Sustainability Data Specialist

Apex Group; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

Apex Group is seeking a Sustainability Data Specialist for Holtara. You will work in a client-facing capacity within the Product team to reimagine how ESG data is explored, understood and communicated. You’ll combine analytics and AI-assisted building to create reliable, user-friendly solutions.

Join a fast-paced environment where you’ll turn ideas into usable products, collaborate with sustainability experts, and help shape product strategy with direct client impact.

Qualifications

• Minimum three years of client-facing work with sustainability/ESG data.
• Experience using AI-assisted tools to create digital or analytical solutions.
• Strong analytical judgement enabling deep data questioning and explanation of evidence.

Responsibilities

• Understand client and user needs and translate them into priorities.
• Lead focused client conversations and align requests with feasible solutions.
• Use AI-assisted development to build interactive dashboards, visualizations and reports.
• Connect solutions to client data and establish operational ownership and documentation.
• Ensure outputs are methodologically sound through data quality checks with sustainability specialists.
• Continuously improve products based on live feedback and usage.

Skills

Client-facing

Analytical reasoning

AI-assisted development

Data interpretation

Communication with clients

Problem-solving

Sustainability knowledge

Tools

AI tools

Job description

The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.For our business, for clients, and for youSustainability Data SpecialistAbout HoltaraHoltara helps investors, fund managers and companies understand and improve their sustainability performance. We combine technology, high-quality sustainability data and expert advice to solve complex challenges across the private markets.At the center of our offer is Holtara.io, our sustainability data and insights platform. Clients use it to collect and validate ESG data, calculate carbon footprints, benchmark portfolios and produce decision-ready analysis.The roleWe’re looking for someone to help us reimagine how sustainability data is explored, understood and communicated. This is a hands-on, client-facing role in our Product team, combining analytical thinking, product development and AI-assisted building. You’ll work directly with clients to understand their challenges, explore ideas and create solutions they can use and test.You might build an interactive report, develop a portfolio dashboard or explore new ways for clients to interrogate their data. The aim is not simply to create convincing prototypes, but to turn promising ideas into useful, reliable products, identifying where they could benefit clients more broadly.You’ll have room to experiment with emerging tools, alongside sustainability consultants, product managers and engineers who can help bring the strongest ideas into everyday use.What you’ll doUnderstand client and user needs. Lead focused client conversations, look beyond requested features and turn loosely defined challenges into clear priorities.Bring ideas to life. Use AI-assisted development and analytics tools to build interactive dashboards, visualizations and reporting experiences, testing and refining them with users.Take solutions beyond the prototype. Connect them to client data, put them into operation and establish clear documentation and ongoing ownership, with specialist support where needed.Make the results trustworthy. Investigate data quality, calculations and assumptions, and work with sustainability specialists to ensure outputs are methodologically sound.Keep improving. Use feedback and experience from live products to improve their usefulness, usability and reliability.What we’re looking forMinimum three years of work experience in contact with clients working hands-on with sustainability or ESG data, for example in consultancy, data providers, financial services or software.Practical experience using AI-assisted tools to create useful digital or analytical solutions, whether professionally or through your own projects.Strong analytical judgment and experience: you can work through complex data, question results and explain what the evidence does and doesn’t support.Confidence working with clients, understanding priorities and communicating ideas clearly.An eye for making complex data understandable and impactful.The resourcefulness to troubleshoot what you build, check its quality and recognize when deeper technical expertise is needed.A genuine personal commitment to sustainability and motivation to apply your skills in this field.You don’t need a particular degree, a prescribed programming stack or previous ESG employment. Sustainability knowledge, software development experience and familiarity with private markets are welcome; but evidence of thoughtful, hands-on problem-solving and demonstrable experience working with AI and complex datasets matter more.What we offerExposure to leading investment managers, asset owners and portfolio companies.Opportunities to attend industry events, conferences and professional development programmes.High levels of ownership, autonomy and influence from day one.Freedom to test new ideas and shape products through innovation and experimentation.Access to cutting-edge AI, analytics and visualisation tools.Direct involvement in solving real client challenges and influencing product strategy.A fast-paced environment where ideas can quickly become client-facing solutions.Disclaimer : Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.