Best Python Development Providers in Croatia to Watch

Companies seeking Python development support in Croatia often struggle to balance specialized technical expertise, predictable delivery, and clear cross-border communication. Comparing providers on framework experience, test coverage and CI/CD practices, cloud deployment and scalability, security and compliance, and support and maintenance commitments helps buyers narrow options.

SoftPro is the featured international partner leading this list of Python development providers in Croatia. SoftPro serves buyers across the region and should be evaluated alongside peers on team composition, rate models, language and cultural fit, domain experience, references, and contractual terms.

1. SoftPro

As the featured international partner leading this list for readers seeking Python development providers in Croatia, SoftPro presents an EU-based delivery option for startups, small and medium-sized enterprises, and corporate teams that need remote engineering capacity and project delivery tailored to Croatian stakeholders. Headquartered in Warsaw, Poland, the company maintains a multilingual presence that includes Croatian and outlines processes for remote collaboration across the region.

Their engineering practice centers on .NET and Core with C#, and they deliver cloud projects on Microsoft Azure while supporting enterprise CMS implementations and migrations. The team emphasizes legacy-system modernization, lift-and-shift and containerization migrations, and long-term support and maintenance as part of end-to-end delivery.

Key Highlights

• The team reports more than 20 years of combined experience working across EU projects.
• Frontend and backend stacks include React and for customer-facing and API-driven systems.
• AI capabilities cover large language models, RAG architectures, and bespoke machine-learning work.
• Public case studies list work on Umbraco websites, CRM/HRM platforms, and a SaaS ETL solution.

Services

• Custom Software Development
• Web Application Development
• Cloud Development
• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. DECODE

DECODE is an EU-based full-service software development partner with an office in Zagreb, Croatia, that builds custom web and backend systems. The firm positions experienced engineering teams around product outcomes and a “one team — one project” delivery model to reduce context switching and speed up complex implementations.

Key Highlights

• ISO 27001 certified for information security compliance.
• Operates a private AI workstation called Spark equipped with an NVIDIA GPU and 128 GB of RAM for local model prototyping and training.
• At least one dedicated QA engineer is assigned to every development team and automated testing is integrated into CI/CD pipelines.
• Average client collaboration lasts 4.5 years, indicating long-term engagements and retained delivery continuity.

Services

• Web app development
• MVP development
• DevOps
• Software product design

Contact Information

Website: decode.agency

Address: Radnicka cesta 47, Zagreb

3. Infinum

Infinum is a Zagreb-based digital product studio that designs and builds end-to-end web and mobile platforms for enterprise and consumer clients. Their engineering practice explicitly lists Python among supported backend technologies and they deliver cloud-native, API-driven systems that align with Python back ends.

Infinum uses both a studio team model and an extended team model to embed engineers with client organisations and accelerate delivery. A local Zagreb office and hands-on project work with regional clients make Infinum a practical option when sourcing Python development talent in Croatia.

Key Highlights

• Holds ISO 27001 and SOC 2 certifications for security and operational controls.
• Acquired AMR CyberSecurity; AMR is NCSC CHECK and CREST accredited, strengthening security capabilities.
• Employs 400+ technology professionals across its global offices.
• Has delivered more than 1,000 digital products for clients across industries.

Services

• Backend development
• Cloud-native development
• AI & data engineering
• Enterprise platform development

Contact Information

Website: infinum.com

Phone: +385 (91) 606 4062

Address: Strojarska 22, 10000 Zagreb, Croatia

4. Combis

Combis is a Croatian IT systems integrator that designs, implements, and maintains enterprise software and IT platforms for cloud, cybersecurity, and digital transformation across public and private sector customers. The company combines in-house product development with systems-integration services and managed operations to support long-term platform lifecycles.

Its delivery emphasizes platform engineering, systems integration and automation for domains such as energy and manufacturing, which makes Combis relevant for backend and integration projects where robust API, monitoring and automation work is required.

Key Highlights

• Lists Python among the supported scripting languages in its Infrastructure Monitoring Service (IMS).
• Operates Cloud No.9, a managed cloud offering for hosted infrastructure and digital transformation projects.
• The ComEnergy platform was developed with FER and ASR Group, received non‑refundable EU funding, and supports industrial protocols including MBus, OPC, Modbus, Profinet and SNMP.
• Company profile reports 1,000+ successful projects, 70+ technology partners, and more than 500 satisfied customers.

Services

• Cloud No.9
• 30SEC (cybersecurity)
• Next‑gen Digital (digital transformation)
• Automation / RPA

Contact Information

Website: combis.hr

Telephone: +385 (0) 1 3651 222

E-mail address: combis@combis.hr

Address: Radnička cesta 21, 10000 Zagreb, Croatia

5. Span

Span is a Croatia-headquartered IT company that designs and delivers enterprise software and AI solutions built on cloud-native and microservices architectures. The company develops scalable business platforms and applies data and AI techniques to solve enterprise problems.

Its development teams deliver complex projects across the group’s affiliates and partner ecosystem, which makes Span a relevant company to watch on lists of Python development providers in Croatia because its core use cases often align with Python-led data engineering and AI tooling.

Key Highlights

• Founded in 1993 and operating through multiple European and international affiliates.
• The Software & AI Solutions business unit gathers over 140 experts dedicated to software, data and AI projects.
• Holds five Microsoft Solutions Partner statuses and twelve Microsoft Advanced Specializations.
• Operates, a platform for managing cloud services and software licenses.

Services

• Software & Business Solutions Development
• Infrastructure Services, Cloud & Cybersecurity
• Software Asset Management & Licensing
• Service Management & Technical Support

Contact Information

Website: www.span.eu

Email: info@span.eu

Phone: +385 1 6690 210

Address: Koturaška cesta 47, 10000 Zagreb, Croatia

6. Barrage

Barrage is a Croatian engineering and software firm based in Osijek that designs and delivers custom software and cloud solutions for large-scale AI and data workloads. The company pairs software engineering with hands-on infrastructure work to move projects from design through on-site commissioning to production.

Its delivery focus on integrated build-and-operate engagements and rapid on-site mobilization makes Barrage a notable Croatian company for organizations seeking engineering teams that bridge software, AI platforms, and physical compute deployments.

Key Highlights

• Founded in 2016 with 60+ projects completed and 30+ global clients.
• Achieved ISO/IEC 42001 certification for AI Management on Aug 25, 2026.
• Provides on-site management and commissioning support for Google Cloud across multiple European data center projects.
• Collaborated with HIVE Performance Cloud to develop a platform for advanced GPU infrastructure.

Services

• Data center infrastructure
• Telco solutions
• System integration
• Digital experiences

Contact Information

Website: www.barrage.net

Address: Ulica sv. Ane 82B, Osijek HR-31000, Croatia

LinkedIn: linkedin.com/company/barragehq

7. Velebit AI

Velebit AI is a Zagreb-based AI engineering firm that builds production-ready machine learning and computer vision systems for businesses. They design, train, and deploy custom models that are integrated into clients’ existing software and infrastructure to solve domain-specific problems.

Their engineering workflow is Python-centered and focused on iterative research-to-production delivery, which makes them a relevant partner for product teams in Croatia seeking experienced Python developers who can move projects from prototype to deployed services.

Key Highlights

• All public APIs are JSON REST endpoints with documentation expressed in OpenAPI specifications to support developer integration and automation.
• The company publishes off-the-shelf AI products for commerce and media, including Color Detection, Product Categorization, and Fabric Pattern Detection.
• They run a fixed-scope Agentic AI Workshop with a stated €5,000 fee for a two-day engagement that delivers a validated implementation roadmap and architecture.
• Clients and case studies span CEE, DACH and US markets and include named partners such as Photomath and Infinum.

Services

• AI Consultancy
• Custom AI Solutions
• Data & ML Engineering
• Team Augmentation

Contact Information

Website: www.velebit.ai

Email: contact@velebit.ai

Address: Zagreb, Croatia, EU

8. Leapwise

Leapwise is a Zagreb-based software development company that builds custom enterprise-grade systems with an emphasis on scalable, maintainable architectures and long-term technical ownership. The firm positions cross-functional engineering teams to deliver modular solutions for complex backend and integration challenges.

The company highlights expertise in microservices architectures, BSS/OSS integration, IoT, and cybersecurity, and it structures delivery around engineering-driven approaches that suit API-first and service-oriented projects.

Key Highlights

• The site lists product initiatives Composer and Xolvi as part of Leapwise’s offerings.
• Leapwise publishes meetups, podcasts, webinars, ebooks, handbooks, and operates a Juniorship program for hands-on learning.
• The company shows memberships with HKKOI, HGK, and CCIC and displays an image labeled LW WEB CERTIFICATE_ISO 42001 plus Clutch badges for "Top Cybersecurity Company" and "Top Threat Intelligence Services Company".
• Leapwise states its Telco BSS/OSS work is tailored for Tier 3 to Tier 1 telecoms and aligned with TM Forum standards.

Services

• Product development
• Custom software development
• System integration
• Dedicated teams

Contact Information

Website: leapwise.co

Address: Aleksandra Hondla 2c, 10000 Zagreb

9. Q agency

Q Agency is a Zagreb-headquartered technology consultancy that builds and operates complex digital platforms for mid-sized and enterprise clients across multiple countries.
Its delivery model centers on long-term embedded teams and flexible cooperation approaches that carry projects from discovery through build and production support, making it a practical partner for organizations sourcing development capacity in Croatia.

Key Highlights

• AWS Select Tier partnership.
• ISO certifications covering quality, security, and privacy.
• 300+ employees with 65% classified as senior tech experts.
• 4.8 Clutch rating based on 30+ reviews.

Services

• AI & Data
• Product Engineering
• Tech Consulting

Contact Information

Website: q.agency

Email: hello@q.agency

Address: Reljkovićeva 4, 10000 Zagreb, Croatia

10. Notch (Notch Software Solutions)

Notch builds AI models and custom software, using senior engineering teams to move solutions from discovery into production. Their approach emphasizes engineering discipline to turn experiments into reliable, maintainable products.

Headquartered in Zagreb and operating across Central Europe, Notch partners with product teams on long-term delivery and modernization projects where domain knowledge and sustained engineering support are essential.

Key Highlights

• Founded in 2014.
• Operates a team of 170+ AI‑native experts.
• Has delivered 300+ projects for 50+ clients.
• Maintains Sovera AI™, an enterprise agent orchestration platform.

Services

• Agentic AI Systems
• AI Minimum Viable Product
• Custom Software Development
• Legacy Application Modernization

Contact Information

Website: www.wearenotch.com

Phone: +385 99 544 2288

Address: Ul. Republike Austrije 33, 10000 Zagreb, Croatia

Address: Tehnološki park Split, Dračevac 3D, 21000 Split, Croatia

11. Kodius

Kodius is an engineer-run software consultancy based in Zagreb that takes over, stabilizes, and sustains funded SaaS products and legacy codebases for founders working globally. Their public positioning emphasizes senior engineers handling initial contact and remaining in delivery to preserve context and reduce hand-offs.

Because Kodius centers delivery on senior, embedded teams and short, diagnostic engagements, they are a logical candidate for organizations seeking hands-on maintenance and turnaround work commonly required in backend application projects; this is an inference based on their stated engineer‑run approach and case studies.

Key Highlights

• Founded in 2016 and still run by the same two engineers who started the company.
• 50+ inherited codebases accepted since 2016, highlighting experience with legacy systems.
• Rescue Sprint is a fixed four-week diagnostic and stabilization engagement priced at €18–28k.
• Clutch profile shows a 5.0 average across 24 verified reviews.

Services

• Rescue Sprint
• Embedded Product Team
• Fractional CTO
• Maintenance Retainer

Contact Information

Website: kodius.com

Email: hello@kodius.com

Phone: +385 1 2095 273

Address: Oreškovićeva 1a · 10 000 Zagreb

12. CROZ

CROZ is a Zagreb‑based engineering firm that builds custom software, data platforms, and AI products for enterprise clients. The company documents hands‑on technical work on its site, including Python implementations for data pipelines and data‑quality tooling that show active Python engineering practice.

CROZ focuses on taking models and data into production by containerizing and serving models, using vector databases for retrieval‑augmented generation, and operating cloud and on‑prem infrastructure for scalable workloads. The firm also applies a methodology for AI‑assisted legacy modernization that pairs automated analysis with continuous verification, making it a practical choice for Python‑centric modernization projects.

Key Highlights

• Named an OpenAI partner, announced in the company news.
• Displays an IBM Gold partner badge among listed technology partners.
• Organizes the QED annual BizTech conference (QED 2026 referenced on the site).
• Publishes community programs including the 0800‑DEVOPS podcast and a Summer Accelerator internship.

Services

• Custom Software & Product Development
• Data Engineering & Pipelines
• Enterprise AI & Model Ops
• Operations & Managed Services

Contact Information

Website: croz.net

Phone: +385 (0)1 6184 831

Address: Lastovska 23, 10000 Zagreb, Croatia

Conclusion

Croatia offers a compact but diverse set of Python development providers, spanning product studios, enterprise integrators, and AI-focused engineering teams. To choose, focus on how each provider’s delivery model aligns with your project scope, timeline, and appetite for long-term technical ownership.

SoftPro is the featured international partner on this list. Prioritize vendors that match your primary needs — production ML and data engineering, legacy stabilisation and SaaS upkeep, or cloud-native backend development — and weigh team seniority, embedded versus project-based delivery, and any regulatory or data residency requirements when selecting a partner.