Fintech
Re-platformed a payments processor onto event-driven cloud infrastructure.
- 4× throughput
- 70% infra cost reduction
- Zero-downtime cutover
Est. Haddington · United Kingdom
Engineering
dependable technology
for modern operators.
ROCKSALT HADDINGTON LIMITED is a technology services company delivering custom software, cloud infrastructure, cybersecurity, and data intelligence across regulated and high-growth industries.
- 12+
- Yrs collective delivery
- 40+
- Products shipped
- 99.98%
- Platform uptime
01 · Company
A studio-grade engineering practice.
We partner with product teams, operations leaders and founders to plan, ship and scale digital products. Every engagement is treated as a long-term partnership, not a transaction.
Our teams bring together senior software engineers, cloud architects, security specialists and data scientists — organised in small, deeply skilled pods that stay close to the outcome.
02 · Core services
Technology services, engineered end‑to‑end.
From product discovery to secure operation in production, we cover the full lifecycle of a modern digital platform.
01
Custom Software
Bespoke platforms designed around your domain, from architecture to launch.
02
Web Development
Performant, accessible web products built with modern frameworks.
03
Cloud Solutions
AWS, Azure and GCP infrastructure engineered for scale and cost.
04
Cybersecurity
Threat modelling, hardening, monitoring and incident response.
05
Data Analytics
Warehouses, pipelines and dashboards that turn raw data into decisions.
06
API Integrations
Systems that talk cleanly: gateways, event streams and internal APIs.
03 · Industries
Sectors we understand deeply.
We work across regulated and high-growth industries where reliability, security and speed of change all matter at once.
Financial Services
Healthcare & Life Sciences
Logistics & Supply Chain
Retail & E-commerce
Energy & Utilities
Public Sector
SaaS & Product Companies
Professional Services
Manufacturing
04 · Delivery process
How software gets built here.
- 01
Discovery
Business context, users, constraints and risks made explicit.
- 02
Architecture
System design, stack choices and non-functional requirements.
- 03
Build
Iterative delivery in short cycles with continuous review.
- 04
Harden
Security, performance and observability baked in before release.
- 05
Operate
Production support, SLOs and continuous improvement.
05 · Cloud & infrastructure
Cloud platforms designed to last.
We build cloud-native platforms on AWS, Azure and Google Cloud — landing zones, Kubernetes clusters, serverless workloads, observability, cost governance and disaster recovery, delivered as code and owned by your team.
- Terraform / OpenTofu
- Kubernetes
- Serverless
- Multi-cloud
- Landing zones
- FinOps
06 · Cybersecurity
Security engineered in, not bolted on.
We help organisations reduce risk with practical, evidence-based security — threat modelling, secure SDLC, cloud hardening, detection engineering and readiness for ISO 27001, SOC 2 and similar frameworks.
Zero Trust
Identity-centric access design
AppSec
SAST, DAST and secure code review
Detection
SIEM tuning and threat hunting
IR
Playbooks and tabletop exercises
07 · Data & analytics
Turn your data into an operating advantage.
Modern data stacks that unify raw sources into trusted models teams can act on — pipelines, warehouses, semantic layers, dashboards, and applied machine learning where it earns its keep.
IngestionBatch + streaming across SaaS and databases
Modellingdbt, warehouse-native transformations
ActivationReverse ETL and product analytics
MLForecasting, scoring and applied LLMs
08 · Why choose us
Senior engineering. Honest scope. Real ownership.
Senior teams
You always work with engineers who have shipped comparable systems before.
Outcome-led
We frame work around measurable business outcomes, not activity metrics.
Transparent
Weekly working reviews, open backlogs and honest reporting throughout.
Long horizon
We build for the version of the platform you'll run in three years.
09 · Technology stack
Tools we reach for.
We are pragmatic about tooling. These are the platforms and languages we most often rely on to ship durable software.
Languages
- TypeScript
- Python
- Go
- Rust
- Java / Kotlin
- SQL
Platforms
- AWS
- Azure
- Google Cloud
- Kubernetes
- Cloudflare
- Vercel
Data & AI
- Postgres
- Snowflake
- BigQuery
- dbt
- Kafka
- PyTorch
Frontend
- React
- Next.js
- Svelte
- Tailwind
- Vite
- React Native
Security
- OWASP ASVS
- OIDC / OAuth 2
- HashiCorp Vault
- Falco
- Wiz
- Snyk
Observability
- OpenTelemetry
- Grafana
- Prometheus
- Loki
- Sentry
- Datadog
10 · Selected work
A few recent engagements.
Healthcare
Delivered a clinician-facing scheduling platform with strict data residency.
- ISO 27001 aligned
- 12-week MVP
- 3 regions live
Logistics
Built a real-time visibility layer over legacy warehouse systems.
- 120M events / day
- Sub-second latency
- 24 sites onboarded
SaaS
Modernised a monolith into typed services with observability baked in.
- MTTR down 68%
- Weekly releases
- SOC 2 Type II achieved
11 · Team & expertise
A small team of senior engineers.
Our practice is deliberately compact. Every engagement is led by engineers with production experience in the relevant domain, supported by specialists in cloud, security and data.
Product Engineering
Full-stack delivery pods
Cloud Architecture
AWS · Azure · GCP
Security Engineering
AppSec · CloudSec · IR
Data & AI
Analytics · ML · LLMs
12 · Contact
Where to reach the team.
Company
ROCKSALT HADDINGTON LIMITED
josejordan199667@gmail.com
Domain
rocksalthaddington.com