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Senior Full Stack Engineer (Remote, Spain)

Bark
SpainRemotefull_timeVerifiedPosted 10 Jun 2025

About the role

About Bark

Bark is revolutionising the way people find professionals in over 1,000 unique categories. As the UK's largest and fastest-growing services marketplace, we're on a mission to make finding the right professional quick and easy. With a presence in eleven countries and plans for further expansion, joining us at this genuinely exciting time will be a journey like no other.

Our cutting-edge technology ensures that you can always find the best professional for any job. With a talented team of over 200 dedicated individuals, we're committed to providing exceptional service and ensuring that our customers are satisfied every step of the way.

This is an exciting time to join our scaling business, we recently placed in the Sunday Times Best Places to Work 2024, and previously were 64th in the Sunday Times 100 fastest growing private tech companies in 2023.

As a profitable scale-up, Bark is in a unique position to offer the best of both worlds; the excitement and agility of a start up combined with the financial security and backing of a renowned private equity firm, EMK Capital. You'll have ownership, agility, responsibility and stimulation without any of the worry.

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 specification

Required Skills and Experience

  • 5+ years experience working with Python.

  • 4+ 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 store

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Company

Bark

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