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

Senior Full Stack Java Developer

Eliassen Group

Senior Full Stack Java Developer

Anywhere

Type: Contract

Category: Development

Industry: Healthcare

Workplace Type: Remote

Reference ID: JN -072026-108131

Date Posted: 07/29/2026

Shortcut:

  • Description

  • Recommended Jobs

Description:

Remote

Our client is seeking a Senior Full Stack Java Developer to build and support healthcare applications. The role requires hands-on development across backend and frontend with emphasis on healthcare integrations. The developer will deliver end-to-end features, collaborate with clinical and business stakeholders, and operate effectively in a remote environment.

Due to client requirements, applicants must be willing and able to work on a w2 basis. 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: $70.00 to $80.00/hr. w2

Responsibilities:

  • Design, develop, test, and deploy Java and Spring Boot services, REST APIs, and microservices.

  • Build and enhance web and mobile user interfaces using Angular and/or React, with React Native preferred.

  • Implement integration workflows for healthcare data exchange including HL7 and FHIR.

  • Develop and maintain interfaces using tools such as Mirth Connect.

  • Create and optimize SQL queries and schemas for relational databases.

  • Containerize and run applications using Docker and Tomcat where appropriate.

  • Own features from requirements through production support and troubleshooting.

  • Collaborate with clinical teams, QA, and cross-functional stakeholders to clarify needs and validate solutions.

  • Document designs, APIs, and operational procedures following best practices.

  • Participate in issue tracking and sprint activities using Jira or similar tools.

Experience Requirements:

  • 7-10+ years of professional software development experience with a hands-on focus.

  • Expertise in Java, Spring/Spring Boot, REST APIs, microservices, and web application development.

  • Front-end experience with Angular and/or React; React Native preferred.

  • Strong SQL skills and relational database experience.

  • Experience with Tomcat and Docker.

  • Healthcare interoperability experience with HL7 and FHIR, including data exchange.

  • Integration experience with Mirth Connect and healthcare data transformation.

  • Background integrating with insurance, financial, laboratory, and clinical systems; familiarity with Quest and Labcorp interfaces preferred.

  • Nice to have: medical device integrations and knowledge of ASTM protocols and device communication standards.

  • Proven troubleshooting ability and independent problem-solving in production environments.

  • Effective communication with technical and non-technical stakeholders in a remote setting.

  • Understanding of SDLC, unit testing, documentation, and collaboration with QA.

  • Cloud exposure is a plus; DevOps/cloud handled by dedicated teams.

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 4 days ago
Similar jobs that could be interesting for youBased on the Senior Full Stack Java Developer in Madison, WI vacancy
  • $160k - $180k

     ...Engineering Employment Type: Full-time Location: Remote...  ...Summary We’re looking for a Senior Software Engineer who loves...  ..., observability, and developer experience so we can ship...  ...Pacific Time working hours Tech stack: React, Mantine/Tailwind, Java/Kotlin, and Postgres... 
    Senior
    Full time
    Temporary work
    Immediate start
    Remote work
    Visa sponsorship

    GrabJobs

    Madison, WI
    5 days ago
  •  ...Pearson is seeking a Senior Full-Stack Software Engineer to join the Enterprise Learning & Skills (ELS) engineering team. You will own major parts of a large-scale, API-driven platform used globally to issue and verify digital credentials. You'll design, build, and mentor... 
    Senior

    Pearson

    Madison, WI
    3 days ago
  •  ...ASSYST is seeking a highly experienced and motivated Lead Java Full Stack Develope r to join our client's dynamic engineering team in Washington D.C. (Remote Role) The candidate shall lead a team of talented developers in designing, building, and deploying enterprise... 
    Suggested
    Local area
    Remote work

    GrabJobs

    Madison, WI
    2 days ago
  • $125k

    A Day in the Life: We are seeking a Senior Full Stack Software Engineer to design, build, and...  ...platforms. What you will do: * Design, develop, and implement complex user interfaces...  ..., including 6+ years of hands-on Java development. * Strong expertise in Java... 
    Senior
    Worldwide

    The Hertz Corporation

    Madison, WI
    3 days ago
  •  ...Remote (EMEA & LATAM) Employment Type: Full-time About the Company: Our client...  .... Role Overview: We are seeking a Senior Full Stack Engineer to join our client's dynamic team. This role involves designing, developing, and maintaining scalable web applications... 
    Senior
    Full time
    Remote work
    Flexible hours

    GrabJobs

    Madison, WI
    3 days ago
  •  ...technical team and help shape our product trajectory. The Role We are looking for a Senior Full-Stack Engineer who embraces AI agents to supercharge their workflows. Partnering with other developers on large-scale projects, you will leverage your deep technical expertise to... 
    Senior
    Permanent employment
    Work at office
    Remote work

    GrabJobs

    Madison, WI
    5 days ago
  • $175k

     ...Role We're looking for a highly skilled Senior Full Stack Engineer who is excited about building...  ...behaviour in the real world; Improve developer experience and internal tooling where...  ...of major parts of our tech stack (AWS, Java, Typescript) Strong experience in building... 
    Senior
    Remote work
    Work from home
    Flexible hours

    GrabJobs

    Madison, WI
    2 days ago
  • $180k - $210k

     ...make the world safer and more secure. The Full-Stack Product Engineering team is responsible...  ...management and human/soft skills. Develop and maintain public APIs that are part of...  ...tech debt reduction and knowledge sharing. Senior Engineer: Successfully designs and documents... 
    Senior
    Immediate start
    Remote work
    Worldwide

    GrabJobs

    Madison, WI
    2 days ago
  • $145k - $217k

    Job DescriptionSenior Full Stack Engineer, Solve VoiceJoin us at Zendesk, where we're on a mission to power exceptional service for every...  ...lies an opportunity to make a human connection.We’re seeking a Senior Full Stack Engineer to build the real-time voice AI product that... 
    Senior
    Full time
    Remote work

    Zendesk

    Madison, WI
    1 day ago
  • $162.2k - $190.82k

     ...capabilities of the Fetch app and its ecosystem.As a Senior Software Engineer I, you will design and develop performant, reliable backend services that integrate...  ...and monetization across the Fetch app.This is a full-time role that can be held from one of our US offices... 
    Senior
    Full time
    Remote work

    Fetch Rewards

    Madison, WI
    2 days ago
  •  ...each other.CLA is growing and seeking to hire an experienced Senior Back-End Developer to join our talented Information Technology team. The...  ...TN; Houston, TX; Madison, WI; Milwaukee, WI; Fort Myers, FL; Cedar Rapids, IA; Atlanta, GA; Indianapolis, INType: Full time
    Senior
    Full time

    CliftonLarsonAllen

    Madison, WI
    6 days ago
  •  ...overlap preferred) Type: Contract (Full-Time Preferred) Domain:...  ...About the Role We are seeking a senior backend engineer to support a...  ...Implement payment routing logic Develop webhook handlers Implement...  ...Strong in one or more: Node.js Java Python Go Extensive REST API integration... 
    Senior
    Full time
    Contract work
    Remote work
    Flexible hours

    GrabJobs

    Madison, WI
    2 days ago
  •  ...demonstrate the right set of software engineering skills to effectively develop robust and scalable applications, then you’ve earned yourself...  ...container orchestration tools Other Qualifications: Full stack experience is a plus Experience with graph databases is a... 
    Senior

    GrabJobs

    Madison, WI
    6 hours ago
  • $75.95k

     ...Full Stack Developer Intern at Aivra Health LLC. About the role We are looking for a Full Stack Developer Intern to become a member of our engineering team. In this position, you will assist in the design, development, testing, and maintenance of contemporary web applications... 
    Full time
    Internship

    Aivra Health LLC

    Madison, WI
    2 days ago
  •  ...we’d love to talk. The Role We’re hiring an early to mid-level Senior Backend Engineer for our Core Team that focuses on the live Clubhouse...  ...experience with a strong foundation in languages like Python or Java, and experience with relational and/or NoSQL databases (... 
    Senior
    Remote work

    GrabJobs

    Madison, WI
    1 day ago
  •  ...DescriptionThis position focuses on (but is not limited to) developing, testing, and documenting Java based applications and client/server systems. The...  ...comSummaryFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And Services
    Senior
    Local area
    Remote work
    Relocation

    Maganti IT Resources

    Madison, WI
    7 days ago
  • $164.45k - $234.93k

     ...artists and creators. We are seeking a Senior Backend Engineer to join the Ad Serving...  ...our cross-functional teams to ideate, develop, and own complex technical solutions on our...  ...Do Architect, develop, and operate Java services that power real-time ad auction... 
    Senior
    Work experience placement
    Flexible hours

    GrabJobs

    Madison, WI
    4 days ago
  • $110k - $270k

     ...the life sciences industry. In this role, you’ll jump right in, develop in rapid sprints, and find quickly that we don’t believe in...  ...Proficiency with JavaScript ES6 experience Familiarity with open-source Java stack development (Java, Gradle, Git, Jenkins, JUnit, Tomcat)... 
    Senior
    Work at office
    Local area
    Remote work
    Work from home
    Flexible hours

    GrabJobs

    Madison, WI
    2 days ago
  • $80k - $100k

     ...Overview What You'll Be Doing The Junior Full Stack Developer role will be providing full stack development support to a highly successful...  ...cadmusgroup.com . Responsibilities Collaborate with senior developers, product owners, and DevOps engineers to design,... 
    Permanent employment
    Work experience placement
    Local area
    Worldwide

    Cadmus, LLC

    Madison, WI
    22 hours ago
  • $85k - $95k

     ...Full-time Description Work from Home (WFH) - Remote work must be performed while residing in New Mexico, Florida or...  ...Exempt Employment Type: Full-time Summary The Full Stack Web Developer at CIAT is responsible for designing, building, and maintaining... 
    Full time
    Work at office
    Local area
    Remote work
    Work from home
    Home office
    Monday to Friday
    Afternoon shift

    GrabJobs

    Madison, WI
    2 days ago
  • $148.5k - $190k

     ...expertise and grow your career. Responsibilities As a Senior Backend AI Engineer, you will design, build, and operate the backend...  ...customer dependency. Build The Agentic Platform: Design, develop, and operate the backend systems that power Arbiter’s agent-... 
    Senior
    Work experience placement
    Remote work

    GrabJobs

    Madison, WI
    2 days ago
  • $27 - $60 per hour

     ...exciting to you, please do not hesitate to apply to work with us ! You might just be exactly who we are looking for! Now Hiring: Full Stack Web Developer Full Stack Web Developer Job Summary As a full-stack developer you will be challenged to commit both front-end and back-... 
    Local area
    Immediate start
    Monday to Friday
    Shift work
    Day shift
    1 day per week

    Madison Liquidators, LLC.

    Middleton, WI
    2 days ago
  •  ...change the fight against cancer — helping to develop, introduce and support new treatment...  ...oriented programming language such as C#, Java or C++.Experience with simulators and scaffolding...  ...individuals with disabilities and veterans.SummaryLocation: Madison, WIType: Full time
    Permanent employment
    Full time
    Worldwide

    Accuray

    Madison, WI
    1 day ago
  • $70 - $75 per hour

     ...Lead Full Stack Developer Req number: R8001 Employment type: Full time Worksite flexibility: Remote Who we are CAI is...  ...full-stack software development experience ~2+ years in a senior development lead or team lead capacity ~ Strong hands-on expertise... 
    Hourly pay
    Full time
    Contract work
    Apprenticeship
    Work at office
    Local area
    Remote work
    Worldwide

    CAI

    Madison, WI
    5 days ago
  • $40 per hour

    We are looking for a Full Stack Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either... 
    Hourly pay
    Full time
    Contract work
    Part time
    Remote work

    DataAnnotation

    Madison, WI
    5 days ago
  •  ...Job Title: Senior .NET Web Developer Client: State of Wisconsin – Department of Children and Families (DCF) Job Location: Madison...  ...(DCF) is seeking a Senior .NET Web Developer to lead full-stack web development efforts supporting modernized financial systems... 
    Senior
    Remote job
    Contract work
    H1b
    Relocation

    Govserviceshub

    Madison, WI
    1 day ago
  •  ...transparent distribution of funds. About the role We’re looking for a Senior Backend Engineer (PHP) to help maintain and evolve a mission-...  ...What you need to succeed in this role Senior-level experience developing backend systems in PHP, ideally within a LAMP-based... 
    Senior
    Remote work
    Work from home
    Worldwide

    GrabJobs

    Madison, WI
    2 days ago
  • $60 per hour

    A leading AI development firm is seeking proficient programmers to join their team. This fully remote role allows for a flexible schedule where you choose the projects that align with your goals. Responsibilities include designing coding problems for AI training, writing...
    Remote job
    Flexible hours

    DataAnnotation

    Madison, WI
    5 days ago
  • A leading data streaming company is seeking a Senior Software Engineer II to design and implement critical backend systems. The role involves leading the technical direction, mentoring engineers, and driving high-impact projects in a cloud-native environment. Candidates... 
    Senior
    Remote job

    Confluent

    Madison, WI
    4 days ago
  • $60 per hour

    A leading AI development firm is seeking proficient programmers to contribute to cutting-edge AI systems. This fully remote role allows flexibility in choosing projects, with competitive hourly pay up to $60. Responsibilities include solving coding problems to train AI...
    Hourly pay
    Remote work

    DataAnnotation

    Madison, WI
    2 days ago

Do you want to receive more vacancies?

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