About us
i6 provides the world’s most advanced end-to-end Aviation fuel management technology - enabling operational efficiency, transparency, and sustainability for airlines, fuel service providers, and suppliers.
Our cloud-based solutions digitise the entire aviation fuel lifecycle through real-time fuel inventory and into-plane management platforms, patented electronic refuelling technology, and advanced fuel analytics and insights.
With the adoption of our technology, our customers have been able to reduce thousands of tonnes of CO2 and benefited from millions in cost savings.
Your new role
In your new role as a Technical Lead at i6, you will take ownership of technical delivery and drive engineering excellence across our products, leading and line-managing a team of software developers while working hands-on in the codebase yourself.
You will coach and mentor your team to high standards, championing a design-first culture and ensuring we ship quality software on time. Working closely with the Product function and fellow Technical Leads, you'll shape our architectural strategy, foster knowledge sharing, and drive a culture of ownership and continuous improvement.
What you will do
Technical Delivery:
- Hands on development within the team, using our core tech stack (NodeJS, Typescript, React, Mongo DB, Docker, Kubernetes)
- Collaborate with other Technical Leads to ensure we have consistency and share knowledge
- Participate fully in, and contribute to, Sprint planning, retrospectives, standups and other ceremonies in a constructive and can-do manner
- Provide accurate estimates and complete tasks assigned within the timeframe specified, ensuring that all affected parties are involved in the estimation process, ensuring quality in deliverables
- Identify external dependencies of work items at the design stage so that they are considered before the build phase
- Review requirements, specifications and technical design documents to provide timely and meaningful feedback
- Take a leadership role in managing issues through to completion
- Drive technical innovation
- Share in the on-call rota and provide all necessary support during major incidents
- Participate in the on-call rota for at least 1 week every 6 weeks
- Augment engineering capability by using appropriate AI coding tools
Leadership & Management:
- Line management of 4-6 engineers within your team
- Use, coach and mentor other team members into using a design-first way of working (API-first, TDD, BDD, DDD)
- Proactively feedback issues and progress with team and process to the Engineering Manager
- Develop, maintain and review personal development plans of your team members and ensure that those plans align with the company’s strategy
Key Stakeholder Relationship Development:
- Communicate effectively, clearly, professionally and respectfully with all stakeholders, both internally and externally as appropriate (customers, product owners, developers)
- Assist in planning by ensuring we have well thought through designs and estimates
- Collaborate across the business to understand business, commercial and technical / testing requirements
Who you are
- As a guide a Tech Lead at i6 would typically have 8-10+ years relevant experience. If you do not have this level of experience but do have the below skills we are still keen to hear from you.
- Strong knowledge and experience with our core programming languages and technologies
- Critical: NodeJS, Typescript, React, Mongo DB and Docker
- Nice to have: NestJS, Kubernetes, iOS / Swift
- Strong technical leadership in SaaS, Cloud-based platforms—ideally with real-time, data-driven applications and event-driven architectures
- Focused on getting the best out of people and developing the team to be world-class, and believes in empowering teams while also holding them to account
- Solid understanding of OWASP Top 10 security issues and mitigation techniques
- Experience with Agile methodologies and delivery frameworks
- Strong grasp of architecture, and an ability to lead architectural decision making.
- Solid understanding of engineering best practices: CI/CD, code reviews, test automation, observability, performance management, security; and a track record of implementing them
- Excellent communication and collaboration skills across functions
- Experience with containerisation and orchestration platforms such as Kubernetes, preferably in GCP or AWS environments
- Deep understanding of event-driven design patterns and their application in scaling real-time, data-intensive SaaS platforms
- Familiarity with message brokers and event streaming technologies and their operational trade-offs
- Must have a mindset for sharing knowledge, creating and maintaining document repositories and ensuring seamless support for other business functions and stakeholders
- Practical experience of embedding AI development tools into engineering processes with measurable results
A bit more about us
- We’ve recently raised our Series B funding.
- We are a remote first company with offices in Farnborough and Manchester. A number of our team are fully remote and some teams are primarily remote, typically meeting in the office once a month.
- We aim for all of the company to come together for a day once a quarter.
- Our benefits include: 25 days annual leave + your birthday day off, private healthcare and 5% pension contribution.
i6 Group Rushmoor, England Office
Farnborough Airport, Ively Road, Rushmoor, United Kingdom, GU14 6XA


