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Senior Software Engineer - Backend at Aircall
Aircall was founded in 2014 and is now one of the fastest growing B2B SaaS companies in the world. Its main mission is to bring value to voice communications by focusing on user experience, collaboration and integration with other softwares. With $40 million in backing from Balderton, Draper Esprit, NextWorld Capital and eFounders and supported by the successes of our 5,000+ customers from Expensify, Pipedrive, Travelperk, Adore Me and Sendinblue, Aircall and its international team of 200 talented people is addressing a growing market of $50+ billion.
At Aircall, we are looking for engaged and passionate Software Engineers to join our growing Engineering Team. In the next few years, our technical challenge is to leverage fully decoupled architecture and microservices at scale with reliable, event-driven infrastructure behind the scenes.
Volume: Store, aggregate and compute 1M+ events/day today, 100M+ by next year
Live: Analyse and take live decisions based on 1M+ events/day
Modularity: Make our stack scale and increase squads' productivity by featuring microservices based on event-driven architecture
Uptime: Keep a 99.99% uptime while dealing with an exponential activity growth
We have built and successfully operated +8 microservices since 2019, and that's just the beginning. There are impacts and changes at all levels: architecture, infrastructure, software, organization, and business.
As we scale our stack, we are scaling our team. The engineering team is organized in Chapters, Tribes and Squads. These agile, autonomous, stable, and multidisciplinary squads focus on a specific business scope driven by customer-centric objectives and key results.
*Remoter Engagement:*
4 days minimum in Aircall Paris office / month (timezone CET)
2 weeks to 2 months onboarding onsite
Real & efficient Remote work setup
Autonomous, Reliable, Meet Deadlines
*Aircall Engagement:*
Provide the best setup for the whole team
Schedule, as much as possible, all the key team rituals (retro, demo, sprint planning, …)
Ensure Team Building events for every remote team/coworkers
Continual improvement process
Since 2019, we built and successfully operated +8 microservices, and it’s just the beginning. Impacts and changes are at all levels, architecture, infrastructure, software, organisation and business.
As we scale our stack, we are scaling our teams. Engineering team is organised by Chapter, Track and Feature Squad. Agile, autonomous, stable and pluridisciplinar squads are focused on a business scope driven by ambitious customer centric objectives and key results.
As a Senior Backend Engineer, you will design, develop, deploy, operate business critical features that add customer value on top of Voice. Best practices evangelisation and mentoring in your squad and across the whole Engineering Team will be part of your day to day job.
Quality, excellence and agility drive our delivery processes and you will help us level these up.Using mainly Ruby, Sinatra, MySQL, Redis, hosted on AWS, we are building added value, resilient services on top of voice and fully integrated with our other customers’ tools (CRM, Helpdesk, E-Commerce, …).
Please find more details about our stack here.

You might be a fit if:

    • You have significant experience in back-end development, whatever the language (Ruby, Java, Javascript, ...) with a focus on scalability, availability and performance
    • You can understand, even challenge front-end architecture
    • You are rigorous with code quality and other engineering best practices (testability, maintainability, design patterns)
    • Domain Driven Design, Clean Architecture, Test Driven Design and Continuous Integration/Deployment are the only way we design, develop and release software
    • You are pragmatic, data driven and you take initiatives to reach Business and Customer centric ambitious goals
    • You possess effective and proactive communication skills, and can deal with different profile and role of collaborators, from Junior to Senior, Tech to Business.
    • You used to work in Agile teams and look for continuous improvement
    • You led technically multiple teams, manage Debt and legacy code with business, tech risks mitigation
    • You invest your leadership technical expertise serving the team by mentoring Juniors and including other engineers in your decision making. Getting and giving constructive feedback is your most useful leadership tool.
    • You have experience in identifying, debugging and resolving complex production issues
    • You have at least an experience working remotely
We are looking for enthusiastic folks who are ready to innovate and make an impact for the better. Community, transparency, ambition and team work — these are the values by which we live, as individuals and as a team. We believe that success comes from hard work and deserves to be recognized and rewarded.
What we offer:
- A competitive environment where you can get responsibilities
- Sunny offices in the center of Paris with ping-pong table, free food/drinks, and regular team parties
- Immersion in the Parisian startup ecosystem, and an opportunity to work with some of the most promising startups
- Competitive package (health coverage, lunch, commute, sport)
- Yearly team offsite to exotic locations bringing together our Paris and NYC team

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