Senior Full Stack Engineer - (Remote, Spain)

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 Full-Stack 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. AB 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.

*Please note you must be based in Spain to be considered for this fully remote role.

Responsibilities

• Build elegant and performant APIs and Backend solutions

• Translation of UX/UI designs into production quality front-end experiences, using our proposed Front End stack (React, Typescript)

• Develop and manage well-functioning databases and applications

• Convert business requirements into high-quality, production-ready solutions while collaborating with other engineers to develop a fully functional and working product

• Proactively propose and implement improvements to the codebase

• Mentor other engineers to support their growth

• Design and code solutions for systems with 1000s of transactions a second

• Collaboration with product managers and designers to create prototypes necessary for usability evaluations, A/B and MVP testing and development specifications

Required Skills and Experience

• 5+ years experience working with Python.

• 3+ years of experience working with React.

• Ideally, 50/50 front-end and back-end experience (though we’re open to candidates with a 30/70 split if the fit is right)

• Experience building scalable, high-performing web applications

• Production MySQL experience; strong SQL skills

• Experience building, maintaining, testing and documenting APIs 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

• Experience working with Python Frameworks, particularly with FastAPI

• Experience working with ReactJS or TypeScript

• Using Docker in production, ideally with Kubernetes or Fargate/ECS/EKS

• Familiarity with the AWS ecosystem. Knowledge of SQS (or similar such as RabbitMQ), SNS (or Kafka), and how they are used

• Experience with other data stores like ElasticSearch, DynamoDB or similar

Perks and Benefits

• 25 days of paid holiday, with extra days added at 3 and 5 years of service.

• Fully remote working, plus up to 20 days each year to work from anywhere in the world.

• Cobee wellbeing platform with flexible benefits: meal vouchers, travel vouchers, gym memberships, private medical etc..

• A €250 allowance towards essential home office technology to help you stay connected and productive.

Interview Process

• Screening Call with Talent Partner (30 mins)

• 1st Stage - Hiring Manager Stage (30 mins)

• 2nd Stage - Technical Task (60 mins)

• 3rd Stage - Values interview (30 mins)

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. Be part of our dynamic team, where bold ideas thrive, and create a future worth shouting about.