01
Direct senior collaboration
You work with the people making the technical decisions and writing the code, so context stays clear and decisions move quickly.
Software delivery for founders and SMEs
Build better software, faster.
Avantra combines 15+ years of senior engineering experience with AI-assisted workflows to build apps, platforms, websites, and automation systems faster than traditional agencies, without cutting corners on quality.
You'll work directly with senior engineers: no layers, no junior hand-offs, no vague progress updates.
Experience across
- Fintech
- Crypto
- Consumer apps
- Marketplaces
- SaaS platforms
- AI automation
- Internal business tools
How we work
Senior delivery that stays clear from day one.
You get the speed of AI-assisted workflows with the judgement, communication, and engineering discipline of experienced builders.
02
Weekly visible progress
Regular demos, clear next steps, and plain-English updates keep the work easy to follow without slowing delivery down.
03
AI-assisted delivery
AI speeds up research, scaffolding, testing support, and repetitive build work, with senior engineers reviewing the output.
04
Production-quality engineering
Architecture, security, maintainability, performance, and handover are considered from the start, not patched in at the end.
No account managers, no junior hand-offs. A direct line to the senior engineers responsible for your product.
Why clients choose us
A practical partner when software needs to ship.
Avantra is built for founders and SME teams who need senior ownership, faster delivery, and clear communication without building a whole internal team first.
Faster than traditional agencies
A lean senior team means fewer meetings, fewer hand-offs, and more time spent building the software that matters.
More senior than freelancers
You get technical judgement, delivery ownership, and production habits from people who have shipped at serious scale.
More transparent than outsourced teams
Progress is visible every week, risks are explained early, and updates are written in terms a founder or operator can act on.
Practical delivery, not endless process
We scope what should be built, ship working software, and keep improving it with real feedback instead of hiding behind process.
What we build
Apps, platforms, and tools built for real use.
Clear, practical delivery across the software most founders and growing businesses need: mobile, web, AI automation, MVPs, internal tools, and backend systems.
01 / Service
Mobile apps
Native and cross-platform apps for customers, teams, and launch-critical products, from prototype to App Store release.
iOSAndroidSwiftKotlinFlutterApp Store
02 / Service
Web platforms
Fast websites, SaaS products, dashboards, marketplaces, and full-stack web apps designed to support real users.
TypeScriptReactVueNext.jsNode.js
03 / Service
AI automations
Reliable automations for lead routing, document processing, inbox triage, reporting, and repetitive operational work.
OpenAIAnthropicRAGAgentsEvaluation
04 / Service
MVPs
Focused first versions that prove the product, avoid unnecessary build, and leave you with a base you can keep evolving.
ScopePrototypeLaunchAnalyticsIteration
05 / Service
Internal tools
Operational systems that replace spreadsheets, connect teams, automate approvals, and make day-to-day work easier to run.
DashboardsCRMWorkflowsPermissionsReporting
06 / Service
API/backend systems
The services, integrations, databases, and architecture behind your product, built clearly enough to maintain and scale.
APIsPostgresIntegrationsPaymentsCloud
Experience signals
Delivery experience from launch day to large-scale use.
Avantra brings patterns from fintech, marketplaces, consumer apps, payments, logistics, SaaS, automation, and operational systems into focused client engagements.
- Top 10 UK App Store fintech launch
- High-traffic consumer and property marketplace experience
- Payments, trading, and regulated workflow engineering
- Logistics and field operations software
- Marine communications and monitoring tools
- Internal platforms used by operational teams
Process
From idea to shipped.
A simple delivery path built for momentum: agree the shape, design the system, ship working software, then evolve it with real usage.
Engagement / Phase 03
weeks, not quarters
Marquee practice · Mobile
Mobile apps built with launch-day pressure in mind.
From first TestFlight build to App Store launch, Avantra builds native iOS, Android, and Flutter apps with the polish users expect from software they rely on every day.
- iOS in Swift / SwiftUI, Android in Kotlin, cross-platform in Flutter
- Offline-first sync, push, payments, deep linking, accessibility
- App Store, TestFlight, and Play Store delivery, including review escalations
- Performance budgets and crash-free targets baked into the build
build.ios
Specialty · AI Automation
Practical AI built in, not bolted on.
Product AI, internal agents, and reliable automations that sit between your tools and remove repetitive operational work without turning your business into a demo.
- AI systems for classification, retrieval, document understanding, and product workflows
- AI agents wired into email, CRM, documents, calendars, and internal APIs
- Workflow automation across n8n, Zapier, and custom code where it matters
- Hosted, monitored, and handed over with a clear cost-per-run model
workflow.live
Operating values
- 01
Speed with discipline
Move quickly without skipping the engineering basics that keep software reliable.
- 02
Pragmatism
Choose the simplest approach that will actually work for the business and the team.
- 03
Customer focus
Keep users, operators, and commercial reality close to every technical decision.
- 04
Modern technology
Use current tools and AI-enabled workflows where they create real leverage.
- 05
Long-term ownership
Build systems that can be maintained, handed over, and improved after launch.
About Avantra
Founded by a senior engineer who has shipped this before.
"We strip out the wasted motion - the layers, hand-offs, and months of process - not the engineering craft that makes software last."
Avantra Services is an independent software consultancy based in the UK, working with small businesses, startups, and founders who need senior engineering judgement in the room. Founded by Melvin Wijenayaka, the practice brings 15+ years of production experience across mobile, web, backend, and AI - with modern AI used to speed up the grind, not dilute the craft.
Avantra Services
Independent Engineering Consultancy
Start a conversation
Ready to build with senior support?
Book a free 30-minute discovery call. We'll clarify the goal, identify the risks, and outline the most practical route to a first useful release.