Senior Backend Engineer

Spacewell; Barcelona; Híbrido; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

Spacewell Energy is looking for a Senior Backend Engineer to join their dynamic team in Barcelona. The ideal candidate will embrace software craftsmanship and demonstrate proficiency in Java or Kotlin, contributing to agile software development and high-quality code delivery. With a commitment to diversity and inclusion, Spacewell fosters a rewarding workplace with flexible hours and exciting projects involving advanced technologies.

Servicios

Flexible working hours and early quit Friday

Hybrid work model

Office in city centre of Barcelona

Exciting work environment

Flexible compensation scheme

23 holiday days per year

Discounted private health insurance

Regular team events

Referral bonus for new hirings

Formación

• Good social skills to enjoy working with people.
• Understanding customer pains is crucial for building solutions.
• Balancing quality, performance, and time-to-market.

Responsabilidades

• Be part of a team with software developers and a product manager.
• Ensure platform security, performance, and concurrency.
• Deploy changes using CI/CD pipelines and own the lifecycle.

Conocimientos

Team player

Product mindset

Pragmatic

Fluent in JVM languages (Java 8+, Kotlin)

Knowledge of programming languages (Python, JavaScript)

Experience using Docker Containers

Experience in microservices patterns

Familiarity with testing pyramid

Fluent in English

Descripción del empleo

About Spacewell

Spacewell is a leading provider of workplace and energy management solutions. Our product suite includes Energy (formerly known as DEXMA), Workplace and Maintenance. These solutions help thousands of facility managers and energy managers worldwide to create smarter, more engaging workplaces, understand and optimise energy consumption and achieve sustainability targets.

At Spacewell, we are full of contagious energy, hard work, and passion for what we do. We are fully committed to encouraging an environment where everyone is heard and feels a sense of belonging. We are proud to have a multicultural team that acknowledges a variety of backgrounds, skills and perspectives.

The Opportunity

The engineering department of Spacewell Energy is currently looking for a Senior Backend Engineer. We are looking for engineers who embrace software craftsmanship and have a background in either Java or Kotlin. We prioritise the use of Agile methodologies and XP practices such as TDD, pairing and CI/CD, as a basis for delivering high-quality code frequently, while taking care about the business domain (DDD)

You will

• Be part of a team that is composed of Software Developers and a Product Manager. Working together in the full process of agile software development.
• Collaborate closely with various stakeholders, including the infrastructure team, customer success and other development teams.
• Ensure that the platform runs smoothly, by considering security, performance and concurrency in the features you work on.
• Be involved in a deep refactor of some of our core components: rethinking models, extracting monolith functionalities into independent services, performance and scalability improving, query optimizations.
• Deploy your changes in production using CI/CD pipelines: own the whole lifecycle from the pull request to production (testing, software quality metrics, QA & observability in production).
• Be accountable and proficient with the code that the team writes, keeping it clean and simple.
• One day per sprint of two weeks is booked for free choices. The goal of free choices is to try to innovate with new technologies/tools/approaches to improve our products or methodologies.
• Work with our technical stack and AI tools like Perplexity or GitHub Copilot.

Requirements

• Team player: you have good social skills, and you enjoy working with people to solve problems together.
• Product mindset: you believe that understanding the pains and problems of the customer/user is crucial to build and deliver the best solution.
• Pragmatic: understand the urgency and importance of the issue that you work on, balancing quality, performance and time-to-market.
• Fluent in JVM languages (Java 8+, Kotlin).
• Knowledge of programming languages such as Python and/or JavaScript (or others).
• Experience using Docker Containers and dockerizing micro-services.
• Experience using relational and/or non-relational databases (e.g., PostgreSQL, MongoDB, BigQuery)
• Experience in microservices patterns.
• Knowledge of the SOLID principles and Clean Architecture.
• Familiarity with the testing pyramid
• Fluent in English with well-developed communication skills.

Nice to have

• Experience in DDD and event-driven architectures.
• Knowledge of asynchronous, reactive programming principles and the functional programming paradigm.
• Experience using Cloud Native Infrastructure (e.g., lambda functions, buckets, managed services, etc.).
• Experience in profiling (memory, cpu, I/O) and service metrics using monitoring tools.
• Knowledge of the Energy sector

We offer

• Flexible working hours and possibility of early quit Friday.
• Hybrid work model.
• Office in the city centre of Barcelona.
• An exciting and positive work environment where you are valued.
• A friendly and talented group with 10+ different nationalities.
• Flexible compensation scheme: kindergarten, transportation and restaurants.
• 23 holiday days per year.
• Up to 5 additional holidays based on tenure.
• 1 additional birthday day off.
• Company-sponsored courses and attendance to events.
• Discounted private health insurance and gym memberships.
• Regular team events.
• Referral bonus for new hirings.

Team values

• Be human: authentic, open, caring and transparent.
• Be an expert: share your knowledge in a simple way.
• Stay positive: be passionate and optimistic.
• Be humble: self-aware and open to learning.
• Be sustainable: care about the planet and the ecological footprint.

Hiring Process

At Spacewell Energy, we celebrate diversity and difference, and we are strongly committed to building an inclusive workplace for all our employees. We welcome and encourage people of all backgrounds to apply. Read more about our Declaration of Principles on Diversity, Inclusion and Equality.

Step

A 30–60-minute call with the Team Lead or the Head of Engineering Department at Spacewell Energy will provide an overview of our company, specifically focusing on how the technical department operates. The discussion will cover the candidate's past experience and technical background, offering an opportunity for the candidate to ask any questions about us.

Step

Up to a 2-hour technical session with two members of our team, divided into two parts. The first 30 minutes will focus on the candidate's technical background, while the second part (90 minutes) involves a live programming exercise. This test simulates a 'pair-programming' session, with our team providing guidance and assistance throughout the exercise.

Step

A 30-minute call with People Department and the Product Owner of the team

Step

Is it a match on both sides? Great, let's get to work!