01
Custom software development
Applications shaped around a specific operational problem, written to be read, extended and handed over.
THE GIST BD LTD
Softwareengineeredto be kept.
We design, build and maintain business software: custom applications, web platforms, cloud infrastructure and the integrations that hold them together — written so the next engineer can understand it.
- Discipline
- Software engineering
- Practice
- Delivery & maintenance
- Language
- English
- Website
- gistbd.com
01 / The company
An engineering practice, not a software factory.
THE GIST BD LTD is an information technology company. We work with organisations that depend on software to run something real — an operation, a service, a product — and who need that software to be correct, observable and changeable over a long period.
Our work covers the full life of a system: understanding the problem, designing a structure that fits it, building in reviewable increments, verifying behaviour, releasing carefully, and continuing to maintain what has been delivered.
We are deliberate about scope. Every engagement begins with written deliverables and acceptance criteria, so progress can be judged against something specific rather than a general impression of activity.
02 / Core capabilities
Six disciplines that make up most of our delivery work.
02
Web applications and platforms
Browser-based products with considered interface design, predictable state handling and accessible markup.
03
Cloud and infrastructure
Environments defined as code, with repeatable deployments, observability and sensible cost boundaries.
04
Systems integration
Connecting applications, data stores and third-party services so information moves once and stays consistent.
05
Workflow automation
Replacing manual handovers with scheduled, event-driven or rule-based processing that can be audited.
06
Quality assurance
Automated and exploratory testing built into delivery rather than appended to the end of it.
03 / Custom software development
Built for one operation, not adapted from a template.
Custom development is appropriate when an off-the-shelf product forces a process to bend around it. We begin from the process itself: what has to be recorded, who acts on it, which rules are non-negotiable, and where the current tooling breaks down.
The resulting application is structured in clear layers — domain rules, data access, interfaces — so that a change in one area does not ripple unpredictably through the rest. Business rules are expressed explicitly in code, not scattered across configuration and UI.
Deliverables typically include the application source, automated test suites, deployment configuration, and documentation describing the domain model and the decisions behind it.
04 / Web applications and digital platforms
Interfaces that hold up under daily use.
Web platforms are where most people meet a system. We treat interface work as engineering: predictable state, honest loading and error handling, semantic markup, keyboard operability and readable contrast.
On the server side we design APIs with stable contracts, validated input and clear failure modes, so that clients — browser, mobile, or another service — can rely on consistent behaviour.
Performance is treated as a requirement rather than an optimisation phase: payloads, rendering strategy and caching are decided during design.
05 / Cloud and infrastructure
Environments that can be rebuilt on demand.
Infrastructure is described as code so environments can be recreated deliberately instead of reconstructed from memory. Staging resembles production closely enough for its results to mean something.
Deployment pipelines run tests, build artefacts and release through the same path every time, with a documented way back if a release behaves badly.
Monitoring, structured logging and alerting are configured alongside the first release rather than added after the first incident.
06 / Systems integration and workflow automation
Moving information once, correctly.
Integration
We connect applications, databases and third-party services through explicit contracts, mapping fields and meanings rather than assuming two systems use the same words for the same thing.
Reliability
Integrations are designed for imperfect conditions: retries, idempotent operations, dead-letter handling and reconciliation, so a temporary outage does not become silent data loss.
Automation
Manual, repetitive steps become scheduled or event-driven processes with audit trails, clear ownership and a defined path for the exceptions that still need a person.
07 / Quality assurance and maintainable engineering
Maintainability is a property you build in.
Automated testing
Unit, integration and end-to-end tests run on every change, with the level chosen to match the risk of the code being covered.
Code review
Every change is read by another engineer before it merges, for correctness, clarity and consistency with the existing structure.
Exploratory testing
Structured manual sessions look for the failures that scripted checks are not designed to notice.
Documentation
Setup, architecture and operational procedures live beside the code and are updated with it.
08 / Project delivery process
Six stages, each with an output.
- 01
Discovery
We map the current process, the systems already in place, the constraints that cannot move, and the outcome the work is meant to produce.
- 02
Definition
Scope is written down as concrete deliverables, interfaces and acceptance criteria, so that everyone is describing the same system.
- 03
Architecture
We choose the smallest structure that satisfies the requirements, and record the decisions and the trade-offs behind them.
- 04
Iterative build
Work is delivered in reviewable increments, each one running in an environment the client can open and try.
- 05
Verification
Automated tests, code review and structured manual checks run before anything is proposed for release.
- 06
Release and handover
Deployment is scripted and repeatable, and the documentation handed over describes how to run, monitor and change the system.
09 / Collaboration and communication
Fewer surprises, because the work stays visible.
We work in short cycles with a written summary at the end of each one: what was completed, what is in progress, what is blocked, and what changed in our understanding of the problem.
Technical decisions that affect cost, schedule or future flexibility are raised while they are still decisions, with the alternatives and their consequences described in plain language.
Work is tracked in a shared system so that priorities are explicit and the current state of delivery can be checked at any time.
Working agreements
- A written scope with acceptance criteria before build work starts.
- Regular demonstrations in a running environment, not slides.
- Change requests answered with impact on scope, structure and schedule.
- One named point of contact for technical questions.
- Source code and documentation accessible to the client throughout.
10 / Long-term support
The work continues after release.
Corrective maintenance
Investigating and fixing defects found in production, with the underlying cause addressed rather than the symptom patched.
Dependency and security updates
Keeping libraries, runtimes and platform versions current, and testing those updates before they reach production.
Performance and cost review
Watching how the system behaves as usage grows, and adjusting queries, caching or infrastructure accordingly.
Incremental improvement
Small, planned changes that keep the system aligned with how the organisation actually works today.
11 / Frequently asked questions
Answers, all visible.
- What kind of work does THE GIST BD LTD take on?
- Software engineering work: custom applications, web platforms, cloud and infrastructure setup, integrations between existing systems, workflow automation, quality assurance, technical consulting, and ongoing maintenance of software already in use.
- Can you work with software that already exists?
- Yes. A large share of engineering work involves systems that are already running. We read the existing code and configuration, document how it behaves, and plan changes that can be introduced without interrupting the people who depend on it.
- How is scope agreed?
- Scope is written as a set of deliverables with acceptance criteria before build work starts. When requirements change during delivery, the change is described, its effect on schedule and structure is explained, and the written scope is updated.
- How do you keep a project understandable over time?
- Through consistent code structure, meaningful naming, automated tests, and documentation kept in the same repository as the code. Architectural decisions are recorded with the reasoning behind them, so future changes start from context rather than guesswork.
- What technologies do you work with?
- Technology is chosen per project rather than fixed in advance. Selection is based on the problem, the systems already in place, the skills available to maintain the result, and the operational environment the software must run in.
- What happens after a release?
- Maintenance covers dependency and security updates, monitoring of errors and performance, correction of defects, and incremental improvement. The scope of ongoing support is agreed explicitly rather than assumed.
- How should an enquiry be prepared?
- Describe the outcome you need, the systems currently involved, any constraints such as regulatory or platform requirements, and your intended timeline. That is usually enough to begin a useful technical conversation.
12 / Company information
THE GIST BD LTD
Enquiries are handled by email. A short description of the outcome you need, the systems involved and your intended timeline is enough to start a technical conversation.
- Company
- THE GIST BD LTD
- jeraldinerenfro364@gmail.com
- Website
- gistbd.com