Senior Software Engineering Studio

Senior engineers, directly on your project.

A small Irish team building custom software, automation and cloud systems — no bench, no account-manager layer, and AI-accelerated delivery led by senior judgment.

Talk to a senior engineer See our work

How We Staff a Project

Senior engineer, leadOwns architecture and code review
Direct communicationYou talk to the people building it
Weekly delivery cadenceVisible progress, every week
AI-assisted engineeringFaster cycles, same senior review
Claude Code Claude Code Codex Codex

Dedicated development support

Extend your capacity with senior engineers who can shape, build and review business-critical software.

End-to-end software development

From discovery to launch, we cover the product cycle with practical engineering and clear communication.

PoC, MVP and AI automation

Validate new products, workflows and AI ideas before committing to a larger build.

Cloud, DevOps and support

Improve deployment, resilience and operations for systems that need to keep moving.

CTO as a Service

Fractional technology leadership for roadmaps, architecture, delivery governance and critical technical decisions.
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Case Studies

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Illustrative cloud compliance platform shown on desktop and mobile
Cloud audit
ComplianceCloud

Cloud Audit Platform for Evidence and Control Review

Audit workflow for cloud controls, evidence packs and faster reporting across security and compliance teams.

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Illustrative conversational operations workspace with AI qualification and human handoff
AI operations
AutomationAI

Conversational Operations System for Lead and Workflow Handoff

Assistant framework for structured lead capture, workflow orchestration and human handoff powered by AI.

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Illustrative fleet platform showing work orders, vehicle maintenance and parts inventory
Operations
LogisticsIntegration

Fleet Maintenance Platform with SAP-Connected Operations

Maintenance, inventory and SAP-backed workflows for field teams managing operational equipment.

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Core Industry Expertise

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Supply Chain

Multi-party visibility across warehouse, freight and last-mile delivery, synced with the fleet and ERP systems already in place.

Focus areas
  • Fleet & Asset Tracking
  • Predictive Maintenance
  • Warehouse & Inventory Visibility
See Supply Chain & Logistics work

Financial Services

Dependable digital systems for organisations where trust, data and decisions matter.

Focus areas
  • Banking & Investment
  • Insurance, Policy & Claims
  • Payments & PCI-DSS Compliance
See Financial Services work

Logistics & Operations

Practical platforms that keep teams, inventory and field operations moving together.

Focus areas
  • Warehouse, maintenance and inventory workflows
  • ERP, SAP, TMS and fleet integrations
  • Field-team and operational visibility tools
See Supply Chain & Logistics work
More industry experience

We also have customers in these domains

SaaS & cloud platforms

Scalable applications and infrastructure designed to support new products and growing teams.

  • Multi-tenant portals and customer workspaces
  • Secure APIs, identity and billing integrations
  • Cloud operations, observability and DevOps
Discuss a SaaS & Cloud project

Why Teams Choose SISI

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How we work with clients

Teams come to us when the work needs clearer technical direction, faster execution and a partner who can keep business priorities visible throughout delivery.

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Clarity before code Discovery, scope and architecture are shaped before the build becomes expensive.
Visible delivery Progress, risks and decisions stay understandable for both technical and business leaders.
AI-assisted speed Prototyping, documentation and review cycles move faster without removing senior judgment.

Technology Stack

How we build

A focused set of proven technologies selected for product fit, scalability and reliable delivery.

Frontend

ReactReactAngularAngularVue.jsTypeScriptTypeScript

Backend

Node.jsNode.jsTypeScriptTypeScript.NET.NETPythonPythonJavaJavaRuby

Cross-platform

FlutterFlutterReact NativeReact Native

iOS

SwiftSwift

Android

AndroidKotlin

AI coding tools

Claude CodeClaude CodeCodexCodexGitHub CopilotGitHub Copilot

AI-native IDEs

CursorAntigravityWindsurf

AI app builders

LovableBolt.newv0

Latest Insights

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Cloud infrastructure visual for the Cloud Compliance insight
Cloud security

Cloud Compliance in 2026: Why “Lift & Shift” Is a Security Risk

Why lift-and-shift migrations often fail security audits in regulated industries—and what cloud-native modernization changes.

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Artificial intelligence visual for the EU AI Act insight
AI regulation (EU)

The EU AI Act: What Irish CTOs Must Prioritize

The high-risk deadline just moved to December 2027 — but transparency obligations didn't. What that split means for your roadmap.

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Legacy system visual for the Strangler Fig modernization insight
Legacy modernization

The Strangler Fig Pattern: Modernizing .NET Monoliths Without Downtime

A safer path from monolith to modern services, using API gateways to keep business delivery moving.

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About SISI Solutions

More about us

We help organisations turn complex requirements into dependable software that supports clear business outcomes.

Senior ownershipExperienced guidance from discovery through delivery.
Quality built inPeer review, version control and repeatable validation.
Clear deliveryVisible progress, documented decisions and useful handover.
Software professionals collaborating at a desktop computer
Software team working together around a computer

Platforms & expertise

We keep deepening our expertise across leading platforms and engineering tools to build secure, dependable and innovative products.

AWSCloud-native systems
Microsoft AzureEnterprise cloud
Google CloudData & applications
GitHubCollaborative delivery
DockerConsistent builds
KubernetesContainer orchestration
TerraformInfrastructure as code
GitHub CopilotAI-assisted engineering

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