Aurelius Calliste
London,Greater London
Summary
A skilled professional with expertise in React and Redux, TypeScript, and problem-solving. Demonstrates a calm demeanour under pressure and excels in team building. Committed to leveraging technical skills to drive innovative solutions and enhance team performance.
Overview
20
20
years of professional experience
1
1
Certificate
1970
1970
years of post-secondary education
Work history
Technical Lead
AXA
London, City of London
02.2022 - 09.2025
- Delivered new application features with React, Redux Toolkit, Styled Components, and Node.js, enhancing usability.
- Oversaw migration of data from legacy systems, ensuring smooth transition with minimal disruptions.
- Upgraded codebase to React 18 and optimised build processes, reducing build times by 10%.
- Established coding best practices through peer reviews and SonarQube standards, improving code quality.
- Directed a team of developers and apprentices, facilitating Agile sprint planning and delivery.
- Coordinated with other departments to align IT objectives with overall business goals.
- Implemented rigorous testing protocols resulting in fewer bugs at launch phase.
- Enhanced user experience by focusing on front-end development improvements.
- Championed the implementation of Agile methodologies for improved workflow efficiency.
- Tested functionality of applications before roll-out ensuring user-friendly interface.
- Facilitated training sessions to upskill junior developers.
- Streamlined code review process to enhance software quality.
- Adopted cybersecurity best practices reducing vulnerability to cyber threats.
- Collaborated with stakeholders, ensured alignment on technical specifications.
- Optimised system performance through regular monitoring and proactive maintenance activities.
- Pioneered the creation of technical documentation for easier reference by colleagues.
- Introduced innovative state management and styling techniques for accelerated component development.
- Collaborated with Azure/AWS/GCP cloud services to implement scalable, cost-effective hosting solutions.
- Configured and integrated Azure DevOps CI/CD pipelines for reliable and efficient deployments.
- Introduced improved state management and styling approaches, accelerating component development.
- Leveraged Azure/AWS/GCP cloud services to ensure scalable, cost-effective hosting solutions.
Senior Front End Developer
DoctorCareAnywhere
02.2021 - 01.2022
- Delivered new features and resolved defects in the company’s Specialist Portal Web Application using React, Redux, TypeScript, and REST APIs.
Senior Developer - React
Red River Software
10.2020 - 11.2020
- Extended dashboard functionality for internal reporting using React integrated into a Laravel backend.
- Built role-based access features and enhanced data visualisation.
- Strengthened UI consistency using SASS, Bootstrap, and LESS.
- Coordinated with backend engineers to optimise API integrations.
- Attended industry conferences, gaining insights into emerging technologies.
- Mentored junior developers, cultivating a supportive learning environment.
- Utilised agile methodology in software development for faster turnaround times.
- Developed complex software applications to improve company operations.
- Identified and resolved various bugs, enhancing system performance.
Senior Developer – React
Finixio
07.2020 - 09.2020
- Developed a plugin for the Finixio Dashboard using React within a Laravel framework, enhancing reporting capabilities.
- Integrated RESTful services for seamless data retrieval and updates.
- Styled the application with SASS, Bootstrap, and LESS for consistency across modules.
- Implemented React Router and reusable components to improve navigation and maintainability.
- Reviewed code and designs regularly to enable continous innovation and development.
- Wrote clean, clear and well-tested code for various projects.
- Led initiatives to refactor and optimise existing codebase, enhancing system maintainability and performance.
Senior Front End Developer
Coriolis
12.2019 - 03.2020
- Developed UI features for Afreximbank's Trade Information Portal using React, Node.js, and Bootstrap.
- Converted design mockups from Figma and Photoshop into responsive web pages.
- Integrated AWS Cognito for secure user authentication.
- Created custom React components to enhance internal framework functionality.
- Optimised main website by refining JavaScript and CSS codebases.
- Prototyped new features efficiently through Agile development practices.
- Eliminated security vulnerabilities via thorough validation checks during development.
Senior Front End Developer
Nuderm
04.2019 - 12.2019
- Front end development using WordPress.
- Conversion of Photoshop mockups to responsive web pages.
- Creation of design assets using Photoshop.
- Developed site features and assisted with UI features using WordPress plugins.
Senior Front End Developer
Viker
02.2019 - 03.2019
- Build of an in-house CMS using React, Bootstrap, Node, and AWS.
- Migration of applications from internal data to AWS.
- Assisted with AWS infrastructure using cloud formation templates in JSON.
- Development of new user-facing components using React.
- Worked with an agile team in an agile environment.
- Created a mobile Scratchcard game using C# with Unity 2D.
Game Developer
GIMO
06.2018 - 11.2018
- Created an online games forum using React, Node, and Bootstrap.
- Built reusable components and front-end libraries for future use.
- Developed and programmed 2D mini casino games for online marketing.
- Used Construct 2, Unity 2D, C#, HTML5, CSS3, Javascript, and Ajax.
- Created design assets and graphics for featured games using Photoshop.
Front End Developer
Hays
01.2018 - 04.2018
- Built React cross-browser microsites from PSD mock-ups.
- Implemented user interfaces created by design teams using React, Node, CSS3, SASS, LESS, Bootstrap.
- Developed web applications with cutting-edge React APIs.
- Collaborated with team members and stakeholders for successful results.
- Designed mock-ups for external clients and implemented site builds.
Junior Front End Developer
Precision
10.2015 - 01.2016
- Created single-page applications using HTML5, CSS3, SASS, jQuery, and React.
- Implemented various UI features within an MVC architecture coding in C# and utilizing the .NET framework.
- Assisted with technical specifications and coding documentations for new projects.
- SQL Database tracing and querying to investigate first/second line support inquiries.
- Monitored and supported company printers Brother, HP Indigo 10000 Press.
- Managed XML and HTML files and emails for user interaction/error logging with network, hardware issues.
Executive Assistant / Rota Coordinator
East London NHS
01.2014 - 09.2015
- NHS Community Health Newham | Corporate Personal Assistant (Temporary NHS Bank Staff)
Right To Buy Officer
London Borough of Redbridge
07.2007 - 12.2008
Recruitment Consultant
Reed
07.2005 - 07.2007
Education
BA Hons Degree - English Literature
Goldsmiths, University Of London
09/2002 - 07/2005
A-levels - English B, German D, French D
Bancroft’s School, Essex
09.1998 - 7 2000
GCSE’s - Latin A English Lit + Lan: A A
Christ’s Hospital School, Sussex
09.1993 - 7 1998
Skills
- React and Redux
- TypeScript
- Calm under pressure
- Problem-solving
- Team building
Certification
Certificates: HTML5, CSS3, Javascript, ASP.NET, C# | May 2017 - May 2017
Timeline
Technical Lead
AXA
02.2022 - 09.2025
Senior Front End Developer
DoctorCareAnywhere
02.2021 - 01.2022
Senior Developer - React
Red River Software
10.2020 - 11.2020
Senior Developer – React
Finixio
07.2020 - 09.2020
Senior Front End Developer
Coriolis
12.2019 - 03.2020
Senior Front End Developer
Nuderm
04.2019 - 12.2019
Senior Front End Developer
Viker
02.2019 - 03.2019
Game Developer
GIMO
06.2018 - 11.2018
Front End Developer
Hays
01.2018 - 04.2018
Junior Front End Developer
Precision
10.2015 - 01.2016
Executive Assistant / Rota Coordinator
East London NHS
01.2014 - 09.2015
Right To Buy Officer
London Borough of Redbridge
07.2007 - 12.2008
Recruitment Consultant
Reed
07.2005 - 07.2007
A-levels - English B, German D, French D
Bancroft’s School, Essex
09.1998 - 7 2000
GCSE’s - Latin A English Lit + Lan: A A
Christ’s Hospital School, Sussex
09.1993 - 7 1998
BA Hons Degree - English Literature
Goldsmiths, University Of London
09/2002 - 07/2005
Custom
Career Break - Due to a record deal with Big Dada Recordings. Traveled Europe, America, and the Middle East.
Projects
05/2017 until 01/2018 - Spent this time learning new skills and completing personal projects. Undertook temporary work during this period., 04/2017 - 05/2017 - Completed Courses in HTML5, CSS3, Javascript, and ASP.Net at the London Academy of I.T., 01/2016 - 04/2017 - Undertook temporary work during this period.
Custom
Career Break - Due to a record deal with Big Dada Recordings. Traveled Europe, America, and the Middle East.
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