Location: London (hybrid, 2–3 days per week in office)
We are seeking a Backend Engineer to take ownership of our API and data infrastructure, building the core systems that power a large-scale, data-driven platform. This is a hands‑on engineering role focused on designing robust data foundations, scalable pipelines, and high-performance APIs.
You will sit at the intersection of backend engineering and data architecture, shaping how data is ingested, structured, transformed, and served across the organisation. Your work will directly influence platform reliability, data consistency, and system performance.
Key responsibilitie
- Design and implement database schemas supporting time-series, geospatial, multimedia, and relational da
- dataBuild and maintain scalable data ingestion pipelines from multiple third-party AP
- IsDevelop high-performance APIs using Python and FastA
- PIOptimise database performance through indexing, query tuning, caching, and materialised vie
- esManage database operations including migrations, monitoring, and optimisati
- onBuild resilient ETL pipelines with strong error handling and validati
- onSupport AWS-based infrastructure (RDS, S3, Redis, MongoDB where applicabl
- e)Contribute to data architecture decisions across engineering and product tea
About y
you will have 3–5 years of backend engineering experience with strong database expertise. You should be highly proficient in PostgreSQL, Python, and API development, with experience working on complex, multi-source data syste
ms.Essential experience inclu
- des:Advanced PostgreSQL (schema design, indexing, query optimisation, stored procedu
- res)Python backend development (FastAPI or similar framewo
- rks)Designing scalable data models for complex sys
- temsBuilding integrations with third-party
- APIsStrong understanding of data consistency, transactions, and failure hand
- lingExperience with AWS services (RDS, S3, Redis, Mong
- oDB)Strong SQL and performance optimisation sk
- illsFamiliarity with modern AI-assisted development t
- able:Experience with PostGIS, TimescaleDB, or pgv
- ectorNoSQL systems such as DynamoDB or Mo
- ngoDBData warehousing and analytical query pat
- ternsEvent-driven architectures and message q
- ueuesDatabase scaling techniques (replication, partitioning, HA se
tups)What’s on
- offer:Competitive salary (£55,000 – £65,000) and benefits p
- ackage27 days annual leave + enhanced family leave po
- liciesPrivate healthcare and dental insurance dis
- countsPension contrib
- utionsCultural stimulation allowance (£250 per
- year)Volunteering leave (up to 5 days ann
- ually)Emergency care and special leave prov
- isionsSeason ticket loan and payroll giving
- schemeRegular social events including quarterly gatherings and annual p
- artiesInclusive workplace initiatives and learning & development opportu
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