About Circular Economy Systems (CES)

At CES, we’re not just shaping the future – we’re accelerating it. As leaders in the transition to a circular economy, our technology powers the recycling of millions of used containers into valuable resources every day, driving sustainable change.

Since our inception in 2017 as a joint venture between Lion and Coca-Cola Europacific Partners, CES has been a dynamic force for good, and has a bold vision to lead the way in circular economies globally.

With a fast-paced growth trajectory, an inclusive and flexible culture, and cutting-edge technology, this is an exciting time to join our journey.

Our team thrives on collaboration, innovation, and the passion to make a difference. If you’re eager to build ground breaking solutions and grow with a company redefining the future, CES is the place for you.

What will I be doing?

We're seeking a highly skilled, hands-on polyglot Principal Software Engineer to help shape the future of our software platform and drive its evolution in line with our 3-year product strategy.

You'll leverage cutting-edge technologies and work alongside cross-functional teams to deliver innovative scalable, resilient and secure solutions that tackle the challenges of today and tomorrow.

This is a high impact, high visibility role requiring effective communication with senior stakeholders.

Specific Responsibilities will include:

• Technical consultancy: Work closely with architecture and project teams to deliver Javascript/Typescript and Java/Spring Boot PoC's and solutions hands-on, and be part of the build of preferred solutions for the CES platform.
• Microservices Architecture: Build on and implement robust, event-driven microservices using JS/TS, Java, Kafka and modern frameworks.
• Event-Driven Systems: Drive adoption and optimisation of pub/sub and messaging systems to enable real-time, scalable applications.
• Collaboration: Partner with Product, Architecture, Engineering and Design teams to deliver innovative technical solutions that meet business goals.
• Standards & Best Practices: Establish development best practices.
• Mentor and Inspire: Foster a culture of continuous learning by mentoring engineers and sharing knowledge across squads.

We’re looking for someone who:

• Is a visionary engineer who loves hands-on coding (you're currently coding 50% of your time or more), and thrives in fast-paced, evolving environments. You combine deep technical expertise with a passion for delivering impact and project outcomes.
• Extensive Back-end Experience: Principal or Staff Engineer level experience; with at least 2-3 years hands-on current Javascript/Typescript Back-End experience (ideally Node.Js) AND 7+ years ' prior in Java/Spring Boot; a degree in Computer Science or Software Engineering; Python skills are a bonus.
• Public Cloud Expertise: 2+ years with AWS, GCP or Azure and related services such as IAM, EC2, S3, API Gateway.
• Containerization and Orchestration: Good experience with containerized environments like Kubernetes.
• Microservices and Event-Driven: Strong background with microservices architecture and messaging systems (eg Kafka; Google pub/sub).
• Databases: Experience creating highly performant relational and NOSQL database designs, data modelling and use of ORMs, like JPA.
• Engineering Best Practices: You use automated solutions including testing, CI/CD, IaC (Terraform or Cloud Formation) and DevOps; you have a real passion for quality, security and continuous improvement.
• Communication & Collaboration: Exceptional communicator who can work with technical and non-technical people and communicate effectively with senior stakeholders.
• Proactive Mentor: You are a self-starter and proactive leader and mentor who drives positive change and fosters accountability.

Why work with us?

• We are a profitable, well-funded tech start-up supporting clients globally with our SaaS products.
• We have a high performing team working for purpose – positively impacting communities and the environment.
• This is your chance to grow alongside a business redefining its industry.
• We work flexibly at CES with a hybrid office model (2 office days a week).