Senior Fullstack Engineer
Application Deadline: 31 May 2026
Department: Engineering
Employment Type: Permanent - Full Time
Location: London
Compensation: £70,000 - £85,000 / year
Description
About us
We're GEEIQ (pronounced ‘Geek') and we’re a data platform and insights provider that’s used by the likes of Gucci, Walmart, L’Oreal and Porsche to navigate and engage virtual worlds. Think Ralph Lauren in Fortnite, or Elton John in Roblox.
We believe that the metaverse hype is over and that brands demand more than just visibility when it comes to activating in these spaces, they need to be able to measure, attribute and identify tangible revenue opportunities. That’s where our platform comes in.
Located in the heart of London, GEEIQ is a team of ~40 innovators, with ambitious growth plans in the next 24 months. We’re predominantly office based, where we foster a culture of collaboration and innovation. Every idea is valued and every team member plays a pivotal role in shaping the future of digital brand experiences.
Our team
Our Engineering team plays a critical role developing and refining the GEEIQ data platform that helps and empowers our clients—from major brands to emerging players in various industries— to navigate the complexities of the metaverse and virtual worlds.
The GEEIQ engineering team is extremely collaborative, working together to not only build a great platform, but also a great team. We are on a mission to build the leading platform for brands navigating virtual worlds, and the reliability and scalability of that platform are paramount to our success.
GEEIQ engineering is on a mission to transform raw data into digestible and actionable strategies, helping brands become intrinsic parts of virtual environments, seamlessly integrating and engaging with diverse virtual audiences.
Your focus
As a Senior Fullstack Engineer at GEEIQ, you will be pivotal in both frontend and backend development, crafting responsive and scalable web applications.
This role demands a strong command of software architecture across the stack, from UX/UI design principles to sophisticated backend integrations. You will design and implement APIs using JavaScript, TypeScript, and React, ensuring seamless functionality and optimal performance.
We are seeking a proactive and experienced engineer who thrives in a scaling organisation and excels at leading projects from conception with high complexity. The ideal candidate will not only push the boundaries of code but will also drive the team and domain to meet and exceed goals.
Key Responsibilities
- Data Pipeline Architecture Design and implement robust data pipelines ensuring scalability and efficiency; optimises data flow between our databases (MySQL, MongoDB) and applications.
- Full-Stack Development Develop high-quality, scalable applications using NodeJs, Typescript, and React; collaborate with cross-functional teams to integrate new features and technologies.
- Cloud and Containerization Solutions Manage and optimise AWS cloud infrastructure for high availability and fault tolerance; implement and maintain Kubernetes clusters for container orchestration.
- Database Management Develop and optimise SQL and NoSQL database solutions; ensure data integrity and performance in database operations.
- Code Quality and Review Uphold high standards of code quality through regular code reviews and automated testing; mentor junior developers and promote a culture of continuous learning.
- Project Leadership Lead development projects, including planning, execution, and delivery; coordinate with stakeholders to define project requirements and timelines.
What we're looking for
- Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- Experience: +6 years of proven experience in an Engineering role; extensive experience in full-stack development with a strong focus on frontend technologies, particularly JavaScript, TypeScript, and React; strong expertise in JavaScript/TypeScript and familiarity with backend technologies like Node.js; proficiency in SQL and experience with database technologies like MySQL, PostgreSQL, or NoSQL databases; experience with front‑end frameworks and state management libraries such as Redux or Context API; experience with cloud services like AWS or Google Cloud Platform, particularly in deploying and managing applications; familiarity with RESTful API design and development, and potentially knowledge of GraphQL; strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs and ensure the seamless integration of front‑end and back‑end components; excellent communication and leadership skills, with the ability to mentor junior team members and collaborate effectively with various stakeholders, including UX/UI designers and product managers.
- Passion: Individuals who are passionate about the virtual world and have a genuine interest in working for a high‑growth company in an exciting industry.
- Industry: Previous experience in marketing technology products, a startup or a SaaS company would be a huge benefit.
- Curiosity: You understand new trends in technology and the evolving relationship between brands and their consumers. We want our team to be enthusiastic about the industry we work in and the people we work with.
Benefits
- Every team member who joins GEEIQ is enrolled into our share option structure after passing probation. The amount allocated will depend on a number of factors, including your position within the team and the performance of the company - but it’s a great opportunity to have true ownership of the company.
- We offer 25 days holiday as standard, with a bonus annual GEEIQ Day to use any time you choose.
- We also have a thriving company culture, with regular socials and lots of fun team events like quizzes, sports days, Hackathons and Bake Offs!
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