SumoShift - Full Stack Developer


SumoShift – Full Stack Developer

Job Summary

Two Full Stack Developers – JavaScript, experience with Ruby on Rails, React Native preferable for Cardiff/Newport startup.

Applicants must have demonstrable experience of developing web and/or mobile applications using JavaScript and/or Rails. Applicants should also have experience of agile development practices.

This is a great opportunity to ‘get in early’. We’re in an exciting position of having a live MVP, finances for current operations and a vehicle for further funding expected in the coming months. Successful candidates will have options for equity as the company and team grows.

Job Type / Category

Persona Ltd has recently launched SumoShift, a modern take on crowd-sourcing suitable short and long term hires via mobile app. With a rapidly growing customer base, Persona Ltd is seeking 2 developers keen on mobile app design and technologies to advance the development of SumoShift.

The company is in the process of securing further funding to take SumoShift to the next level. Persona Ltd is partly owned and funded by Welsh Government and Wesley Clover, as well as other private investors.

We’re looking for committed individuals who want to be part of the start of something that has the potential and network to grow. The successful applicants will be given the opportunity to contribute to the architectural decision-making process, develop new features and product ideas and work within a collaborative agile team environment.

We want individuals who are looking to make an impact and have drive and ambition for knowledge and professional development.

Required Education, Skills and Qualifications

Excellent coding experience in Javascript, with particular attention to React Native preferable.

Experience with Ruby on Rails

Experience with both backend and frontend development

Experience using Git.

Good HTML5 and CSS3

Strong design, data and algorithm experience

Any experience with API or Data Engineering

Node.JS Experience

2 years experience of developing web or smartphone applications.


Relevant training opportunities, both in-house with associated providers, as well as funded opportunities elsewhere.

Discount prices with associated gyms and leisure facilities.

Lunch is included whilst we’re based at our Coldra Woods offices. However, we are looking to move to Cardiff in the medium term.

Job Type: Full-time

Salary: Competitive


Who are we?

SumoShift has developed a platform which allows businesses to capitalise on the emergence of the ‘gig’ economy. Its smartphone app and website provides a platform designed to meet the growth in flexible working practices which are predicted to become over 50% of the total employment market within 10 years. The company is currently based next to the Celtic Manor Resort in South Wales. We are backed by prominent investors including Sir Terry Matthews.

More about SumoShift

How do I apply?

We want to work with the best and brightest people, if you do too and think you would be a good fit as a Full Stack Developer, please email your CV to and tell us a bit about yourself and what you can bring to SumoShift!

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