Senior Backend Engineer, Liberty Global
5 days a week in office (Southwark, London )
Global telecoms company & tech investor
Be an early applicant
Global telecoms company & tech investor
1001+ employees
Be an early applicant
5 days a week in office (Southwark, London )
1001+ employees
Company mission
To build tomorrow’s connections today, bringing people together through the power of technology.
Role
Who you are
- We are a dedicated and high-performing team, accustomed to working at pace in an ever-evolving industry, and we are looking for people who are as passionate as us about cutting carbon emissions and providing cleaner air for all
- Proven track record of delivering scalable and secure applications
- Experience working with cloud-based environments, particularly AWS
- Familiarity with performance optimization and debugging tools
- Knowledge of database design principles and SQL optimization
- Ability to understand and consider the broader business context and long-term implications of technical decisions
- Willingness to take ownership, innovate, and proactively seek opportunities to drive impact beyond immediate tasks
- Strong focus on delivering solutions that align with business goals and address real-world challenges effectively
- Commitment to delivering exceptional user experiences by prioritizing customer needs and feedback throughout the development process
- Demonstrate enthusiasm, resilience, and a can-do approach to tackling challenges and driving success
- Expertise in Python, FastAPI, SQLAlchemy
- Proficiency with containerization tools like Docker and infrastructure-as-code tools such as Terraform
- Familiarity with OCPP/OCPI protocol integration
- Experience designing scalable APIs and microservices
- Excellent communication skills and a collaborative mindset
What the job involves
- We are seeking an experienced Senior Software Engineer (Backend) to lead the development of our in-house Charge Point Management System (CPMS) and customer-facing app and web portal
- Reporting into the Head of Engineering, this role will be responsible for enhancing these platforms to achieve feature parity with the incumbent SaaS solution
- Following the migration, the focus will be on designing and implementing innovative features to create a market-leading, scalable, and secure platform
- Develop scalable and secure applications using Python with FastAPI on the backend
- Design and implement reusable, modular code for both client and server-side components
- Define and build RESTful APIs and microservices using FastAPI that are efficient, secure, and scalable
- Create data models with SQLAlchemy for seamless database interaction
- Conduct performance profiling and debugging to optimize system speed and reliability
- Use containerization tools like Docker for scalable deployments
- Integrate OCPP/OCPI protocols into the CPMS to enable seamless communication with charging hardware and integration with third-party services like EV roaming and payment service providers
- Partner with product managers and designers to define technical requirements and ensure alignment with business goals
- Mentor junior developers, providing guidance on best practices and code reviews
- Stay updated with industry trends and implement improvements to ensure the system remains cutting-edge
- Explore new tools & libraries which can improve the system, building prototypes to test
- Integrate feedback from customers into the product, and define and deliver metrics to improve the product
Salary benchmarks
Our take
Liberty Global is a world leader in broadband, video, and mobile communications, responsible for top brands such as Virgin Media-02 in the UK, VodafoneZiggo in The Netherlands, and Sunrise in Switzerland. The company also actively invests in and launches infrastructure, content, and technology ventures, such as EV charging network company Believ (formerly Liberty Charge), green energy brand Egg, and AtlasEdge Data Centers, among others.
The company has been undeniably successful, having created an impressive family of brands containing both big names and smaller innovators - its investment arm has a portfolio of more than 75 companies ranging from ITV to cloud-native app protection platform Lacework. In its own words, its scale allows it to "transfer knowledge and expertise across our operations and investments", enabling all brands within its roster to benefit from its industry leading experience.
Freddie
Company Specialist at Welcome to the Jungle
Insights
4% employee growth in 12 months
Company
Company benefits
- Comprehensive health plan
- Paid volunteer time off
- Healthy food and snacks
- Flexible working
- Learning and development opportunities
- Retirement scheme
Company HQ
Hammersmith, London, UK
Leadership
Mike Fries
(CEO)Was a member of the Liberty Global founding team, and launched the company’s international expansion. Since then, they have served in various strategic and operating capacities, finally being appointed as CEO in 2005.
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