Senior Java Spring Boot Software Engineer (m/w/d)
Zenobē
Company Overview
Zenobē Energy Limited
London, United Kingdom
2016
Approximately 200 employees and over £2.3 billion raised in funding since 2017 (source: zenobe.com).
What They Do
Zenobē specializes in battery energy storage systems (BESS) for grid-scale applications, focusing on enhancing power grid stability and facilitating electric vehicle (EV) fleet electrification. Their offerings include comprehensive solutions such as turnkey fleet electrification, which encompasses fully financed charging infrastructure, grid connections, vehicle-battery management, and proprietary software. Additionally, they provide large-scale BESS for ancillary services, including fast reserve and frequency balancing, as well as refurbished second-life batteries for various applications (source: zenobe.com). With approximately 1,135MW of grid-connected batteries live or under contract, Zenobē supports over 2,000 electric vehicles globally, catering to a diverse range of clients from public transport fleets to industrial sites (source: cbinsights.com). Their competitive edge lies in being the UK's leading owner-operator of transmission-connected battery storage, leveraging vertical integration and software-driven optimization to maximize battery lifecycle efficiency (source: zenobe.com).
Projects & Track Record
Zenobē has successfully completed several notable projects, including the Wishaw battery storage site in North Lanarkshire, Scotland, which features a 50MW system capable of storing wind power for 130,000 households for two hours, inaugurated at the end of 2023 (source: energy-focus.net). By late 2020, the company operated around 75MW of UK grid-scale batteries and supported approximately 100 electric buses under managed service (source: youtube.com). Ongoing projects include the Kilmarnock South battery project in Scotland, which is set to come online in 2025, and six new electric bus depots across West and South Auckland, New Zealand (source: zenobe.com). Their geographic presence spans multiple regions, including the UK, Australia, New Zealand, North America, and Benelux, with significant investments aimed at doubling storage capacity in Scotland (source: energy-focus.net).
Recent Developments
In the past two years, Zenobē has made significant strides, including the inauguration of the 50MW Wishaw site in late 2023 and the groundbreaking of the Kilmarnock South project in January 2024, which aims to balance the grid using green energy from wind farms (source: energy-focus.net). The company also opened Australia's first multi-user electric truck charging hub in Sydney, further expanding its footprint in the EV sector (source: zenobe.com). Zenobē has secured debt financing for battery energy storage systems and is on track to achieve 1.2GW of storage capacity by 2026, demonstrating its commitment to scaling operations (source: zenobe.com). Additionally, they participated in National Grid ESO's Constraints Collaboration Project, proposing enhancements for flexible battery capacity (source: zenobe.com).
Working There
Zenobē offers a variety of roles across multiple departments, including power engineering, technology (R&D, product development for EV charging), finance, and operations. The company is headquartered in London, with additional operations in Australia, New Zealand, North America, and Benelux, indicating a diverse and international workforce (source: zenobe.com). The culture at Zenobē emphasizes innovation and agility, with a focus on balancing commercial and environmental priorities to achieve net-zero goals. Employees are encouraged to engage in practical challenges and contribute to quantifiable changes alongside clients (source: zenobe.com). While specific benefits are not detailed, the company’s managed services model suggests a commitment to long-term asset strategies that may parallel employee value (source: zenobe.com).
Contact
Last updated on 2025-12-27 | Report an issue
Job Description
Our mission is to make clean power accessible. We are passionate about making a positive impact on communities and the environment where we work.
We're designing, financing, building and operating the world's most sophisticated battery systems to enable the take up of more renewable power, electrifying fleets for cleaner air, and providing clean, portable power including repurposed electric vehicle batteries. Our proprietary software and data analysis optimises operational performance for our customers to reduce emissions and costs.
Since we began in 2017, we've raised over £2 billion in debt and equity funding and transformed it into >1GW of grid-connected batteries live or under contract and c.2,000 electric vehicles supported. We have operations in the UK, Australia, New Zealand and Benelux, the USA and a global headquarters in London.
We're the leading owner and operator of battery storage in the UK, supporting the National Grid with the uptake of renewable power. We also work with c.90% of the UK's major bus companies, powering 25% of the UK e-bus market. We're also the number one owner and operator of e-buses in Australia and New Zealand, and are quickly expanding into light commercial vehicles and trucks. Our rapidly growing company is looking for highly talented and motivated people to join us.
The Opportunity
We are seeking a Senior Java Spring Boot Software Engineer to join our team and proactively drive the delivery of our software solutions. You will own and execute on specific features or multi-component systems with a focus on customer value, collaborating with cross-functional teams, and making decisions that have a direct impact on business outcomes.
As an integral member of the engineering team, you will work autonomously to identify and deliver technical solutions that maintain a high standard of quality and efficiency. You will be responsible for upskilling and engaging with other engineers in Java and Spring Boot, and weigh in heavily on defining and architecting a greenfield microservices project in AWS.
This position is offered as a 12-month fixed-term contract and can be performed remotely from home.
A Taste of the Day to Day
Delivery
- Deliver High-Quality, Customer-Focused Results: Consistently deliver high-standard work aligned with team and business goals, prioritizing tasks that maximize customer impact and business value.
- Take Full Ownership and Drive Improvements: Proactively identify opportunities for improvement, take accountability for outcomes, resolve operational issues, and reduce technical debt through root cause analysis and automation.
- Make Thoughtful, Strategic Decisions: Balance short- and long-term risks when making decisions, consult relevant stakeholders, and align choices with broader product and technology principles to maintain customer trust.
Direction
- Adapt and Thrive in Change: Embrace change with resilience, navigate ambiguity with focus, and maintain well-being while progressing toward team and business goals.
- Drive Innovation and Continuous Improvement: Contribute new ideas, experiment with approaches, and use customer feedback to inform and evolve team plans.
- Execute Strategic Goals: Collaborate on setting and delivering short-term objectives, break down complex initiatives, and lead the execution of multi-phase development roadmaps.
Talent
- Support Team Growth and Excellence: Mentor peers, foster an inclusive environment, promote best practices, and contribute to hiring and team development initiatives.
Culture
- Foster Collaborative, Cross-Functional Partnerships: Build strong relationships across teams, ensure diverse perspectives are heard, and drive alignment through effective communication and coordination.
- Promote a Positive, Inclusive Team Environment: Contribute to a healthy team culture by supporting inclusivity, reducing bias, encouraging community engagement, and championing remote-first collaboration.
- Communicate Clearly and Proactively: Tailor communication to different audiences, share relevant information to keep stakeholders aligned, and initiate important conversations when needed.
Craft
- Write High-Quality, Scalable Code: Develop reliable, maintainable infrastructure-as-code and automation scripts, and uphold high coding standards through effective code reviews and best practices.
- Design Robust Software and Tools: Create simple, maintainable platform services and developer tools that are testable, debuggable, and easy for other teams to integrate and use.
- Architect Scalable Systems: Design and implement architecture that integrates multiple components with a focus on scalability, reliability, and performance, while proactively managing cross-team technical dependencies.
- Align Engineering with Business Needs: Understand the broader business context, collaborate with stakeholders to ensure platform decisions support strategic goals, and work effectively across teams to drive progress.
Health and Safety
Actively contribute to Zenobe's commitment to health and safety, wellbeing and sustainability by; integrating these principles into daily responsibilities, ensuring a safe and supportive work environment, promoting both the physical and mental health of self and colleagues, and adopting sustainable and energy-efficient practices to minimize environmental impact. By doing so, each employee at Zenobe plays a vital role in fostering a culture that prioritises overall safety, holistic wellbeing, environmental sustainability in our business operations.
What We're Looking For
We realise that certain groups of people are less likely to apply for a role if they don't meet 100% of the job requirements. To be absolutely clear: if you like the look of this job and think you could do it well, we encourage you to apply with a CV that highlights your transferable skills and experience. Above all, Zenobē is looking for collaborative, flexible, empathetic people who are interested in creating and promoting practical routes to a zero-carbon world.
Qualifications & Experience
Essential
- Deep knowledge of Java and Spring Boot and utilising it within a microservices architecture.
- Proficiency in TypeScript, Node.js, and Angular.
- Proven experience as a Senior Software Engineer with strong knowledge across the full SDLC and CI/CD processes used in developing and delivering scalable software solutions.
- Deep knowledge of working with relational and non-SQL databases (ideally PostgreSQL and DynamoDB).
- Familiarity with software design and architecture principles, including experience with APIs, microservices, event driven messaging and distributed systems (e.g. Kafka).
- Experience with cloud technologies (e.g. AWS) and modern software infrastructure tools.
- Excellent communication skills, able to present technical information clearly to non-technical stakeholders.
- Experience mentoring junior engineers and leading development teams by example.
Desirable
- Delivery of software solutions within the Electric Vehicle and/or renewable energy industry.
- Experience with vehicle telematics.
- Worked in a cross-functional team as part of fast paced, rapidly evolving and dynamic organisation.
Working at Zenobē
We're passionate about sustainability and are proud to offer Team Zenobē a pioneering and collaborative working environment. We encourage our people to take ownership of their career progression and celebrate those that can think outside the box.
If you'd like to join our community of likeminded people hit the apply button now, we'd love to hear from you!
What We Offer
Charge your career at Zenobē and receive
- Up to 33% annual bonus for being awesome
- 25 days holiday, increasing with length of service up to 30 days, plus bank holidays
- Private Medical Insurance
- £1,500 training budget per year, to ensure you grow as we do
- EV Salary Sacrifice Scheme
- Pension scheme, up to 8% matched contributions
- Enhanced parental leave
- Cash back health plan
- Plus more
Lots of our people work flexibly in many different ways, including part-time, flexitime and hybrid working. We can't promise to give you exactly what you want, but please talk to us about the flexibility you need and let's see how we can make it work.
Our Approach to Diversity and Inclusion
Our people are our strongest asset and the key determinant of our success, and we value a range of skillsets and perspectives. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. We work to provide equal opportunities and an inclusive work environment, where everyone is fairly treated in the application process and through their career at Zenobē. If there are any adjustments that would help improve your experience with Zenobē, please let us know when you apply.
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About the role
December 8, 2025
Contract Position
Company
December 27, 2025
Flexible
- London, United Kingdom
Senior
UTC+00:00
Apply now
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