Senior Software Engineer (Full-Stack)

TryHackMe; Greater London; Remote; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Dedicated work laptop and accessories

£2,500 training budget for certifications

Annual fully paid retreat

Company virtual lunches funded

Health Insurance

Enhanced Maternity & Paternity

401k / Pension Retirement savings plan

Health Insurance

Enhanced Maternity & Paternity

401k / Pension

Job summary

A fast-growing cybersecurity training platform is seeking a Senior Full Stack Engineer to develop features for millions of learners. This role involves maintaining existing code and collaborating with a cross-functional team. Responsibilities include designing reliable software solutions, mentoring developers, and monitoring system performance. Ideal candidates have 5+ years in software engineering, leadership experience, and expertise in the MERN stack. This position supports 100% remote work and offers various perks for personal development.

Qualifications

• 5+ years of experience in software engineering, including front-end and back-end development.
• Hands-on experience in a startup or scale-up SaaS environment.
• Leadership experience in a software engineering team.
• Proficiency in MERN stack and cloud platforms.
• Strong communication in English.

Responsibilities

• Design and implement software solutions that meet business requirements.
• Monitor and analyze system performance to resolve bottlenecks and issues.
• Participate in Agile practices including sprint planning and retrospectives.
• Participate in code reviews, design reviews, and engineering meetings.
• Develop and maintain databases and data models; optimise queries.
• Monitor system performance and resolve bottlenecks.
• Stay informed of trends and share knowledge with the team.
• Participate in Agile practices and continuous improvement.

Skills

5+ years of experience in software engineering

Hands-on experience in a startup or scale-up SaaS environment

Leadership experience in a software engineering team

Proficiency in Git, Node.js, CSS, HTML, jQuery, JavaScript, React, TypeScript, Redux, MongoDB, AWS

Strong understanding of software architecture and design principles

Experience with CI/CD pipelines

Knowledge of cloud platforms (AWS, Azure, GCP)

Excellent understanding of Agile and Scrum

Interest in cybersecurity or edtech

Strong leadership and problem-solving skills

Tools

Git

CI/CD tools

AWS

Node.js

React

TypeScript

MongoDB

Job description

Senior Full Stack Engineer

TryHackMe is a fast‑growing online cybersecurity training platform that makes learning and teaching cybersecurity easier through gamified exercises and challenges. With over 5 million community members, we’re expanding as an AI‑first company.

Your role will involve everything from maintaining the current code base to developing new features that enable millions of learners. This position focuses on growth engineering, moving concepts from ideation to launch through iterative build‑measure‑learn cycles. You’ll work closely with a small cross‑functional team: two engineers, a product manager, and a designer.

• Design and implement software solutions that meet business requirements while addressing scalability, reliability, and security.
• Collaborate with product managers, designers, tech leads, and other developers on project plans and technical execution.
• Mentor and coach developers, providing technical guidance and feedback.
• Participate in code reviews, design reviews, and engineering meetings to maintain quality and adherence to TryHackMe technical standards.
• Write high‑quality, maintainable code using modern frameworks: JavaScript, TypeScript, Node.js, React.
• Develop and maintain databases and data models, and create and optimise queries.
• Monitor and analyse system performance to identify and resolve bottlenecks and issues.
• Stay informed of emerging trends and technologies in software development and share knowledge with the team.
• Participate in Agile practices (sprint planning, stand‑ups, retrospectives).
• Contribute to continuous improvement of development processes and practices.

Skills & Requirements

• 5+ years of experience in software engineering, including front‑end and back‑end development.
• Hands‑on experience in a startup or scale‑up SaaS environment.
• Leadership experience in a software engineering team.
• Proficiency in Git, Node.js, CSS, HTML, jQuery, JavaScript, React, TypeScript, Redux, MongoDB, AWS (MERN stack).
• Strong understanding of software architecture and design principles.
• Experience with CI/CD pipelines.
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Excellent understanding of Agile and Scrum.
• Interest in cybersecurity or edtech.
• Strong leadership and problem‑solving skills; comfortable communicating in English.

Benefits & Perks

• 💸 Salary – Determined by location, seniority, interview performance, and market rates.
• 🚣 100% Remote – Work from anywhere.
• 💻 Tools – Dedicated work laptop and accessories.
• 👕 Swag Pack – Branded items at start.
• 💪 Personal Development – £2,500 training budget for certifications.
• ⛱️ Company Retreat – Annual fully paid retreat.
• 🍕 Lunch on us – Company virtual lunches funded.
• 🧡 Health Insurance – Provided where public healthcare is inadequate.
• 🍼 Enhanced Maternity & Paternity – In addition to statutory.
• 💸 401k / Pension – Retirement savings plan.

Hiring Process

• Stage 1: Introductory call.
• Stage 2: Interview with Software Engineering Management.
• Stage 3: Live‑Coding Challenge with Engineers.
• Stage 4: Culture Fit call with one of the Co‑Founders.