Principal Engineer - Platform & Data
Masabi · Remote · London - Remote ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Principal level role
- Fully remote (UK)
- Platform & Data focus
- AWS cloud environment
- Hybrid option in London
Join Masabi’s Architecture team as a Principal Engineer, where you will drive the technical evolution of the Justride fare collection platform. You will balance high-level architectural decisions with hands-on implementation, focusing on strengthening data architecture and ensuring system scalability.
This position requires a leader who can translate ambiguous business problems into clear technical solutions while guiding engineering standards across multiple teams. You will work closely with stakeholders to define platform blueprints and improve how architecture is understood throughout the organization.
What you'll do
- Define platform architecture blueprints, standards, and best practices
- Shape data architecture strategy including storage and utilization
- Design and deliver scalable, robust, and cost-efficient services
- Remain hands-on with code reviews and targeted technical contributions
- Resolve complex challenges related to scalability and performance
- Act as a senior technical advisor across engineering teams
- Contribute to technical roadmap planning and prioritization
- Produce high-quality technical documentation and architecture artifacts
What you'll need
- Experience operating at Principal or Staff engineer level
- Strong background in distributed systems and microservices
- Proficiency with cloud platforms, preferably AWS
- Proven experience in data architecture and large data stores
- Ability to translate loosely defined problems into technical approaches
- Strong skills in REST API design for multi-service environments
- Effective communication of complex ideas to technical and non-technical audiences
- Interest in architectural implications of AI-enabled systems
Nice to have
- Experience migrating monolithic applications to microservices
- Familiarity with event-driven architectures like Kafka
- Background in optimizing cloud costs and system efficiency
- Knowledge of Kotlin or Java for development
- Experience with DynamoDB, MySQL, Snowflake, or Databricks
- Proficiency with Terraform and GitLab CI/CD
Stack
- AWS
- Kotlin
- Java
- DynamoDB
- MySQL
- Snowflake
- Databricks
- Spark
- Terraform
- GitLab CI/CD
- Kafka
How you'll work
- Fully remote for candidates located anywhere in the UK
- Hybrid model available for London-based staff
- Option to work from any country for up to 3 months per year
What you get
- 25 days holiday plus option to buy 5 more
- Private healthcare via AXA including mental health support
- Life insurance and pension scheme
- Annual training allowance up to £1000
- £200 annual home office allowance
- Enhanced family leave pay and menopause support
- Cycle to work scheme and monthly social allowance