AgenticAI Solutions
We design and build enterprise-grade AI agents and assistants that automate processes, use enterprise knowledge, connect to APIs and tools, support human approvals and run on governed AI platforms.
About Sunesis
Enterprise software engineering for AgenticAI, APIs and digital platforms
Sunesis is a Slovenian software engineering company focused on enterprise AgenticAI, digital solutions, API ecosystems, cloud-native architectures, DevOps and Kumuluz platforms.
Founded in 2014, we help organizations design, build, integrate and operate secure, scalable and business-critical software systems.
We work with organizations that need more than development capacity — they need architecture, engineering depth, integration expertise, platform thinking and production experience.
Trusted by
Engineering complex digital systems for enterprise environments
Sunesis helps organizations turn complex technology challenges into reliable digital solutions.
Our work spans AgenticAI platforms, enterprise AI assistants, digital platforms, API ecosystems, integrations, workflow automation, cloud-native architectures, DevOps foundations and research-driven innovation.
We design and build systems that support customer channels, internal operations, partner ecosystems, business process automation, data-driven services and long-term modernization.
Our role is not limited to implementation. We help clients define architectures, connect systems, introduce reusable platform foundations, improve delivery practices and operate software in production environments.
What we do
Our work is focused on five expertise areas where deep technical knowledge, enterprise experience and reliable delivery matter most.
Digital Solutions Development
We develop complete digital solutions — backend systems, web applications, native mobile apps, portals, APIs, integrations and workflow-enabled business applications.
Cloud-native & Edge Architectures
We help organizations design and modernize cloud-native, microservice, API-first, event-driven and edge-fog-cloud architectures.
API Ecosystems & Integrations
We design API ecosystems, API management foundations, Business APIs, partner integrations, event-driven architectures and AI-agent-ready API layers.
DevOps & Platform Engineering
We build DevOps and platform engineering foundations for secure, automated and production-grade software delivery across cloud, hybrid and enterprise environments.
The company behind Kumuluz
Sunesis is the company behind the Kumuluz product family — platforms and accelerators for AgenticAI, API management, reusable Business APIs, cloud-native digital platforms and AI-enhanced crowdsensing.
Kumuluz reflects our engineering philosophy: open, modular, cloud-native, reusable, integration-ready and designed for enterprise environments.
From KumuluzEE, the award-winning open-source microservice framework, to today’s KumuluzAI platform, Kumuluz represents our commitment to building technology foundations that others can build on.
Today, Kumuluz helps organizations move from isolated AI, API and digital initiatives toward reusable platform foundations for agents, services, workflows, data and smart automation.
How we work
Architecture-first
We start with the business and system context, then design architectures that can be implemented, secured, observed, operated and evolved.
Engineering depth
Our teams bring strong expertise across backend, frontend, mobile, integrations, cloud-native systems, DevOps, AI, APIs and platform engineering.
Enterprise reliability
We build systems for environments where security, scalability, integration, observability, auditability and maintainability are essential.
Integration mindset
Most enterprise systems need to connect with existing platforms, identity providers, APIs, workflows, data sources and operational processes. We design for that reality.
Platform thinking
We help organizations avoid isolated one-off solutions by creating reusable services, APIs, Business APIs, workflows and platform foundations.
Pragmatic delivery
We focus on working software, iterative progress, realistic modernization paths and production readiness.
Long-term partnership
We often work with clients across multiple projects and technology generations, helping them evolve their digital capabilities over time.
Where we work
Sunesis works with organizations in industries where technology must be reliable, secure and deeply integrated with business processes.
Banking & Financial Services
Digital banking, KYC, secure customer journeys, compliance workflows, API ecosystems and enterprise integrations.
Insurance
AgenticAI, process automation, integration platforms, Business APIs, knowledge-driven systems and secure digital services.
Public Sector
Case-management systems, secure workflows, digital administration, document-heavy processes and enterprise information systems.
Energy & Utilities
Operational platforms, customer engagement solutions, integrations, DER interoperability and business-critical systems.
Manufacturing & Premium Brands
Digital portals, customer experiences, partner services, digital presence and enterprise workflows.
Blockchain & Web3 Infrastructure
DevOps, platform engineering, automation, Kubernetes-based operations and production-grade infrastructure support.
Open Source & Linux Foundation Ecosystems
Open-source engineering, foundation ecosystems, interoperability, agricultural traceability and energy infrastructure projects.
Technology & Research
Cloud-edge, AI, IoT, cybersecurity, data platforms and international research and innovation projects.
Open-source and innovation mindset
Sunesis combines enterprise delivery with open-source contribution and research-driven innovation.
Our teams do not only use open-source technologies — we help build open-source solutions that can evolve through international communities.
Projects such as INATrace and CUPID demonstrate our ability to develop complete, production-oriented solutions that become part of broader Linux Foundation ecosystems.
In parallel, our participation in European research and innovation projects keeps us close to emerging technologies in AgenticAI, cloud-edge architectures, IoT, cybersecurity, data spaces, distributed systems and energy-aware digital infrastructure.
Recognized expertise
Sunesis and the Kumuluz product family have received national and international recognition for innovation in cloud-native and enterprise technologies.
KumuluzEE received the Java Duke’s Choice Award at JavaOne, and Sunesis has also been recognized with the EuroCloud Award and Slovenian Start:up of the Year finalist recognition.
Our team also brings recognized expertise and certifications across Java, cloud computing, enterprise architecture, SOA, project management and innovation management.
Why organizations choose Sunesis
Senior engineering expertise
We bring experienced teams that understand enterprise software, integrations, APIs, cloud-native systems, DevOps, AI and production delivery.
Ability to connect business and technology
We understand how to translate business needs into architecture, software systems, APIs, workflows and operational platforms.
Integration strength
Many of our projects involve connecting existing systems, APIs, event streams, data sources, workflows, digital channels and users.
Proven references
We work with organizations in banking, insurance, public sector, energy, manufacturing, blockchain infrastructure, open-source ecosystems and research.
Own platforms and accelerators
Our Kumuluz product family helps accelerate delivery and demonstrates our platform-building capability.
Production mindset
We build software that must operate reliably — with security, observability, deployment, auditability and supportability considered from the beginning.
Sunesis at a glance
A specialized software engineering company
Sunesis was founded in 2014 and has grown into a specialized software engineering and technology company focused on enterprise digital solutions, AgenticAI, APIs, cloud-native architectures and DevOps.
Architects, engineers and AI experts
Our team brings together 40+ software engineers, architects, DevOps specialists, AI experts and integration specialists with experience in complex enterprise environments.
Platforms and accelerators
Sunesis is the company behind the Kumuluz product family — platforms and accelerators for AgenticAI, API management, Business APIs, cloud-native digital platforms and crowdsensing.
Recognized innovation
KumuluzEE received the Java Duke’s Choice Award, and Sunesis has also been recognized with the EuroCloud Award and as a Slovenian Start:up of the Year finalist.
Enterprise, open-source and R&I experience
We work with enterprise clients, open-source ecosystems, Linux Foundation projects and international research and innovation consortia.
Looking for a technology partner for complex digital initiatives?
Whether you are exploring AgenticAI, building a digital platform, modernizing architecture, creating API ecosystems or strengthening DevOps, Sunesis can help you design, build and operate enterprise-grade software solutions.