Data Engineer

Data Engineer

Department: Engineering

Employment Type: Contract / Temp

Location: London

Compensation: £55,000 - £65,000 / year

Description Thalamos builds digital tools that enable the safe, effective, and compliant delivery of care under the Mental Health Act. Our eMHA platform reduces administrative burden, minimises risk, and improves outcomes for patients, clinicians, and other stakeholders, like NHS Trusts and Police forces, across the UK.
We're looking for a mid-level Data Engineer to join us for a 6-month contract to help develop and improve the way we collect, transform, and visualise data about the Mental Health Act patient pathway. You'll play a key role in supporting internal teams and external stakeholders by building tools, pipelines, and dashboards that turn complex data into actionable insight.
Key Responsibilities Data Engineering & Pipelines

• Build and maintain robust PostgreSQL queries and data pipelines to support analytics and reporting on the MHA patient journey.
• Ensure data quality and pipeline resilience in production environments.
• Work closely with backend engineers to align on architecture and data schema design.

• Configure, manage, and evolve our Apache Superset dashboards to surface insights to internal teams and partner organisations (e.g. NHS Mental Health Trusts).
• Build flexible visualisation and report templates that meet the needs of clinical, operational, and compliance stakeholders.
• Support internal users (product, client, delivery teams) in interpreting and using the data effectively.

• Work with product managers, the client team, and external partners (e.g., NHS, Police) to clarify dashboard/report requirements and iterate on delivery.
• Collaborate in our existing Jira + GitHub development process and contribute to a transparent, well-documented workflow.
• Operate within a TypeScript / AWS backend environment and bring experience that complements this stack.

• Uphold and improve data engineering best practices: version control, testing, documentation, and review processes.
• Help define and maintain consistent naming conventions, metric definitions, and access controls.

Skills, Knowledge and Expertise

• Strong SQL skills, especially PostgreSQL, and experience writing complex queries.
• Experience building and managing data pipelines in production.
• Working knowledge of Apache Superset (or similar BI tools like PowerBI, Tableau, Metabase or Looker).
• Excellent communication and stakeholder engagement skills.
• Strong analytical and problem-solving mindset with high attention to detail.
• A pragmatic approach to designing data solutions in a startup environment.

• Familiarity with TypeScript and cloud-based infrastructure, particularly AWS (e.g., Aurora / Lambda).
• Experience working with Jira and GitHub as part of agile software development.
• Understanding of data privacy, security, and compliance-especially in healthcare or public sector contexts.
• Knowledge of or interest in mental health services or NHS operational structures.

Benefits

• 22 days holiday, plus bank holidays, plus your birthday and 3 days between Christmas & New Year (Pro Rata for term of contract)
• Free lunch twice a week
• Regular Socials