Summary
Overview
Work history
Education
Skills
Affiliations
References
Timeline
Generic

Ian Heinrich

London

Summary

Results-driven Senior Software Engineer with a strong track record of architecting secure, high-performance FinTech infrastructure and applications, combining technical excellence with the cross-functional leadership and stakeholder management skills.

Overview

7
7
years of professional experience

Work history

Senior Software Engineer

OakNorth
London
2025.01 - Current

Proactive Mitigation: Collaborated with the Security team to integrate automated security scanning, identifying and resolving 75% of vulnerabilities prior to production deployment.

High-Performance Infra: Developed core card services infrastructure optimized for low-latency

Apple Wallet Integration: Led the technical implementation and design of Apple Wallet integration, resulting in a significant increase in card activation

Database Migration: Spearheaded a transaction schema migration that decreased transaction loading times by 300%, enabling seamless support for future transaction types.

Automated Reporting: Built automated Visa/FCA reporting functionality, reducing manual finance reporting overhead by ~80%.

Testing Infrastructure & Enablement: Led the end-to-end delivery of AWS Device Farm; handled vendor procurement, aligned cross-functional stakeholders to secure budget, integrated the initial E2E test framework, and upskilled engineering teams to scale adoption—slashing critical frontend incidents by 15%.

AI-Powered CI/CD: Developed an AI-driven pull request analysis workflow that dynamically identifies code changes to intelligently select and execute relevant E2E tests. Minimized pipeline execution times while maximizing deployment velocity and system reliability.

Software Engineer II

OakNorth
London
2022.08 - 2024.12

Foundational Hire: One of the first engineers recruited to architect and build the transactional banking engine from the ground up.

Onboarding Automation: Led the development of the foundational customer due diligence (CDD) platform, automating 50% of manual KYC/KYB workflows and reducing average customer onboarding time from days to minutes.

PCI-DSS: Created internal training modules to ensure 100% engineering compliance with PCI-DSS standards.

Leadership: Established and led a cross-squad Security Guild; upskilled the whole engineering team through targeted workshops on sensitive data handling and OWASP principles.

Full Stack Engineer

Rappid Software Design
London
2021.07 - 2022.08

Developed critical covid health tracking and compliance platform trusted by large entertainment enterprises, including Disney and Netflix, to ensure TV and film production does not stop.

System Architecture: Designed and engineered a scalable multi-entity (multi-tenant) architecture, enabling enterprise clients to securely manage isolated sub-organizations and federated user permissions.

Security & Data Privacy: Spearheaded a comprehensive security audit and remediation strategy for highly sensitive medical and vaccination data, guaranteeing robust encryption and access controls.

Performance Optimization: Diagnosed and refactored inefficient, complex ORM queries, slashing critical page load times from 5+ seconds to

Contract Software Engineer

Various Companies
Edinburgh
2020.01 - 2022.08

You Balance (B2B SaaS): Architected a cross-platform Flutter app and serverless GCP backend (Cloud Run, Cloud SQL), collaborating directly with enterprise clients (WebHelp UK) to define product requirements.

tensARC (Architecture): Engineered the inShade Flutter application, implementing a custom geometric rendering and real-time cost estimation engine to automate the B2B sales quoting pipeline.

Full Stack Engineer (Part-time)

Adeptic Ltd
Edinburgh
2019.08 - 2021.01

Developed companion app for Adeptic's visitor and goods management system using Flutter, AWS (Elastic Beanstalk), RDS, mail services, and Shortcut to enhance user experience and streamline management processes.

Education

Bachelor of Science - Computing Science

University of Aberdeen

Higher National Diploma - Software Development

City of Glasgow College

Skills

    Languages & Frameworks: Dart (Flutter), JavaScript/TypeScript (React Native, React, NodeJS), Databases (Relational/Non-relational), Python (FastAPI)

    Cloud, DevOps & AI: GCP, AWS, CI/CD Pipeline Automation, AI Harness implementation

    Architecture: Security Architecture, PCI-DSS Compliance, Multi-tenant Systems

Affiliations

  • Ardent climber and ex-climbing instructor
  • Running! Hoping to do my first marathon next year

References

References available upon request.

Timeline

Senior Software Engineer

OakNorth
2025.01 - Current

Software Engineer II

OakNorth
2022.08 - 2024.12

Full Stack Engineer

Rappid Software Design
2021.07 - 2022.08

Contract Software Engineer

Various Companies
2020.01 - 2022.08

Full Stack Engineer (Part-time)

Adeptic Ltd
2019.08 - 2021.01

Bachelor of Science - Computing Science

University of Aberdeen

Higher National Diploma - Software Development

City of Glasgow College
Ian Heinrich