Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise
Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise

Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise

Full-Time 100000 - 200000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and develop cutting-edge frontend and backend applications using React and Python.
  • Company: Join a YC-backed AI-native enterprise with a dynamic and innovative culture.
  • Benefits: Earn a competitive salary plus equity and performance-based incentives.
  • Why this job: Be part of a pioneering team shaping the future of AI in enterprise solutions.
  • Qualifications: 5+ years in software engineering with strong skills in React, Python, and cloud technologies.
  • Other info: Mentorship opportunities and a chance to influence expansion into the APAC market.

The predicted salary is between 100000 - 200000 £ per year.

What You'll Be Doing

  • Design, develop, and maintain frontend applications using React and Next.js.
  • Build, test, and deploy backend services and APIs (Python/Django/FastAPI preferred).
  • Collaborate with founders, growth team, designers, and other engineers to deliver high-impact features.
  • Ensure scalability, performance, and security across the stack.
  • Implement CI/CD pipelines, automated testing, and monitoring solutions.
  • Contribute to infrastructure planning, deployment, and optimization in cloud environments (AWS, GCP, or Azure).
  • Develop and deploy AI-powered features in production, including RAG systems and multi-agent infrastructure.
  • Create data pipelines for AI model training, evaluation, and continuous improvement.
  • Mentor junior developers and promote engineering best practices.

What We're Looking For

  • 5+ years of professional software engineering experience.
  • Proven experience with React and Next.js in production environments.
  • Strong backend development skills (Python preferred).
  • Solid understanding of relational and/or NoSQL databases.
  • Experience with Git and collaborative development workflows.
  • Knowledge of cloud infrastructure, containerization (Docker, Kubernetes), and CI/CD pipelines.
  • Experience implementing background workers and task queues (Celery, RQ, etc.).
  • Proficiency with Redis for caching, pub/sub, or job queues.
  • Hands‑on experience building and deploying AI applications in production environments.
  • Experience implementing RAG pipelines, AI agent orchestration, model fine‑tuning, and performance monitoring.
  • Familiarity with LLM evaluation techniques and tools for measuring model accuracy, reliability, and safety.

Compensation & Benefits

  • Competitive salary £100,000 – £200,000 GBP + equity.
  • Performance‑based incentives.
  • Opportunity to be instrumental in our expansion into the APAC market.
  • Supportive and innovative work environment.

About the Company

The client is an AI‑native workspace initially designed for investment banking, private equity, consultancies, and asset managers. The company is led by two well‑known founders who have successfully sold their last two YC‑backed companies. They have raised significant funding from Y Combinator and top‑tier venture firms, with live deployments at prestigious global institutions. The team operates across New York, London, and Hong Kong, aiming to become the leading AI application platform for enterprise.

Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise employer: TechTree

As a Senior Full-Stack Engineer at our YC-backed AI-native enterprise, you'll thrive in a supportive and innovative work environment that champions collaboration and creativity. With competitive compensation, including equity and performance-based incentives, you will have the opportunity to make a significant impact as we expand into the APAC market while enjoying ample growth opportunities within a team led by seasoned founders. Join us in shaping the future of AI applications for enterprise at our dynamic locations in New York, London, and Hong Kong.
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Contact Detail:

TechTree Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech world, especially those who might know someone at the company you're eyeing. A personal introduction can make all the difference in getting your foot in the door.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using React and Python. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for the interview by brushing up on common technical questions related to full-stack development. Practice coding challenges and be ready to discuss your past experiences with AI applications and cloud infrastructure.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect directly with us.

We think you need these skills to ace Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise

React
Next.js
Python
Django
FastAPI
CI/CD Pipelines
Cloud Infrastructure (AWS, GCP, Azure)
Docker
Kubernetes
Redis
Celery
AI Application Development
RAG Pipelines
Model Fine-Tuning
Database Management (Relational/NoSQL)

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the job description. Highlight your experience with React, Python, and any AI applications you've worked on. We want to see how you can contribute to our team!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to tell us why you're passionate about this role and how your background makes you a perfect fit. Don't forget to mention any relevant projects or achievements that showcase your skills.

Showcase Your Projects: If you've got a portfolio or GitHub with projects that demonstrate your full-stack capabilities, share it! We love seeing real examples of your work, especially anything involving cloud infrastructure or AI features.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. Plus, we’re excited to see what you bring to the table!

How to prepare for a job interview at TechTree

✨Know Your Tech Stack Inside Out

Make sure you’re well-versed in React, Next.js, and Python. Brush up on your knowledge of backend services and APIs, especially with Django and FastAPI. Be ready to discuss your past projects and how you’ve tackled challenges using these technologies.

✨Showcase Your Collaboration Skills

This role involves working closely with various teams, so be prepared to share examples of how you've collaborated with designers, growth teams, and other engineers. Highlight any experiences where you’ve contributed to high-impact features or mentored junior developers.

✨Demonstrate Your Problem-Solving Abilities

Expect technical questions that assess your problem-solving skills. Think about scenarios where you had to ensure scalability, performance, and security across the stack. Be ready to explain your thought process and the solutions you implemented.

✨Familiarise Yourself with AI Applications

Since the company focuses on AI-powered features, brush up on your experience with AI applications, RAG systems, and data pipelines. Be prepared to discuss how you’ve built and deployed AI applications in production environments and any relevant tools you’ve used for model evaluation.

Senior Full-Stack Engineer (React/Python) (+ Equity) at YC-backed AI-native enterprise
TechTree

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