Senior Backend Engineer - (Remote, Spain)

Bark.com; Madrid; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

Bark.com is hiring a Senior Backend Engineer based in Spain for a fully remote role. As part of an agile team, you will innovate and solve user problems while maintaining a focus on performance and scalability.

Your responsibilities will include developing APIs, mentoring engineers, and proposing improvements to the codebase. Candidates should have extensive Python experience and familiarity with SQL/NoSQL databases.

Formación

• 5+ years of experience using Python in a production environment.
• Experience defining, implementing, and testing APIs and event handlers.
• Strong organizational skills for a fast-paced environment.

Responsabilidades

• Work with development teams to implement software solutions.
• Build performant APIs and handlers.
• Mentor other engineers.

Conocimientos

Python expertise

API development

SQL databases

NoSQL databases

Docker and Kubernetes

Organizational skills

Herramientas

Datadog

ElasticSearch

MongoDB

Descripción del empleo

About Bark Bark is an online services marketplace connecting customers with professionals across over 1,000 categories. Operating in nine countries including the UK, US, Australia, Canada, and New Zealand, we're transforming how people find trusted service providers for everything from home improvement to professional services. Our platform uses cutting-edge technology to match customers with the right professionals quickly and efficiently. With a global team of over 220 people, we're currently undergoing an exciting transformation: migrating from a lead generation model to a full marketplace platform with subscription-based pricing. As a profitable, PE-backed scale-up (EMK Capital), Bark offers the best of both worlds: the agility and innovation of a fast-moving business combined with financial stability and resources for growth. We recently launched our new marketplace model in Australia (Q4 2025) and are preparing for rollout to the UK and US markets in 2026. You'll have genuine ownership, responsibility, and the opportunity to shape our commercial strategy during a pivotal transformation phase with the chance to make your own contribution to our journey.

About The Role

We are looking for a Senior Backend Engineer to join our growing team. You’ll become a core part of our small, highly agile team which is responsible for transforming our product. A/B testing and test‑measure‑learn approaches are close to our heart and you will work equally across figuring out solutions to user problems and how we will scale our technical systems. You’ll be someone who loves innovating and problem solving, and gets a kick out of working fast to develop prototypes and iterating to find the optimal result. You’ll work across our tech stack to solve a variety of challenges from our back‑end processes, to our APIs and to our front‑end product. We are in the middle of transforming and modernising our technology stack so you will have the opportunity and be encouraged to contribute to new technology decisions, helping to shape our technology strategy, adapting our architecture as we grow.

Important You must be based in Spain to be considered for this fully remote role.

Responsibilities

• Work with development teams and product managers to conceptualise and implement software solutions.
• Build elegant and performant APIs and handlers.
• Develop and manage well-functioning datastores and services.
• Proactively propose and implement improvements to the codebase.
• Mentor other engineers to support their growth.
• Design and code solutions for systems with a high volume of transactions a second.
• Work with other high performing departments to revolutionise the product.

Required Skills and Experience

• Expertise and extensive experience using Python in a production environment (Minimum 5+ years).
• Defining, implementing and testing:
  • APIs
  • Event Handlers
  • Business logic
• Integrations with 3rd party systems.
• Production SQL and NoSQL database experience.
• Using Docker in production, ideally with Kubernetes or Fargate/ECS/EKS.
• Experience building, maintaining, testing and documenting features to be used by other developers both internally and externally.
• Strong organisational skills.
• Ability to achieve goals in a highly innovative and fast-paced environment.

Desired Skills and Experience

• Familiarity with the AWS ecosystem.
• Experience with cloud monitoring systems, such as Datadog.
• Experience with ElasticSearch, MongoDB or similar.
• Interest in AI as a tool for increasing developer efficiency.

Diversity Statement

At Bark, we are a platform for people, revolutionising the way professionals and individuals connect since 2014. Our culture is defined by excitement, ambition, and a commitment to raising the bar. We value diversity, equity, inclusion, and belonging (DEIB) and are dedicated to embedding these principles into everything we do. We are committed to fostering an inclusive environment where everyone can thrive, and our focus is on hiring, retaining and developing a globally diverse workforce that is passionate about excelling our platform and supporting our customers succeed.