Lead Software Engineer – Industrial Sustainability Reporting Platform

IFS; Greater London; Hybrid; GBP 90,000 - 125,000; Full time

Job summary

IFS is seeking a senior software engineer to design, build, and own scalable cloud-native systems. You will work across the stack, shaping API-first architectures and AI-enabled features that drive sustainability initiatives and ESG data capabilities.

You will lead technical discussions, mentor engineers, and partner with Product, Design, AI, and Platform teams to deliver high-quality software with reliability, observability, and strong security. Hybrid work options available.

Qualifications

• Strong experience in full stack software engineering across front-end and back-end
• Solid experience with modern front-end technologies, particularly React or similar frameworks
• Strong back-end engineering experience, including GoLang or comparable languages
• Experience designing and building scalable APIs and cloud-native applications
• Strong understanding of DevOps practices, including CI/CD, deployment, monitoring, automation, and incident response
• Experience delivering secure, observable production software
• Strong focus on code quality, automated testing, documentation, performance, and maintainability
• Ability to lead technical design discussions and influence architectural decisions
• Excellent collaboration across Product, Design, Platform, and Engineering teams
• Ownership mindset, with accountability for outcomes from design through to production

Responsibilities

• Lead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfaces
• Deliver AI-native features across both front-end and back-end, spanning carbon accounting, ESG data collection, and sustainability planning capabilities
• Drive the evolution of the platform into modular, event-driven, API-first components
• 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 DevOps practices, including CI/CD, deployment automation, monitoring, and application-level operations
• Collaborate with Platform Engineers as part of a lean DevOps shared service model, while taking responsibility for application-level DevOps within the team
• Mentor engineers, 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
• Identify technical risks, performance bottlenecks, and opportunities to improve the platform architecture and engineering ways of working

Skills

Full stack

React

GoLang

API design

DevOps

CI/CD

Test automation

Observability

Tech leadership

Tools

Azure

AWS

GCP

PostgreSQL

Job description

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 #MakeYourMoment so that we can help others make theirs. With the power of our AI-driven solutions, we empower our team to change the status quo and make a real difference.

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

Job Description

Core Responsibilities

• Lead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfaces
• Deliver AI-native features across both front-end and back-end, spanning carbon accounting, ESG data collection, and sustainability planning capabilities
• Drive the evolution of the platform into modular, event-driven, API-first components
• 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 DevOps practices, including CI/CD, deployment automation, monitoring, and application-level operations
• Collaborate with Platform Engineers as part of a lean DevOps shared service model, while taking responsibility for application-level DevOps within the team
• Mentor engineers, 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
• Identify technical risks, performance bottlenecks, and opportunities to improve the platform architecture and engineering ways of working

Qualifications

Qualifications

Essential

• Strong experience in full stack software 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 GoLang or comparable general-purpose programming languages
• Experience designing and building scalable APIs, services, and cloud-native applications
• Strong understanding of DevOps 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 across Product, Design, Platform, and Engineering teams
• Ownership mindset, with accountability for outcomes from design through to production

Desirable

• Experience with cloud platforms such as Azure, AWS, or GCP
• Experience with event-driven architectures, distributed systems, or microservices
• Experience with relational databases such as PostgreSQL
• Experience working in cross-functional product teams
• Experience mentoring engineers or contributing to engineering standards
• Experience with AI-enabled, data-intensive, sustainability, carbon intelligence, ESG reporting, or enterprise SaaS products
• Familiarity with sustainability frameworks and standards (e.g., GHG Protocol, CSRD, SBTi)
• 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 combines strong hands-on engineering with technical leadership. You should be comfortable building across the stack, making architectural decisions, improving engineering practices, and influencing how products are designed, delivered, and operated.

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 on industrial decarbonization.

Additional Information

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.