Product UI
SaaS product team
Rebuilt dashboard flows, tightened component states, and made complex product screens feel fast and composed.
Anonymized client
Frontend + backend development
Gratum*
Gratum builds sharp product interfaces and resilient backend systems for teams that need the whole product to feel aligned.
Frontends
Product interfaces
Backends
APIs, data, auth, infra
Full stack
Design systems to deployment
Delivery
Clear scope, fast iteration
System visual
Frontend craft connected to backend depth.
01 / Product UI
Frontend surface
The product interface comes first: responsive screens, states, forms, and component systems built for real workflows.
01
Frontend surface
02
Typed API layer
03
Backend core
04
Data and workflow
05
Release path
Selected client work
Real project patterns, shown without pretending at fake logos.
Most client details stay private. These snapshots show the kinds of teams Gratum supports when interface quality and backend reliability need to move together.
Internal tools
Operations group
Built admin workflows for day-to-day operators: structured forms, reporting views, and cleaner handoffs.
Anonymized client
Backend
Platform build
Shaped auth, permissions, database models, API contracts, integrations, and background jobs into one system.
Anonymized client
Release
Founder-led launch
Hardened launch paths with preview environments, performance cleanup, deployment checks, and production support.
Anonymized client
Proof library
Read the project patterns behind the service pages.
Anonymized case studies show the frontend, backend, internal tool, integration, and MVP work Gratum is built to handle.
Services
Frontend craft and backend depth under one roof.
Gratum is built for the hard middle of software projects: turning a product idea into a usable interface, connecting it to reliable systems, and keeping the result understandable enough to keep improving.
Frontend development
Interfaces that feel fast, considered, and durable across every screen size.
- Design systems and reusable component architecture
- Responsive interfaces with motion that supports the workflow
- Performance work across loading, rendering, and interaction
outputs: UI systems, SaaS dashboards, portals, app shells
View frontend developmentBackend development
Backend foundations built for product velocity without fragile shortcuts.
- API contracts, database modeling, and service boundaries
- Authentication, authorization, integrations, and job pipelines
- Observability-minded delivery that survives real usage
outputs: APIs, admin systems, data flows, workflow engines
View backend developmentCold Email Services
B2B cold email outreach systems built and managed to predictably generate qualified meetings.
- Targeted list building and message copywriting
- Infrastructure setup (domains, inboxes, deliverability)
- Campaign management and automated follow-ups
outputs: Lead lists, email sequences, active campaigns, booked meetings
View cold email servicesFind the right fit
Dedicated pages for the work clients usually search for.
Frontend Development
Gratum builds polished frontend systems for dashboards, portals, SaaS products, internal tools, and customer-facing web apps.
Backend Development
Gratum builds backend systems that give product teams a stable foundation instead of a pile of fragile endpoints.
Next.js Development
Gratum builds Next.js applications that combine polished interfaces, server-side functionality, API routes, forms, and deployment-ready structure.
API Development and Integrations
Gratum designs and builds API integrations that keep business workflows connected without brittle manual handoffs.
Custom Web App Development
Gratum builds custom web apps for operations, customer portals, admin workflows, reporting, and productized services.
Startup MVP Development
Gratum helps founders shape, build, and launch MVPs with the right balance of speed, interface quality, and backend structure.
Cold Email Services
Gratum builds and manages cold email systems that get your message in front of the right decision-makers at scale.
Next.jsReactTypeScriptNodePostgresAPIsAuthWorkersDesign systemsObservabilityNext.jsReactTypeScriptNodePostgresAPIsAuthWorkersDesign systemsObservability
Method
A build process that treats polish and reliability as the same job.
The same decisions that make an interface feel clear also make a system easier to operate: strong boundaries, careful states, and fewer surprises.
Shape
01 / 04Turn loose requirements into a crisp product path, architecture notes, and first sprint targets.
Build
02 / 04Create the interface and backend in parallel with typed contracts and visible checkpoints.
Harden
03 / 04Tighten accessibility, loading states, edge cases, auth rules, and deployment behavior.
Launch
04 / 04Ship with a maintainable handoff, clear runbook, and space for the next iteration.
Systems
Built as one product surface, not disconnected layers.
Frontend surface
Screens, components, states, motion
Navigation clarity
Form and workflow states
Responsive product shells
Typed contract
The shared language between interface behavior and backend guarantees.
event -> validate -> persist -> notify
Backend core
APIs, data, jobs, integrations
Authorization rules
Database and queue flow
Monitoring-ready endpoints
Product UI
High-fidelity React and Next.js builds with deliberate interaction states.
Application core
Service layers, API routes, data models, and integration boundaries.
Design systems
Reusable patterns that keep teams shipping without visual drift.
Release flow
Build pipelines, preview environments, and deployment confidence.
Contact