Monolith to Modular Architecture
Your monolith has outgrown your team. Releases are slow, risky, and coupled. You need a pragmatic path to modular or service-oriented architecture — without a full rewrite.
Custom Software Engineering · Spec-First · Production-Grade
Built for Scale.
Trusted by Enterprise.
We architect distributed systems, migrate monoliths to microservices, and build internal platforms that accelerate delivery. API-first design. Full observability. Production-grade from day one.
- 20+
- Years Experience
- 40+
- Projects Delivered
- $100k+
- Annual Client Savings
Trusted ByCompanies we have delivered for
Best Fit For
Built for Teams With Complex Systems.
- 01Product companies scaling beyond early-stage architecture
- 02Enterprises modernizing monoliths or fragmented systems
- 03Engineering teams improving delivery speed, reliability, and developer experience
- 04Organizations needing senior hands-on architecture plus implementation
01Selected Problems We Solve
We Fix What Slows Engineering Down.
These are the recurring patterns we see in engineering and product organizations. If any of these sound familiar, we can help.
Integration Complexity
Systems are connected with brittle point-to-point integrations, ad hoc message formats, and no clear ownership. Failures cascade and debugging crosses team boundaries.
Inconsistent APIs & Poor Contracts
Every service defines its own conventions. Clients guess at payload shapes. Validation is duplicated. Breaking changes ship unnoticed.
Platform Friction Slowing Delivery
Developers wait on infrastructure, fight unreliable CI pipelines, and work around missing tooling. The platform is a bottleneck instead of an accelerator.
Weak Observability & Operational Blind Spots
Production issues surface through user complaints. Distributed traces are absent or incomplete. There is no structured approach to SLOs, alerting, or incident response.
Rising Cloud Cost & Architecture Inefficiency
Infrastructure spend keeps climbing without a clear link to workload or value. Over-provisioned clusters, redundant services, and unoptimized data paths drive waste.
02How We Engage
Three Ways to Work With Us.
Every engagement starts with understanding your architecture and constraints. We scale involvement to match what you actually need.
Software Architecture Review
01- What it is
- A focused assessment of your current system architecture, integration patterns, delivery pipeline, and operational posture.
- When it helps
- You suspect architectural debt is slowing you down but need an independent, senior perspective to confirm priorities and risks.
- What you get
- A written findings report with a prioritized, actionable roadmap — not a slide deck, but concrete next steps your team can execute.
Fractional Architecture Leadership
02- What it is
- Ongoing senior architecture guidance embedded in your team — part-time, on a retained basis. Design reviews, decision records, and hands-on pairing.
- When it helps
- You need principal-level architecture input but cannot justify or find a full-time hire. Your team is strong but needs structured technical direction.
- What you get
- Sustained architecture coherence, fewer rework cycles, and a team that levels up through working alongside a senior practitioner.
Delivery Engagement
03- What it is
- Hands-on implementation by senior engineers who deliver production-ready code, infrastructure, and observability — not just plans.
- When it helps
- You have a clear modernization scope and need experienced builders who can own delivery end-to-end or work as a tight extension of your team.
- What you get
- Working, deployed software with clean contracts, tested boundaries, observability in place, and knowledge transferred to your team.
03Why Us
Not an Agency. A Senior Partner.
We are a small, senior consultancy. No account managers, no rotating bench, no juniors learning on your project. Every engagement is delivered by the same senior practitioners from assessment through to production — no handoffs, no surprises.
Senior Hands-On Work
No bench rotation, no junior staffing. The people who assess your system are the same people who implement the changes.
Architecture + Delivery
We do not just draw diagrams. We design systems and then build them — with production-grade testing, observability, and deployment.
Pragmatic Modernization
We do not push rewrites for their own sake. Every recommendation is grounded in your real constraints, timelines, and team capabilities.
API & Spec-First Discipline
Contracts are defined before code. OpenAPI, AsyncAPI, and JSON Schema govern boundaries — enabling generated clients, validation, and reliable integration.
Observability & Production-Readiness
Every engagement ships with structured logging, distributed tracing, metrics, and alerting. Not as an afterthought — as a delivery standard.
Full-Stack Platform Depth
Backend, frontend, infrastructure, CI/CD, data pipelines, event-driven integration. One team, coherent architecture, no handoff gaps.
Ready to Modernize Your Software Delivery?
Start with a focused architecture review. We will identify your highest-impact bottlenecks and give you a concrete roadmap.
04Case Studies
Real Problems, Real Solutions.
Selected engagements where we helped teams reduce infrastructure costs, improve system reliability, and establish cleaner architecture — with hands-on delivery, not just advice.
Modernized search for an OTP ecosystem platform — replacing a slow third-party provider with Azure AI Search via an adapter pattern, delivering annual savings in the hundreds of thousands of USD and dramatically faster search synchronization. Cut CI time from roughly an hour to about six minutes. Introduced spec-first API delivery, automated quality gates, and production-grade observability across a distributed monolith — then decomposed it into properly decoupled microservices with clear service boundaries, stabilizing reliability and strengthening security posture.
Provided senior architecture consulting for a government technology organization, advising on public cloud infrastructure design, operational practices, and platform evolution strategy.
Architected a high-throughput insurance purchase platform on Node.js microservices with Kafka-based event-driven messaging. Introduced resilience patterns and end-to-end distributed tracing — improving system reliability and giving operations real-time visibility into production behavior.
Built the foundational architecture for a scalable banking platform using Node.js and Kafka-based event-driven messaging. Delivered complex legacy system integrations and data migration — unifying fragmented data sources into a single, extensible platform designed for regulated financial operations.
Decomposed a monolithic PHP application into a clean backend API and a modular Vue.js frontend. Containerized the full stack with Docker — enabling independent deployments, clearer service boundaries, and reduced delivery friction while establishing the foundation for further service-oriented evolution.
05About Us
Senior Consultancy, Hands-On Delivery.
MONAD is a founder-led software consultancy with over 20 years of hands-on engineering experience across complex, high-stakes systems — from banking infrastructure and insurance platforms to government cloud and high-growth product companies.
We work as embedded senior engineers and architects, not as external advisors who leave you with a slide deck. The people who assess your architecture are the same people who write the code, deploy the infrastructure, and set up the observability. Every engagement ends with working software and transferred knowledge.
Spec-First Engineering
Contracts before code. OpenAPI, AsyncAPI, and JSON Schema govern all system boundaries.
Production-Grade Standards
Observability, quality gates, and automated testing are delivery requirements — not optional extras.
Pragmatic Over Dogmatic
We choose boring technology where it works and modern tooling where it matters. No hype-driven architecture.
Transparent Partnership
Honest estimates, continuous communication, and no surprises. We flag risks early and adjust course together.
Core Expertise
LM
Legacy Modernization
Incremental migration from monoliths to modular, service-oriented systems
EA
Event-Driven Architecture
Scalable, loosely coupled systems with async messaging
SF
API & Spec-First Delivery
Contract-driven development with OpenAPI, AsyncAPI, and JSON Schema
OB
Observability & Production-Readiness
Structured tracing, metrics, alerting, and SLOs from day one
CO
Cloud Cost Optimization
Right-sizing infrastructure and eliminating architecture-level waste
CS
Custom Software Engineering
Internal platforms, CI/CD, and developer tooling that accelerate delivery
06Get in Touch
Let's Discuss Your Software Engineering Challenges.
Whether you need an architecture review, a modernization roadmap, or hands-on senior engineering — reach out and we will figure out the right engagement together.
- Emailhello@monad.hu
- Phone+36 30 636 0775
- LocationGödöllő, Hungary (EU)
- EU-Based Consultancy
- Remote-First Collaboration
- English-Speaking Delivery
- Short Assessments to Long Partnerships
- Enterprise & Complex-System Experience