Software Founding Engineer – Visa Sponsorship Available

Destinydot; United Kingdom; Hybrid; GBP 77,000; Full time

Job summary

A leading fintech startup based in the UK is looking for a Software Founding Engineer to contribute to innovative tech solutions. This role offers an excellent compensation package of over $100K, including equity and visa sponsorship. Candidates should have a strong background in Python, frontend and backend technologies, and a readiness to work on-site in London. Join us to shape the future of banking with AI-driven solutions.

Benefits

Equity in a growing company

Visa sponsorship for US/UK

Flexible working environment

Qualifications

• Proficiency in Python and practical knowledge of LLMs or GenAI tools.
• Eager to take on genuine responsibility from the start.

Responsibilities

• Prompt engineering, fine-tuning, and LLM training.
• Backend development using Python and API integration.
• Frontend development with HTML, CSS, JavaScript, Flutter, and Swift.
• Create scalable financial data systems.
• Work closely with founders on technology direction.

Skills

Python

HTML

CSS

JavaScript

Flutter

Swift

LLM tools

Education

Bachelor's/Master's/Doctoral degree in Computer Science or related field

Job description

Join as a Software Founding Engineer! Exciting opportunity with visa sponsorship. Shape the future with innovative tech solutions.

About Selfin

With support from Y Combinator, Selfin is a covert fintech business creating the first AI bank. Students from MIT, Stanford, and Imperial who have worked at NASA, Bank of America, BCG, Bloomberg, Rolls-Royce, and Revolut joined the team. We are now searching for individuals who have the guts to start from scratch and the intelligence to complete the project successfully.

To gain access to our software, sign up for the waitlist at https://selfin.app. Make sure you’re interested in the position by giving our product a try!

About the Position

We are currently seeking extremely driven Software Founding Engineers to work with us in San Francisco on the frontend, backend, and AI components of the product.

Duties

• AI/LLM: prompt engineering, fine-tuning, and LLM training (o4/5, Claude)
• Backend: Python, API integration, and cloud infrastructure (GC)
• Frontend: HTML, CSS, Java Script, Flutter, Swift (iOS)
• Assist in creating scalable, safe financial data systems
• Work closely with the founders to determine the direction of technology and products.
• Move quickly and on your own; this is not a limited job.

Qualifications

• A bachelor’s, master’s or doctoral degree in computer science or a related engineering field from a prestigious university
• Proficiency in Python and practical knowledge of LLMs or GenAI tools
• Willing to work on-site in London or San Francisco (US/UK visas sponsored)
• Extra credit for publications, side projects, hackathons, and startup experience
• People who are eager to take on genuine responsibility from the start

Payment

• >$100K in compensation (based on experience and talents) plus equity
• Sponsorship of US/UK visas
• A crucial part of an AI fintech influencing banking’s future
• Independence, quickness, and complete transparency in the development of products and businesses