LumApps

About the Company

LumApps is the future-ready Intranet for businesses that want to stay ahead. It transforms the way organizations work by making their employee experience more effective, intuitive, and engaging.

As the most flexible, scalable, and innovative platform, LumApps helps improve communication, boost productivity, and enable growth. It works from day one, but adapts to your business to become a fully connected employee hub.
By seamlessly integrating with Google Workspace or Microsoft 365, LumApps enhances your existing tools and resources, providing a modern, AI-powered digital workplace.

With over 400 employees across 9 offices worldwide, LumApps serves organizations in the Forbes 2000 and Fortune 500, helping them build strong cultures and foster knowledge-sharing across communities.

Serving more than 6 million users globally, through 750 clients like Publicis Sapient, Ascension Health and Dish Network, LumApps redefines the employee experience by centralizing communications, HR resources, and business applications into one cohesive platform that drives success.

In May 2024, LumApps secured a strategic investment from Bridgepoint, valued at $650 million. This partnership aims to accelerate LumApps' international expansion, particularly in the U.S., and to further invest in product development, enhancing the employee experience through advanced AI and machine learning technologies.

Listed Jobs

Company Name

LumApps

Job Title

Senior Erlang Software Engineer - F/H - Lyon/Paris/Cracow

Job Description

**Job Title** Senior Erlang Software Engineer **Role Summary** Design, implement, and maintain scalable, reliable messaging systems using Erlang/OTP and MongooseIM. Contribute across full stack (backend with Erlang, Java, Python, and frontend with Vue.js/JS/TS). Collaborate in cross‑functional teams to deliver new features, optimize performance, and enforce high code quality standards. Participate in on‑call rotation and continuous improvement of DevOps practices. **Expectations** - Deliver high‑quality, production‑ready code within agreed timelines. - Share expertise in functional programming and distributed systems. - Actively engage in code reviews, documentation, and knowledge sharing. - Maintain a proactive stance on system reliability, scalability, and security. - Participate in on‑call duties and respond to incidents with minimal disruption. **Key Responsibilities** 1. Develop and extend backend services in Erlang, applying OTP principles to build fault‑tolerant, distributed components. 2. Optimize MongooseIM‑based messaging platform for performance, scalability, and reliability. 3. Contribute to frontend development using Vue.js, JavaScript/TypeScript, and HTML/CSS. 4. Participate in design discussions, architecture reviews, and feature planning with product managers, designers, and QA. 5. Write and maintain CI/CD pipelines, Docker/Kubernetes configurations, and automated tests. 6. Conduct code reviews, refactor legacy code, and enforce coding standards. 7. Troubleshoot production issues, conduct root cause analysis, and implement preventive measures. 8. Stay current with Erlang/OTP advances, messaging protocols (XMPP), and industry best practices. 9. Engage on‑call rotation and respond to incidents in a timely, effective manner. **Required Skills** - Minimum 5 years software engineering experience. - Deep expertise in Erlang/OTP and functional programming patterns. - Strong understanding of distributed systems, fault tolerance, and concurrency. - Experience with MongooseIM and XMPP (preferred). - Comfortable writing backend services in Java or Python. - Proficiency in frontend technologies: Vue.js, JavaScript/TypeScript, HTML/CSS. - Knowledge of modern DevOps: Docker, Kubernetes, CI/CD pipelines, Git. - Excellent written and spoken English. - Strong problem‑solving, communication, and teamwork skills. **Required Education & Certifications** - Bachelor's (or higher) in Computer Science, Software Engineering, or related field (or equivalent professional experience). - Certifications in Erlang/OTP, distributed systems, or cloud platforms are a plus.

Tassin-la-demi-lune, France

Hybrid

Senior

28-01-2026

Company Name

LumApps

Job Title

Front-end Software Engineer - (F/H) - Lyon/Paris

Job Description

**Job Title** Front‑end Software Engineer (F/H) **Role Summary** Design, develop, and maintain high‑quality, intuitive user interfaces for LumApps’ web applications. Lead end‑to‑end feature development using the company’s internal design system, collaborating across product, design, backend, and QA teams to deliver secure, accessible, and scalable frontend solutions. **Expectations** - Deliver pixel‑perfect, bug‑free features on a rapid, iterative cycle. - Write clean, modular TypeScript/React code that meets performance, security, and accessibility standards. - Actively participate in code reviews, testing, and continuous improvement practices. - Communicate effectively in English with cross‑functional teams and stakeholders. **Key Responsibilities** 1. **Feature Development** - Design, prototype, and implement frontend functionality (login pages, IDP setup, user/profile, role/group/segment management, tooling). - Source code is written in TypeScript with React (v17+); integrate with internal design system. 2. **Collaboration & Specification** - Partner with product managers, designers, and backend engineers to define requirements and translate them into accurate technical specifications. - Review and refine features before release, ensuring alignment with product vision. 3. **Quality & Reliability** - Write unit tests (Jest), use Storybook and React Testing Library; perform thorough PR reviews. - Enforce coding standards, performance optimization, security best practices, and accessibility (A11y) compliance. 4. **Maintenance & Documentation** - Support existing features, fix defects, and update documentation as needed. - Propose and implement process or codebase improvements to raise overall quality. **Required Skills** - 3+ years of frontend development with TypeScript and React. - Strong grasp of component design, state management, and performance optimization. - Experience with testing frameworks (Jest, RTL), Storybook, and CI/CD pipelines. - Knowledge of web accessibility (WCAG/A11y) and security best practices. - Excellent written and verbal English communication. - Comfortable with pair programming and collaborative workflows. **Required Education & Certifications** - Bachelor’s degree (or equivalent) in Computer Science, Software Engineering, or related field. - No mandatory certifications, but familiarity with modern frontend toolchains and design systems is essential.

Tassin-la-demi-lune, France

Hybrid

Junior

29-01-2026

Company Name

LumApps

Job Title

Security Engineer - Paris / Lyon / Cracow

Job Description

**Job Title** Security Engineer **Role Summary** Maintain and enhance the security posture of LumApps’ cloud and web applications. Lead automated security tooling, triage findings, support incident response, and embed secure development practices throughout the SDLC. **Expectations** - 3‑+ years of professional application/cloud security experience. - Proven ability to enforce security in AWS and GCP environments. - Experience with Kubernetes, containerized workloads, and CI/CD pipeline security. **Key Responsibilities** 1. **Security Operations & Tooling** – manage DAST, SAST, and SCA pipelines; triage and collaborate with development teams to close vulnerabilities within defined SLAs. 2. **Incident Response** – coordinate security incidents, track tickets, and ensure timely resolution. 3. **SDLC Integration** – promote secure coding, API security, and secure third‑party components throughout development cycles. 4. **Testing & Assessments** – support internal penetration tests, risk assessments, and recurring security reviews. 5. **AI Security** – apply best practices to AI/LLM usage and align with senior leadership’s strategy. 6. **Knowledge Sharing** – deliver security awareness sessions and contribute to internal training initiatives. **Required Skills** - Application & API security (OWASP Top 10, OWASP API Top 10). - Source‑code analysis in Python and Java. - Cloud security best practices for AWS & GCP. - Container/Orchestration security (Kubernetes). - CI/CD pipeline security and automation. - Data security, encryption, and secure data handling. - Network protocols (TCP/IP, DNS) and security concepts (WAFs, IDS). - Proficiency with SAST, DAST, SCA tooling. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Information Security, or related field. - Relevant certifications (e.g., CISSP, CEH, CISM, AWS/Azure security) are highly desirable.

Tassin-la-demi-lune, France

Hybrid

Junior

18-02-2026