Curriculum vitae

Eddy Agossou

Software engineer who turns ambiguous requirements into scalable, production-grade systems. Builds resilient services in TypeScript, Python and Rust with a focus on performance and maintainability, and has delivered data-intensive applications in regulated environments.

experience

Senior Software Engineer · Cashless2025 – present · Remote
  • Built Python serverless services on AWS Lambda, API Gateway, DynamoDB and S3, improving scalability and reliability.
  • Cut infrastructure costs by around 50% while improving throughput and fault tolerance, using Rust microservices.
  • Migrated a legacy platform serving ~16K users with zero operational disruption.
  • Ran Kubernetes workloads on Amazon EKS for high availability and better resource utilisation.
  • Led full-lifecycle delivery of React and TypeScript features on mission-critical customer journeys.
  • Introduced extensible frontend design patterns, improving codebase sustainability across teams.
Digitalisation Engineer · Siemens Healthineers2024 – 2025 · Oxford, UK
  • Built React and TypeScript applications supporting operational and analytical workflows in regulated environments.
  • Automated business processes with Power Apps and Power Automate, improving internal efficiency.
  • Integrated frontend interfaces with Snowflake-powered data pipelines.
  • Upheld compliance and data-integrity standards in a quality-driven engineering ecosystem.
Software Engineer II · Fasfox2023 · Remote
  • Built a scalable digital marketplace with Django, React and TypeScript across the full stack.
  • Automated AWS provisioning with CloudFormation, standardising deployments.
  • Developed large-scale Python pipelines, improving data completeness and ingestion robustness.
  • Created internal dashboards to increase operational transparency.
  • Worked directly with founders to iterate the product experience.
Software Engineer II · Cashless2019 – 2022 · Remote
  • Built Node.js microservices supporting scalable financial transaction processing.
  • Optimised MongoDB queries and service layers, improving responsiveness and stability.
  • Designed the foundational architecture that carried growth beyond 50K users.
  • Automated end-to-end testing, cutting manual validation by around 40%.
  • Owned code review, deployments and environment configuration.

skills

Languages
  • TypeScript
  • Python
  • Rust
  • JavaScript
Frontend
  • React
  • Frontend architecture
  • Internal dashboards
Backend & services
  • Node.js
  • Django
  • Microservices
  • Serverless
  • REST APIs
Cloud & platform
  • AWS Lambda
  • API Gateway
  • DynamoDB
  • S3
  • CloudFormation
  • Amazon EKS
  • Kubernetes
Data
  • MongoDB
  • Snowflake
  • Data pipelines
  • Query optimisation
Automation & quality
  • End-to-end testing
  • Power Apps
  • Power Automate
  • Monitoring & debugging
Ways of working
  • End-to-end ownership
  • Legacy modernisation
  • Performance optimisation
  • Regulated environments
  • Cross-functional collaboration

certifications

AWS Certified DevOps EngineerProfessional
AWS Certified Solutions ArchitectAssociate

education

MSc Data ScienceManchester, UK

Manchester Metropolitan University

Doctor of MedicineCotonou, Benin

University of Abomey-Calavi

availability

£100,000 – £120,000 baseopen to senior infra / developer-tools roles

Right to work in the UK, no sponsorship needed. Remote-first, happy to travel for onsites and team weeks.