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I’m Robert Hall, a full-stack software engineer with 10+ years of experience delivering production systems end to end across public and private sectors. I enjoy translating complex requirements into maintainable, type-safe architectures, with a strong focus on performance, reliability, and building comprehensive automated testing to protect code quality. I’ve led multi-year modernization projects, built secure AWS-backed infrastructure with CI/CD, and worked on real-time, high-concurrency features using React and WebSockets. Whether I’m migrating legacy systems into microservices, owning zero-downtime data migration, or engineering defenses against automated abuse, I aim to ship value continuously while collaborating closely with product, design, and test engineers.…I’m Robert Hall, a full-stack software engineer with 10+ years of experience delivering production systems end to end across public and private sectors. I enjoy translating complex requirements into maintainable, type-safe architectures, with a strong focus on performance, reliability, and building comprehensive automated testing to protect code quality. I’ve led multi-year modernization projects, built secure AWS-backed infrastructure with CI/CD, and worked on real-time, high-concurrency features using React and WebSockets. Whether I’m migrating legacy systems into microservices, owning zero-downtime data migration, or engineering defenses against automated abuse, I aim to ship value continuously while collaborating closely with product, design, and test engineers.

Robert Hall

Full Stack Developer, Software Engineer, Back-End Developer, +3

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I’m Robert Hall, a full-stack software engineer with 10+ years of experience delivering production systems end to end across public and private sectors. I enjoy translating complex requirements into maintainable, type-safe architectures, with a strong focus on performance, reliability, and building comprehensive automated testing to protect code quality. I’ve led multi-year modernization projects, built secure AWS-backed infrastructure with CI/CD, and worked on real-time, high-concurrency features using React and WebSockets. Whether I’m migrating legacy systems into microservices, owning zero-downtime data migration, or engineering defenses against automated abuse, I aim to ship value continuously while collaborating closely with product, design, and test engineers.…I’m Robert Hall, a full-stack software engineer with 10+ years of experience delivering production systems end to end across public and private sectors. I enjoy translating complex requirements into maintainable, type-safe architectures, with a strong focus on performance, reliability, and building comprehensive automated testing to protect code quality. I’ve led multi-year modernization projects, built secure AWS-backed infrastructure with CI/CD, and worked on real-time, high-concurrency features using React and WebSockets. Whether I’m migrating legacy systems into microservices, owning zero-downtime data migration, or engineering defenses against automated abuse, I aim to ship value continuously while collaborating closely with product, design, and test engineers.

Available to hire

I’m Robert Hall, a full-stack software engineer with 10+ years of experience delivering production systems end to end across public and private sectors. I enjoy translating complex requirements into maintainable, type-safe architectures, with a strong focus on performance, reliability, and building comprehensive automated testing to protect code quality.

I’ve led multi-year modernization projects, built secure AWS-backed infrastructure with CI/CD, and worked on real-time, high-concurrency features using React and WebSockets. Whether I’m migrating legacy systems into microservices, owning zero-downtime data migration, or engineering defenses against automated abuse, I aim to ship value continuously while collaborating closely with product, design, and test engineers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Software Engineer (Contract) at NatureScot

February 1, 2023 - August 1, 2026

Led the 3-year full-stack delivery and modernization of Scotland’s deer cull licensing platform, translating complex policy into a clear roadmap under strict statutory deadlines. Implemented architectural upgrades including migrating to a unified monorepo, transitioning the data layer to Prisma, and introducing end-to-end type safety. Built and maintained Terraform-managed AWS infrastructure and CI/CD pipelines, plus custom bot-defense mechanisms to protect public services against automated abuse. Owned zero-downtime data migration strategies with zero data loss and extracted shared libraries to reduce duplication across services. Accelerated delivery using AI-assisted workflows (spec/test driven with Claude Code) and mentored junior engineers, delivering internal technical talks on best practices.

Software Engineer (Contract) at Sky

June 1, 2022 - February 1, 2023

Engineered high-performance React frontends integrating WebSockets to stream live voting statistics in real time for high-concurrency broadcast audiences. Developed an enterprise image aggregation and editing application that queries multiple source APIs, enables image asset manipulation, and supports exporting processed files in a single workflow. Architected resilient WebSocket connections with dynamic reconnection logic and optimistic UI updates to maintain uninterrupted live streaming during peak broadcast events. Collaborated with broadcast engineering, product management, and UX design to align real-time capabilities with live-on-air schedules and production standards.

Software Engineer (Contract) at Cambridge Cognition

June 1, 2021 - February 1, 2022

Developed end-to-end features for CANTAB applications using React, Redux, Node.js, and AWS. Decomposed legacy Grails monolith components into performant Node.js microservices. Shipped core application functionality including a custom rich-text editor and secure email-verified password recovery workflows with rigorous unit and integration testing. Modernized frontend test architecture by replacing Karma with Jest, improving test coverage, reducing build times, and boosting developer efficiency. Extended the contract from 6 to 12 months to provide sole-developer leadership after senior team departures, owning technical delivery, managing stakeholder expectations, and mentoring incoming engineers.

Full Stack Software Engineer at Kainos (DEFRA — Imports)

December 1, 2019 - June 1, 2021

Engineered IPAFFS, the UK’s post-Brexit national import control platform for animals, food, and feed, handling high-volume statutory trade operations on Microsoft Azure. Developed robust full-stack services using Node.js, Hapi.js, Java, and Spring/Hibernate supported by Jenkins CI/CD deployment pipelines. Ensured resilience through end-to-end testing (JUnit, Selenium, Mocha) and authored comprehensive JMeter load/performance tests presented to government stakeholders. Collaborated with BA, UX, and QA teams, led sprint demos for client leadership, mentored junior developers, and contributed R&D for upcoming epics.

Software Engineer (Contract) at Kainos (DVSA — Driving Examiner Service)

February 1, 2018 - December 1, 2019

Digitized the UK’s national driving test infrastructure for the DVSA by replacing legacy paper-based evaluations with an offline-capable mobile application. Built and maintained AWS Lambda backend microservices in TypeScript to process and validate high-concurrency driving-test submissions from mobile devices. Shipped user-facing features including complex forms and real-time validation logic using Angular, Redux, and Ionic. Onboarded and supported new team members, contributed to architecture and tech-debt roadmaps, and presented regular feature demos to product owners and client leadership.

Trainee Software Engineer at Kainos

July 1, 2016 - February 1, 2018

Built and solely delivered an enterprise presales search engine using Apache Solr and Angular to enable sub-second key-term discovery across extensive document repositories. Led a company-wide intranet migration, owning requirements gathering through direct engagement with capability leads and department heads. Streamlined cross-department knowledge access and improved presales efficiency by modernizing internal search architecture and optimizing document indexing.