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Yousof – AWS, React, Typescript, experts in Lemon.io

Yousof

From United Kingdom (UTC-5)flag

Full-stack Web Developer|Senior

Yousof – AWS, React, Typescript

Yousof is a senior backend-leaning full-stack engineer with 14 years of experience, specializing in Node.js, AWS, TypeScript, and React. He has led the design and delivery of scalable, multi-tenant systems and demonstrates strong architectural ownership, particularly in high-traffic and infrastructure-heavy environments. His leadership and communication skills are well established and is effective in structured teams and excels in backend-heavy or full-stack roles with a backend focus.

14 years of commercial experience in
Healthcare
Marketing
Retail
Web development
Software development
Main technologies
AWS
5 years
React
9 years
Typescript
8 years
Node.js
9 years
WordPress
12 years
Next.js
6 years
Additional skills
DynamoDB
Nuxt.js
Apache Kafka
PostgreSQL
Snowflake
MongoDB
Nest.js
MariaDB
Python
Drupal
Java
Spring Boot
Kafka
Spring
GCP
Jira
Direct hire
Possible
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Experience Highlights

Senior Software Engineer & Tech Lead
Oct 2022 - Ongoing3 years 5 months
Project Overview

Led the architecture and delivery of business-critical authorization and gateway solutions within a large-scale digital ecosystem. The project focused on building secure, scalable access control and API gateway layers to manage authentication, traffic routing, and service-to-service communication. Acted as a technical lead across multiple high-impact initiatives, ensuring reliability, performance, and security for systems serving millions of users.

Responsibilities:
  • Architected replacement of legacy monolithic authorization system, improving administration workflows by 95%;
  • Designed and implemented a custom Layer-7 API Gateway handling 1M+ concurrent requests per pod;
  • Led adoption of Event Sourcing and Kafka-based architectures, achieving 80% performance improvements;
  • Owned security architecture, including asymmetric encryption and compliance with InfoSec audits;
  • Mentored engineers and influenced architectural standards across multiple teams.
Project Tech stack:
Nest.js
Apache Kafka
DynamoDB
Apollo GraphQL
React
Redis
MongoDB
PostgreSQL
Snowflake
Node.js
Java
Spring Boot
AWS
Full-stack Technical Lead
Dec 2021 - Dec 20221 year
Project Overview

Led a project focused on modernizing legacy systems and evolving core web services and marketing platforms. The work involved improving performance, optimizing infrastructure costs, and aligning technical initiatives with the broader product roadmap. Key efforts included refactoring existing systems, enhancing scalability and efficiency, and ensuring the platforms could better support growing user and business needs.

Responsibilities:
  • Led modernization of legacy platforms into cloud-native architectures;
  • Partnered with executive stakeholders on technical strategy and roadmap planning;
  • Reduced cloud costs while improving system performance and reliability;
  • Established engineering standards and deployment practices across teams.
Project Tech stack:
Node.js
Typescript
MongoDB
PostgreSQL
Nest.js
Laravel
WordPress
Apollo GraphQL
Redis
Jira
GCP
Lead Developer
Jul 2020 - Mar 20221 year 8 months
Project Overview

Led a project focused on transforming the company’s digital delivery capabilities to better support a large base of high-value clients. The work involved improving platform performance, enhancing user experience, and aligning technical solutions with business needs to deliver more reliable and scalable digital services.

Responsibilities:
  • Transformed 410+ outdated websites and 5+ internal reporting tools, achieving maximum performance and compatibility;
  • Reduced AWS, GCP infrastructure, and manpower costs by up to 65%;
  • Constructed a core business reporting tool from scratch, saving at least 50% in hosting costs and delivering 3x faster results;
  • Automated crucial data collection to ensure high-value website maintenance;
  • Created 50+ guides and documents for key processes, ensuring future business continuity;
Project Tech stack:
AWS
Redis
Laravel
Linux
Nuxt.js
Vue.js
WordPress
Typescript
Python
PostgreSQL
MariaDB
CakePHP
Lead Developer
Jan 2015 - Mar 20205 years 2 months
Project Overview

Led a development team responsible for delivering high-performance, web-based applications. The project focused on building scalable and efficient solutions, ensuring strong system performance, and maintaining high-quality standards across the full development lifecycle, from planning and architecture to delivery and ongoing improvements.

Responsibilities:
  • Developed and managed high-performance web services and websites;
  • Optimized VPS hosting servers for maximum performance and scalability;
  • Progressed to a Partner role, taking on additional responsibilities.
  • Managed stakeholders in collaboration with the Engineering Manager and Product Manager, ensuring alignment on priorities, requirements, and delivery goals.
Project Tech stack:
Laravel
AWS
Linux
Redis
MariaDB
MySQL
PostgreSQL
Drupal
WordPress
React
Vue.js
Node.js

Languages

English
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