Caelyb Lockett

Data Engineer at Revolent (on placement at Barclays)

Developed and maintained full-stack features for a data querying application, built a responsive front-end in React with TypeScript, and scalable back-end services using Node.js and Java. Designed RESTful APIs, wrote optimized SQL queries for efficient data retrieval, with Snowflake for scalable storage. Built and maintained automated test suites using Playwright and Java, applying BDD practices to improve test coverage. Contributed to weekly release cycles and deployments using GitLab CI, Prisma, and SonarQube, enforcing coding standards with ESLint and Prettier. Collaborated with cross-functional Agile Scrum teams, actively participating in code reviews, refactoring, and continuous improvement.

Junior Software Engineer at Earthwave Ltd

Followed DRY and YAGNI principles to write readable, maintainable code with over 80% unit test coverage to meet operational standards and pass CI/CD reviews. Used React to create visually appealing web pages for services and documentation, including unit (Jest) and integration (Playwright) testing. Employed Python libraries (Pandas, NumPy, SciPy) to build data processing services and expose them via Flask API routes to the frontend. Engaged with ESA stakeholders quarterly to demo work and propose changes. Proactively enrolled in online HND-level Software Development course focusing on Java and software development practices.

Associate Software Developer at AND Digital

Worked in cross-functional Agile Scrum teams, contributing to frontend and backend development using React, Node.js, Next.js, ESLint, Jest, and Playwright; collaborating with Jira and GitLab. Followed SOLID design principles to keep code maintainable and built MVPs quickly to support client goals and foster innovation.