Senior Full Stack Software Developer
Eliassen Group
Senior Full Stack Software Developer
Anywhere
Type: Contract
Category: Development
Industry: Healthcare
Workplace Type: Remote
Reference ID: JN -062026-107187
Date Posted: 05/31/2026
Shortcut:
Description
Recommended Jobs
Description: Remote
Our client seeks a Senior Full Stack Software Developer to build and maintain modern web applications with ReactJS, NodeJS, and Microsoft SQL Server. The developer will create responsive interfaces, integrate APIs, and write efficient SQL in support of functional and reporting needs. The role requires collaboration, code quality, and attention to performance, scalability, reliability, and availability.
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: $60.00 to $70.00/hr. w2
Responsibilities:
Develop front-end user interfaces with ReactJS and modern JavaScript tooling, including Vite.
Build and maintain client-side code using HTML, CSS, and JavaScript.
Develop and integrate server-side services and REST APIs using NodeJS and ExpressJS.
Design, write, unit test, and document application code.
Write and optimize MS SQL queries, joins, views, and stored procedures for features and reporting.
Produce clear reports, requirements, user stories, and design documentation using tools such as JIRA and Confluence.
Apply problem solving and design skills with focus on performance, scalability, reliability, and availability.
Participate in software design and architecture discussions to meet functional and non-functional requirements.
Collaborate with developers, testers, and stakeholders, perform code reviews, and provide feedback.
Experience Requirements:
8+ years of software development experience.
Strong proficiency with ReactJS, modern JavaScript (ES6+), and front-end practices.
Experience with NodeJS and REST API development, preferably with ExpressJS.
Advanced SQL skills with emphasis on Microsoft SQL Server.
Proficiency with HTML and CSS for responsive and accessible development.
Proficiency with Git and modern source control workflows.
Experience in a Microsoft Windows development environment.
US Citizenship with ability to obtain a Position of Public Trust - Medium Background Investigation.
Preferred: Vite or similar tooling for React.
Preferred: Designing, developing, and maintaining scalable and performant APIs.
Preferred: Automated testing practices and performance optimization.
Preferred: Experience with Microsoft Azure and Microsoft Entra.
Preferred: Familiarity with healthcare or insurance domains and data standards.
Education Requirements:
Bachelor’s degree or equivalent related experience.
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!
$120k - $170k
...Senior Full-Stack Software Developer At Liaison, we've helped higher education institutions build better, more diverse classes for three decades. Everything we do is focused on taking that proven success and expanding its scope and scale. Over 31,000 programs on more...SeniorWork experience placementRemote work- ...development schedules Qualifications: -Bachelor's Degree, in Computer Science or a related field. -Minimum 5 years of experience developing web-based applications -Minimum 5 years development experience in Java/J2EE technologies -Strong Communication Skills The...SeniorLocal area
- ...Senior Full Stack Software Developer You will implement robust business applications to help us sell our insurance products, interact with our customers, and communicate electronically with our agents. You will be expected to maintain awareness of internet trends,...Senior
$170k - $190k
...status quo. Be on the team that's changing the world. What we're looking for: We're looking for a Senior Full Stack Software Developer to help us build and optimize tech solutions to accelerate our sustainable energy future. At Nexamp, you'll be part...SeniorWork at officeFlexible hours$120k - $180k
...Senior Full-Stack Developer / C#, React, and AI / Boston Boston, MA Hybrid Full Time $120k - $180k A global asset management company in Boston is hiring a Full-Stack developer for their team. As a Senior Full-Stack developer, you'll be a point person for...SeniorFull time- Bay Cove Human Services, Inc. is seeking a Senior Developer/Analyst to manage full lifecycle web applications focusing on modern interfaces and robust back-end systems. The ideal candidate will have at least 10 years of experience, with strong proficiency in technologies...Senior
- ...Job Title: Senior Full-Stack Developer (Angular / Python) Duration: 3 Months+ Contract Location: Boston, MA Location Hybrid - Boston, MA (required) This role requires regular on-site presence in Boston. Candidates must be based in the greater Boston...SeniorContract workRemote work
$102.5k - $187.9k
...working world. Technology – Digital Engineering – Full Stack Engineer (Senior) Whole industries have been disrupted and... ...The opportunity As a Senior Full Stack Software Engineer , you will independently develop, test, and maintain high‑quality software solutions...SeniorSummer holidayLocal areaFlexible hours$126.07k - $196.98k
..., and unmatched technical expertise to develop market-leading products with the highest... ...chemistry. Chemours is seeking a Senior Full-Stack AI Developer to join our growing AI & Data... ...remote. Experienced full stack software engineer who has a track record of designing...SeniorWork at officeLocal areaRemote work- ...Senior Fullstack Software Developer We are looking for a Senior Fullstack Software Developer to join us working... ...the Boston Common with a kitchen full of snacks and weekly catered lunches.... ...comfortable working up and down the technology stack. Feels that testing is a core part...SeniorWork at office
- ...by enabling stakeholders to realize the full value of their renewable energy systems.... ...Join our development team in designing and developing our energy services application and the tools... ..., and monetizing clean energy. Our stack includes Django, htmx, vanilla JavaScript...SeniorWork at office
$120.44k
...Senior Full Stack Developer Job Number: 25340 Functional Area: Information Technology Department: MA Green High Performance Computing Ctr... ...(MGHPCC ( ), to help design, build, and integrate the software systems that power the AI Computing Resource (AICR) at the...SeniorFull timeVisa sponsorship$140k - $190k
...global economy, solving the core technical problems to evolve humanity and society to the next level. Tutor Intelligence builds software to enable ordinary robots to achieve extraordinary things. As a platform engineer, your work lies at the center of this challenge,...SeniorWork at officeShift work- ...Description Senior Full Stack Software Engineer About Veson: Veson Nautical is a well-established and rapidly growing software... ...years of experience as a software engineer Proficiency in developing complex frontend applications using React Proficiency...Senior
$163k - $246.5k
...provides guardrails that pave the road for developers to move fast and stay secure. Built for... ...Fullstack Engineer, you'll work across the stack to design, build and maintain a fast and... ...to formal methods research and full-fledged corporations. We're new parents and...SeniorCurrently hiringLocal areaRemote workWeekend work3 days per week$190k - $240k
...beyond your team through writing and tech talks.You will help develop talent on your team by providing feedback and guidance, and leading... .../TypeScript.You have a total of 4+ years of experience as a software engineer.You are experienced in designing, developing, and launching...SeniorRemote work- ...Fully Remote Contract opportunity for a Senior Full Stack Developer. ( Focus is on React JS & Google Cloud Platform) 10+ years of full stack development with expert-level React.js, advanced Python (Flask/FastAPI), and hands-on experience with Google Cloud Platform...SeniorContract workRemote work
$160k - $210k
...About the Role A growing technology startup is hiring a Senior Full Stack Software Engineer to help build and scale its core product. This... ...web applications used by customers and internal teams Develop scalable backend services and APIs to support product features...SeniorRemote workFlexible hours- ...Senior Full-Stack Engineer As a Senior Full-Stack Engineer at Cyvl, you will play a leading role in delivering intuitive, performant, and... ...for product, and a genuine enthusiasm for leveraging agents to develop across the stack. Key Responsibilities Build across...SeniorImmediate startFlexible hours
- ...Senior Full Stack Software Engineer Boston, MA Job Description We're a high-tech home security company that's passionate about protecting... ...About You ~5+ years of professional experience developing software and business solutions ~ A collaborative team player...SeniorWork at office
- ...learning, natural language processing, and data discovery, we develop and deploy novel solutions to innovate and drive progress... ...loop. We sweat the details when it comes to UX. As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in...SeniorTemporary workWork at officeWorldwide
- ...make a global impact by working on leading-edge, open-source software and emerging standards for healthcare? The Computational... ...Harvard Medical School affiliate, is seeking an experienced full stack developer to join the SMART Health IT team (smarthealthit.org). You...SeniorFlexible hours
$120k - $180k
...Senior Full-Stack Software Engineer This role is located in Somerville, MA - We are a hybrid work environment and are in the office 3+ days/per week. Tulip, the leader in AI-native frontline operations, is helping companies around the world equip their workforce...SeniorTemporary workWork at officeLocal areaFlexible hours3 days per week- ...Job Title: Senior Full Stack Developer Location: (Chennai, India - Full-Time) Duration: Full Time About the Client: Our client is a leading provider of cloud-based scheduling and workforce management solutions that empower organizations to optimize resources...SeniorFull time
$124.9k - $228.9k
...the media best suited for each chapter. We work across the full ad tech stack, from identity to measurement to bidding, to deliver unified... ...campaign experiences that span screens, formats, and moments.Our Software Engineers are end-to-end owners who participate in designing...SeniorFull timeTemporary workWorldwide- ...Software Engineer The Citizen Developer Platform Team is responsible for enhancing, maintaining, and supporting technology that enable both business... ...applications based on functional specifications across the full stack – web user interfaces, middle-tier services, databases...Senior
$60 - $120 per hour
...Senior Full Stack Developer We are The Hollister Group , the Boston area's leading women-owned staffing firm. We guide candidates through... ...cloud technologies . Build, test, deploy, and monitor software using CI/CD pipelines and best practices for reliability...SeniorLocal area- A pioneering AI-driven startup is seeking a Senior or Staff Full-Stack Software Engineer for remote work. You will lead a team to develop innovative AI-powered products, making a direct impact on user experience while employing your extensive software development skills...SeniorRemote work
$150k - $300k
A leading SaaS company in Boston is looking for a Principal Full Stack Engineer. The role involves building scalable cloud software solutions to enhance the speed of delivering critical treatments. With over 12 years of software development experience required, candidates...SeniorRemote workFlexible hours$63 - $68 per hour
...Senior Fullstack Java Developer Senior Fullstack Java Developer Boston, MA Job Type: Contract Compensation: $63 - 68 Hourly JobID:... ...test, and maintain high-quality source code across the full stack Create and execute unit tests; support functional and...SeniorHourly payContract work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Software Developer. Be the first to apply!
- senior full stack developer Boston, MA
- senior full stack web developer Boston, MA
- full stack java developer Boston, MA
- remote .net full stack web developer Boston, MA
- c# .net full stack developer Boston, MA
- java full stack angular developer Boston, MA
- senior java full-stack developer Boston, MA
- full stack developer remote Boston, MA
- full stack developer Boston, MA
- full stack / python developer (remote) Boston, MA

