Engineer II, Backend (Global Experimentation - Tech Foundations)

Company Description

As the world’s leading local delivery platform, our mission is to deliver an amazing experience, fast, easy, and to your door. We operate in over 70+ countries worldwide, powered by tech but driven by people. As one of Europe’s largest tech platforms, we enable ambitious talent to deliver solutions that create impact within our ecosystem. We move fast, take action and adapt. No matter where you’re from or what you believe in, we build, we deliver, we lead. We are Delivery Hero.

Job Description

We are on the lookout for an Engineer II, Backend to join the Global Experimentation team within Tech Foundations vertical in Barcelona on our journey to always deliver amazing experiences. 

As a member of the Tech Foundation Team, you’ll support Delivery Hero’s rapid innovation and growth. You’ll work on foundational systems that enable faster feature development, security, and reliability across our global engineering community. Every enhancement you make will contribute to our teams' ability to build, scale, and deliver quality features—ultimately impacting millions of users worldwide.

In this role, you will contribute to the design, development, and maintenance of our critical backend services, ensuring their scalability, performance, and reliability. You will be fundamental in the evolution of our architecture, working primarily with Go (Golang) and the JVM ecosystem, making the most of AWS Cloud services and ensuring complete visibility of our systems through observability tools like Grafana.

Our mission is to build a cutting-edge backend infrastructure that supports millions of daily transactions, making performance, reliability, and scalability key aspects of every development process. If you are a creative problem solver looking for an opportunity to work on high-impact global projects, this role is for you.

Responsibilities

• Implement and maintain high-quality backend services primarily using Go (Golang) and, when necessary, JVM-based technologies.

• Collaborate with experienced engineers to understand and contribute to the architecture and integration strategy for new services.

• Assist in ensuring the scalability, reliability, and efficiency of our systems, working with a variety of AWS Cloud Services (EC2, S3, RDS, Lambda, SQS, SNS, DynamoDB, etc.).

• Implement and use observability tools (monitoring, logging, tracing) with platforms like Grafana, Prometheus, or ELK Stack to assist in system monitoring and troubleshooting.

• Participate in code reviews, providing and receiving constructive feedback to improve code quality.

• Help identify and address performance bottlenecks and reliability issues under guidance.

• Work in a collaborative environment, communicating effectively with engineering and product teams.

• ollaborative environment, communicating effectively with engineering and product teams.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.

• 3+ years of professional backend software development experience.

• Proficiency in one or more modern backend programming languages, such as Go (Golang), Java, Python, or Kotlin.

• Familiarity with at least one JVM-based language (Java, Kotlin, or Scala) and its ecosystem.

• Experience working with scalable systems on AWS Cloud Services.

• Hands-on experience with observability tools like Grafana or similar platforms for basic monitoring and debugging.

• Good understanding of relational databases (e.g., PostgreSQL) and NoSQL concepts.

• Familiarity with microservices architectures and RESTful APIs.

• Solid problem-solving and critical thinking skills.

• Ability to work effectively within a team and learn from others.

• Intermediate to advanced English proficiency is required for effective communication.

Nice to Have

• Knowledge and hands-on experience with Feature Flagging and/or A/B Testing systems.

• Experience or adaptability to work with multiple programming languages.

• Familiarity with Docker and Kubernetes.

• Experience working in a fast-paced, agile environment.

• A passion for delivering high-quality, maintainable, and scalable code.

Additional Information

Individuals representing diverse profiles, and abilities, encompassing various genders, ethnicities, and backgrounds, are less likely to apply for this role if they do not possess solid experience in 100% of these areas. Even if it seems you don’t meet our musts don’t let it stop you, we are all about finding the best talent out there! Skills can be learned, and embracing diversity is invaluable.

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