Senior Software Engineer, Client Experience
San Francisco, CA
Category: Development
Industry: Financial Services
Reference ID: JN -042026-106356
Date Posted: 04/12/2026
Shortcut: http://careers.eliassen.com/SDSzQK
Description:
Hybrid 4 days in office in either San Francisco, CA, Austin, TX, New York, NY, Southlake, TX, or Denver, CO
Our client seeks a senior software engineer to lead front-end focused development using React, TypeScript, and server-side rendering to deliver client-facing web applications. The role will drive iterative delivery with product and design, promote reusable components and design tokens, and ensure accessible, performant experiences. The engineer will partner across domains for end-to-end solutions, uphold code quality through reviews and mentorship, and stay current with modern frontend practices to support a scalable platform.
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: $100.00 to $115.00/hr. w2
Responsibilities:
- Champion iterative delivery with product, design, and engineering partners.
- Build responsive, accessible, and performant React web applications with strong client experiences.
- Promote reusable components and Tailwind design tokens to enable consistent reuse.
- Collaborate with cross-functional teams to translate requirements into scalable solutions.
- Partner with domain and data providers to deliver end-to-end integrations.
- Leverage headless CMS and low-code solutions when appropriate.
- Ensure code quality and maintainability through reviews and mentorship.
- Advocate for customers using experimentation and data-driven decisions.
- Stay current on frontend trends, tools, and best practices.
- Contribute to a culture of continuous improvement and innovation.
- Design and enhance SPA and SSR applications using frameworks such as React and Remix.
- Contribute to technical design, architecture, and code to support team delivery.
- Own front-end application design decisions and domain integrations.
- Mentor distributed engineers in front-end design and techniques.
- Act as a technical lead for the engineering team.
- Create clear, thorough technical documentation.
- Consult with other teams on front-end applications.
- Investigate and recommend guidelines for internal and external frameworks and new technologies.
Experience Requirements:
- 8+ years of software engineering experience.
- Expertise building externally facing, highly available UI experiences in React or similar frameworks such as Next.js or Angular.
- Experience collaborating with UI/UX designers and using design systems, component libraries, charting libraries, and tables/grids.
- Proven record of teamwork and rapid delivery, including supporting and guiding peers to resolve engineering impediments.
- Expertise with build optimization and bundling tools.
- Knowledge of event-driven architectures, RESTful APIs, GraphQL, WebSocket, and related web protocols.
- Deep knowledge of patterns, antipatterns, and best practices for large-scale customer-facing solutions.
- Experience with backend for frontend architectures and/or lambda functions (preferred).
- Knowledge of Cloudflare as a CDN and caching layer (preferred).
- Experience programming in C# and .NET technologies (preferred).
- Knowledge of AWS or Azure cloud infrastructure (preferred).
- FinTech or financial services or other regulated industry experience (preferred).
- Experience at high-growth, venture-backed startups and scaling post-IPO (preferred).
Education Requirements:
- Bachelor’s degree in Computer Science, Engineering, or related field.
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 fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
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, as indicated above