ellis hartwell
@ellishartwell
Results-driven Backend Developer with expertise in AI-powered systems.
United KingdomWhat I'm looking for
I am a results-driven Backend Developer with over 6 years of experience in designing high-performance, scalable, and AI-powered backend systems. My expertise lies in microservices architecture, real-time data processing, API security, and database optimization. I am passionate about leveraging AI for predictive analytics, auto-scaling, and self-healing backend systems, ensuring that I deliver robust solutions that meet the evolving needs of businesses.
In my current role as a Senior Backend Engineer at AeroCloud, I designed a high-availability API system that significantly reduced response time by 50%. I implemented an AI-powered auto-scaling mechanism that cut infrastructure costs by 35% and built a real-time fraud detection system that decreased fraud cases by 40%. My previous experience at Yimba and Bikmo further honed my skills in migrating architectures, developing AI-driven systems, and optimizing database performance, making me adept at building low-latency APIs and implementing AI-driven monitoring solutions.
Experience
Work history, roles, and key accomplishments
Senior Backend Engineer
AeroCloud
Feb 2021 - Present (5 years 4 months)
Designed a high-availability API system with FastAPI & PostgreSQL, reducing response time by 50%. Implemented an AI-powered auto-scaling mechanism using Kubernetes & AWS Lambda, cutting infrastructure costs by 35%. Built a real-time fraud detection system leveraging AI anomaly detection models, decreasing fraud cases by 40%. Optimized database performance using indexing & AI-driven query optimizat
Backend Developer
Yimba
Jan 2018 - Feb 2021 (3 years 1 month)
Migrated monolithic architecture to microservices, enhancing system scalability by 3x. Developed an AI-powered API rate-limiting system, blocking 95% of malicious requests. Led the integration of OpenAI’s GPT API for automated customer response generation. Built event-driven backend processing with Kafka & Redis, improving system throughput by 50%.
Junior Backend Developer
Bikmo
Jan 2016 - Jan 2018 (2 years)
Developed and deployed secure REST APIs using Django & PostgreSQL. Automated log analysis & monitoring with AI-based anomaly detection. Implemented GraphQL APIs, reducing frontend-to-backend calls by 30%.
Education
Degrees, certifications, and relevant coursework
Udemy
Course, DevOps
2023 - 2023
Completed a course on AI-Driven DevOps & Backend Optimization, focusing on integrating AI into backend processes and DevOps practices.
Coursera
Course, Backend Systems
2022 - 2022
Completed a course on Advanced Backend Systems & Cloud Automation, enhancing skills in cloud technologies and backend system design.
Amazon Web Services
Certification, DevOps
2021 - 2021
Achieved AWS Certified DevOps Engineer – Professional certification, validating expertise in deploying and managing applications on AWS.
University of Chester
Bachelor's, Computer Science
2012 - 2016
Completed a Bachelor's degree in Computer Science, focusing on software development, algorithms, and system design principles.
Tech stack
Software and tools used professionally
Availability
Location
United KingdomAuthorized to work in
Job categories
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