About eSIM Go

eSIM Go exists to help businesses bring seamless, affordable connectivity to their customers, wherever they are in the world. We’re rethinking the traditional wholesale model: our platform combines modern technology with direct relationships with Tier 1 mobile network operators, so our partners can launch and scale connectivity products fast and win with mobile.

We’re growing quickly, and that growth comes down to our people. Technology runs through everything we do, but it’s a skilled, ambitious team that makes it work. That’s where you come in. 

About the role

As Engineering Lead at eSIM Go, you’ll take overall ownership of our engineering function, setting the technical vision and strategy across our full platform. You’ll lead a team of tech leads and engineers, raising the bar on quality and making sure what we build is robust, scalable and maintainable at every level.

You’ll work closely with Product and Partner Ops to shape a roadmap that delivers direct value to our partners, and sit within engineering leadership to set standards, structure and culture across the entire team. You’ll be the senior technical voice in the business, balancing delivery with the long-term health of our platform and our people.

Key responsibilities

• Set the technical vision and strategy for engineering, and own key architectural decisions across our platform.
• Build, structure and lead the engineering team, including engineering managers and tech leads, as the team scales.
• Design robust and scalable APIs and systems to support different interfaces (desktop, mobile, etc).
• Manage and optimise distributed systems in a cloud environment, with accountability for reliability, performance and cost.
• Own engineering hiring strategy, resourcing and budget, working with the People team to grow the team sustainably.
• Identify repeatable tasks and drive automation across the team.
• Champion automated and regression testing to ensure we deploy bug-free code.
• Own technical documentation, both internal and external (customer-facing, release notes, etc).
• Act as the senior technical point of contact for the wider business and for key partners.
• Mentor and grow engineering managers and tech leads, including supporting career development and technical upskilling across the function.
• Partner with Product and the leadership team on roadmap, estimation and technical trade-offs at a strategic level.

Required skills & experience

• 12+ years of experience as a full stack backend developer, including several years leading engineering teams or leading other leads/managers.
• Strong computer science foundations, mostly working in distributed systems.
• Proven track record setting technical strategy and making architectural decisions on a live product, at scale.
• Experience building and structuring an engineering function, including hiring, resourcing and budget ownership.
• Extensive experience designing and writing scalable APIs using REST architecture.
• Experience writing code in the Golang programming language.
• Experience in a modern JavaScript web framework, e.g. Svelte, Vue.js or React.
• Experience working in an AWS cloud environment.
• Experience working in Agile environments, including shaping how a team works.
• Familiar with API and web app security standards and authentication methods (API key, JWT, OAuth 2.0, etc).

Preferred skills & experience

• Bachelor’s degree in Computer Science, Mathematics or equivalent.
• Prior experience as a Head of Engineering or a Engineering Lead, ideally in a scaleup environment.
• Experience in other programming languages such as Java, .NET or JavaScript.
• Experience writing IaC scripts and managing CI/CD pipelines.
• Familiarity with frontend technologies such as Svelte, Vue.js or React.js.
• Experience with event-driven architecture.

Who you are

• A strategic leader who can set direction while staying close enough to the detail to make good calls.
• An excellent troubleshooter with a methodical approach to problem-solving.
• A natural leader who enjoys raising the technical capability of those around them, including other leads and managers.
• A strong communicator, comfortable working with stakeholders, partners and the leadership team, translating between technical and non-technical audiences.
• Comfortable working in a multicultural, multidisciplinary environment.
• Fluent in both written and spoken English.
• Collaborative and supportive, with a genuine passion for mentoring the team.
• Prior experience or interest in learning telecom.

What we offer

• Competitive compensation package.
• Performance-based incentive programme.
• Flexible work arrangements, including remote work options.
• Access to ongoing training, workshops and professional development resources.
• Generous leave policies including 25 days annual leave plus bank holidays, enhanced parental leave, Charity days & Life Events
• Regular company events and team-building activities.
• Clear growth opportunities and career advancement paths.