Top 10 Tech Startups Hiring Junior Developers in Slovenia in 2026

Table of Contents

• Introduction
• Sunrise Robotics
• Apillon
• SaleSqueze
• Astra AI
• LILT
• Viberate
• bunny.net
• LAIERS.ai
• Flux Motorcycles
• Equaleyes Solutions
• How to Find and Evaluate These Hidden Opportunities
• Frequently Asked Questions

Sunrise Robotics

Autonomous robotic cells might sound like the domain of senior engineers with decades of hardware experience, yet Sunrise Robotics has one of the clearest junior hiring track records among Slovenian startups. The company recently listed Full Stack Engineer roles specifically designed for growth and integration into factory environments. According to the Tracxn profile on Slovenian startups, Sunrise Robotics raised $8.44 million in seed funding and an additional $8.5 million in Series A by mid-2025.

This funding fuels a tech stack centered on AI-driven simulation-to-deployment pipelines, purpose-built hardware, and Python-based control systems. Robotic units are trained entirely in simulation before hitting the factory floor, giving junior engineers direct exposure to real-time decision-making systems from their first week.

BeBeez International notes that Sunrise Robotics has been "recently securing significant funding to scale its presence in Ljubljana." The culture emphasizes direct executive mentorship - early-career engineers regularly see their code physically move a robot arm within weeks, not quarters. Juniors interested in the intersection of AI and hardware will find few better environments in Central Europe to bridge that gap.

Apillon

Apillon sits in the center of Ljubljana, building a Web3 development platform that abstracts away blockchain complexity. Its most compelling offering for early-career developers is the dedicated “Junior Playmaker” internship, a program that routinely transitions participants into full engineering roles. Total funding stands at €3.1 million, and the company is actively shaping Slovenia’s evolving innovation scene in 2026, as recognized by EU-Startups.

The tech stack spans decentralized storage, multichain support, smart contracts, and Web3 APIs - but Apillon’s “plug-and-play” tools deliberately lower the entry barrier. This makes it an ideal destination for developers transitioning from Web2 to Web3 without deep blockchain knowledge. Interns work alongside experienced CTOs on real infrastructure, not toy projects.

Becoming a Junior Playmaker means attending international Web3 conferences and contributing to production code within weeks. For junior developers looking to plant a flag in the decentralized web, Apillon offers the clearest on-ramp in Ljubljana. Open roles are often posted on the Start:up Slovenija job board, making it one of the most accessible doors into the ecosystem.

SaleSqueze

Not every startup requires you to build AI models from scratch. SaleSqueze operates in a different, equally valuable niche: a visual CPQ (Configure, Price, Quote) SaaS platform that uses 3D visualization for complex physical products. The company recently sought junior programmers in .NET technology for long-term web development projects, demonstrating a clear appetite for early-career talent.

Securing €1.4 million in 2024 and currently in a high-growth phase, SaleSqueze provides a structured environment where data-driven decision-making is the norm. The sales-tech cycle offers clear metrics for success, making it easier for juniors to demonstrate their impact quickly. According to BeBeez International, the company emphasizes iterative testing and mentors from senior engineers who have built enterprise SaaS products for global markets.

Working with .NET, cloud-based SaaS infrastructure, and 3D configurators gives junior developers exposure to full-stack enterprise development without the chaos of an early-stage pivot. For developers who prefer clear requirements and measurable outcomes, SaleSqueze offers one of the most grounded entry points in Ljubljana’s startup ecosystem.

Astra AI

Start:up Slovenija named Astra AI the Slovenian Startup of the Year 2025, and for good reason. The company builds personalized AI learning assistants for students - but its approach to hiring is just as deliberate as its product. Astra AI looks for “confident” teams that understand the market over just years of experience, according to the award announcement.

The tech stack centers on machine learning models for adaptive learning, natural language processing, and cloud deployment. Juniors passionate about EdTech quickly discover that flat structures and founder-led coding sessions replace formal hierarchies. Frequent hackathons mean early-career developers ship features within weeks, not quarters.

Astra AI’s mission of making education accessible mirrors its internal culture: it values mission-driven engineers who care about outcomes over credentials. For junior developers who want their work to directly impact how students learn across Europe, this is one of the most purpose-driven entry points in Ljubljana. The company is also featured in EU-Startups’ list of promising Slovenian startups, confirming its trajectory.

LILT

LILT operates at the intersection of language and machine intelligence, building next-generation translation and localization technology for global enterprises. The company consistently earns high employee ratings on Glassdoor, according to the Wellfound list of Slovenian startups, reflecting a culture that values continuous learning and internal tool development. While not explicitly marketed as junior-heavy, rapid product expansion creates natural openings for early-career full-stack and machine learning engineers.

The tech stack includes AI-driven translation engines, cloud infrastructure, and JavaScript/TypeScript. Remote-friendly by default, LILT emphasizes professional growth through internal tool development and cross-team knowledge sharing. Junior hires quickly gain exposure to NLP pipelines that process millions of words daily.

For developers interested in natural language processing and building products that bridge global communication gaps, LILT offers a rare opportunity to contribute to production AI systems from the start. The company’s international client base also provides insight into how localization technology scales across markets - valuable experience for any early-career engineer eyeing a global career trajectory.

Viberate

The tech stack spans data streaming, analytics APIs, and React front-end work. Juniors quickly discover that this is a small, agile team where ownership comes fast - features move from design to deployment without layers of approval. Working with real-time data from global music platforms provides immediate feedback loops and tangible impact.

For developers excited by data visualization and working with cultural datasets, Viberate offers rare exposure to handling large-scale streaming data from an industry most engineers overlook. Ljubljana’s broader 9,100 ICT vacancies mean data-savvy juniors are particularly hard to find, giving early-career engineers leverage to negotiate meaningful responsibilities from day one. The music tech niche also provides a built-in conversation starter for future interviews, demonstrating domain-specific data engineering skills that generalize across industries.

bunny.net

Infrastructure experience is notoriously difficult to gain early in a developer's career - most companies reserve system reliability work for senior engineers. bunny.net breaks that pattern. The content delivery and edge computing company is growing its engineering team fast, with junior roles specifically focused on system reliability and API development. According to Nucamp's overview of Slovenian tech employers, bunny.net is recognized as a standout destination for junior developers seeking deep infrastructure exposure.

The tech stack runs on CDN architecture, Go, Rust, and distributed systems - technologies rarely touched by juniors in larger markets. Blameless postmortems and open code reviews create a psychologically safe environment where mistakes become learning opportunities. The company's "fail fast, fix faster" mentality means early-career engineers contribute to production systems that handle millions of requests per second.

For junior developers who want to build deep infrastructure expertise early - a rare opportunity in a small country - bunny.net offers the most direct path in Slovenia. The company's obsession with customer experience and constant innovation, noted in its StartupBlink profile, ensures that every team member's work directly impacts global performance metrics.

LAIERS.ai

The tech stack covers Unity, C#, computer vision libraries, and cloud APIs - tools that bridge gaming, AI, and spatial computing. Daily pair programming sessions accelerate learning, while direct access to academic advisors from the Jožef Stefan Institute provides theoretical grounding that most startups cannot offer. Developers comfortable with ambiguous problem domains and a passion for immersive tech will find few better environments in Central Europe.

Working at LAIERS.ai means contributing to products that literally change how people perceive reality through cognitive amplification. For junior engineers willing to trade comfort for cutting-edge challenges, this early-stage startup offers the steepest learning curve and most direct mentorship pipeline in Ljubljana's AR/VR ecosystem.

Flux Motorcycles

Most junior developers imagine their first infrastructure role in a sterile server room. Flux Motorcycles offers something far more visceral: writing code that powers a connected vehicle platform. The company is emerging in the mobility sector with ambitious growth plans, requiring software engineers for mobile apps, telemetry systems, and embedded software. Junior hires contribute to all three areas from day one, gaining rare cross-disciplinary exposure. The company's trajectory is recognized on the European startup map by EU-Startups' coverage of Slovenia's innovation scene.

The tech stack spans embedded C, IoT protocols, and React Native - a combination that bridges low-level hardware programming with modern mobile development. Workshop-style offices and frequent test rides mean engineers experience their code in motion. Hands-on mentorship comes from former automotive engineers who understand both software reliability and mechanical systems intimately.

As noted in EU-Startups' roundup of Slovenia's most promising startups, Flux Motorcycles is part of a new wave of mobility companies emerging from Central Europe. For developers who love hardware-software crossovers and don't mind getting their hands greasy, this is one of the most tangible environments to see your code move a physical vehicle through Slovenian streets.

Equaleyes Solutions

Maribor rarely appears on the radar of junior developers scanning Ljubljana's job boards - and that is precisely the point. Equaleyes Solutions is a multi-award-winning software development company based in Slovenia's second city, building mobile digital products and optimizing business processes. According to TechBehemoths' ranking of Slovenian software companies, the firm has demonstrated consistent growth and a reliable track record of hiring junior developers through local university partnerships. The Maribor tech community serves as a direct pipeline for early-career talent.

The tech stack spans iOS and Android native development, Flutter, and cloud services - giving juniors exposure to both platform-specific and cross-platform mobile engineering. A structured onboarding programme replaces the sink-or-swim approach found in many early-stage startups, while the lower cost of living in Maribor (roughly €700-€900 monthly for a single person, compared to Ljubljana's €900-€1,200) stretches junior salaries significantly further.

Equaleyes places a strong emphasis on work-life balance, regular tech talks, and a dedicated mentoring programme for new hires. For junior developers who want structured learning in a supportive environment without the pressure of Ljubljana's higher living costs, Maribor offers a compelling alternative - and Equaleyes remains the most reliable gateway into that city's growing tech ecosystem.

How to Find and Evaluate These Hidden Opportunities

The companies above won't always appear on mainstream job boards. Use these specific channels to uncover hidden openings:

• AngelList and LinkedIn - Follow key investors like Silicon Gardens and South Central Ventures. Their portfolio companies often post junior roles exclusively on these platforms. The Vestbee overview of regional VC funds confirms these investors actively back early-stage teams that need junior talent
• Local aggregators - Check Startupradar.si and the Start:up Slovenija jobs portal. These lists include flexible hours for students and performance-based incentives
• Demo days and meetups - Attend ABC Accelerator demo days, visit the Ljubljana Technology Park, and join meetups at the Jožef Stefan Institute. Direct founder conversations reveal hidden openings
• University career centres - Univerza v Ljubljani and Univerza v Mariboru host startup career fairs with pre-arranged interviews

When evaluating an offer, assess runway (months of burn based on EUR figures), recurring revenue patterns, investor types (local VCs vs. individual angels), hiring velocity, and partnerships with established Slovenian multinationals like Kolektor, Lek (Novartis), and Telekom Slovenije.

For salary expectations in 2026, junior developer gross pay in Slovenian startups typically ranges from €1,800 to €2,500 per month, plus equity or performance bonuses. Given Ljubljana's cost of living (around €900-€1,200 monthly), this allows solid saving potential. Negotiation tip: ask about paid conference attendance, remote work flexibility, and stock option terms. Many Slovenian startups structure compensation creatively to attract early-career talent. The forest is full of porcini - you just need to know where to part the leaves.

Frequently Asked Questions