Lead Data Engineer at Liberis | London | Rezi

Lead Data Engineer at Liberis

Lead Data Engineer

Liberis · London

1 months ago

Lead Data Engineer

Liberis · London

2 months ago
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About the Role

Liberis is building the embedded finance platform that lets partners around the world offer innovative funding products to their small business customers. We're a growth-stage fintech at a point where the platform challenges are genuinely interesting, rethinking how teams are structured and how they ship. Our Data & Insights team builds the data platforms and analytics that enable every decision at Liberis to be data-informed and power AI/ML capabilities.

Responsibilities

  • Design, build, and maintain resilient data pipelines that ingest data from Azure SQL, SaaS platforms, and event streams into BigQuery.
  • Write Python code using DLT to define declarative, testable, version-controlled pipelines.
  • Build and operate ML feature pipelines - low-latency, real-time data streams that feed ML models with accurate, fresh features.
  • Own the operational health of systems you build - monitoring, alerting, error handling, and incident response.
  • Collaborate with analytics engineers to understand data needs, validate schema design, and establish data quality standards.
  • Partner with the AI/ML platform team to design feature stores, streaming feature infrastructure, and model serving pipelines.
  • Identify and execute optimisation work - improving performance, reliability, and developer velocity.
  • Mentor junior engineers, helping them grow as engineers and supporting their career development.
  • Participate in technical decisions about platform direction - infrastructure choices, tooling, architecture trade-offs.
  • Work cross-functionally with product teams, analytics engineers, BI specialists, and the ML platform team to shape data requirements and platform capabilities.

Requirements

  • Proven experience within data engineering roles - building and operating data pipelines at scale.
  • Hands-on experience building Modern Data Stack architectures.
  • Strong Python programming - write clean, testable, maintainable code with solid error handling and logging.
  • Fluent SQL - write complex queries, understand execution plans, and optimize for performance and cost.
  • Experience with cloud data platforms - built data warehouses in BigQuery, Redshift, Snowflake, or similar; understand distributed processing, partitioning, cost optimization, and data governance.
  • Experience with infrastructure-as-code tools (Terraform, CloudFormation, Pulumi) or equivalent.
  • Experience working in fast-moving environments where requirements evolve and you adapt quickly without losing sight of reliability.
  • Understanding of DevOps principles - think in terms of observability, resilience, incident response, and operational excellence.
  • Experience with DLT or similar declarative ELT frameworks.
  • Experience with Google Cloud Platform ecosystem (BigQuery, Cloud Run, Pub/Sub, Dataflow).
  • Experience with Kafka, Pub/Sub, or event streaming platforms.
  • Experience scaling data systems from 0 to 100M+ events/day.
  • Experience implementing data quality frameworks (Great Expectations, dbt tests, custom monitoring).
  • Background in fintech or high-stakes data reliability environments where data quality directly impacts revenue.
  • Experience working with distributed, asynchronous teams across timezones.
  • Experience in India tech ecosystem or building in resource-constrained environments.
  • Experience migrating from legacy data infrastructure (Azure ADF, traditional ETL) to modern cloud-native stacks.

Skills

  • DLT
  • Python
  • SQL
  • BigQuery
  • Snowflake
  • Redshift
  • DBT
  • Airflow
  • Terraform
  • CloudFormation
  • Pulumi
  • GCP
  • Cloud Run
  • Pub/Sub
  • Dataflow
  • Kafka
  • Great Expectations

Location

  • London
  • Nottingham
  • Atlanta
  • Stockholm
  • Munich
  • Mumbai

Work Type

  • Hybrid

Experience Level

  • Senior Data Engineer

Benefits

  • Progression opportunities for both individual contributors and people managers.
  • Real Living Wage employer accreditation.

About the Company

  • Founded in 2007.
  • Provided over $3bn of funding to small businesses.
  • Named in CNBC & Statista Top 150 UK Fintechs for 2025.
  • Global team with a dynamic presence in 6 key locations.
  • Thriving community of over 290 innovative minds.
  • Celebrating over 27 nationalities in our team.
  • Team brings experience from over 740 previous companies.
  • Named as one of FinTech’s Finest 50 by Welcome to the Jungle.
  • Proud to be an accredited Real Living Wage employer.