AWS powered demo energy dashboard
Built by Jack Devonshire
Backend Engineer | Cloud | Python
⚡ Live Energy Data
Real-time UK grid metrics from the Carbon Intensity API
Carbon Intensity — Today
Energy Mix — Current
System Architecture
How this site is built — click a node to learn more
Experience
Career highlights tailored to backend, cloud and Python
Backend Python Engineer
HSBC- Designed and deployed Python FastAPI microservices containerised with Docker and orchestrated via Kubernetes
- Debugged critical API issue using Grafana tracing, improving load performance by ~30×
- Built reusable Terraform modules and Python deployment tooling for CI/CD pipelines
- Developed Python automation tool saving product owners ~4 days/year
- Reduced load times via in-memory LDAP request caching
Python Cloud Engineer
HSBC- Developed Python ETL pipelines using Apache Airflow to migrate financial crime data into GCP
- Automated change-management processes via Python scripting, saving ~100 hours/year
- Containerised Airflow environment with Docker, removing shared test environment dependency
- Implemented monitoring and alerting for distributed data pipelines
- Led graduate team building a portfolio platform deployed to AWS EC2 + ElastiCache
- Achieved Secure Code Warrior Python Orange Belt
Backend Software Engineer
Codeweavers Ltd- Reduced content-rendering API response time by 90% through selective dynamic rendering
- Built financial comparison tool that uncovered a critical API defect in a lender API
- Improved query performance during large-scale SQL Server to PostgreSQL migration
- Supported CloudFront deployment and infrastructure config via Terraform
- Mentored junior engineers through pair programming and code reviews
Junior Backend Software Engineer
Codeweavers Ltd- Integrated PayPal payments APIs for Volvo and Bentley, complying with GDPR and SAQ-AEP
- Consolidated fragmented permissions systems, reducing 100+ updates to a single change
- Built self-serve features enabling lenders to self-manage finance setups
Education
BSc (Hons) Computer Science with Software Development
University of Liverpool · First Class · 2019 – 2023
Vice President, Computer Science Society
Certifications
Technical Skills
Notable Projects
📱 PrepEasy
Native iOS meal planning app — recipe management, meal scheduling, and smart shopping lists. Integrates OpenFoodFacts for 2m+ ingredients with barcode scanning.
🏎️ F1 Strategy AI
Python backend + React frontend analysing live F1 telemetry. OpenAI-powered race insights and strategy recommendations. Containerised with Docker.
💡 Coldplay IR Protocol
Control Coldplay PixMob LED wristbands with custom synchronised light shows via IR signals and Python. BPM-based timing with a Broadlink IR blaster.
📈 Investory
Full-stack portfolio management platform built in 7 days during the HSBC Graduate Program. Real-time stock tracking with custom blue/green deployment.
👁️ Gaze Detection
Automatic webcam switching using gaze detection for multi-monitor video calls. Tracks which screen you're looking at and switches the camera feed in real-time.
🎮 AWS Budget Game Server
Serverless API using AWS Lambda + API Gateway. Event-driven Python script auto-shuts the server when no players are detected.
🍦 McFlurry Finder
Find McDonalds with working McFlurry machines. Built by reverse-engineering the Uber Eats API to collect and publish availability data.
🫖 Tea Pot or Not?
Python Flask API that detects teapots in images using a YOLO model. REST endpoints return the HTCPCP 418 response for detected teapots.
⚡ hirejack.dev
This site! Fully AWS powered — CloudFront + S3 static frontend, Python Lambda functions behind API Gateway, Route53 for DNS.
System Status
Last deploy time and API latency stats