Senior Full Stack Engineer (Next.js/React)
Kilo™Lithuania19 hours ago
Full-timeRemote FriendlyEngineering, Information Technology
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About The Team
Kiloverse is the operational force that helps ventures grow — building the systems, teams, and infrastructure that turn ideas into scalable businesses. Behind every fast-growing product, there’s a group of people who think like owners, act fast, and execute with precision.
Here, you’ll find people who want to break big in their careers — working side by side with entrepreneurs and founders to build ventures that redefine the health, wellness, beauty, or travel industries.
Get ready to
Gross salary range is 4500-6500 EUR/month.
Location
We have plenty of amazing workspaces you can choose from: our awesome headquarters in Vilnius, and super cool hub in Kaunas!
For Vilnius: 4 days onsite, 1 flexible day remote. Meanwhile, in Kaunas: onsite, hybrid, or remote options are available depending on the role.
Speaking of perks:
Own your wellness
Stay sharp and well in your own way – health insurance (after probation), on-site physiotherapist, office gym, and fitness classes keep you moving. Plus 7 extra days off, 3 for weddings, hybrid work, and the freedom to work 2 months from anywhere in the world.
Boost your daily life
Every breakthrough needs a spark and our daily setup reflects that. Pet-friendly office, fresh breakfasts, hot lunches, drawers and fridges stocked with snacks and food – for a quick bite or even a team-cooked meal together. Rooftop and cellar events keep things lively, while 10 social clubs give space to dive into passions and try new things. Add a public transport card for Vilnius and Perks.lt perks for smoother days.
Shape your growth path
Builders never stop learning. Coaching, mentorship, training, conferences, online courses, subscriptions, books – you’ve got a €1000 yearly budget to fuel personal or team growth. You pick the path – we’ll back you all the way.
Drive global impact
This is where ambition scales. Build impact across 30+ brands worldwide. Launch bold projects. Even step in as a co-founder – we reward those who push further. And if you bring in more great people, you get €1500 for every successful referral.
Kiloverse is the operational force that helps ventures grow — building the systems, teams, and infrastructure that turn ideas into scalable businesses. Behind every fast-growing product, there’s a group of people who think like owners, act fast, and execute with precision.
Here, you’ll find people who want to break big in their careers — working side by side with entrepreneurs and founders to build ventures that redefine the health, wellness, beauty, or travel industries.
Get ready to
- Contribute to full-stack development, owning features across the stack using React and Next.js, with a strong focus on architecture and complex business logic
- Dive deep into complex domain logic, third-party integrations, and performance challenges across the stack
- Take ownership, make architectural decisions, and influence how our platform evolves end-to-end
- Design clean, well-documented APIs and collaborate closely with frontend engineers using React / Next.js
- Optimize application performance, security, and infrastructure reliability
- Collaborate with product, operations, and engineering teams to deliver impactful features
- Mentor other engineers, delegate tasks, and help grow a strong, senior-level engineering team
- Improve development processes, code quality, and engineering standards across the platform
- Bring strong full-stack engineering fundamentals with a solid backend foundation (clean architecture, design patterns, testing)
- Have solid experience with PHP, ideally Laravel or Symfony (or be confident you can ramp up quickly), and strong experience with React / Next.js
- Be comfortable working across the stack and stepping outside a narrow role when needed
- Confidently design and navigate complex business and domain logic
- Write reliable, well-tested code and follow best engineering practices
- Work autonomously, from system design through implementation, deployment, and optimization
- Take a senior mindset: ownership, technical leadership, and proactive problem-solving
Gross salary range is 4500-6500 EUR/month.
Location
We have plenty of amazing workspaces you can choose from: our awesome headquarters in Vilnius, and super cool hub in Kaunas!
For Vilnius: 4 days onsite, 1 flexible day remote. Meanwhile, in Kaunas: onsite, hybrid, or remote options are available depending on the role.
Speaking of perks:
Own your wellness
Stay sharp and well in your own way – health insurance (after probation), on-site physiotherapist, office gym, and fitness classes keep you moving. Plus 7 extra days off, 3 for weddings, hybrid work, and the freedom to work 2 months from anywhere in the world.
Boost your daily life
Every breakthrough needs a spark and our daily setup reflects that. Pet-friendly office, fresh breakfasts, hot lunches, drawers and fridges stocked with snacks and food – for a quick bite or even a team-cooked meal together. Rooftop and cellar events keep things lively, while 10 social clubs give space to dive into passions and try new things. Add a public transport card for Vilnius and Perks.lt perks for smoother days.
Shape your growth path
Builders never stop learning. Coaching, mentorship, training, conferences, online courses, subscriptions, books – you’ve got a €1000 yearly budget to fuel personal or team growth. You pick the path – we’ll back you all the way.
Drive global impact
This is where ambition scales. Build impact across 30+ brands worldwide. Launch bold projects. Even step in as a co-founder – we reward those who push further. And if you bring in more great people, you get €1500 for every successful referral.
- additional conditions apply based on your residence location.
Key Skills
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