Local area
    Remote work
    Weekend work

    Eliassen Group

    Springfield, IL
    5 hours ago
  • $143k - $243k

     ...unique ability to connect care for those we serve. Looking for a purpose-driven career? Come build the future of pharmacy with us. Senior Principal Actuary - REMOTE Job Description The Senior Principal Actuary is responsible for providing actuarial direction and thought... 
    Senior
    Work experience placement
    Local area
    Remote work
    Visa sponsorship
    Work visa

    Prime Therapeutics

    Springfield, IL
    2 days ago
  • A dynamic technology company in Illinois is looking for experienced engineers to join their remote team. In this role, you will own your projects, collaborate closely with clients, and contribute to the development of accessible government services. Ideal candidates have...
    Remote work
    Flexible hours

    Last Call Media

    Springfield, IL
    3 days ago
  • $120k - $145k

     ...At Last Call, we're helping build a world where access to information is equitable and easy. Our engineers work across the stack to make public services more clear, accessible, and human. Join us in that effort! You'll own what you build, collaborate directly with teammates... 
    Remote work
    Home office
    Flexible hours

    Last Call Media

    Springfield, IL
    3 days ago
  • $124k - $211k

     ...Lead Actuary to drive complex pharmacy pricing and rebate guarantee analyses for its clients. This pivotal role collaborates with senior leaders to provide tailored pricing recommendations and navigate market uncertainties. The position requires 8 years of actuarial experience... 
    Senior

    Prime Therapeutics

    Springfield, IL
    9 days ago
  • $60 per hour

     ...Join the DataAnnotation team and contribute to developing cutting‑edge AI systems, while enjoying the flexibility of remote work and setting...  ...over 100,000 professionals — including front‑end, back‑end, full‑stack, machine learning, and other engineers — who are driving real‑... 
    Senior
    Hourly pay
    Full time
    Remote work
    Flexible hours

    DataAnnotation

    Springfield, IL
    5 days ago
  • $130k - $160k

     ...A leading healthcare technology firm is seeking a Senior Product Manager to design and implement agentic AI within their EHR platform. The role involves transforming manual workflows into AI systems while ensuring compliance with healthcare standards. The ideal candidate... 
    Senior
    Remote work

    Streamline Healthcare Solutions

    Springfield, IL
    3 days ago
  • A leading HVAC company is seeking a Senior Director of Continuous Improvement to develop strategies and lead Lean initiatives across engineering and operational workflows. The ideal candidate will oversee a cross-functional team, champion a culture of continuous learning... 
    Senior

    Nortek Data Center Cooling, LLC

    Springfield, IL
    3 days ago
  • $81k - $138k

    Prime Therapeutics is seeking a Senior Analyst - Pharmacy Pricing to support the development of pharmacy pricing analyses. The role requires strong quantitative skills and experience with large datasets within healthcare or a PBM environment. Responsibilities include performing... 
    Senior
    Remote work

    Prime Therapeutics

    Springfield, IL
    5 hours ago
  • $120k - $140k

    SitusAMC is seeking a Product Manager in Springfield, IL. This role is central to aligning product and strategy, requiring at least 6 years of relevant experience. Responsibilities include validating product fit, preparing release notes, and mentoring team members. The ...
    Senior

    SitusAMC

    Springfield, IL
    2 days ago
  • Jones Lang LaSalle Incorporated is looking for a Project Management Lead to oversee ServiceNow initiatives across global teams. You will be responsible for the end-to-end delivery of ITAM/HAM/SAM and CMDB programs. The ideal candidate has over 7 years of technical program...
    Senior
    Remote work

    Jones Lang LaSalle Incorporated

    Springfield, IL
    1 day ago
  • GovCIO is seeking a Sr. Business Analyst to join a fully remote team focused on impactful features. This role involves coordinating with business and technology teams to identify system requirements and providing technical expertise. The ideal candidate will have experience...
    Senior
    Remote work

    GovCIO

    Springfield, IL
    2 days ago
  • $60 per hour

    A technology company specializing in AI is looking for experienced cybersecurity professionals to evaluate AI-generated security content and design technical security problems. This remote position offers flexibility in scheduling and competitive pay up to $60/hour. Candidates...
    Senior
    Remote work

    DataAnnotation

    Springfield, IL
    3 days ago
  •  ...A leading consultancy is actively seeking a Sr. IT Project Manager to oversee a large program focused on the full SDLC. This remote position prefers candidates from the greater Chicagoland area. Key responsibilities include managing multi-million dollar projects and leading... 
    Senior
    Remote work

    Beacon Hill

    Springfield, IL
    3 days ago
  • $150k - $185k

    A global leader in technology solutions seeks a Pricing Senior Manager to oversee the corporate pricing organization. This remote role requires experience in cost proposal preparation, effective communication skills, and leadership. Candidates should have a strong understanding... 
    Senior
    Remote work

    Amentum

    Springfield, IL
    2 days ago
  •  ...A global healthcare leader is seeking a Senior Applied AI Engineer to support AI initiatives and design platforms. The role requires extensive experience in NLP and generative AI, alongside excellent problem-solving and communication skills. You will collaborate across... 
    Senior
    Remote work

    Abbott

    Springfield, IL
    3 days ago
  • A leading tech company is seeking a Senior Product Manager to join the Cloud Networking team. This role focuses on managing cloud connectivity solutions to deliver a seamless experience for users. You'll be responsible for driving major product initiatives from conception... 
    Senior
    Remote work

    Confluent

    Springfield, IL
    5 hours ago
  • $70 - $150 per hour

     ...Overview Mercor’s talent network: Join our Full-Stack Engineer Expert Network to connect with leading AI labs and companies seeking Full-Stack Engineering expertise. This is an open application for future contract opportunities that match your background and interests... 
    Hourly pay
    Contract work
    Remote work

    Mercor Inc

    Springfield, IL
    4 days ago

Do you want to receive more vacancies?

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