Senior Full Stack Engineer - AI Carbon Intelligence Platform London, England, United Kingdom Re[...]

• Senior Full Stack Engineer - AI Carbon Intelligence Platform
• Full-time

IFS is a billion-dollar revenue company with 7000+ employees on all continents.

Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service™.

Our commitment to internal AI adoption has allowed us to stay at the forefront of technological advancements, ensuring our colleagues can unlock their creativity and productivity, and our solutions are always cutting-edge.

At IFS, we’re flexible, we’re innovative, and we’re focused not only on how we can engage with our customers but on how we can make a real change and have a worldwide impact.

We help solve some of society’s greatest challenges, fostering a better future through our agility, collaboration, and trust.

We celebrate diversity and understand our responsibility to reflect the diverse world we work in.

We are committed to promoting an inclusive workforce that fully represents the many different cultures, backgrounds, and viewpoints of our customers, our partners, and our communities.

As a truly international company serving people from around the globe, we realize that our success is tantamount to the respect we have for those different points of view.

By joining our team, you will have the opportunity to be part of a global, diverse environment; you will be joining a winning team with a commitment to sustainability; and a company where we get things done so that you can make a positive impact on the world.

We’re looking for innovative and original thinkers to work in an environment where you can #Make Your Moment so that we can help others make theirs.

If you want to change the status quo, we’ll help you make your moment. Join Team Purple. Join IFS.

This role is focused on a market-leading AI solution designed to help industrial organizations measure, manage, and reduce their environmental impact on the path to decarbonization.

The solution enables customers to move beyond static sustainability reporting tooperational, decision-grade intelligence embedded directly into how the business runs.

The platform delivers

• End-to-end carbon intelligence across Scope 1, 2, and 3 emissions
• A scalable, actionable pathway for decarbonization in complex industrial environments
• Near real-time insights that enable faster, smarter operational and strategic decisions

As a Senior Full Stack Engineer, you will play a key role in shaping and delivering scalable, cloud-based AI solutions that create meaningful outcomes for customers andthe business.

You will provide technical leadership across both front-end and back-end development, influence architectural decisions, and help evolve the platform into a secure, observable, high-quality product portfolio.

This role requires a strong engineering mindset, hands-on full stack capability, and the ability to work across multiple general-purpose programming languages and frameworks — including, but not limited to, Go Langand React.

You will be expected to continuously learn, adapt, and guide others as technologies and product needsevolve.

While this role begins within a carbon intelligence solution, it is not confined toa single productor problem space.

It is an entry point into a broader AI-driven product portfolio, with opportunities to expand across products, domains, and technologies as the platform evolves.

Core Responsibilities

• Lead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfaces.
• Drive the modernization of legacy systems into modular, event-driven, API-first components.
• Deliver AI-native features and improvements across both front-end and back-end, using multiple programming languages whererequired.
• Provide technical direction and make sound engineering trade-offs around scalability, maintainability, performance, and product impact.
• Own reliability and operational excellence, including telemetry, SLOs, error budgets, on-call rotations, incident response, and continuous service improvement.
• Champion Dev Ops practices, including CI/CD, deployment automation, monitoring, and application-level operations.
• Collaborate with Platform Engineers as part of a lean Dev Ops shared service model, while taking responsibility for application-level Dev Ops within the team.
• Mentorengineers, promote engineering best practices, and help raise the technical bar across the team.
• Champion code quality, documentation, automated testing, performance, security, and maintainability.
• Take full ownership of the quality of deliverables, including test automation, continuous improvement, and production readiness.
• Partner closely with Product Management, Design, AI, Platform Engineering, and other engineering teams on product discovery, technical trade-offs, and delivery.
• Bring a product- and customer-led mindset to solving customer pain points with elegant, scalable engineering solutions.
• Identifytechnical risks, performance bottlenecks, and opportunities to improvethe platformarchitecture and engineering ways of working.
• Strong experience infull stacksoftware engineering, with proven capability across both front-end and back-end development.
• Solid experience with modern front-end technologies, particularly

React or similar frameworks.

• Strong back-end engineering experience, ideally including Go Lang or comparable general-purpose programming languages.
• Experience designing and building scalable APIs, services, and cloud-native applications.
• Strong understanding of Dev Ops practices, including CI/CD, deployment, monitoring, automation, and incident response.
• Experience delivering secure, observable, high-quality production software.
• Strong focus on code quality, automated testing, documentation, performance, and maintainability.
• Ability to lead technical design discussions and influence architectural decisions.
• Effective collaboration and communication skills, with the ability to work across Product, Design, Platform, and Engineering teams.
• Ownership mindset, with the ability to take accountability for outcomes from design through to production.
• Experience with cloud platforms such as Azure, AWS, or GCP.
• Experience with event-driven architectures, distributed systems, or microservices.
• Experience modernizing legacy systems into modular, scalable platforms.
• Experience working in cross-functional product teams.
• Experience mentoring engineers or contributing to engineering standards.
• Experience with AI-enabled, data-intensive, sustainability, carbon intelligence, or enterprise Saa S products.
• Familiarity with observability, reliability engineering, SLOs, error budgets, and production incident management.

What We’re Looking For

We are looking for a senior engineer who can combine strong hands-on engineering with technical leadership.

You should be comfortable building across the stack, makingarchitectural decisions, improving engineering practices, and influencing how products are designed, delivered, andoperated.

You will be successful in this role if you enjoy solving complex customer problems, building scalable cloud-native systems, collaborating across disciplines, and helping teams deliver high-quality software that has real-world impact.

We embrace flexibility and hybrid work opportunities to support diverse needs and lifestyles, while also valuing inclusive workplace experiences.

By fostering a sense of community, we drive innovation, strengthen connections, and nurture belonging.

Our commitment ensures you can work in a way that suits you best, while also engaging with colleagues to share ideas and build meaningful relationships.

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