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Randrin Nzeukang NimpaRN

Randrin Nzeukang Nimpa

Senior Full Stack Developer | Tech Lead

On-demand
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Randrin

• Senior Full Stack (Java/Angular/Nest.js/React.js) / Junior Tech Lead with over 10 years of experience in software development (backend and frontend) and Web applications (mobile applications currently in training).
• Intermediate profile in DevOps, CI/CD, Cloud.
• Extensive experience in all stages of the software development lifecycle.
• Excellent knowledge of Object-Oriented Programming (OOP), Web programming, databases, SQL Server reporting, and complex system integration.
• Capable of managing a team using Scrum/Agile methodology and communicating with all project stakeholders.
• French (native language), English (advanced), Italian (advanced), and Spanish (school level).
  • French

    Native or bilingual

  • Italian

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

Can work on-site
Paris (up to 10km), Lille (up to 10km), Lyon (up to 10km)

Experience

  • Lasagnaware S.r.L
    Senior Full Stack (Node.js/Nest.js/React.js/Next.js/Aws)
    DIGITAL AND IT
    April 2025 - April 2026 (1 year)
    Milan, Italy

    Project 2: Aliv@

    Aliv@ is an AI-powered virtual assistance application specializing in law, ready to answer questions and draft legal documents with a futuristic touch.

    Analysis, design, and development based on AI models, LLMs, and documents provided by legal professionals, creating a chatbot capable of responding in real-time to legal questions from Italian citizens seeking answers or pre-compiled document examples.

    Responsibilities:
    • Study of available AI models and LLMs;
    • Integration of models and documentation for coherent responses;
    • Close participation in backend development with Python using FastAPI, LangChain, and Bedrock;
    • Responsible for frontend development with React.js and Next.js;
    • Participation in Scrum agility (daily sprint, 2-week sprint, sprint review, retrospective, and refinement with the client);
    • Integration of source code with the AWS CI/CD infrastructure;
    • Delivery pipeline across different environments (Development, Staging) with GitHub Workflow;
    • Implementation of unit and integration test cases;
    • Bug and anomaly fixing in case of incidents;
    • Technical documentation of the software solution.

    Technical Environment: Python, Fast API, LangChain, Amazon Bedrock, LLM, AI, React.js/Next.js, Nest.js/Node.js, Visual Studio Code, PyCharm, TypeScript, JavaScript, Jira, Confluence, GitHub Workflows, Postman, Scrum Agile, AWS Services (IAM, ECR, ECS, EC2, S3, Cognito, Secret Manager, Lambda, Step Functions, CloudWatch, API Gateway), PostgreSQL, Swagger Open API, Docker
    Next.js Docker AWS React.js Github Actions
  • Lasagnaware S.r.L
    Senior Full Stack (Node.js/Nest.js/React.js/Next.js/Aws)
    DIGITAL AND IT
    April 2025 - April 2026 (1 year)
    Milan, Italy

    Project 1: Doctolib

    Doctolib is the #1 health application, distributed in France, Italy, Germany, and the Netherlands, offering an online appointment booking service for patients.

    Analysis, design, and development based on Doctolib's APIs of a real-time system for integrating, synchronizing, and configuring patient appointments with the OneCheck Partner application, a partner group for several healthcare centers in Italy.

    Responsibilities:
    • Study of Doctolib's various synchronization API requests;
    • Implementation of secure authentication for requests using MD5 signature;
    • Development from scratch in Nest.js of the pull-push logic for events (appointment booking, new patient creation, doctor slot creation, etc.) on the Doctolib portal;
    • Implementation of Kafka communication with OneCheck's microservices;
    • Implementation of a Redis cache layer for real-time data synchronization;
    • Participation in Scrum agility (Daily, 2-week Sprint, Sprint Review, Retrospective, Refinement with the client);
    • Source code integration with the AWS CI/CD infrastructure;
    • Release pipelines across different environments (Staging, Production) with GitHub Workflow;
    • Execution of unit and integration test cases;
    • Resolution of bugs and anomalies in case of incidents;
    • Technical documentation of the software solution.

    Technical Environment: Nest.js/Node.js, Kafka, Redis Cache, Visual Studio Code, TypeScript, JavaScript, Jira, Confluence, GitHub, GitHub Workflows, Postman, Scrum Agile, AWS Services (IAM, ECS, ECR, EC2, ELK, S3, Secret Manager, API Gateway, Lambda, Step Functions, Cognito, Cloudwatch, Metrics, Monitoring), NoSQL (AWS DynamoDB, MongoDB), Swagger Open API, REST API
    NestJs AWS DynamoDB Node.js Kafka Streams
  • PWC
    Senior Full Stack Java/Angular
    CONSULTING AND AUDITS
    December 2024 - April 2025 (4 months)
    Milan, Italy
    PwC is a multinational group that guarantees the quality of innovative services, strategic, legal, and fiscal consulting for partner companies.

    Analysis, design, and development of wealth and tax modules for Intesa Sanpaolo, a banking subsidiary in the Italian region.

    Responsibilities:

    • Study of the functional specifications of legislative decrees 239 and 461;
    • Analysis of functional needs into technical requirements;
    • Design and development of the business logic layer for data, communicating with several microservices;
    • Creation of layouts and user interface pages, respecting and using the bank's components;
    • Integration of the business logic layer (Backend) with the user layer (Frontend, Angular components);
    • Participation in Scrum agility (Daily, 2-3 week Sprint, Sprint Review, Retrospective, Refinement with the client and Project Manager);
    • Release on different environments (Test, System, Collaudo, Production);
    • Creation of unit and integration test cases;
    • Resolution of bugs and anomalies in case of incidents;
    • User support.

    Technical Environment: Microservices, Java 17, Spring Boot (Data, Security, Web Flux, MVC, Swagger), JPA, IntelliJ IDEA, Visual Studio Code, JavaScript, Angular 18, HTML5/CSS3, Bootstrap, Sass, Jira, Confluence, Bitbucket, Postman, Scrum Agile, AWS, MongoDB, JUnit, Mockito, Jenkins, Ivanti Secure Client VPN, Web Components
    SCRUM Agile Methodology Practice Angular Java Spring boot Microservices Architecture

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Education

  • Programming Language and Economic Intelligence
    E.S.G.I (Superior School of Computer Engineering)
    2015
    E.S.G.I (Ecole Supérieure de Génie Informatique), Paris - France
  • Engineering Diploma
    E.N.S.E.A (National Superior School of Electronics and its Applications)
    2014
    E.N.S.E.A (Ecole Nationale Supérieure de l’Electronique et ses Applications), Paris - France

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