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Build38

Backend Engineer

Build38
Spain · Full-time · Mid-Senior

About Us

Build38 is a cyber security start-up that takes care of securing mobile apps. We enable all sorts of solution providers (from car manufacturers to banks, from public transit operators to identity providers) to deliver their mobile use cases in a secure manner. We already protect millions of Android and iOS endpoints with our SDK which, together with our backend analytics platform, provides the most comprehensive mobile app security solution in the market.

Here Is a Little Taste Of Your Challenge

We are looking for a Backend Engineer for our growing backend team. You will be responsible for helping design, maintain and build the new services for the current platform which is written mostly in Java 17 and using state-of-the-art frameworks such as Spring (boot, security), SQL databases, AWS services and deployed in Kubernetes for scalability and reliability. You’ll also develop high-quality code for our existing and new software products, with high availability and scalability standards.

  • Design and implement new components for our high-availability (HA) microservice-oriented architecture, while ensuring the maintenance and improvement of existing systems.
  • Work closely with the Product Owner to understand and refine functional requirements.
  • Have an important role in defining and improving internal processes.
  • Support fellow developers, fostering a culture of growth and collaboration within the team.
  • Contribute beyond technical development by actively engaging in the full lifecycle of projects.

Who are you? There is no set route to become part of Build38. But to be successful in this role, this is the kind of profile we have in mind

  • Recommended: Computer Science degree or similar.
  • Strong background in Java.
  • Spring ecosystem (boot, web, security).
  • Knowledge of SQL DBs.
  • Knowledge of software best practices, testing, code review, pair programming, refactoring, clean code and DDD.
  • Bonus: Experience or knowledge in working with data analytics, data-driven systems or no SQL Databases.
  • Team-player: you are open to ego-free discussions.
  • Devops mindset (working and improving ci / cd processes with git, jenkins, kubernetes, aws)
  • A commitment to quality: always leave the code cleaner than you found it.

Practically Speaking, what's in it for you: Optimized onboarding – for your optimal start and your customized induction.

  • Optimized onboarding – for your optimal start and your customized induction. 
  • Enthusiastic team – waiting to help you succeed. 
  • Internationality – three locations worldwide with employees on 3 continents. 
  • Simplicity – because we like to make it easy and practical. 
  • Greenfield – where you can explore and bring in your experience. 
  • Well-known customers – from the German and international economy. 
  • Beautiful office spaces in the heart of Barcelona – 200m the Sants Estació in Barcelona with regular team/community events (breakfast, lunch, beers…). 
  • Good transport connections – easy to reach by public transport. 
  • Attractive performance-based remuneration model – as motivation for YOUR motivation. 
  • Flexible working hours & Hybrid working! 

Tell us what excites you about security for mobile apps and what your passion and future plans are.

We want to get to know YOU and know who YOU are.

Key Skills

Ranked by relevance

sql kubernetes java aws high availability cyber security product owner spring boot jenkins android git ddd ios ha
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Posted
Apr 15, 2025
Type
Full-time
Level
Mid-Senior
Location
Barcelona
Company
Build38

Industries

Software Development

Categories

Information Technology

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