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Just Understanding Data Available

Software Developer Buckinghamshire, United Kingdom ★ ★ ★ ★ ★ 5.0 (34 on Google)

Just Understanding Data delivers production-grade AI infrastructure, custom full-stack SaaS applications, and scalable backend data engineering for organizations throughout Buckinghamshire and the wider UK.

About

Enterprises and tech scale-ups frequently encounter the same painful bottleneck: software prototypes and artificial intelligence agents that shine in controlled demonstrations but fail under real production traffic. Just Understanding Data tackles these operational breakdowns directly, specializing in engineering software systems that survive live concurrency, complex rate limiting, and heavy data loads. Founded by systems engineer and O'Reilly author James Phoenix, the practice provides clients in Buckinghamshire and London with seasoned technical execution across the entire software stack, eliminating the miscommunication and friction typical of multi-layered development agencies.

Project engagements typically begin by diagnosing structural vulnerabilities in a client's architecture or mapping out a complete product build from the ground up. Whether architecting a type-safe FastAPI Python backend with bounded concurrency or deploying full-stack React and Next.js applications, the engineering lifecycle prioritizes observability and test coverage right from the initial commit. When implementing agentic engineering and Retrieval-Augmented Generation (RAG), the focus shifts to designing reliable control loops, tool invocation guardrails, context chunking, and programmatic evaluation suites. This thorough approach ensures language models retrieve actual company data accurately rather than generating erratic outputs under edge cases.

Every production pipeline is fortified with automated testing infrastructure, infrastructure-as-code deployments, and multi-tenant data isolation using row-level security. Rather than passing off fragile prototypes, solutions are delivered with full observability dashboards, rate limiting, and alert policies tuned to minimize operational noise. For organizations needing senior technical oversight, the consultancy also supplies fractional AI leadership retainers to steer architectural governance, mentor development staff, and establish reproducible developer environments.

Organizations preparing to commission custom software builds or AI infrastructure should assemble their initial API specifications, repository access, and baseline functional requirements prior to scheduling an initial discovery consultation. Because engagements involve direct, hands-on architectural design and implementation by a principal engineer, client projects are scheduled with dedicated lead times to ensure uninterrupted development cycles.

Services & Packages

Starting rates and standard packages offered by Just Understanding Data:

Full-Stack SaaS Product Engineering

End-to-end development of modern web applications using Next.js, TypeScript, Stripe billing, authentication, and automated testing.

Rate
From £4,500 fixed

Production Agentic Engineering & RAG

Architecting reliable AI agents featuring custom context engineering, automated evaluation suites, guardrails, and tracing.

Rate
From £3,500 fixed

Scalable Python Backend Architecture

Type-safe FastAPI and async Python microservices built with bounded concurrency and structured test suites.

Rate
From £2,800 fixed

Data Engineering & Pipeline Development

ETL pipeline construction, multi-tenant databases with row-level security, and query optimization for low-latency retrieval.

Rate
From £3,000 fixed

Fractional AI Leadership Retainer

Part-time strategic leadership offering architectural audits, coding agent infrastructure setup, and team mentorship.

Rate
£2,400 - £4,800/mo fixed

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Just Understanding Data delivers production-grade AI infrastructure, custom full-stack SaaS applications, and scalable backend data engineering for organizations throughout Buckinghamshire and the wider UK.

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