UI Full Stack Engineer

UI Full Stack Engineer

Boston, MA

Type: Contract

Category: Development

Industry: Financial Services

Reference : JN -

Date Posted: 04/15/2026

Hybrid: every other week onsite / 5 days in Boston, MA.

Benefits include Medical, Dental, and Vision benefits, 401(k) with company matching, and life insurance.

Rate: $60.00 to $65.00/hr w2 required.

• Develop best-in-class web user experiences and supporting platforms.
• Build end-to-end features within autonomous, cross-functional teams.
• Own features from concept through deployment.
• Design, build, and support mission‑critical enterprise applications.
• Define product solutions in partnership with business and product teams.
• Promote and uphold good engineering practices and standards.
• Navigate new technologies and cloud‑based deployments to deliver business value.
• Drive continuous process improvement initiatives.
• Perform code reviews, unit testing, and integration testing using open‑source frameworks.
• Lead process and technology improvement initiatives.
• Stay current with engineering trends and bring applicable practices to the team.
• Mentor junior team members.

• 5+ years with modern MV*/SPA frameworks and tooling, including Angular, JavaScript/Type Script, Node, NPM, HTML/CSS, and RxJS.
• Hands‑on API design and development with microservices architecture using Java, REST, NodeJS, and Swagger.
• Experience with test automation using Selenium, Cucumber, Cypress, or Playwright, covering unit, integration, and functional tests.
• Advocacy for Test‑Driven Development and unit testing with frameworks such as Jest and Jasmine.
• Proficiency with AWS services for deploying and managing applications.
• Experience working in Agile environments both collaboratively and independently.
• Ability to troubleshoot production issues using tools such as Splunk and Datadog.
• Hands‑on CI/CD experience with tools such as Jenkins, Artifactory, uDeploy, and Git Hub.
• Strong analytical, communication, and organizational skills with the ability to manage multiple tasks.
• Proven technical design, development, analysis, and problem‑solving skills.
• Commitment to learning new technologies and frameworks.
• Experience implementing microservices architectures and building scalable, maintainable, and automated infrastructure.

• Bachelor's or master's degree, or equivalent, in Computer Science or Engineering.

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. We do 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, or any other category protected by federal, state, or local laws.