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Senior Erlang Software Engineer

Il y a 54 minutes


TassinlaDemiLune, Auvergne-Rhône-Alpes, France LumApps Temps plein

LumApps is now more than just an Employee Experience Platform — it is an AI-powered Employee Hub that supports companies in their digital transformation of communication, collaboration, and engagement with their customers, partners, and above all their employees.

Our platform is a proven leader in this dynamic market with a truly unique vision and product. It has been deployed by Fortune 500 clients around the world and is delivering meaningful business benefits. LumApps is identified as a leader in Gartner's Magic Quadrant for Intranet Packaged Solutions as well as in Intranets Forrester Wave, and regularly selected for the French Tech Next40/120 program.

In 2025, LumApps strengthened its leadership position by partnering with Beekeeper, a pioneer in frontline employee experience solutions. This strategic collaboration expands our reach and impact across all types of workers — from HQ to the frontline.

Our mission: To make people feel that they belong and have a purpose.

To create an environment where all employees are engaged and work together towards the same goal. Over 700 leading companies trust our solution to:

Improve the productivity of their teams with our AI-powered Collaborative Experience Platform integrated with both Google and Microsoft collaborative suites,

Transform employees into real ambassadors of their company,

Make employees more efficient and better connected to their peers and relevant information, regardless of their location, with the tools and information they need at their fingertips,

Help companies reduce turnover, accelerate employee onboarding, better collaborate and share knowledge, and even improve their customer experiences.

With a team of over 600 Lumies spread across 11 offices (Lyon, Paris, Lille, Sophia Antipolis, London, Barcelona, Hamburg, Austin, Tokyo, Zurich, Krakow), we support large enterprises all around the world. Over the past year, we have been driving an ambitious phase in our journey under the impulse of our new shareholder Bridgepoint, aimed at propelling us to become the clear leader in our market and shine worldwide in our industry. We are looking for individuals who are excited to actively participate in this transformation.

If these core values sound like you: "be bold, do amazing things", "say what you mean, do what you say", "one team, same mission", "always be evolving": apply now

*Team* 

As a Senior Software Engineer with Erlang experience, you will play a key role in maintaining and improving our MongooseIM backend that powers our messaging platform. In addition to Erlang, you will contribute to our frontend and/or backend areas and work with technologies such as Java, Python, JavaScript/TypeScript and You will be responsible for designing, implementing and maintaining scalable, reliable systems and working with cross-functional teams to develop new features and enhancements.

*Missions*

  • Work closely in a cross-functional team with other passionate software engineers, designers, quality assurance, and product managers to develop and ship new features in our communication domains as either backend and / or frontend engineer

  • Optimize, improve and maintain messaging platform based on MongooseIM

  • Stay up-to-date with the latest trends and best practices in Erlang development

  • Our engineers have an on-call duty. When you be will up to speed we expect you to be part of the rota as well

*Skills*

  • At least 5 years of experience in software engineering with a focus on functional programming in Erlang with a good understanding of OTP (Open Telecom Platform) and its application to distributed systems

  • Willingness to work on frontend / JS/TS, HTML) and / or backend development (Java, Python)

  • You care about code quality, continuous refactoring and want to share your knowledge of functional programming within the company

  • Familiar with modern DevOps practices and tools, such as Docker, Kubernetes, or CI/CD pipelines and proficient in Git and other collaborative development tools

  • Good communication and collaboration skills to work with teams spread across different locations and fluent in English


Bonus points:

  • Familiar with MongooseIM and the XMPP protocol

  • Experience in designing and implementing highly scalable, fault-tolerant, and distributed systems

  • Experience in contributing to open-source projects and communities

Why You'll Love Working at LumApps

We're proud to offer a work environment where people feel supported, valued, and empowered. Here's a peek at what we offer:

If you are based in France:

 Hybrid work model – 2 days at the office, 3 days remote

RTT days – ~10 extra days off per year

Meal vouchers (SWILE) + free snacks & coffee 

Yoga classes - Take a mindful break in our Paris office

Supportive parental leave and family moments — yes, even a Christmas party for your kids

 Health insurance (ALAN) – 60% covered + full life & disability cover

Afterworks, team celebrations & seasonal parties

Equipment of your choice

French & English lessons, professional development & access to Leeto CSE

If you are based in Poland:

Phone & Home Internet costs reimbursement up to 80 PLN/month

Private health care package with Luxmed – covered for you and partially for your partner / family

Cafeteria benefits – monthly budget to cover sport cards or other purchases

Creative Allowance – paid as 1000 PLN gross/month

Home office set-up reimbursement up to 1000 PLN

Personal Learning & Development Budget of 1500 USD/year

26 days of annual leave/year and 2 Mental Health days off per year

Benefits listed above are part of the compensation package for contract of employment.

We aim to celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage applications from candidates of all backgrounds, identities, and experiences.