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Senior Full Stack Engineer / Startup experience / React / Node

Philadelphia, PA, US • Posted 30+ days ago • Updated 5 hours ago

Full Time

On-site

$150000 - $185000/yr

Motion Recruitment Partners, LLC

Fitment

Dice Job Match Score™

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Job Details

Skills

Startups
Recruiting
Spring Framework
Technical Drafting
Relational Databases
Reliability Engineering
Workflow
Technical Writing
Software Engineering
Node.js
TypeScript
React.js
PostgreSQL
RDBMS
Web Applications
Debugging
GitHub
GraphQL
Authentication
OAuth
SSO
Management
Privacy
Artificial Intelligence

Summary

Senior Full Stack Engineer

I'm working with an innovative fintech company that's hiring a Senior Full Stack Engineer to join their Core Engineering team. This team builds the foundational systems that power authentication, data privacy, AI enablement, and internal tooling across the organization.

Hybrid (1-2 days/week) if you're local to an office in Silver Spring, MD, New York City, San Francisco, Miami, or Denver
Remote candidates are welcome if you are not local to an office

Responsibilities

Build and maintain core services supporting authentication, data privacy, AI infrastructure, and internal tooling
Own projects from technical design through implementation, deployment, and ongoing support
Develop scalable backend services using Node.js, TypeScript, and relational databases
Build modern frontend applications with React (or similar frameworks)
Partner with Product, Data, and Operations teams to deliver reliable, scalable systems
Improve system reliability, observability, and performance across critical workflows
Design and enhance APIs, shared libraries, and platform tooling used across engineering
Participate in architecture discussions, code reviews, and technical documentation

Requirements

7+ years of professional full stack software engineering experience
Strong experience with Node.js, TypeScript, React (or similar), and Postgres (or another relational database)
Experience building scalable, production-grade web applications and backend services
Comfortable owning projects end-to-end with minimal direction
Strong understanding of observability, reliability, and production debugging
Experience collaborating across cross-functional engineering teams
Experience using AI-assisted development tools such as Cursor, Claude Code, GitHub Copilot, or similar
Experience with GraphQL is a plus

Nice to Have

Authentication & Identity (OAuth, SSO, Auth0, session management)
Data Privacy & Trust Systems
AI Enablement / LLM infrastructure
Internal developer tooling and platform engineering experience

Additional Information

No sponsorship or visa transfers are available for this position.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10105282
Position Id: 883091
Posted 30+ days ago

Company Info

About Motion Recruitment Partners, LLC

Motion Recruitment delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery centers. Our high-touch, specialized, team-based recruitment model’s success is proven through our exemplary track record in filling the most challenging IT positions for startup and enterprise clients alike. Our hyper-specialized tech focus results in a truly consultative approach for both our clients and candidates, within our recruiting areas of expertise: Software, Mobile, Data, Infrastructure, Cybersecurity, Product + UX and Functional.

Motion also delivers IT Consulting Solutions through the Motion Consulting Group (MCG) that create true digital transformation for IT projects in Agile Development & Coaching, DevOps & DevSecOps Solutions, and Managed Services for IT Operations.

We’re also the proud creators of Tech in Motion and the Timmy Awards, our North American community platform, events series and award program that connects over 250,000 tech enthusiasts to meet, learn, and innovate.

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