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Full Stack Developer



Posted over 30 days ago...


Join Tandem as they are looking for a Full Stack Developer


icon Salary

No salary declared 😔

icon Location

London, United Kingdom

icon Expires

Expires at anytime

Job Title: Full Stack Developer
Working Pattern: Monday to Friday (09:00-17:00)
Salary: dependent on experience + up to 20% bonus + benefits
Location: Flexible, we could support fully remote or hybrid working from any of our UK offices in London, Cardiff, Durham, Manchester, or Blackpool

We’re building an amazing team and we’re looking for a hard-working and driven full stack developer to support us on our journey. The main purpose of the role is to work within a development team to assist in the design, development and maintenance of event-driven micro-services and fintech products.

About Tandem

We’re Tandem. The UK’s fairer, greener, digital bank providing hard working people across the UK with greener ways to spend, borrow and save.

With more than 500 people in London, Blackpool, Cardiff, Durham and Manchester, all working together to create a fairer, greener, more accessible bank for people across the UK.

We’re on a mission to proactively help our customers to reduce their carbon footprint and accelerate the UK to net-zero carbon emissions by 2050 and we need more people to help us achieve this goal.

We've taken the beliefs, behaviours, and personality and created four underpinning values. These values demonstrate our guiding principles and behaviours for everyone at Tandem. Our ambition is that these values are ingrained and always front of mind when we're engaging with our stakeholder audiences.  Our values are BRAVE, ENTERPRISING, SIMPLE and TOGETHER.

Our Team

We are a diverse, cross-functional, multi-cultural, agile team of various skill levels with strong leadership. We are committed to helping everyone develop and succeed, and actively encourage learning and knowledge sharing. We believe that the right people to solve technical challenges are technical people, and strive to empower them to do so.

What you will be working on:

  • Write clean, high quality, testable, secure, maintainable and extendable code
  • Implement, test and launch new features on our fintech platform
  • Collaborate to produce designs and documentation for planned features
  • Maintain existing services and codebases

What we're looking for:


  • Solid experience with Typescript / NodeJS
  • Solid experience with C# / ASP.Net Core or Java and a willingness to work with either
  • Knowledge of Databases and Data Modelling
  • Knowledge of core front-end principles and technologies
  • Excellent written and verbal communication skills
  • Ability to work well with others in multi-functional teams
  • Excellent problem solving and analytical skills


  • Experience with Java development
  • Experience with CI/CD environments
  • Experience with Agile project delivery and iterative software development.
  • Knowledge of cloud-based / containerized services
  • Knowledge of Kafka or similar event streaming system
  • Experience with building and deploying event-driven micro-services

Our rewards are getting a big update, with enhancements due to land in early 2023! 
Current Rewards

  • 25 days annual leave plus 8 days bank holiday
  • 1 day off for your birthday
  • Electric Vehicle scheme
  • Free cereal and snacks in the office
  • Cycle to work scheme and a free helmet
  • Perkbox for treats and discounts
  • Pension contribution
  • 2 days per year paid volunteering

Take part in our Green Deal

  • Volunteer 2 days a year for charity > receive an early Friday finish
  • Raise £200 per annum for charity > Tandem provide PR and marketing support
  • Have renewable energy at home > receive an additional 1-day annual leave
  • Drive a lower emissions or hybrid car > free raffle entries with the chance to win a weekend away for 2
  • Drive an electric car > receive £500 towards a home charger

Sourcing Model

Recruitment at Tandem works primarily on a direct sourcing model and does not accept resumes from recruitment agencies which are not on the preferred supplier list. We are not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

You can find our Applicant Privacy Policy on our Carrers page.

Tandem is an equal opportunity employer and are committed to meeting our responsibilities under the Equality Act (2010). We respect the diverse experience and talents that every individual brings to our Company, and we are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable.

Please be aware that background checking (including credit and criminal records checks) form part of our recruitment process. We will adhere to our duties under the Rehabilitation of Offenders Act 1974.


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