CRIT France

6 Jobs

4,774 Employees

About the Company

Acteur leader dans les ressources humaines et recrutement en CDD, CDI et intérim, CRIT compte aujourd'hui près de 500 agences d'emploi généralistes et spécialisées en France, en Europe et aux Etats-Unis. Depuis 60 ans, nous répondons aux besoins en ressources humaines des entreprises publiques et privées dans tous les métiers de l'Industrie, du transport et de la logistique, du BTP et des Services. Nous accompagnons chaque année plus de 180 000 salariés de toutes qualifications (ouvriers, employés, techniciens, cadres…), que ce soit en CDI, CDD ou mission d'intérim : pourquoi pas vous ?

Listed Jobs

Company Name: CRIT France
Job Title: Développeur Front-End React H/F
Job Description: Job Title: Front‑End React Developer (H/F) Role Summary Design, develop, and maintain sophisticated web applications using React, modern JavaScript, and TypeScript. Deliver high‑performance, user‑centric features, collaborate with back‑end teams, and contribute to a micro‑frontend architecture on AWS. Expectations • 4‑7 years of professional front‑end development experience • Strong command of React, Jest, Cypress, CSS/SCSS, and responsive design principles • Solid understanding of micro‑services architecture, serverless concepts, and AWS services (Lambda, DynamoDB, API Gateway) • Proficient in test‑driven development and continuous integration/continuous deployment (CI/CD) pipelines • Technical leadership and mentorship of junior developers, fostering code quality and best practices • Active participation in a cross‑functional feature team with Product Owner and UX/UI designers • Commitment to continuous improvement and innovation within the product lifecycle Key Responsibilities - Architect and implement front‑end components following React best practices and design patterns - Write comprehensive unit and integration tests with Jest and Cypress to ensure functional reliability - Integrate RESTful and GraphQL services exposed by AWS serverless back‑ends, handling data persistence with DynamoDB - Develop and evolve a micro‑frontend structure to enable modular, scalable feature delivery - Mentor junior developers, conduct code reviews, and champion clean code principles - Collaborate with Product Owner and UX/UI teams to translate business and design requirements into technical solutions - Own end‑to‑end technical delivery of features, from deployment to production monitoring - Drive adoption of new tools, frameworks, and processes that enhance development velocity and product quality Required Skills - Expertise in React (including Hooks, Context API, and state management libraries such as Redux or Zustand) - Proficient in JavaScript/TypeScript, ES6+, HTML5, CSS3, and modern build tools (Webpack, Vite) - Experience with Jest, Cypress, and other testing frameworks - Familiarity with AWS services: Lambda, DynamoDB, API Gateway, S3, CloudFormation, and SAM - Knowledge of micro‑frontend patterns, module federation, and component libraries - Strong understanding of REST, GraphQL, and asynchronous data fetching patterns (e.g., SWR, React Query) - Solid grasp of responsive design principles and cross‑browser compatibility - Excellent problem‑solving skills and ability to troubleshoot performance issues Required Education & Certifications - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience) - Relevant technical certifications (e.g., AWS Certified Developer – Associate or similar) are a plus, but not mandatory.

Company Name: CRIT France
Job Title: Lead Developer NestJS/AWS H/F
Job Description: Job Title: Lead Developer NestJS/AWS (H/F) Role Summary: Lead the design, development, and operational maintenance of a mobile‑backend system built on NestJS and AWS Serverless. Own end‑to‑end delivery, mentor a small team, and collaborate cross‑functionally with front‑end, product, and UX/UI to deliver high‑quality microservices. Expactations: - Own a backend product from architecture to production. - Drive technical excellence, code quality, and performance in a microservices environment. - Mentor developers, set coding standards, and foster teamwork. Key Responsibilities: - Design and implement scalable, serverless microservices using NestJS on AWS (Lambda, API Gateway, DynamoDB, SQS, etc.). - Manage full development lifecycle: design, coding, testing, deployment, monitoring, and issue resolution. - Lead a small engineering team, conduct code reviews, and provide constructive feedback. - Collaborate with front‑end, UX/UI, and product owners to translate business requirements into technical solutions. - Ensure continuous delivery and DevOps practices (CI/CD pipelines, IaC, automated testing). - Own post‑release ops, performance tuning, and incident response. Required Skills: - 3‑5 years leading backend engineering roles; total 7‑10 years coding experience. - Proficiency in Node.js / TypeScript, NestJS framework, and AWS Serverless architecture. - Experience building mobile‑backend services (React Native integration recommended). - Strong knowledge of microservices patterns, event‑driven design, and API versioning. - Solid understanding of “you build it, you run it” philosophies, including infrastructure as code and automated deployment. - Excellent communication, mentorship, and teamwork abilities. Required Education & Certifications: - Bachelor’s degree or higher in Computer Science, Engineering, or related field. - Certifications in Node.js, AWS (e.g., AWS Certified Developer – Associate, AWS Certified Solutions Architect – Associate) are a plus.

Company Name: CRIT France
Job Title: Développeur Back-End - Expertise en Microservices, AWS et Nest.js H/F
Job Description: Job title: Back‑End Developer – Microservices, AWS, NestJS (H/F) Role Summary: Architect, develop, and maintain high‑performance microservices using NestJS deployed on a serverless AWS environment. Own end‑to‑end delivery—from design and coding to deployment and production support—in a collaborative feature‑team setting. Expectations: - Deliver fully functional services with complete ownership of the development lifecycle. - Collaborate closely with front‑end, UX/UI, and product owners to define feature scope and quality. - Continuously innovate and improve backend solutions, applying best practices in architecture and DevOps. Key Responsibilities: - Design and implement scalable NestJS microservices on AWS Lambda, API Gateway, and related serverless services. - Integrate and manage DynamoDB and other key‑value databases, ensuring data consistency and performance. - Build CI/CD pipelines for automated testing, deployment, and monitoring. - Participate in code reviews, sprint planning, and backlog grooming. - Troubleshoot and resolve production issues with minimal impact. - Document architecture, APIs, and operational procedures for knowledge sharing. Required Skills: - Strong proficiency in Node.js with NestJS framework. - Proven experience designing and deploying serverless microservices on AWS (Lambda, API Gateway, DynamoDB, SQS, SNS, CloudWatch). - Deep understanding of database design, especially Key‑Value stores and NoSQL data models. - Familiarity with CI/CD tools (e.g., GitHub Actions, Jenkins, GitLab CI). - Knowledge of API design principles (REST, GraphQL). - Version control expertise (Git). - Excellent communication and teamwork abilities. - Self‑driven, proactive problem‑solving mindset. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or related field. - Minimum 2–3 years of professional backend development experience with microservices and AWS. - AWS Serverless or Solutions Architect certifications are a plus.

Paris, France

Hybrid

11-12-2025

Company Name: CRIT France
Job Title: Administrateur Réseau et Sécurité H/F
Job Description: **Job Title:** Network and Security Administrator (M/F) **Role Summary:** Responsible for administering, maintaining, and securing LAN/WAN networks, telephony infrastructure, and related security tools. Provides advanced IT support, contributes to cybersecurity awareness, and participates in technical projects to ensure high availability, performance, and compliance with quality standards. **Expectations:** - Minimum 5 years of experience in network and security administration. - Ability to work autonomously, analyze issues, and propose improvements. - Strong teamwork and cross‑functional collaboration. - Excellent written and verbal communication skills, including business‑level English. **Key Responsibilities:** - Administer and secure LAN/WAN networks, firewalls, VPNs, and telephony systems. - Deliver second‑level support to IT teams and promote cybersecurity best practices. - Define requirements, validate solutions, and implement new network architectures. - Create and maintain technical documentation, standards, and SOPs. - Deploy and manage monitoring tools to ensure performance and high availability. - Lead continuous improvement initiatives (action plans, corrections, optimizations). - Contribute to Business Continuity (PCA) and Disaster Recovery (PRA) testing and updates. - Ensure compliance with quality procedures (ISO 13485, GMP) and change‑management processes. **Required Skills:** - In‑depth knowledge of LAN/WAN environments, firewalls, VPNs, and network monitoring tools. - Strong understanding of cybersecurity principles and best practices. - Proficient in troubleshooting, root‑cause analysis, and incident resolution. - Excellent analytical, methodological, and autonomous work style. - Ability to propose innovative solutions and stay updated on emerging technologies. - Effective written communication and documentation skills. - Team player with strong interpersonal abilities. - Fluent English (professional proficiency). **Required Education & Certifications:** - Bachelor’s or Master’s degree (Bac+5) in Computer Science, Networking, Telecommunications, or Cybersecurity (engineer‑school level). - Relevant certifications (e.g., CCNA/CCNP, CISSP, CISM, or equivalent) are advantageous but not mandatory.

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