svc.platform
Cloud-native platforms
Containerised microservices on AWS, GCP, and Kubernetes. Portable, provider-agnostic infrastructure with CI/CD and observability wired in from day one.
Kubernetes · Terraform · Argo CD
AWS-LTD Software & platform engineering
Cloud-native backends,
engineered to hold up
in production.
Ace Web Services Ltd is the engineering practice of Steven Lawton — 20+ years building and modernising backend platforms in Go for fintech, retail, and public-sector teams working under real regulatory and reliability constraints.
// capabilities
What the practice does
Focused engineering for teams that need production-grade systems, not prototypes.
svc.backend
Go & backend engineering
High-throughput services and APIs in Go, designed for scale and resilience — event-driven with RabbitMQ and Kafka where it earns its place.
Go · gRPC · PostgreSQL
svc.modernise
Legacy modernisation
Migrating fragile .NET and PHP monoliths to maintainable microservices — improving throughput and cost without stopping the business.
.NET · PHP → Go
svc.regulated
Regulated delivery
Secure identity, secrets management, and audit-ready delivery for systems operating under PCI DSS, GDPR, and PSD2.
Keycloak · OIDC · SAST
// selected work
Deployment records
A sample of outcomes delivered for clients and partners.
retail · hot-path
clientSainsbury's · SmartShop
−40% memory
PHP → Go migration
Migrated legacy services to Go microservices and cut memory allocation on a key endpoint by 40% through profiling — reducing cloud operating costs across the SmartShop ecosystem.
Go · AWS ECS · Profiling · TDD
govtech · greenfield
clientCivica
Full platform, solo
Legacy .NET → Go
Sole engineer on a greenfield migration of a legacy .NET application to Go microservices with a React frontend — architected the plan and took it from an empty repo to running in every environment.
Go · React · Kubernetes · Argo CD
fintech · core-platform
clientBaanx
Node.js → Go core
Regulated platform redesign
Led the redesign of Baanx's core platform for scale and regulatory demand (PCI DSS, PSD2, GDPR) — rewriting critical components from Node.js/React into Go and migrating B2B and B2C customers onto it.
Go · AWS ECS · Terraform · Keycloak
payments · pci
clientRS Components
Replaced legacy SAP
Internal payment service
Delivered a new internal payment service to replace legacy SAP components — PCI and PSD2 compliant — as Java 11 / Spring Boot microservices in a high-scale cloud environment.
Java · Spring Boot · AWS · Kong
// contact
Available for contract & consulting engagements.
Have a system that needs building, modernising, or scaling? Get in touch.