Government & public sector
Citizen portals, records digitisation and inter-agency integration at national scale.
statusAvailable for new projectsEngineering studio · Dhaka
Software that ships, and keeps working.
We build large-scale mobile applications and full-stack web platforms — scoped, built, launched and run by the same small team of senior engineers.
- To your first working release
- 3 weeksTo your first working release
- Release cadence, every project
- FortnightlyRelease cadence, every project
- Source and IP handed to you
- 100%Source and IP handed to you
- Reply to every enquiry
- 1 dayReply to every enquiry
app.yourcompany.commain
Release 14passing
- Scope agreedweek 1
- Build in progressfortnightly
- Shipped to productionweek 3
- Monitored and on callongoing
Deploys per sprint+38%
124,908
p95 latency128 ms
last deploy4 min ago
Named engineers, start to finish
The people who scope your project are the people who write the code. No handover to a junior pool.
Working software every fortnight
A release you can open and use from week three, not a status report and a demo at the end.
Your code, your infrastructure
Full source, documentation and cloud accounts in your name from day one, handed over whenever you ask.
How we build it
TypeScriptReactNext.jsFlutterReact NativeTailwindNode.jsNestJSGoJava Spring.NETPythonDjangoPostgreSQLSQL ServerMongoDB
RedisElasticsearchKafkaAWSAzureKubernetesDockerTerraformGitHub ActionsPyTorchLangChainOpenAIPower BIMetabaseTimescaleDB
What we build
One engineering partner, end to end
Discovery through to production support. You get a named team, a public roadmap and a release every fortnight.
01 / 09
Custom software development
Bespoke platforms built around how your organisation actually works, not around a template.
- Discovery and technical scoping
- Domain-driven architecture
- Fortnightly releases
- Handover with full source and docs
Mobile app development
02 / 09Native and cross-platform apps for iOS and Android, shipped to both stores and maintained after.
Web platforms & portals
03 / 09High-traffic public portals and internal tools that stay fast under real load.
Enterprise systems & ERP
04 / 09Finance, inventory, HR and procurement modules integrated into one system of record.
Cloud & DevOps
05 / 09Infrastructure as code, CI/CD pipelines and observability so releases stop being events.
AWS, Azure and on-premiseKubernetes and containerisationAutomated pipelines and rollback
AI & data engineering
06 / 09Document processing, forecasting and search built on your own data, with the accuracy measured.
UI/UX design
07 / 09Research, prototypes and a design system your engineers can build from directly.
QA & security testing
08 / 09Automated regression suites and penetration testing before anything reaches production.
Dedicated teams
09 / 09Engineers who work as part of your team, in your timezone, on your board.
Where our experience sits
Large-scale mobile and full-stack web
ZeroLag IT is a new studio, so we will not show you a portfolio of other people’s logos. What we can tell you is exactly what our engineers have built before, and the ground we are set up to cover.
01 / 04
Large-scale mobile applications
Consumer apps built to hold real load: hundreds of thousands of installs, patchy networks, and a release process that survives store review.
Flutter and React NativeNative Swift and KotlinOffline-first syncPush and deep links at volumePhased store rolloutCrash and performance monitoring
02 / 04
Full-stack web development
One team from database to pixel — typed end to end, server-rendered where it matters, and fast on the connections your users actually have.
TypeScript across the stackNext.js and ReactNode.js, NestJS and DjangoPostgreSQL data modellingWCAG 2.2 AA accessibilityCore Web Vitals budgets
03 / 04
APIs, integrations and backends
The layer everything else depends on: clean service boundaries, third-party integrations that fail safely, and permissions you can audit.
REST and GraphQL APIsEvent-driven servicesPayment gateway integrationRole-based access and audit trailsLegacy system integrationData migration
04 / 04
Cloud, delivery and reliability
Infrastructure as code and pipelines from the first commit, so releasing is routine and a rollback is a button rather than an incident.
AWS and AzureDocker and KubernetesCI/CD with automated rollbackLoad and soak testingMonitoring and alertingPost-launch support
Ask us on the first call and we will walk you through architecture decisions and code from work we have shipped, as far as our confidentiality agreements allow.
How we work
From first call to production in weeks
No discovery phase that bills for three months and produces a slide deck. You see running software in the third week.
- 01
Scope
A week of workshops that ends with a written technical scope, a fixed team and a first-release date you can hold us to.
- 02
Design
Interactive prototypes and a design system before a line of production code, tested with your actual users.
- 03
Build
Fortnightly releases into a staging environment you can use, with a demo at the end of every sprint.
- 04
Launch
Load-tested, penetration-tested and rolled out in cohorts, with rollback rehearsed before it is ever needed.
- 05
Run
Monitoring, on-call and a quarterly roadmap. Or a clean handover with full source and documentation.
Where we work
Sectors we build for
The domains our engineers have worked in and the ones we are equipped to take on. If yours is not here, tell us on the first call and we will say honestly whether we are the right fit.
Banking & fintech
Core-adjacent platforms, mobile banking, payments and trade finance automation.
Healthcare
Patient records, telemedicine, diagnostics workflow and clinic operations.
Logistics & mobility
Fleet telemetry, route optimisation, warehouse systems and last-mile tracking.
Manufacturing
ERP, production planning, quality systems and plant-floor integration.
Retail & e-commerce
Marketplaces, inventory and checkout systems built to survive a festival peak.
Education
Learning platforms, assessment, proctoring and student information systems.
Telecom
Subscriber self-service, billing integration and network operations tooling.
Who we are
An engineering studio, not an agency
ZeroLag IT is a new studio, started by engineers who spent their careers building large-scale mobile applications and full-stack web platforms inside other people's companies. The name is the promise: no lag between a problem being understood and it being fixed.
We are deliberately small and deliberately senior. The engineer who scopes your project is the one who writes the code, you get a release every fortnight rather than a status report, and the source, documentation and cloud accounts are yours throughout — not at the end, if you ask nicely.
Named engineers, no rotation mid-project
A working release every fortnight from week three
Full source, documentation and infrastructure in your name
Fixed team and rate, capacity-based rather than fixed-scope
MobileiOS and Android, built for scale
WebFull-stack platforms and portals
CloudAWS, Azure and Kubernetes
SupportWe stay on after launch
Questions we get asked
The things people ask on the first call
If yours is not here, ask it directly — you will get a straight answer from an engineer, not a proposal.
Because the engineers are not new. We have built large-scale mobile apps and full-stack web platforms inside other companies for years; what is new is the studio. Ask us on the first call and we will walk you through architecture decisions and code from that work, as far as our confidentiality agreements allow. We would rather you judge us on that than on a logo wall.
Get in touch
Where to find us
An engineer replies within one working day. No qualification script, no call centre.
Sunday to Thursday, 09:00–18:00 (GMT+6)
Tell us what you are trying to build
A 45-minute call with the engineers who would do the work, not a salesperson. You leave with a rough scope and an honest view on whether we are the right fit.