Senior Software Engineer – Resolution Life (via Toucanberry Tech) at Toucanberry Tech / Resolution Life

Migrated a reinsurance application from Go/GCP to Java/Spring Boot/AWS. Provided Java expertise to non-Java developers (design, best practices, coding conventions). Built an AI/LLM integration with AWS Bedrock to analyse contract documents for key deliverables and deadlines. Implemented a multithreaded Reactor/WebFlux solution to process AI requests in parallel and stream results to the UI via Server-Side Events. Diagnosed and fixed bugs ahead of go-live, including performance issues and resource leaks such as memory and JDBC connection leaks.

Software Engineer at Resolution Life (via Toucanberry Tech)

Migrated a reinsurance application from Go/GCP to Java/Spring Boot/AWS. Provided Java expertise to non-Java developers including design, best practices and coding conventions. Built an AI/LLM integration using AWS Bedrock to analyse contract documents for key deliverables and deadlines. Implemented a multithreaded Reactor/WebFlux solution to process AI requests in parallel and stream results to the UI via Server Side Events. Resolved critical run-up-to-go-live defects including performance issues and resource leaks (memory and JDBC connections).

Senior Software Engineer – Tesco Bank (Contract) at Tesco Bank

Owned development and maintenance for deployment tooling responsible for packaging, deployment and monitoring of applications to EC2 and Kubernetes. Led remediation of defects blocking production releases across Java, Jenkins pipelines, Terraform and AWS. Improved test coverage with a mitigation plan for future regressions. Led work to analyse the impact of separating Bank and Insurance businesses and the resulting changes required to support both entities post-separation; enforced environment access standards (e.g., Prod to Dev restrictions); migrated to a new company-wide network proxy; and replaced Splunk with Datadog for log aggregation.

Senior Software Engineer at Tesco Bank (Contract)

Delivered new feature development and maintenance on deployment tooling for packaging, deployment and monitoring of applications to EC2 and Kubernetes. Took ownership of a complex legacy codebase orchestrating Terraform, Ansible, Packer and Helm across multiple languages (Java, Groovy, Python, Shell, PowerShell). Fixed release-blocking defects spanning Java, Jenkins pipelines, Terraform and AWS. Identified gaps in test coverage and delivered a mitigation plan to reduce regressions. Led work to analyse and implement changes required for separation of Bank and Insurance businesses, enforce environment access standards (e.g., Prod to Dev restrictions), migrate company-wide network proxy, and replace Splunk with Datadog for log aggregation.

Site Reliability Engineer – TikTok (via Deloitte) at Deloitte / TikTok

Worked as SRE on Payments systems supporting a client base of 1 billion+ users. Performed incident investigation, tuned alerting, and managed deployments, outages and high-volume events in production.

Site Reliability Engineer (SRE) at TikTok (via Deloitte)

Supported Payments systems for a client with 1B+ users. Investigated incidents, tuned alerts, and managed deployments, outages and high-volume events in production environments.

Senior Java Developer – Global (DAX Ad Exchange) at Global (DAX Ad Exchange)

Led Java 17 and Spring Boot 3 upgrades; replaced Apache Camel with Spring; migrated Docker images from AWS ECR to GitHub Packages; and migrated inter-service communication from gRPC to REST. Performed security audit and threat modelling (STRIDE) and implemented Azure SAML integration along with required AWS networking/infrastructure changes. Re-architected and consolidated microservices to improve performance, increase capacity and remove complex distributed transactions. Improved observability using OpenTelemetry, Grafana, heap dumps and enhanced logging, and delivered performance tuning across JPA queries, memory leak fixes and GraphQL execution time improvements.

Senior Java Developer / Lead at Global (DAX Ad Exchange)

Led Java 17 and Spring Boot 3 upgrades; replaced Camel with Spring; migrated Docker images from AWS ECR to GitHub Packages; and migrated inter-service communications from gRPC to REST. Exposed an internal-only application to external users via security audit and threat modelling (STRIDE), Azure SAML integration, and AWS networking/infrastructure changes. Re-architected and consolidated microservices to improve performance, increase capacity and remove complex distributed transactions. Improved observability using OpenTelemetry, Grafana, heap dumps and improved logging, reducing time to diagnose production issues. Performed performance tuning (JPA queries, memory leak resolution, GraphQL query execution improvements).

Java Engineer in DevOps – Canon Medical Research Europe (Contract) at Canon Medical Research Europe

Delivered a self-service portal for developers to create and manage virtual machines, reducing provisioning time from multiple days to 2–3 minutes. Worked with the client to define requirements, groom and prioritise the backlog, demo completed functionality and provide user training.

Java Engineer in DevOps at Canon Medical Research Europe (Contract)

Delivered a self-service portal for developers to create and manage virtual machines. Reduced VM provisioning time from multiple days to 2–3 minutes. Collaborated on requirements, backlog grooming and prioritisation, delivered demos, and provided user training.

Full Stack Developer – Student Loans Company (Contract) at Student Loans Company

Built features in an application enabling internal and external users to manage student loan applications.

Full Stack Developer at Student Loans Company (Contract)

Developed an application enabling internal and external users to manage Student Loans applications.

Engagement Lead / Java Developer – RBS/NatWest (via BJSS) at BJSS / RBS / NatWest

Implemented the Open Banking Event Notification API (REST service allowing third parties to subscribe and poll for events). Developed Kotlin and Java REST services scaling to 7m+ customers, including performance testing up to 10k+ transactions per second.

Engagement Lead / Java Developer at RBS/NatWest (via BJSS)

Implemented the Open Banking Event Notification API (REST service allowing third parties to subscribe and poll for events). Developed Kotlin and Java REST services scaling to 7M+ customers. Conducted performance testing (up to 10k+ transactions per second).

Java Tech Lead – BJSS (Contract) at BJSS

Tech lead of a scrum team introducing microservices to a large legacy loan platform. Performed analysis, design and build of integration with HSBC Connect Faster Payments API.

Java Tech Lead at BJSS (Contract)

Tech lead for a Scrum team introducing microservices to a large legacy loan platform. Performed analysis and design, and built integration with HSBC Connect Faster Payments API.

Java Developer / Scrum Master – Morgan Stanley (Contract) at Morgan Stanley

Worked on Corporate Actions Renovation & MiFID II Transaction Reporting. Delivered backend services and tooling using Java/Spring Boot and supporting database and messaging components.

Java Developer / Scrum Master at Morgan Stanley (Contract)

Worked on Corporate Actions Renovation & MiFID II Transaction Reporting. Delivered features using Java/Spring Boot with database migrations, messaging and reporting components.

Java Developer – Registers of Scotland (Contract) at Registers of Scotland

Java development role (details not specified).

Java Developer at Registers of Scotland (Contract)

Java Developer – Morgan Stanley (FX) (Contract) at Morgan Stanley

Java development role focused on FX systems (details not specified).

Java Developer at Morgan Stanley (FX) (Contract)

Senior Developer – Barclays Wealth at Barclays Wealth

Senior development role (details not specified).

Senior Developer at Barclays Wealth

Software Engineer – Odyssey Financial (Temenos Group) at Odyssey Financial (Temenos Group)

Software engineering role (details not specified).

Software Engineer at Odyssey Financial Technologies (Temenos Group)

Software Engineer – SwordCiboodle (formerly Graham Technology) at SwordCiboodle (formerly Graham Technology)

Software engineering role (details not specified).