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Solutions  /  Engineering

We build maintainable software.

Most software gets judged at launch. We design for the real demands it will face in year five.

01
Our software engineering approach
We plan your system for years of use and change.

We plan software for long term maintenance and change. By the third year, a working system can become difficult to update when decision makers leave or dependencies lose support. A day's change can take a quarter, though failure rarely appears at launch. IEEE Computer Society research puts maintenance at 60 to 80 percent of total lifecycle cost. Most software spending comes after your initial system goes live.

We plan your system for changing demands before writing the first line of code. It needs to support more users and new regulations, and adapt when your business changes direction. We document how the architecture will meet those demands and the tradeoffs each choice involves. These decisions concern a future we cannot fully predict. Recording the reasoning lets your team understand why the system was designed that way as requirements change.

We write decisions where the next engineer can find them, and test the edge cases where systems tend to fail. We assign engineering responsibility for each part of your system. These are established engineering practices, applied consistently to all our work. Following them without exceptions remains uncommon. That consistency makes most of the difference between software your team can keep using and software you eventually have to replace.

02
Software engineering standards

The engineering practices that keep your software maintainable as demands change.

Our six software engineering standards

01
Documented architecture decisions

We record every architecture decision, the alternatives considered and why we chose it.

02
Tests for failure paths

We focus test coverage on failure paths rather than only checking normal use.

03
System delivery management

One engineering lead manages your whole system from first build to delivery.

04
Dependency selection and reviews

We select external code by maintenance history, pin versions deliberately and schedule regular reviews.

05
Tested rollback procedures

We test rollback for each deployment, so you can reverse it within minutes.

06
Documentation during development

We write documentation and runbooks throughout development, ready for your team to take over.

03
The evidence

Figures carry their source and year.

Software maintenance and technical debt

$3.61

The later repair cost for every dollar of technical debt left unresolved.

CAST Research Labs, 2025
60-80%

Share of total software lifecycle spending on maintenance rather than building the original system.

IEEE Computer Society and ISBSG benchmark data
40%

Software projects that miss some or all objectives, with 19 percent being cancelled outright.

Standish Group Chaos Report, 2025
04
The practice

We manage each service through its specialist practice.

Our nine software engineering services

01
Custom application development

We build web and mobile software for one business process, without adapting templates.

02
Legacy modernization

We move old platforms to current architecture while the business using them continues to operate.

03
Architecture and due diligence

We first decide how to build your system and what later changes will cost you.

04
Integration and APIs

We connect new software to the systems your business relies on and must keep running.

05
Cloud infrastructure

We build cloud environments that scale under real load and stay available through heavy traffic.

06
Quality engineering

We automate testing in your delivery pipeline instead of checking by hand at completion.

07
Security and compliance

We design security and compliance for regulated and sensitive data into systems from the start.

08
Ongoing maintenance

We keep your system working well through year five, beyond the initial delivery.

09
Embedded technical leadership

Our senior engineers work within your team, applying your standards to your codebase.

Working with our team

We build software your team can maintain and change.

05
Working together

Planning your engineering project

“Custom software builds always exceed the budget and deadline.”

Two problems usually cause overruns. Unscoped discovery leaves unknowns until the build, and irregular decisions leave engineers waiting. We estimate your project after a paid discovery phase. We also schedule regular decision meetings with your designated decision maker to avoid delays in approval. Estimates can still change as work progresses. When they do, we give you the revised figure that same week, so you hear about it before completion.

“We may never be able to change vendors.”

You own the code and IP from the first commit, and repositories sit in your organization. Your contract sets delivery dates for documentation, architecture records and a written handoff plan. We judge our work by whether another team can take over the system without calling us. You should have that choice, even if you never need to use it and continue working with us.

“The system may fail as we grow or our requirements change.”

A system designed only for this year's specification will struggle with later demands. We plan for five years and document the tradeoff in every architecture decision. You see what each choice costs now and what reversing it would cost later. We deliberately keep some choices inexpensive and easy to reverse. Others require more investment to last. We explain which approach we chose and why it suits your system.

“Our last agency built a system we could not understand or maintain.”

That often happens when a team is paid to deliver code without explaining its decisions. We record decisions as we make them and review code for readability by a new engineer. Your engineers join our reviews from week one, so they understand the system before handover. Our work is only complete when your team can maintain the software we have built for you.

“With AI coding tools, we no longer need a capable engineering partner at all.”

We use AI to write functions, translate modules and generate test suites faster. These mechanical tasks have changed, but the causes of system failure remain. Architecture still requires judgment, as does integration with undocumented systems and deciding what should be configurable. Generated code costs little to produce and much more to maintain. Your project still needs someone to decide which code belongs in the system at all.

06
Questions

Questions about software engineering

How does this compare with hiring your own team or using a staffing agency?

A staffing agency provides people and charges for their time, leaving the results to you. We take responsibility for your system's architecture and test coverage, along with documentation and its operation in year three. Your own team can do this well and is often the right choice. Building that team also means establishing recruitment, career progression and internal standards. That takes time your project may not have, which is where our service differs.

How do you replace a system while keeping it running throughout all of the changes?

We replace it gradually, keeping a way to reverse every step. Usually we use a strangler pattern. A routing layer sends one capability at a time to the new system while the old system handles the rest. Each cutover is small enough to reverse in minutes. Replacing everything in one night concentrates all the risk in an event you cannot control, which is why those replacements fail.

Who actually writes the code?

Senior engineers handle work where wrong decisions are costly, including data models, integration boundaries and code involving money or personal data. Less experienced engineers build the remaining parts under review and develop their skills through that work. The senior people in our proposal do the work assigned to them. We do not replace them with juniors. Ask any vendor to name your engineers and then check those commitments are kept.

What does testing look like before something reaches production?

We write tests as we build each feature. Edge cases and failure paths get priority because production encounters problems a demo does not show. We run unit and integration tests, plus contract tests at system boundaries. Load tests use realistic traffic, and staging closely reflects production. These checks give your team evidence of how the system behaves. We consider failures in the previous release a better indicator than coverage percentage alone.

What happens when key people leave midway?

Written decisions allow a planned handover when someone leaves. Without them, losing the only person who knows why the system works that way becomes an incident. We give every part of your system an owner and a second engineer who can take over. We keep written architecture records so the reasoning stays available to your team. With that information in place, onboarding takes days rather than weeks when a replacement joins.

How do you handle security and compliance?

We include security and compliance in the architecture. Before writing the schema, we agree data classification, access boundaries and encryption, along with audit logging and retention rules. Adding these later requires schema changes. For regulated systems, we map every compliance requirement to specific engineering controls in your design document. Auditors can then follow each rule through to the code that enforces it.

Talk to us about your system's main problem.

Share your architecture or backlog, or describe the problem you face, and we will explain how we would address it.

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