COCERTO

About the Company

Cocerto : votre partenaire de proximité pour un accompagnement à 360° Chez Cocerto, nous plaçons la proximité et la réactivité au cœur de notre accompagnement. Bien plus qu’un cabinet d’expertise comptable, nous vous proposons des solutions globales et sur mesure pour répondre à l’ensemble des besoins de votre entreprise. Notre mission : sécuriser, optimiser et anticiper chaque étape de la vie de votre société. Nous intervenons sur des domaines variés pour vous aider à relever vos défis quotidiens : Expertise comptable & audit Gestion sociale & paie (contrats, bulletins, obligations sociales) Accompagnement juridique (rachats, fusions, transmissions, secrétariat juridique) Pilotage sur mesure grâce à des tableaux de bord stratégiques Conscients que votre temps est précieux, nous misons sur la flexibilité de nos échanges. Nos collaborateurs, disponibles et réactifs, s’adaptent à vos préférences en proposant des rendez-vous en présentiel, en visioconférence ou par téléphone. Pour aller plus loin dans la simplification de votre gestion, nous avons développé nos propres solutions digitales : - Plume : un logiciel de comptabilité et de facturation pensé par nos experts-comptables - Workplace : une plateforme collaborative et sécurisée qui facilite vos échanges avec nos équipes. - Outils dédiés à la facturation électronique pour anticiper sereinement les évolutions réglementaires. Choisir Cocerto, c’est opter pour un accompagnement complet, à taille humaine, bénéficiant de l’expertise et des ressources d’un groupe de près de 300 collaborateurs.

Listed Jobs

Company Name

COCERTO

Job Title

Lead Tech Full Stack React / Node.js

Job Description

Job Title: Lead Tech Full Stack React / Node.js Role Summary: Lead the design, development, and delivery of a new SaaS accounting platform (Lynkia) and associated CRM, driving architectural decisions, code quality, and performance across a small, agile engineering team. Expectations: - Deep knowledge of web architecture, TypeScript, Node.js, and React ecosystems. - Proven experience managing and mentoring a team of front‑end and back‑end developers. - Track record delivering production‑ready web applications, ideally in the finance or accounting domain. - Strong ability to translate business requirements into scalable technical solutions. Key Responsibilities: - Participate in all phases of the agile cycle: concept, development, testing, deployment, and maintenance. - Architect and implement new SaaS features while ensuring performance, security, and maintainability. - Coordinate and supervise day‑to‑day development tasks, providing guidance and resolving blockers. - Produce and maintain technical documentation for the application stack and processes. - Champion continuous improvement of delivery practices using DevOps tools and agile methodologies. - Collaborate closely with product owners, stakeholders, and senior leadership to align product outcomes with business goals. Required Skills: - Strong command of TypeScript, Node.js (NestJS, Fastify), React (Next.js, Vite). - Experience with TanStack Query, Shadcn, Tailwind CSS, Docker, database mapping (Drizzle), and schema validation (Zod). - Proficiency in designing scalable, secure, and high‑performance web applications. - Familiarity with Agile frameworks (Scrum/Kanban) and continuous integration/continuous delivery pipelines. - Excellent communication and leadership abilities, capable of mentoring junior developers and collaborating across teams. - Ability to work independently and manage multiple priorities in a fast‑paced environment. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or related field (equivalent professional experience considered acceptable). - Relevant certifications (e.g., Microsoft Certified: Azure Developer Associate, AWS Certified Developer, or similar) are a plus but not mandatory.

Cesson-sévigné, France

Hybrid

Senior

03-02-2026

Company Name

COCERTO

Job Title

Développeur back-end F/H (Node.js)

Job Description

**Job Title** Backend Developer – Node.js **Role Summary** Contribute to the creation and deployment of a new web‑based accounting platform (Lynkia) and the group CRM by designing, developing, and maintaining robust backend services using NestJS, TypeScript, and related technologies. Work collaboratively within an agile team and engage in continuous learning and technology scouting. **Expectations** * Deliver clean, scalable code that meets functional and performance requirements. * Participate actively in sprint ceremonies (daily stand‑up, sprint planning, code reviews, retrospectives). * Maintain high standards for security, error handling, and data integrity. * Keep abreast of emerging best practices in Node.js, Docker, and real‑time systems. **Key Responsibilities** * Design and implement RESTful APIs and services in NestJS/Node.js. * Write unit and integration tests, and perform code reviews. * Build and maintain Docker images and manage containerized deployments. * Work with database tools (Drizzle) and data validation libraries (Zod). * Optimize performance and ensure secure handling of sensitive accounting data. * Collaborate with frontend, product, and QA teams to deliver end‑to‑end solutions. **Required Skills** * Minimum 3 years of backend development experience in TypeScript. * Proficient in Node.js and NestJS frameworks. * Strong experience with Docker and container orchestration concepts. * Familiarity with real‑time data handling (e.g., WebSockets or equivalents). * Knowledge of database access layers/migrations (e.g., Drizzle or similar). * Ability to write clean, maintainable code and perform effective unit testing. * Comfortable working in an Agile Scrum environment. **Required Education & Certifications** * Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). * Optional: certifications in Node.js, Docker, or agile methodologies may be considered an advantage.

Cesson-sévigné, France

Hybrid

02-02-2026