Senior Backend Engineer - Community and Engagement

bsport; Barcelona; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Attractive compensation

Hybrid work model

Remote work abroad up to 15 days/year

Private health insurance

Wellhub fitness perks

Flexible remuneration

Diverse team culture

Job summary

bsport is seeking a Senior Backend Engineer to join the Community & Engagement team, building backend systems powering marketing and communications for studios worldwide. You will work on agentic AI initiatives, the marketing suite, and data foundations to enhance scalability and channel integrations.

You will design and evolve backend architectures, collaborate with colleagues across Product and Front-end teams, and drive engineering excellence while mentoring others in a fast-paced scale-up

Qualifications

• Experience building AI agentic solutions.
• Strong backend experience with OO languages.
• Experience designing scalable APIs and systems.
• Proficiency in English.

Responsibilities

• Design, build and maintain scalable backend systems powering marketing, communication and member data products.
• Take ownership of complex technical projects from architecture to deployment and improvement.
• Contribute to the re-architecture of core backend functionalities for scalability and maintainability.
• Collaborate with Product, Front-end Engineers and other teams to turn requirements into robust solutions.
• Drive engineering excellence through code reviews and best practices; mentor engineers.

Skills

AI agentic

LangChain

Python

Django

APIs

Backend architecture

Job description

We are bsport. The place to be!

bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.

Since we launched in 2019, we have already achieved the following:

• We’ve built a community of over 7 million users

• In December 2024 we have finalised the biggest Series B (€30 million)

• Grown our team to more than 200 employees

• Experienced strong worldwide growth (75% YoY) and rapid geographical expansion (+20 countries)

We’re continuing to grow to become the #1 tech partner for boutique studios in Europe and the rest of the world!

Join us to write the next chapter of your career!

About the role:

As a Senior Backend Engineer in our Community & Engagement team, you’ll help build and evolve the backend systems powering our marketing and communications capabilities, used by thousands of studios worldwide. Your team’s focus areas will include:

• Driving initiatives that bring bsport into the world of agentic AI

• Maintaining and evolving our marketing suite, including our Campaigns tool and workflow automation capabilities

• Building and scaling our SMS, email and push notification communication channels, as well as future integrations with new channels

• Helping our studios gain a better understanding of their community by improving the foundations of our member data

• Contributing to the re-architecture of core functionalities within bsport, from our member segmentation tools to our communications stack

What will be your impact:

As a Senior Backend Engineer, you will:

• Design, build and maintain scalable and reliable backend systems powering our marketing, communication and member data products

• Take ownership of complex technical projects, from architecture and implementation to deployment and continuous improvement

• Contribute to the re-architecture of core backend functionalities, helping us improve scalability, maintainability and performance

• Collaborate closely with Product, Front-end Engineers and other teams to turn business requirements into robust technical solutions

• Drive technical excellence through code reviews, best practices and thoughtful engineering decisions

• Help shape the technical direction of the team and mentor other engineers through your technical expertise and experience

You would be great fit if you have:

• Experience building AI agentic solutions to manage complex tasks, especially with LangChain suite.

• You have substantial experience in any current Object-Oriented backend language (familiarity with Python and Django is a plus)

• You have experience designing and building scalable backend systems and APIs

• You take ownership and pride in building exceptional products

• You’re detail-oriented, organized, and an effective communicator

• You thrive in dynamic, fast-paced environments and enjoy being challenged

• You have a strong understanding of software architecture, code quality and engineering best practices

• You are comfortable working on complex technical problems and making pragmatic engineering decisions

• You are professionally proficient in English

Diversity is one of our most valuable assets, and we are committed to fostering an inclusive environment where everyone can contribute their best work. We welcome applicants from all backgrounds, identities, and experiences to help us build a more inclusive, equitable team.

What We Offer

We believe great work comes from happy, supported people-that’s why we offer meaningful perks designed to promote balance, growth, and connection.

• Attractive compensation package Competitive salary packages based on your experience and role.
• Work-Life harmony Hybrid model with 3 days in the office per week
• Work from anywhere Enjoy up to 15 days of remote work from abroad each year.
• Private health insurance We offer fully-funded Alan private health coverage so you can focus on what matters most.
• Exclusive fitness perks Stay active with a specially discounted access to Wellhub.
• Flexible remuneration Enjoy tax reductions thanks to Alan Flex
• Diverse fun loving team Multicultural colleagues, after-work events, team-building & more.