Who We Are
Our key mission is to empower businesses to bring seamless, affordable connectivity to their customers, wherever they go. We bring a new disruptive approach to the traditional wholesale business model, combining best in class technology with Tier 1 Mobile Network Operators. With our support, businesses all over the world are unleashing the power of connectivity to their customers, and the huge growth we’re enjoying now is a testament to our hard work and highly skilled team.
We leverage technology in everything we do, but it’s our people who really make the magic happen.
We move fast, and as our company grows new opportunities continue to arise. If you’re looking to accelerate your career in a fun, energetic and forward thinking company, get in touch.
The Role Overview
We are seeking a highly experienced and hands-on Senior Data Engineer to take technical ownership of our data platform's architecture and future roadmap. This role involves leading complex projects end-to-end, mentoring team members, and partnering with senior business stakeholders to translate strategic requirements into scalable data solutions.
What You’ll Be Doing
As a Senior Data Engineer, you will be a key driver in the design, scaling, and governance of our core data platform:
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Design, build, and deploy highly scalable and resilient ELT pipelines and data transformation architectures.
- Architect and govern the Snowflake data warehouse environment, implementing advanced performance tuning and cost optimisation strategies.
- Establish best practices and technical standards for dbt modeling, ensuring data quality, lineage, and comprehensive documentation.
- Define and implement proactive monitoring, alerting, and incident response frameworks to ensure maximum platform reliability and stability.
- Own the technical roadmap for data governance, reliability, security, and observability across the entire data ecosystem.
- Collaborate and influence senior stakeholders across Finance, Commercial, Product, and Operations to shape the overall data strategy.
- Provide technical guidance and mentorship to other Data Engineers on design patterns, complex problem-solving, and code reviews.
What You’ll Need
Deep expertise and a proven track record with:
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Snowflake architecture, performance tuning, and governance.
- dbt (dbt core or dbt Cloud) and establishing rigorous data modeling and quality standards.
- Advanced SQL and Python for building complex, production-grade data applications.
- Designing and operating robust ELT / ingestion tooling and frameworks.
- Extensive experience designing, securing, and operating cloud infrastructure (AWS preferred).
Highly Desirable
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Experience managing and optimising Airbyte or equivalent ingestion platforms in a production environment.
- Deep knowledge of AWS S3 and related storage best practices.
- Expertise in Git-based workflows, CI/CD, and infrastructure-as-code (IaC) concepts.
- Experience with Tableau or equivalent BI tooling, specifically in optimising data sources for large-scale reporting.
- Specialised experience building or auditing core revenue or finance reporting datasets.
We are looking for someone who is:
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A strategic and delivery-focused leader, comfortable driving technical roadmaps in a dynamic scale-up environment.
- Exceptional at communicating complex technical concepts and influencing decision-making among both technical and non-technical stakeholders.
- Proactive in identifying architectural risks, defining system gaps, and driving fundamental improvements across the data ecosystem.
- Comfortable owning the full lifecycle of complex technical problems, from conceptual design and stakeholder alignment to final resolution.
- Able to operate effectively and collaboratively within a distributed, remote-first team setting, acting as a technical resource for others.
What We Offer
At eSIM Go, we value our employees and provide a positive and rewarding work environment. You can expect to enjoy the following benefits:
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Competitive Compensation: A base salary of £70,000-£80,000
- Performance-Based Incentives: A performance-based incentive program to encourage and reward exceptional performance.
- Flexible Work Arrangements: We offer flexible work arrangements, including remote work options, to support your personal and professional commitments.
- Professional Development: Access to ongoing training opportunities, workshops, and resources to enhance your skills and knowledge.
- Generous Leave Policies: Paid time off policies, including vacation days, sick leave, and public holidays.
- Company Events and Team Building: Regular company events and team-building activities to foster camaraderie and celebrate our successes together.
- Opportunities for Advancement: Growth opportunities and career advancement based on performance and potential.
We relish a challenge. If you share that passion, let’s talk. Apply now to become an integral part of our exciting journey with eSIM technology.
Please visit https://esim-go.com/ for more information
