Carbon Re Ltd

Decarbonising Heavy Industry Through AI

Carbon Re is an ambitious climate tech company based in London that focuses on one of the most significant and challenging aspects of global emissions: heavy industry. Specifically targeting sectors like cement and steel manufacturing, which account for a massive portion of global CO2 emissions, Carbon Re leverages advanced artificial intelligence and machine learning to optimize industrial processes. Their flagship platform, Delta Zero, uses deep reinforcement learning to model complex physical systems and identify operational efficiencies that reduce energy consumption and carbon emissions without requiring new capital-intensive hardware.

The urgency of the climate crisis demands solutions that can scale rapidly and have a gigatonne-level impact. Carbon Re operates at this critical intersection of deep tech and industrial engineering. For professionals looking to transition into climate tech, the company offers a unique opportunity to apply cutting-edge software and AI techniques to legacy physical industries. The challenge here is not just algorithmic; it is about bridging the gap between modern data science and traditional manufacturing practices, building trust with plant operators, and deploying solutions in environments where reliability and safety are paramount.

The heavy industry sector, particularly cement production, is responsible for approximately 8% of global carbon dioxide emissions. This is a staggering figure, and it highlights the immense potential for impact that Carbon Re's technology possesses. Unlike many other climate tech initiatives that focus on consumer behavior or renewable energy generation, Carbon Re targets the very foundation of modern infrastructure. The cement industry relies heavily on fossil fuels to heat kilns to extreme temperatures, a process that is notoriously difficult to decarbonize. By optimizing the combustion process and reducing the amount of fuel required, Carbon Re's Delta Zero platform can deliver immediate, measurable reductions in carbon emissions and operational costs.

This dual benefit—environmental and economic—is a key driver of the company's commercial strategy. Plant operators are constantly seeking ways to improve efficiency and reduce energy expenditures, especially in the face of fluctuating fuel prices and increasingly stringent environmental regulations. Carbon Re provides a solution that aligns environmental sustainability with economic viability, making it a compelling proposition for industrial manufacturers worldwide. The platform's ability to integrate seamlessly with existing control systems, without the need for significant hardware upgrades, further lowers the barrier to adoption and accelerates the path to impact.

A Culture of Impact and Intellectual Curiosity

The culture at Carbon Re is fundamentally driven by its mission to mitigate climate change. This creates an environment where employees are highly motivated by the tangible, real-world impact of their work. Because the problem space—industrial decarbonization—is inherently complex, the company fosters a culture of deep intellectual curiosity and rigorous problem-solving. Team members are encouraged to ask difficult questions, challenge assumptions, and explore novel approaches to applying AI in novel contexts.

Collaboration is a cornerstone of the working environment. Given the interdisciplinary nature of the work, software engineers, machine learning researchers, product managers, and industrial domain experts must work closely together. This cross-pollination of ideas requires a culture of mutual respect, active listening, and a willingness to learn from colleagues with entirely different professional backgrounds. For instance, a machine learning engineer might need to understand the nuances of thermodynamic processes from a chemical engineer, while a product manager might need to translate complex AI concepts into actionable insights for a plant operator.

Furthermore, Carbon Re places a strong emphasis on inclusivity and well-being. Recognizing that tackling the climate crisis is a marathon, not a sprint, the company promotes a healthy work-life balance through flexible working arrangements and comprehensive support systems. The culture is designed to be supportive rather than burnout-inducing, acknowledging that sustainable innovation requires sustainable working practices. Employees are trusted to manage their time and deliver results, reflecting a mature, outcome-oriented organizational mindset.

The company also values transparency and open communication. Regular all-hands meetings, transparent decision-making processes, and a flat organizational structure ensure that everyone is aligned with the company's strategic goals and understands how their individual contributions fit into the bigger picture. This level of transparency fosters a sense of ownership and accountability, empowering employees to take initiative and drive positive change within the organization. The leadership team is accessible and actively encourages feedback, creating an environment where diverse perspectives are valued and integrated into the company's strategic direction.

What You'll Actually Do

Working at Carbon Re means engaging with problems that are far removed from typical consumer software or web applications. If you are an engineer or a data scientist, you will be dealing with vast amounts of time-series data generated by sensors in massive industrial plants. You will be building and refining models that simulate complex thermodynamic and chemical processes. The challenge is not just in the theoretical accuracy of the models, but in their practical applicability: how do you deploy these models in real-time to control a cement kiln operating at thousands of degrees?

The technical stack at Carbon Re is built to handle the complexities of industrial data and real-time AI inference. Engineers work with modern cloud infrastructure, distributed computing frameworks, and advanced machine learning libraries. The focus is on building robust, scalable, and secure systems that can operate reliably in demanding industrial environments. You will be involved in the entire lifecycle of AI model development, from data ingestion and preprocessing to model training, deployment, and monitoring. This end-to-end involvement provides a deep understanding of the technical challenges and opportunities inherent in applying AI to physical systems.

Product managers and designers will find themselves deeply immersed in understanding the daily realities of industrial plant operators. You will need to translate highly complex AI insights into intuitive, actionable interfaces that operators can trust and use effectively. This requires a high degree of empathy and the ability to navigate the nuances of change management in traditional industries. You are not just building software; you are building tools that change how heavy manufacturing operates. You will conduct user research, gather feedback from plant operators, and iterate on product designs to ensure that the Delta Zero platform meets the specific needs of its users.

For commercial and operational roles, the focus is on scaling the impact. This involves navigating long sales cycles, building relationships with large industrial conglomerates, and demonstrating the clear economic and environmental value of the Delta Zero platform. Across all roles, you will be expected to operate with a high degree of autonomy, navigating ambiguity, and contributing to the foundational processes and strategies of a growing startup. The work is deeply technical, highly collaborative, and relentlessly focused on real-world outcomes. You will have the opportunity to shape the company's go-to-market strategy, develop strategic partnerships, and drive revenue growth in a rapidly evolving market.

Compensation & Benefits

Carbon Re offers a comprehensive and thoughtful compensation and benefits package designed to attract top talent while aligning with the realities of an early-stage, mission-driven startup. While base salaries are competitive within the London tech ecosystem, the total compensation package is significantly enhanced by equity participation. Employees receive share options, ensuring they have a meaningful stake in the company's long-term success and the value they help create.

Beyond financial compensation, the benefits package is robust and tailored to support both personal and professional well-being. Employees enjoy 30 days of annual leave (in addition to standard bank holidays), providing ample time for rest and rejuvenation. The company operates a hybrid work model, typically requiring a few days a week in their London office, combined with flexible working hours and core collaborative hours between 10 am and 4 pm. This flexibility allows employees to balance their professional responsibilities with their personal lives, fostering a healthy and sustainable working environment.

Health and family benefits are particularly strong. Carbon Re provides comprehensive mental health support, paid sick leave that explicitly covers both physical and mental health needs, and highly generous parental leave policies (up to 52 weeks for primary caregivers, with the first 12 weeks at 100% pay). Additional perks include a dedicated personal learning and development budget, employer pension contributions, and access to environmentally friendly initiatives like the Cycle to Work and Electric Car schemes. The company also organizes regular team-building events, social activities, and offsites to foster a sense of community and belonging among employees.

The commitment to employee development extends beyond formal training budgets. Carbon Re encourages continuous learning and professional growth through mentorship programs, internal knowledge-sharing sessions, and opportunities to attend industry conferences and events. The company recognizes that investing in the development of its employees is essential for achieving its ambitious mission and maintaining a competitive edge in the rapidly evolving climate tech sector.

The Interview Process

The interview process at Carbon Re is carefully structured to assess both technical excellence and alignment with the company's core mission and operating principles. It is designed to be rigorous but respectful of candidates' time, providing multiple opportunities for both the company and the candidate to evaluate mutual fit.

The process typically begins with an initial screening call with a Talent Partner. This is a high-level conversation focused on your background, your motivations for joining a climate tech company, and your general alignment with the role's requirements. If successful, this is usually followed by a more in-depth exploratory call with the hiring manager, allowing for a deeper dive into your experience and the specific challenges of the position. This is also an opportunity for you to ask questions about the role, the team, and the company's strategic direction.

For technical roles, candidates will then complete a structured technical exercise or take-home assignment, designed to reflect the actual work you would be doing. This is followed by a comprehensive cross-functional interview, often involving a presentation or a collaborative problem-solving session, to assess how you communicate and work with diverse teams. Finally, candidates undergo an Operating Principles interview, which focuses heavily on behavioral questions linked to the company's values, and a final meeting with the CEO or a senior leader. Carbon Re also actively encourages candidates to conduct "reverse reference checks" by speaking with current employees.

The interview process is not just an assessment; it is a two-way dialogue. Carbon Re values candidates who are curious, inquisitive, and eager to learn about the company's mission and culture. You are encouraged to ask thoughtful questions, challenge assumptions, and demonstrate your passion for solving complex problems. The goal is to ensure that both you and the company are confident in your ability to succeed and thrive in the role. The recruitment team is committed to providing a transparent and supportive experience, keeping candidates informed throughout the process and offering constructive feedback.

Why Join / Why Not

Why Join: If you are profoundly motivated by the urgency of the climate crisis and want to dedicate your career to solving one of its hardest problems, Carbon Re offers an unparalleled opportunity. The company is tackling a sector—heavy industry—that is often overlooked but critical to global decarbonization. You will be working at the cutting edge of applied artificial intelligence, alongside a team of brilliant, mission-driven individuals from diverse technical and industrial backgrounds. The combination of strong financial backing, a supportive and inclusive culture, and the potential for gigatonne-scale impact makes it a highly compelling destination for those who want their work to matter. The opportunity to shape the future of industrial manufacturing and contribute to a more sustainable world is a powerful motivator for many employees.

Why Not: The specific focus on heavy industries like cement and steel is not for everyone. The work involves grappling with legacy systems, physical engineering constraints, and inherently slow-moving traditional sectors. If you prefer the rapid iteration cycles of consumer web or the purely digital realm of fintech or web3, you may find the industrial context frustrating. Furthermore, as an early-stage startup, Carbon Re requires a high tolerance for ambiguity, a willingness to build processes from scratch, and the resilience to navigate the inevitable ups and downs of startup life. The environment demands self-starters who thrive in a dynamic, sometimes unstructured setting. If you prefer a highly structured corporate environment with clearly defined roles and responsibilities, Carbon Re may not be the best fit for you. The pace can be demanding, and the challenges are complex, requiring a high degree of adaptability and perseverance.