SISI Software Engineering & Technology Consulting

Engineering, with a human touch.

From our hub in Ireland to the world, we build and run secure web & cloud systems: hands-on, security-minded and collaborative. You stay in control of scope, decisions and outcomes.

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View selected use cases
Custom platforms Built around critical workflows
Cloud delivery AWS, Azure and resilient operations
Secure engineering Controls designed into the build
Applied AI Useful systems, not demo theatre
Healthy collaboration
Pairing, code reviews, and security checks—built into our daily workflow.

Delivery Lifecycle

Enterprise-Grade engineering from discovery to high-availability deployment.
AI
AI-ORCHESTRATED PROJECT IDE
The entire lifecycle managed as an AI-powered workspace for maximum precision and velocity.

Cloud Services

Resilient infrastructure, multi-cloud security, and automated CI/CD pipelines.

AWS
Azure
Docker
K8s
Terraform

Modern Frontend

Pixel-perfect dashboards, reactive state management, and enterprise portal layouts.

React
Vite
Tailwind
TS
Angular

Scalable Backend

High-concurrency APIs, event-driven micro-services, and complex logic orchestration.

Node
Python
Lambda
API GW

Data & Analytics

Scalable relational engines, NoSQL hubs, and real-time analytical search clusters.

SQL Server
Postgres
Dynamo
Search
Mongo
Selected Use Cases

Selected systems, platforms and product builds.

Six examples of how SISI delivers across security, cloud, operations, payments and product engineering.

Cyber Security / Audit Delivered ACM Tool Serverless audit manager for cloud controls, evidence packs and drift alerts. Built to replace screenshot-heavy review work with a cloud-native workflow for posture checks, evidence capture and faster security reporting. Automated control reviews Evidence packs and issue queues View case study Conversational Operations Client Pilot FlowMind Multi-tenant assistant framework for structured lead capture, orchestration and handoff. A delivery blueprint for organisations handling inbound demand through messaging, with routing logic, qualification flows and human takeover where it matters. Tenant-specific orchestration Handoff and CRM workflows View case study Banking Compliance Live LAAD Compliance Report Secure reporting engine for sensitive regulatory data, validation and export workflows. A .NET reporting platform that centralises banking compliance data, reduces spreadsheet dependency and gives regulated teams a more reliable path to auditable outputs. Centralised reporting workflow Role-based access and traceability View case study Actuarial Modelling Maintenance APEX System High-performance platform for controlled scenarios, calculation runs and actuarial reporting. Built to replace fragmented spreadsheet models with a web platform for scenario control, calculation performance and clearer reporting for actuarial teams. Scenario control and traceability Large-data calculation runs View case study Fleet Operations Scaling Fleet Maintenance Maintenance and inventory platform integrated with SAP for field operations. An operations system for mechanics and planners that connects work orders, parts usage and maintenance decisions with SAP-backed operational visibility. Work orders for field teams SAP-connected maintenance flow View case study Payments Infrastructure Growth BICHECKOUT White-label gateway for tokenization, routing logic and secure checkout delivery. A payment engine designed for secure white-label delivery, combining checkout orchestration, tokenization and routing logic for partner growth. Secure tokenization and routing Partner-ready checkout foundation View case study
Direct access Technical decision-makers
Security-first Controls built into delivery
Production-minded Not demo-first engineering
Ireland-based Fast commercial response

Platforms and ecosystems we build on

Typical Entry Points

Where teams usually bring us in.

Common moments where delivery pressure, technical debt or unclear next steps start slowing the business down.

01

Legacy drag

Critical workflows depend on brittle systems that have become risky to change and expensive to maintain.

02

Cloud drift

Teams moved fast into cloud delivery, but guardrails, IAM, resilience and cost control did not keep pace.

03

AI pressure

There is real appetite to move on AI, but rollout logic, governance and integration priorities remain unclear.

How We Build

The practice behind the delivery.

Quality gates, collaboration and production-minded execution.

Read the practice

Capabilities

Core Delivery Modules. Browse selected themes through functional demos.

Scalable Systems

Custom Software Engineering

Off-the-shelf software has limits. We build the systems that give you a competitive edge. From high-frequency transactional platforms to complex legacy modernization, we engineer software that scales with your ambition.

  • Microservices Architecture
  • High Availability
  • API-First Design
  • Real-time Processing
.NET Core Node.js React GraphQL
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Cloud Infrastructure

Cloud Operations

Infrastructure as Code. We design, deploy, and manage secure cloud environments on AWS and Azure. Our focus is on resilience, cost-optimization, and automated delivery pipelines that speed up your release cycles.

  • Terraform / IaC
  • Kubernetes Clusters
  • Serverless Computing
  • 24/7 Monitoring
AWS Azure Docker CI/CD
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Mission-Critical Defense

Cyber Security

Security isn't an afterthought; it's baked into our code. We provide rigorous penetration testing, vulnerability assessments, and secure coding practices to protect your assets and maintain regulatory compliance.

  • Penetration Testing
  • Automated Scanning
  • Compliance Audits
  • DevSecOps Integration
OWASP Kali Linux Burp Suite GDPR
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Intelligent Orchestration

AI & Automation

Move beyond hype. We implement pragmatic AI solutions that automate workflows, enhance decision-making, and reduce operational drag. From RAG chatbots to intelligent process automation, we make AI work for you.

  • RAG Implementation
  • Process Automation
  • Custom Models
  • Data Engineering
OpenAI Python Vector DBs LangChain
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Need a clearer path before committing to the wrong build?

We can review the system, the delivery risk and the next highest-leverage move with you directly.

Start the conversation