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Leading ESG Analytics Company | London (Hybrid) | Full-time
Are you passionate about using cutting-edge technology to drive positive change? Join a fast-growing ESG analytics company that's helping top-tier investors achieve consistent returns while improving lives and protecting our planet.
About the Company
This leading ESG analytics firm is the trusted partner of Wealth Managers, Asset Managers, Investment Banks, and Asset Owners globally. As part of a major financial technology group, they provide a comprehensive platform hosting proprietary ESG data across all asset classes, offering ratings, impact analysis, and sustainability insights that power investment decisions worldwide.
The Role
Our client is seeking a Senior Data Engineer to help scale our ESG analytics platform to the next level. This is a unique opportunity to blend data engineering, applied GenAI, and machine learning expertise in a small, highly collaborative team where your impact will be felt immediately.
What You'll Do
- Build scalable cloud-based data solutions supporting ESG analytics and products
- Develop and deploy production-grade GenAI systems including RAG systems, agentic workflows, and LLM-based tools
- Apply machine learning expertise to support model selection, feature design, and experimentation
- Lead technical direction by sharing knowledge, setting standards, and advancing our GenAI/ML stack
- Design and automate data pipelines for ESG KPIs, ratings, and forecasts
- Partner with ESG analysts and investment teams to transform complex data into actionable insights
- Re-engineer existing workflows to improve scalability and resilience
What You Bring
Essential:
- Strong Python (Pandas) and SQL skills (PostgreSQL preferred)
- Cloud experience (AWS, GCP, or Azure - AWS preferred)
- Proven experience deploying Generative AI systems (RAG, agents, LLM-based apps)
- 3+ years working with traditional ML models in production (regression, classification, time-series)
- Sharp analytical mind with excellent communication skills
- Comfort working in fast-paced, high-ownership environments
- Passion for sustainability and data-driven positive change
Bonus Points:
- Hands-on AWS experience (S3, ECS, RDS, Lambda, Step Functions)
- Familiarity with LangChain, Langfuse, LiteLLM, or similar LLM infrastructure tools
- Fullstack skills (Web Apps, React, OpenAPI, APIs)
- Experience with data governance, security, and quality at scale
- Experience mentoring junior engineers or running workshops
- Knowledge of ESG data or financial services
Why Join?
- Meaningful Impact: Your work directly supports sustainable investing and positive global change
- Cutting-Edge Tech: Work with the latest GenAI, ML, and cloud technologies
- Growth Opportunity: Join a fast-growing company with significant expansion plans
- Collaborative Culture: Small, highly skilled team where every voice matters
- Hybrid Flexibility: 2 days office, 3 days home
Benefits
- Competitive salary and discretionary annual bonus
- Health Insurance with Vitality, Life Insurance + Employee Assistance Programme
- 22 days annual leave + 1 additional day per year of service (max 28 days)
- Private pension scheme
- Technical training and financial support for external learning
- Mentorship program with senior colleagues
Location: London (Hybrid - 2 days office minimum)
Ready to use your technical expertise to drive sustainable investing forward? We'd love to hear from you.
Please note: You must have the right to work in the UK by your start date. We do not currently sponsor visas.
Apply now or reach out to learn more about this exciting opportunity!
