Backend Developer

About the Position

We are looking for a Backend Developer to join our team at Applivery in Madrid, Spain. If you are passionate about building robust, scalable, and secure systems and enjoy working in an international environment, this is the perfect opportunity for you.

About Applivery

Applivery is a leading AI-driven Unified Endpoint Management (UEM) and app distribution platform. We empower IT and security teams worldwide to secure, automate, and scale their digital workplaces across Apple, Android, and Windows. Recognized in the Gartner® Magic Quadrant, our software is trusted by global market leaders including Mercedes-Benz, Starbucks, Snapchat, Supercell, and BNP Paribas.

We are a high-velocity, product-first scale-up. We thrive on extreme autonomy, speed, and pride in execution. Here, you won't be a cog in a machine-every person has a direct, visible impact on our product, our culture, and our trajectory.

About the Role

As a Backend Developer, you will be a key player in designing high-availability systems. Your work will directly impact how thousands of companies interact with their Android, iOS, macOS, and Windows devices, ensuring that our APIs are robust, scalable, and secure.

Responsibilities

• Design and Implementation: Collaborate closely with the Product team to define and build new features that solve real problems for our customers.
• Architecture and Performance: Identify bottlenecks and propose architectural improvements to ensure the scalability and speed of our platform.
• Code Quality: Maintain high quality standards through code reviews, clear documentation, and the implementation of tests (unit and functional).
• Continuous Innovation: Research and propose the adoption of new technologies and best practices that optimize our development flows.
• Maintenance: Resolve incidents and debug existing APIs, ensuring a frictionless experience.

Requirements

• Core: Solid experience developing backend applications with Node.js and TypeScript.
• Ecosystem: Proficiency in libraries and frameworks such as Express, Zod, and Mongoose.
• Databases: Experience working with relational and non-relational databases (MongoDB, PostgreSQL).
• Cloud: Knowledge of cloud infrastructure services (AWS, GCP, and/or Cloudflare).
• Messaging: Experience with event queueing systems or asynchronous messaging (RabbitMQ, PubSub, etc.).
• Quality: Familiarity with automated testing and version control tools (Git).
• Language: Fluency in English is required.

Nice to Have

• Experience with payment gateways (Stripe), real-time communication (Socket.io), and security (OWASP).
• Knowledge of Docker, Kubernetes, and CI/CD pipelines.
• Familiarity with the mobile and desktop operating system ecosystem (Android, iOS, macOS, Windows).
• Experience working under Agile methodologies.

We Offer

• A Culture of Growth & Connection: Join a vibrant, highly collaborative team where we tackle big challenges together-and celebrate our wins just as hard.
• Trust & Flexibility: Operate on an objective-driven, results-oriented culture with the autonomy and flexibility to manage your time effectively.
• The Friday Finish: Kickstart your weekend early with short Fridays, wrapping up at 3:00 PM all year round.
• Generous Time Off: Enjoy 23 days of vacation + December 24th and 31st off. Plus, your birthday is a holiday (and if it falls on a weekend, you can take the closest working day off!).
• Flexible Remuneration (via Alan): Optimize your net salary with tax advantages for meals, transport, childcare, and training.
• Health & Wellness: Access discounted health insurance (100% covered by Applivery after your first year) plus a monthly Wellness Stipend to spend on your choice of sport, gym, or well-being activities.
• Referral Bonus: Recommend someone amazing to join our team and earn a €500 bonus once they successfully complete their probation period.

Why Join Applivery?

• 🚀 Our Team – Certified by Great Place to Work®, we hold the #1 spot among tech scaleups. Working at Applivery means joining a culture where your voice genuinely matters from day one.
• ⚡ Our Technology – Our pioneering platform earned official recognition from Gartner, receiving an Honorable Mention in the 2026 Gartner® Magic Quadrant™ for Endpoint Management Tools.
• 🌍 Our Customers – Trusted by industry leaders and fast-growing scaleups globally, we power critical operations across tech, retail, healthcare, and logistics.

How’s Working with Us in Our Day to Day

• 🧢 People first: Speak up, share your ideas, and bring your authentic self to work. We fiercely protect an environment where your holistic well-being is prioritized.
• 🧭 Think customer: We pride ourselves on being agile and deeply connected to the people who use Applivery.
• 🚀 One team: We operate as a single, cohesive unit where ego takes a backseat to collective success.
• ⚖️ Freedom with responsibility: We hire brilliant people because we trust their judgment. At Applivery, you have absolute ownership over your processes and outcomes.
• 💎 Passion for excellence: We challenge the status quo and strive for greatness in everything we ship.
• 🌐 Security and Reliability: We build things to last, and we build them to be bulletproof. Security is everyone's responsibility.

Perks & Benefits

• Remote Friendly: Work from wherever you do your best. We support flexible, remote-first collaboration.
• Gym Support: We help you stay active and healthy with financial support for your gym or sports activities.
• People-First Culture: We put people before processes. You’ll find a respectful, inclusive, and supportive environment.
• Office Snacks & Drinks: Fresh fruit, quality coffee, and snacks are always available at the office.
• Subsidized Health Insurance: Your wellbeing matters. We offer subsidized health insurance.
• Teammate Recognition Rewards: Great work deserves recognition. Our teammates regularly celebrate each other’s achievements.

Ready to Join Us?

Take the next step in your career. Apply for Backend Developer today.