About the Role

We're looking for a hands-on Principal Software Engineer who is a Seasoned Builder to help design and build a modern web and mobile application using React Native (frontend) and .NET Core (backend).

You'll coordinate a small development team, take ownership of technical delivery, support product decisions with pragmatic engineering judgement, and help establish strong development practices as the product scales.

This role suits someone with minimum 45 years of experience who is ready to step into a lead position while still remaining deeply involved in implementation.

Our core stack is C#/.NET and React Native, but it's not a dealbreaker if your background is different. We value strong Engineering fundamentals and believe great engineers can ramp into new languages quicklyespecially with modern AI tooling as part of the workflow.

We value engineers who are experienced or curious and adaptable to AI-enriched development techniques. Experience or interest in banking and financial services (particularly mortgages and consumer debt) would be highly regarded.

Key Responsibilities

Software Development & Architecture

Lead development of features across a React Native frontend and .NET Core backend, including:
Design and development of secure, scalable APIs, and backend processes
Implementation of a polished frontend application, based on Figman designs, steering definition of reusable components and state/data management patterns
Implement clean, maintainable, well-tested code with strong engineering fundamentals
Contribute to architectural direction while keeping solutions practical, incremental, and aligned to business needs
Ensure technical decisions support security, maintainability, and long-term product evolution

Development Process & Product Collaboration

Coordinate day-to-day engineering delivery, including:
Running daily stand-ups
Supporting backlog grooming / refinement
Breaking down work into clear deliverables and milestones
Work closely with the product team to:
Assess technical feasibility of proposed features
Identify constraints, dependencies, and implementation options early
Provide meaningful input into product scope and sequencing
Provide estimation and delivery forecasting based on real technical understanding
Identify technical risks early and communicate trade-offs clearly to stakeholders

Technical Leadership & Quality Practices

Drive code reviews and establish team conventions (linting, formatting, patterns, PR hygiene)
Mentor developers and set a high bar for engineering quality and delivery standards
Improve developer experience through better tooling, documentation, and automation
Maintain alignment on technical direction and keep delivery moving smoothly

AI-Enriched Development

Explore and apply AI tools to improve productivity and quality (e.g. code generation, test generation)
Evaluate AI-assisted approaches thoughtfully (accuracy, safety, maintainability)
Help establish internal best practices for using AI responsibly in development workflows

Required Skills & Experience

Minimum 45 years professional experience in software engineering
Strong experience with TypeScript, React Native (or similar) and .NET Core
Comfortable coordinating delivery and working in an iterative product development environment
Familiarity with core engineering practices:
Git workflows and PR-based development
Unit/integration testing
CI/CD fundamentals

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