Full-Stack Software Engineer II

TN United Kingdom; United Kingdom; Remote; GBP 45,000 - 55,000; Full time

Job summary

An innovative social enterprise is seeking a Full-Stack Software Engineer II to contribute to the UK's largest digital mental health platform. This role involves designing and building RESTful APIs, developing React frontends, and ensuring software quality through automated testing and infrastructure-as-code. Join a dynamic team that values collaboration and continuous learning while making a positive impact on young people's mental health. With flexible remote working and a commitment to professional development, this opportunity is perfect for passionate engineers looking to thrive in a supportive environment.

Benefits

28 days annual leave plus public holidays

Annual professional training programs

Pension contributions and share options

Health Shield coverage

Employee Assistance Programme

Life assurance up to four times salary

Remote working flexibility

Qualifications

• Passion for full-stack software engineering with a focus on user needs.
• Strong problem-solving and technical decision-making skills.

Responsibilities

• Design and build RESTful APIs and React frontends.
• Release functional software regularly with a focus on quality.

Skills

Full-Stack Software Engineering

Problem-Solving Skills

System Architecture Understanding

Maintainable Code Commitment

Agile Development Knowledge

Excellent Communication Skills

Tools

React

React Native

Node.js

GCP

AWS

Kubernetes

Job description

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Job Title: Full-Stack Software Engineer II

Reports to: Engineering Manager

Direct Reports: 0

Location: Remote - UK based only

End Date: 6/5/25

Kooth offers an exciting opportunity to join a fast-growing social enterprise focused on digital mental health support across the UK.

As the UK's largest digital mental health platform for young people aged 10-25, in partnership with the NHS, Kooth leverages insights from over one million hours of professional support to guide users to appropriate help options.

Role Objective

The Engineer II is a key technical contributor, working under guidance to impact product and business objectives positively.

What you’ll be doing

• Designing and building RESTful Node APIs, React frontends, and React Native mobile apps.
• Releasing functional software regularly, employing trunk-based development, automated testing, and infrastructure-as-code.
• Ensuring performance, resilience, observability, maintainability, security, and accessibility.
• Collaborating across disciplines to build effective relationships.
• Aligning with team to understand user needs and organizational goals.
• Enhancing industry knowledge through best practices and knowledge sharing.
• Developing code individually and via pairing.
• Supporting onboarding and mentoring junior team members.
• Participating in out-of-hours on-call rotations.

Requirements

Key Skills

• Passion for full-stack software engineering.
• Strong problem-solving skills and technical decision-making.
• Understanding system architecture and providing feedback for development.
• Commitment to maintainable, well-tested code.
• Pragmatic delivery and ownership skills.
• Knowledge of agile, data-informed development, and reliability principles.
• Excellent communication skills fostering cross-disciplinary relationships.

Nice to have

• Experience with React or React Native for web or mobile development.
• Experience with trunk-based development, automated testing, and infrastructure-as-code.
• Interest in application design and architecture patterns.
• Experience with cloud environments like GCP or AWS with Kubernetes.

Benefits

• Salary up to £55,000 based on experience.
• 28 days annual leave plus public holidays.
• Annual professional training programs.
• Pension contributions and share options.
• Health Shield coverage and Employee Assistance Programme.
• Life assurance up to four times salary.
• Remote working flexibility.

We value diversity and are committed to an inclusive workplace, ensuring equal opportunities and reasonable adjustments for applicants with disabilities. Kooth also prioritizes safeguarding and conducts robust recruitment procedures, including DBS checks, to protect vulnerable groups.