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Fractional Senior Full Stack Engineer (Stabilization / AI-Generated Code)

Job Overview

Location

Europe (Remote)

Job Type

Full-time

Category

Software Engineering

Date Posted

June 4, 2026

Full Job Description

đź“‹ Description

  • • Review and assess existing codebases, often generated by AI tools or built by non-technical founders, to identify bugs, structural flaws, and technical risks
  • • Refactor and stabilize applications to make them production-ready, focusing on reliability, performance, and maintainability rather than new feature development
  • • Fill critical gaps in core functionality including authentication, payment processing, backend logic, and data flow integrity
  • • Improve code structure and architecture to reduce technical debt and increase long-term scalability
  • • Implement lightweight QA and testing protocols where none exist, ensuring baseline stability and error handling
  • • Collaborate with engineers, QA teams, and project leads across multiple early-stage products simultaneously
  • • Adapt quickly to shifting priorities as project demands change, often working on 2–4 concurrent engagements
  • • Work without comprehensive documentation, relying on code analysis and logical inference to understand system behavior
  • • Optimize application performance by identifying bottlenecks in frontend, backend, and database layers
  • • Ensure modern web architectures are properly implemented, including API design, state management, and secure data handling
  • • Maintain consistent code quality across diverse tech stacks, prioritizing clean, readable, and testable patterns
  • • Deliver incremental improvements that enable non-technical founders to confidently scale their products
  • • Operate in fast-moving, delivery-focused environments with minimal oversight and high autonomy
  • • Engage in hourly, fractional engagements ranging from 10 to 40 hours per week, with initial contracts typically lasting 4 weeks
  • • Transition products from fragile MVPs to stable, production-grade systems through systematic code review and iterative fixes
  • • Work across a flexible tech stack including Python (FastAPI, Django), Node.js/TypeScript, React/Next.js, Firebase, Supabase, and modern web APIs
  • • Prioritize practical, solution-oriented engineering over theoretical or idealized approaches
  • • Communicate clearly with non-technical stakeholders to explain technical constraints and proposed fixes

🎯 Requirements

  • • 5+ years of full stack engineering experience
  • • Proven experience working in messy, inherited, or undocumented codebases
  • • Demonstrated ability to take products from MVP to stable, production-ready state
  • • Comfort operating without full documentation and in fast-moving, delivery-focused environments
  • • Strong communication and collaboration skills across engineering and non-technical teams
  • • Practical, solution-oriented mindset focused on real-world stability over theoretical perfection

🏖️ Benefits

  • • Fractional, hourly engagement with flexible hours (10–40 hrs/week)
  • • Work across multiple early-stage client projects with varied challenges
  • • High autonomy and minimal oversight in a remote, results-driven environment
  • • Opportunity to stabilize diverse tech stacks and solve complex legacy code problems

Skills & Technologies

Python
JavaScript
TypeScript
React
Next.js
Full Stack
Senior
Remote

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About Bullpen Talent, Inc.

Bullpen Talent is a technology-enabled recruiting firm that specializes in placing senior-level finance, accounting, and data professionals in high-growth companies across the United States. Founded in 2012, the company combines proprietary data analytics, rigorous assessment, and deep industry relationships to deliver permanent and interim hires for CFO, Controller, FP&A, and corporate development roles. Its platform continuously maps active and passive talent, enabling clients to reduce time-to-hire while improving retention and diversity.

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