Joshua Gray
Platform Engineer with 4+ years' engineering experience across platform and full-stack roles
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About
Platform Engineer with 4+ years' engineering experience across platform and full-stack roles, with commercial delivery leadership in between. Deep in Azure infrastructure, Terraform, Kubernetes, and CI/CD in regulated government environments; production software delivery in Java and TypeScript. Active SC and NPPV3 clearances.
Experience
Platform Engineer & Delivery Lead at Reply Solirius (2024-09 – Present)
Platform Engineer at Home Office (2025-01 – Present)
Migration of an international law enforcement intelligence platform used by UK police forces and international partner agencies. Infrastructure engineering and acting Delivery Manager for a 13-person cross-functional team.
- Migrated environment network architecture from full mesh to hub-and-spoke topology using Terraform — Azure Firewall policy, spoke VNet peering, private endpoint DNS resolution, and UDR-based routing across multiple subscriptions
- Proved HSM-based encryption with customer-managed keys for a data sovereignty initiative — extending the existing Terraform deployment pattern by integrating Ansible into the Terraform runtime, enabling OS-level configuration and cryptographic initialisation to gate environment provisioning
- Automated VM provisioning and orchestration at scale in air-gapped environments — building private installer and Chocolatey repositories for estates without outbound internet access, with Ansible-driven software detection, installation, and licence assignment across the estate
- Deployed and administered Ansible Automation Platform (AAP) with ServiceNow integration — self-service job execution with full audit trail for change management
- Delivered Terraform workflows for self-service virtual workstation setup and teardown, reducing infrastructure team overhead per deployment
- Restored delivery confidence following client escalation — sprint replanning, backlog prioritisation, and direct stakeholder communication to recover missed milestones
Software Engineer at HMCTS (Ministry of Justice) (2024-01 – 2025-01)
Production delivery across three services: Private Law case orchestration (Java 21 / Spring Boot), the SSCS tribunals shared library, and citizen-facing Node.js frontends — all deployed to AKS via Jenkins CI/CD.
- Built a secure data export pipeline for UK police services — a Kubernetes CronJob extracting court order PDFs and metadata, generating configurable CSV manifests with automated confidential-data redaction, packaged into encrypted zips; replaced a manual process and serves multiple police forces
- Extended the SSCS shared Java library to enable Northern Ireland postcodes and venues across the HMCTS tribunals platform — enabling NI claimants to access SSCS for the first time, including the Infected Blood Compensation scheme serving hundreds of thousands of claimants
- Delivered full-stack feature coverage across backend APIs, Helm charts, Elasticsearch queries, and caseworker and citizen frontends — including feature-flagged rollouts serving public users in family court proceedings
DevOps Engineering Consultant at Sparta Global (2024-04 – 2024-08)
Delivered cloud infrastructure across AWS and Azure — provisioning VMs, networking, autoscalers, and load balancers via Terraform and Ansible, spanning EC2, VPC, ECR, ECS, DynamoDB, Lambda, and IAM on AWS alongside Azure infrastructure; contributed to a cloud replatforming engagement at HMRC
Commercial Partnerships Manager at Code First Girls (2023-01 – 2024-03)
Enterprise partnerships across Defence, Healthcare, and Consultancy.
Enterprise Account Director at QA (2021-01 – 2023-12)
£2.3M revenue across FTSE 100 and Defence technology training and consulting clients.
Head of Sales & Partnerships at Northcoders (2019-12 – 2021-01)
Senior leadership with 8 direct reports; B2B partnerships and client delivery.
Full Stack Engineer & Tutor at Northcoders (2017-12 – 2019-12)
Built and shipped production web applications in JavaScript, Node.js, TypeScript, Express, and PostgreSQL; deployed to AWS using EC2, S3, and Lambda with Nginx as a reverse proxy; mentored junior developers and contributed to curriculum
