Full-Stack Software Engineer I

Kooth; United States; Remote; USD 48,000 - 62,000; Full time

Benefits offered by this job

Annual leave 28 days + holidays

Pension contributions

Health insurance (AXA) + EAP

Life assurance (4x salary)

Hybrid/remote working

Cycle to Work Scheme

Incapacity Income Protection

Job summary

Kooth, the UK’s leading digital mental health provider, seeks a Full-Stack Software Engineer I for UK remote work. You’ll contribute across the stack, building RESTful APIs with Node and frontends with React or React Native.

The role supports a growing platform aimed at helping young people worldwide. You’ll learn alongside senior engineers, shipping features with trunk-based development, automated tests, and infrastructure-as-code.

Qualifications

• Enthusiasm for software engineering across the whole stack.
• Problem-solving mindset and willingness to contribute to technical decisions.
• Knowledge of JavaScript or TypeScript, and PostgreSQL; experience delivering a web or native mobile app.
• A quality mindset and focus on maintainable, well-tested code.

Responsibilities

• Design RESTful Node APIs, React frontends and/or React Native mobile apps.
• Regularly release working software using trunk-based development, automated tests, and infrastructure-as-code.
• Incorporate performance, resilience, observability, maintainability, security and accessibility.
• Collaborate with other disciplines and build effective relationships.
• Align with user needs and Kooth commercial and operational goals.
• Deepen knowledge of trends and best practices through pairing and knowledge sharing.
• Shadow the out-of-hours on-call rotation.

Skills

Enthusiasm for software engineering

Problem-solving mindset

JavaScript/TypeScript knowledge

PostgreSQL experience

Web or native mobile app delivery

Maintainable, well-tested code

Tools

Node.js

React

React Native

PostgreSQL

Cloud / IaC basics

TypeScript

Job description

Location: UK Remote
Salary: £36.5k - £46.5k per annum
Department: Engineering
Reports To: Engineering Manager
Direct Reports: 0
Working pattern: Full time, 9am-5.30pm

Kooth is on a mission to remove the barriers that prevent people from accessing the mental health support they need. As the UK’s longest-established digital mental health provider, we create welcoming, accessible spaces where young people can access personalised, effective support in a safe and anonymous way.

Our early-intervention approach empowers young people aged 10–25 to build resilience, access timely support, and lead fulfilling lives. Today, Kooth’s products are available to over 18 million people across the UK and US, connecting them with qualified counsellors and a range of wellbeing resources when they need support.

Our culture is grounded in our values — Alongside You, Flexible, Compassionate, Committed, and Safe — which guide how we support young people, collaborate as a team, and create solutions that meet communities where they are.

You’ll be joining at an exciting time as we continue to grow our product-led strategy and expand access to digital mental health support through Soluna, our innovative behavioural health service for young people.

About the Role

This is a chance to apply your talents to the youth mental health crisis, and to grow as an engineer while you do it.

As a Full-Stack Software Engineer I, despite being at the start of your engineering career, you’ll be a meaningful contributor to your squad from the start: building features across the whole stack, learning alongside more senior colleagues, and making a real difference to Kooth’s product and business goals. It’s an exciting time to join: our new platform has been rebuilt from the ground up on modern tech, ready to support many more young people worldwide in 2027, with plenty of interesting problems still to solve together.

What you’ll be doing

• Designing and building RESTful Node APIs, React frontends and/or React Native mobile apps.
• Regularly releasing working software, using trunk-based development, automated test suites, and infrastructure-as-code principles.
• Incorporating requirements such as performance, resilience, observability, maintainability, security and accessibility.
• Collaborating with other disciplines, building effective working relationships.
• With your team, achieving a shared understanding of user needs, Kooth commercial and operational goals.
• Deepening knowledge of industry trends and best practices in software engineering, continuous integration, application design & architecture through pair/mob programming and other knowledge sharing approaches.
• Shadowing the out-of-hours on-call response rota.

Key Skills

• Enthusiasm for software engineering, across the whole stack
• A strong problem-solving attitude and willingness to contribute to technical decisions
• Some knowledge of Javascript or Typescript, and of database technologies such as PostgreSQL and experience in delivering a web or native mobile application
• A quality mindset, understanding what it means to ship maintainable, well-tested code.
• Focus on pragmatic delivery, able to take ownership appropriately
• Understanding of the benefits of agile processes, data-informed development, and reliability
• Strong communication skills, builds great colleague relationships across disciplines

Nice to have

• Web or mobile application development experience using React or React Native
• Experience with rapid application development techniques such as trunk-based development, automated testing at all levels and infrastructure-as-code.
• An awareness and curiosity about application design and architecture patterns
• Worked in a cloud native environment like GCP or AWS with Kubernetes
• Generous Annual Leave: Enjoy 28 days of annual leave, in addition to public holidays.
• Financial Security: Secure your financial future with our pension contributions.
• Health and Well-being: Prioritize your health and well-being with our comprehensive AXA Health Insurance and access to an Employee Assistance Programme (EAP). The EAP offers 24/7 telephone mental health support and access to GP consultations, ensuring your mental and physical health are taken care of.
• Life Assurance: Gain peace of mind knowing that you’re covered with life assurance, providing up to four times your annual salary to your loved ones in the unfortunate event of your passing.
• Flexible Working: Embrace the flexibility of hybrid/remote working, allowing you to create a work-life balance that suits your needs and maximizes your productivity.
• Lifestyle Benefits: Participate in the Cycle to Work Scheme, promoting a healthy and eco-friendly lifestyle, and take advantage of our Incapacity Income Protection to safeguard your financial stability in case of unforeseen circumstances.

At Kooth, we are committed to fostering an inclusive and diverse workplace that values and embraces the unique contributions of every individual. We believe in equal opportunities for all, regardless of race, colour, religion, gender, gender identity or expression, or sexual orientation.

Our dedication to creating a fair and unbiased environment is reflected in all aspects of our recruitment, hiring, and employment practices. We strive to provide a work environment that is free from discrimination, where every employee is treated with respect and dignity.

Request for Reasonable Adjustments: We are dedicated to providing reasonable adjustments to applicants and employees with disabilities or individuals who require accommodations to participate in the application process, interviews, or job‑related tasks. If you require any reasonable adjustments to ensure your equal participation in our recruitment process, please inform our Human Resources team.

Your openness will allow us to work together to provide appropriate accommodations and ensure a fair and accessible application and employment experience for everyone.

Kooth plc is committed to our responsibilities for safeguarding and promoting the welfare of children, young people and vulnerable adults. We are committed to recruiting candidates who share this commitment to safeguarding, and therefore we apply robust recruitment and selection procedures to ensure that the people selected are right for the job, and that all candidates are appropriately screened prior to appointment. This will include a DBS check.