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HomeCompaniesIonPrincipal React Engineer, New York

Principal React Engineer, New York

Ion · New York · Hybrid · Active · $180,000–$230,000 / year · Lever

Job facts

FieldValue
CompanyIon
TitlePrincipal React Engineer, New York
Normalized title-
Department / teamLab49 / Software Engineering
LocationNew York, NY, United States
Work modelHybrid / Hybrid
Employment typeFull Time
Salary$180,000–$230,000 / year
Statusactive
ATS providerLever
Posted / first seen2026-02-13 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-21

Related slices

PageWhat it containsOpen
Company jobsActive postings from Ion.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Lever.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in New York.Open
Department jobsActive postings in Lab49.Open
Work model jobsActive Hybrid postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyIon
Sourceda9bf2cb-82de-469a-86a2-68a4924e71a7
ATS providerLever

Description

Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance.   We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to business problems but delivering them into production. The Principal React Engineer will play a critical leadership role on a key project for a strategic Lab49 client. You will work shoulder-to-shoulder with Product and UX experts from Lab49and our client. In addition to the Lab49 project team, you will collaborate with client product and engineering stakeholders to guide the discovery and build phase of an exciting new initiative. Why Lab49? Lab49 is an established partner for most financial institutions on Wall Street. You will gain exposureintoa variety of environments, business domains, technologies, and people. Your ability to bring drive and creativity to the role will be the keycomponentto success at Lab49. The broad and intense exposure to a variety of challenges accelerates your career growth, and Lab49’s structure is designed to enable you to learn and grow as an engineer and consultant. The base salary range is: •    Senior to Leadership level - $180,000 - $230,000 Base salary is only one component of our total compensation package. Employees may be eligible for a discretionary bonus, which is determined upon company and individual performance. Salary range disclosure as required by S9427A when hiring in New York. Our total rewards program is designed to support employee well-being and professional growth.  We offer a competitive benefits package including a discretionary bonus, paid holidays, a 401(k), and comprehensive medical, dental, and vision coverage. Additional benefits include life insurance,  short and long-term disability, Commuter FSA, Family Building Benefits, and more. All benefits are subject to eligibility requirements. Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business. Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor. What you’ll be doing: Partnering with our client to lead the design and build of astructured products tradingUIusing modern web development technology and techniques. You willbe responsible formanagingengineeringdeliverables, and the relationships with other key contributors to deliver great software. Design, document, and plan for the technical implementation and delivery of working software into production. Act as a hands-on engineer and architect to support ongoing project work. Lead and activelyparticipatein projects, serving as a role model for project teams and collaborating with other practices to ensure successful outcomes. Partner with client counterparts and stakeholders tomaintainand build relationships,maintaininga commercial approach. Develop strong relationships with clients as a strategic partner and technical advisor, contributing to expanding our footprint and securing follow-on work. Partner with the Lab49 business development team to create and deliver compelling pitches, defining problems, captivating clients, presenting solutions, and working out engagement terms. Build and reinforce your professional network through active engagement in industry events and public speaking opportunities. Contribute to the Interactive Practice: The UI engineering team within Lab49. This means bringing your passion and opinionated view of what makes for great UI development to the wider UI engineering community within Lab49. Assist in developing effective management skills and practices among line managers in the Engineering practice, fostering strategic career planning and development for the engineering team as a whole. What you should have: 10+ years of hands-on experience designing and building complex, commercial-grade software applications. A primary engineering skillset focused ondelivering UIs for digital products. Experience with JavaScript and TypeScript, with modern frameworks specifically React. 5+ years of solid hands-on experience in Python or C# development. Proventrack recordin effective leadership, problem-solving, and decision-making. Experience designing holistic technical solutions, managing integrations with third party services and APIs, and deploying applications into production. Experience collaborating with project teams and interacting with clients in finance, consulting, or start-up environments. A passion for technology and innovation, staying informed about the latest industry trends through active participation in industry events, meet-ups, and more. Experience with one or more cloud platforms with a working understanding of contemporary SDLC practices such as continuous delivery. Strong understanding of the value of testing, quality, continuous integration, source control, and code reviews. Experience in capital markets, financial markets/products, consulting is highly desirable.

Full job record

Job ID1d6471a22e6360ae3d2dd5ed2060a60c4a1b5c80
Org IDb719e48d-5677-4053-98da-6f6aee8c9be1
Source IDda9bf2cb-82de-469a-86a2-68a4924e71a7
Board IDda9bf2cb-82de-469a-86a2-68a4924e71a7
Providerlever
Provider Job Keyca40c04c-9229-4121-b97e-5baf46e76ed2
TitlePrincipal React Engineer, New York
Normalized Title
Statusactive
Activeyes
Location TextNew York
DepartmentLab49
TeamSoftware Engineering
Employment TypeFull-time
Workplace Typehybrid
Remote Policyhybrid
CountryUnited States
RegionNY
CityNew York
Salary Rawsalary range is: • Senior to Leadership level - $180,000 - $230,000 Base salary is only one component of our total compensation package
Salary Min180,000
Salary Max230,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://jobs.lever.co/ion/ca40c04c-9229-4121-b97e-5baf46e76ed2
Apply URLhttps://jobs.lever.co/ion/ca40c04c-9229-4121-b97e-5baf46e76ed2/apply
First Seen At2026-05-29 07:03:25Z
Last Seen At2026-06-21 07:57:41Z
Last Checked At2026-06-21 07:57:41Z
Last Changed At2026-05-29 07:03:25Z
Inactive At
Source Posted At2026-02-13 16:58:06Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=lever/board=ion/date=2026-06-21/2026-06-21T07-57-41-203Z-c07189b7fa5648c5d8e056738314927a0159beb67bafc833fcdbb675730dffc8.json
Event Fields
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Extensions
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