Available for remote projects
Tojo Rodialson
I build, secure and scale web applications, APIs and SaaS products — from technical audits to production-ready solutions.
Ten years of production software for startups, international organizations, and my own SaaS product, with a security background and end-to-end ownership — working remotely with teams across time zones.
React · Next.js · TypeScript · Node.js · Fastify · Go · Laravel · PostgreSQL · Stripe · S3 · Flutter
Core stack
services
Six service areas, each defined by the problem it solves rather than a list of technologies. Every engagement starts with your context — the stack you have, the constraints you face, and the outcome you need.
The problem
Your application runs in production, but nobody can say with confidence where it actually stands — code quality, dependency versions, authentication, configuration.
What I do
A structured review of the codebase, dependencies and runtime versions (PHP and other stacks), known vulnerabilities, authentication and authorization, configuration, APIs, and performance — documented findings, ranked by actual risk.
The result
A clear picture of where the application stands, and a prioritized plan for what to fix first.
PHP · Node.js · Go · Dependencies · Authn/Authz · API review
The problem
An aging stack — old PHP or Laravel, an outdated Node.js or React version — blocks upgrades, slows delivery, and makes every change riskier than it should be.
What I do
Version upgrades and dependency migrations for PHP, Laravel, Node.js and React/Next.js, refactoring where it pays off, and compatibility work that keeps the application running while it moves.
The result
A supported, maintainable stack that unblocks hosting upgrades, security patches, and new features.
PHP/Laravel upgrades · Node.js · React/Next.js · Refactoring
The problem
You need working software — a backend, an API, an interface, integrations with the tools you already use — not isolated pieces.
What I do
Web applications built end to end: backends, REST APIs, product interfaces, and third-party integrations, engineered for production from the first commit.
The result
An application in production that your team can actually maintain — documented, tested, and owned.
TypeScript · Node.js/Fastify · React/Next.js · Go · REST APIs
The problem
Turning a product idea into a real SaaS raises questions most teams meet for the first time: multi-tenancy, subscriptions, payments, storage, and what to scale first.
What I do
Design and build of the SaaS itself: multi-tenant architecture, subscription billing with Stripe, storage, and dashboards — informed by running my own SaaS in production since 2020.
The result
A product built on architecture decisions already tested against real users and real data.
Multi-tenant · Stripe billing · PostgreSQL · Next.js
The problem
Your data lives in too many places, backups are manual or missing, and repetitive work eats your team’s time.
What I do
S3-compatible storage integration, backup and archiving flows, workflow automations, and the third-party APIs that connect your systems together.
The result
Dependable data flows, recovery you can rely on, and less manual work.
S3-compatible storage · MinIO · Automations · API integration
The problem
After launch, bugs pile up, dependencies drift, and small changes wait for weeks because nobody owns the application anymore.
What I do
Ongoing bug fixing, performance optimization, dependency and security monitoring, and evolutionary maintenance with a clear process for requesting changes.
The result
An application that stays healthy in production — with one accountable engineer to call.
Bug fixing · Optimization · Dependency monitoring · Support
featured saas project
Everabyte is not client work. It is a cloud storage, backup, and data-infrastructure SaaS I designed and built myself — product, architecture, frontend, backend, and infrastructure — and have been running in production since 2020.
What the platform does
My technical role
My own SaaS — cloud storage, backup & data infrastructure
Encryption-heavy operations were the first bottleneck — moving them to dedicated Go services fixed throughput without rewriting the whole product.
Provider independence: an S3-compatible storage layer keeps Everabyte free from a single cloud vendor.
Four architecture generations (Laravel → Node.js → Go services → Next.js), each driven by benchmarks and concrete product needs.
Product screens
Click a screenshot to zoom
work
Client engagements and selected engineering. My own SaaS product, Everabyte, is featured above — these are projects delivered for organizations and companies.
World Bank · UNICEF · UNDP — via Etech Consulting · 2022 – 2024
Fund tracking for international organizations: business-critical financial workflows, multi-organization reporting, permission management, and auditability requirements. Built in Symfony with an Oracle footprint.
Symfony 5 · Vue.js · Oracle · Docker · Git
Read case study →Via Etech Consulting · 2022 – 2024
Financial transaction processing and real-time fraud detection, built with a security-aware implementation and a focus on performance.
Engineering focus
CodeIgniter 3 · PHP · Redis · MySQL
Read case study →Agricultural operations
An operational platform for agricultural activities: stock tracking per farmer, payment tracking, harvest monitoring, and operational supervision.
What it supported
Node.js · Express · PostgreSQL · React
Read case study →Nutrition data, co-founder & CTO
Laravel · MySQL · Blockchain
REST & GraphQL, OAuth2 via Keycloak
Go · MongoDB · GraphQL · Keycloak
experience
Twelve years, eight chapters — from security analyst to company founder.
2025 – Present ●
Backend applications in Go, technical audits, and modernisation of existing applications — for remote clients.
Go · Fastify · Docker · Kubernetes · AWS
current
2020 – Present ●
Cloud storage, backup, and data-infrastructure SaaS. Product, backend, and cloud architecture end to end — APIs, encryption, billing, CI/CD — plus technical team leadership.
Go · Node.js / Fastify · TypeScript · Next.js · Flutter · PostgreSQL · Docker
current
2022 – 2024
Financial ERP for the World Bank, UNDP, and UNICEF. Anti-fraud system and census platform.
Symfony · Vue.js · React · PostgreSQL · Oracle
2019 – 2021
Nutrition data management with blockchain integration.
Laravel · MySQL · Blockchain
2020
REST and GraphQL APIs in Go, OAuth2 authentication via Keycloak.
Go · MongoDB · GraphQL · Keycloak
2018 – 2019
Technical architecture design and platform development.
Laravel · MySQL · Git
2015 – 2019
Technical team supervision, project management, CRM development.
Node.js · React · Laravel
2014 – 2015
Review of internal systems and hardening of security policies.
Security audit · Training
about
For more than ten years, I have been building web applications — backend systems, APIs, and the product interfaces on top of them — across very different contexts: growing startups, international organizations, and established companies. The same standard everywhere — readable, tested code that is still easy to maintain three years after delivery.
Founder and co-founder of three technology startups, including Everabyte (cloud storage, backup, and data infrastructure), I know what it means for a product to move from MVP to scale: choices made in month 2 are paid for — or pay off — in month 24.
Certified Professional Cloud Architect (IONOS, 2025), I design lean cloud infrastructure: sized for real traffic, documented, and with no surprise costs.
stack
engineering with ai
AI coding agents are part of my daily workflow — for codebase analysis, code generation, refactoring, test generation, debugging, documentation, migration planning, and security review assistance. AI-generated code is reviewed, tested, and validated before production.
Architecture, constraints, business requirements, and existing codebase.
Give the agent explicit project rules, architecture constraints, and expected outcomes.
Implementation alternatives, code generation, refactoring, and repetitive engineering work.
Manually inspect generated changes, architecture decisions, and edge cases.
Automated tests, integration tests, type checks, linting, and security checks.
Behavior, performance, backwards compatibility, and production constraints.
Merge through normal Git and CI/CD processes.
Daily tools
Claude Code · Codex / OpenAI · Cursor · AI coding agents · MCP tools
Projects delivered before these tools existed were engineered without them — that experience is the foundation this workflow builds on. AI is an engineering multiplier here, not a substitute for engineering judgment.
pricing
Transparent starting points — every engagement is scoped and quoted before work starts.
work with me
Direct collaboration, clear communication, and practical technical solutions. Tell me about your application, your audit, or your project — I read every message and reply personally.
hello@tojorodialson.meMost production projects are hosted in private repositories. These public repositories highlight selected engineering practices, experiments, and technical work.
Your email client should have opened with the request pre-filled. If nothing happened, write to me directly: hello@tojorodialson.me