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Product Engineer, Foundations Team

Job in New York City, Richmond County, New York, USA
Listing for: K-Dimensional Holdings Inc.
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 160000 - 215000 USD Yearly USD 160000.00 215000.00 YEAR
Job Description & How to Apply Below
Coast is re-imagining the trillion-dollar U.S. B2B card payments infrastructure, with a focus on the country's 500,000 commercial fleets, 40 million commercial vehicles, and many million commercial drivers. The incumbent technologies that cater to these customers are decades old, and drivers, fleets, and the merchants that serve them all increasingly demand modern digital experiences and affordable and transparent financial services products.

Coast's mission is to deliver them at a transformational scale, and to improve working lives in one of the country's biggest industry sectors. The company is backed by top fintech and mobility venture funds.

Coast is competing and winning with software, and we are building a world-class engineering team. We are looking for a full-stack engineer to join our Foundations team. This is a unique opportunity to get in on the ground level early on, contribute and learn in myriad ways, make key decisions, expand your impact as the business grows, have fun, and learn a ton in the process.

If you're practical and business-minded, smart and creative, and excited about the rewards and the energy of an early-stage venture-backed startup, we'd love to hear from you.

In order to maximize the velocity of our engineering team, we are hiring in NYC and the tri-state area only. Our office is located in the heart of Manhattan's SoHo neighborhood, benefiting from its vibrant creative energy.

The Foundations team at Coast is responsible for the essential services that allow our customers to transact with confidence. Whether it is ensuring we are processing payments, the authorization engine that we use to decide whether to approve transactions, or the SMS flows that drivers rely on to provide essential information about how and why they are spending, the Foundations team keeps the engine running that allows the rest of engineering to provide a delightful experience to our customers.

Whoever we hire for this job will get visibility not just across engineering, but the full business, including our risk and underwriting team as well as finance, product, and design. This is a high-agency role that suits engineers who are looking for a large amount of autonomy and responsibility. Anyone who joins the team needs to be able to work in a cross-functional team, meet the velocity needs of a growing organization, and own the outcome across the whole technology stack.

We iterate quickly, prioritize learning from our clients, build quality in, and remain ruthlessly pragmatic.

The Full-Stack Engineer will:

* build product features end-to-end, from web UI to distributed services back end;

* work to evaluate and integrate critical third-party software and infrastructure including the payments stack;

* challenge the team to automate, improve process, simplify, raise the bar for quality;

* help shape the engineering culture of the company;

* have a voice in early technology and implementation choices.

The Full-Stack Engineer must:

* have 4-10+ years experience working with first-class engineering teams with a proven track record of frequent delivery of quality software to production;

* be experienced working on business-critical services;

* Have owned the full lifecycle of solutions from ideation, to delivery, to iteration;

* have substantial experience with server-side programming, variety of databases (Postgres, Dynamo

DB), messaging, REST and APIs in general, distributed systems;

* have experience with modern web development, in Type Script;

* have extensive experience working in cross-functional agile teams in collaboration with product and design;

* have hands-on knowledge developing applications in the cloud (preferably AWS);

* have a proven history of delivering complex, highly available and scalable distributed systems;

* be pragmatic and get stuff done;

* be passionate about building amazing products for customers;

* be able to work independently with little oversight or management in a fast-paced, dynamic environment with high-energy and mission-driven colleagues.

Compensation

Our salary ranges are based on paying competitively for our size and industry, and are one part of our total compensation package that also includes benefits, signing bonus, and equity. Pay decisions are based on a number of factors, including scope and qualifications for the role, experience level, skillset, and balancing internal equity relative to other Coast employees. We expect the majority of the candidates who are offered roles at Coast to fall healthily within the range based on these factors.

* Salary range: $160,000 - $215,000 annually

* Interview process will determine Engineer vs Senior Engineer leveling

* Signing bonus

* Equity grant: commensurate with level determined at the discretion of the company, with meaningful potential upside given the company's early stage

* Benefits overview:

* Medical, dental and vision insurance

* Flexible paid time off (vacation, personal well being, paid holidays)

* Tools to help manage your financial wellness,…
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