AWS Cross-Account Access: A Secure IAM-Based Solution
So you've been asked to create a private and secure connection for another team to access one of your team's awesome services in AWS...
About Me
A brief introduction to who I am
Jasper White
I'm a Senior Product Engineer at Which with over five years experience working in software engineering. I'm passionate about building scalable cloud solutions and driving digital transformation. With a background spanning from trading floors to modern software engineering, I bring a unique perspective to problem-solving and product development.
My journey has taken me from analyzing betting markets to architecting AWS infrastructure, always with a focus on delivering real business value through technology. I thrive on understanding user behavior, implementing data-driven solutions, and pushing the boundaries of what's possible with modern cloud platforms.
AWS Certified
Product Engineering
Cloud Architecture
Data-Driven
My Passions
What drives and inspires me
Solving Business Problems
I'm passionate about understanding the 'why' behind every feature we build. I focus on defining clear outcomes and expectations, recognizing that there will always be trade-offs and committing to making informed decisions that drive real business value.
Understanding User Behavior
Data tells stories that guide product decisions. I dive deep into user analytics to understand how people interact with our platform, uncovering patterns and insights that inform feature development and user experience improvements.
User Experimentation
I believe in testing hypotheses through controlled experiments. By presenting users with different variants and measuring outcomes, we can make data-driven decisions that lead to more positive user experiences and business results.
Testing Automation
I prioritize end-to-end testing over unit testing to build confidence in software releases. Comprehensive automation testing ensures our applications work seamlessly from the user's perspective, reducing risk and improving deployment reliability.
Challenging Sports Events
I thrive on pushing my physical limits through running and cycling events. These challenges teach discipline, perseverance, and goal-setting skills that translate directly into my professional approach to complex projects.
Traveling the World
Exploring destinations around the globe helps me relax and recharge my batteries. Travel broadens my perspective, inspires creativity, and provides the mental space needed to return to work with fresh ideas and renewed energy.
My Skills
Technologies and methodologies I work with
AWS
Terraform
Typescript
Kotlin
Scrum
Serverless
NPM
IntelliJ
CI/CD
Agile
My Career
A journey through technology and innovation
Senior Product Engineer - Which?
Product Engineer - Which?
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2023
Promoted to Product Engineer in January and transitioned to the Audience Platform project, leading the migration from a 13-year-old legacy CRM system to Salesforce. Successfully delivered the first release in July with an in-person deployment alongside our Member Services team in Cardiff.
Owned the customer registration system for the new CRM platform. Later moved to the Appointment Booking project, implementing an online triage system that reduced customer service calls by 50%. Enhanced deployment confidence by introducing integration tests to our CI/CD pipeline.
Owned the customer registration system for the new CRM platform. Later moved to the Appointment Booking project, implementing an online triage system that reduced customer service calls by 50%. Enhanced deployment confidence by introducing integration tests to our CI/CD pipeline.
Junior Software Engineer - Which?
▼
2022
Joined Which's Core Services squad, working on critical pricing engines and product APIs that power the main website. Implemented A/B testing experiments on review pages to analyze user behavior and inform future product iterations. Managed stakeholder relationships and prioritized features based on revenue forecasting.
Junior Software Engineer - Sky Betting & Gaming
▼
2021
Following the success of the "Yes or No" market prototype, I developed it into a full cloud-based production solution. Dove deep into DevOps practices and AWS infrastructure management. Earned my AWS Cloud Practitioner certification before deciding to relocate to London for new career opportunities after five years of service.
2020
Led the rebuild of the legacy horse racing trading application that processed over £1 billion annually, transforming it into a modern, event-driven web solution. Gained valuable experience in incident management, working independently on-call to resolve live trading issues and minimize revenue impact.
2019
Transitioned to a permanent Software Engineer role. Immersed myself in agile methodologies while learning Kotlin and JVM applications. Focused heavily on software testing fundamentals and pair programming with senior engineers, asking countless questions to accelerate my learning.
Football Trader - Sky Betting & Gaming
▼
2018
Expanded my role by building Excel prototypes for innovative betting products, including football transfer accumulators and the groundbreaking "Yes or No" market. Developed advanced Excel proficiency and VBA automation skills. Began shadowing the Trading Development Squad, contributing to essential trading tools and providing on-call support during live events.
2017
After graduating, I joined Sky Betting & Gaming as a Football Trader, where I coordinated with cross-functional teams to anticipate and mitigate risk in football betting markets. I analyzed post-match betting data to identify high-risk customers who were consistently profitable, studying their techniques and implementing measures to reduce their impact on market stability.
My Thoughts
Insights and reflections on technology and career