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Full-stack Engineer 4 at Capital One (United States) – On-site

About the Role

Looking for your next challenge? Capital One is hiring a Full-stack Engineer 4 for an on-site role. More jobs at Capital One and this is a senior-level opportunity for a practitioner who’s comfortable leading by example on technically demanding work. If growth and real ownership matter to you, this role is worth exploring further.

This Full-stack Engineer 4 role at Capital One puts you alongside experienced peers tackling problems that matter to the business, with real ownership built in. This is a full-time position with the stability and benefits that come with a permanent role.

Role Overview

Operating at a senior level, you’ll be central to the team’s day-to-day work. Core responsibilities for this Full-stack Engineer 4 opening include:

  • architect and build features across both the front-end and back-end of the application
  • coordinate with product and design teams to translate requirements into shipped functionality
  • optimize application performance, reliability, and scalability across the stack
  • produce clean, well-tested, maintainable code and participate in peer code reviews

Beyond these core duties, strong communication with teammates and stakeholders, clear documentation, and a habit of improving team process all matter in this role.

Requirements & Qualifications

Given the seniority of this role, candidates should bring strong, demonstrated expertise:

  • experience building production applications across front-end and back-end layers
  • strong understanding of APIs, databases, and modern web frameworks
  • an eye for clean, maintainable, well-tested code
  • comfort working across the stack and adapting to different parts of the codebase

Candidates who don’t check every box are still encouraged to apply — Capital One values demonstrated ability and growth potential alongside a resume that matches every requirement exactly.

Location & Work Setup

Based in United States, this is an on-site role, with the team working together in person to collaborate closely on a daily basis. The finer points of work arrangement and relocation are typically confirmed later in the interview process. As with most on-site positions, collaboration happens through a blend of live meetings and asynchronous updates — so communication matters just as much as technical ability.

How to Apply

Interested? Apply through Capital One’s careers page with an up-to-date resume that highlights experience relevant to this Full-stack Engineer 4 role. Adding a short note on why this team and role interest you can help your application stand out. View all Full-Stack Engineer openings if you’d like to compare this opportunity with similar openings.

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