Senior Backend Engineer (Typescript)

Founded in 2022 by Jean-Louis Queguiner (ex-OVHCloud) and Jonathan Soto (ex-MIT/Sigfox), Gladia builds best-in-class speech AI tools that empower businesses to deliver faster, more accurate, and innovative communication solutions worldwide.

Headquartered in vibrant tech hubs like Paris and New York City, Gladia is leading the charge in speech AI innovation. In under two years, we’ve grown exponentially, now serving over 150,000 users and 700 enterprise clients—including industry leaders like Attention, Circleback, Method Financial, Aircall and VEED.IO.

Our API supports advanced speech recognition and analysis in over 100 languages, setting a new standard for speed and accuracy across customer support solutions, voice agents, meeting assistants, and more.

Backed by world-class investors like Sequoia Capital, New Wave, and XAnge, we recently raised $16M in Series A funding—bringing our total funding to $20.3M. This investment powers our mission to build the ultimate AI audio infrastructure for leading platforms across the globe.

At Gladia, we tackle ambitious technical challenges to support rapid growth, scaling from 500 hours to 3 million hours of transcription. As pioneers in speech-to-text technology, we’ve developed a Real-time Transcription API delivering batch-level quality with <300 ms latency across 100+ languages.

Joining as a Senior Backend Engineer (Typescript) means working on a cutting-edge platform in a team of 10 Senior Engineers, optimizing scalability and directly contributing to innovative AI solutions with real impact on production. You’ll develop and maintain our product as well as optimize our current platform (code, test, scalability, stability, monitoring).

• You will create, develop and maintain the whole technical stack

• API component architecture design & development

• Build new product features from start to finish through conception, research, documentation, maintenance, and polish

• Tackle technical problems to guarantee the best level of performance

• Improve performance, reliability and observability on our product
  

• TypeScript - NestJS

• Kubernetes with k0s

• PSQL, Redis, RabbitMQ

• Prometheus, Grafana

• With at least +6 years of experience on a product experiencing rapid growth, your work is well-crafted and well-tested for scale

• You have a solid experience in Typescript

• Involved with CI/CD processes (GitHub Actions)

• Knowledge of at least PostgreSQL, Redis, RabbitMQ

• Testing tools have no secrets for you, regardless of the environment you’re working on

• Interest in clean code, software craftsmanship, performance, scalability and security

• Want to learn and experiment
  

• Proactive, agile, autonomous, tenacious, pragmatic, benevolent and curious

• You think before you code

• You solve problems in a collaborative way

• You ensure high-quality code and test standards

• You’re not afraid to try new things

• Willing to work remotely with regular trips to meet with the team

• Previous experience in real-time or performance-oriented topics

• Previous experience in audio/ video streams

• Previous experience or knowledge on AI-related topics or Python
  

• The compensation offered is based on seniority and experience, and would typically range from €50K to €70K in base salary + BSPCE.

• Full remote policy in France

• Team gatherings: twice a year in our beautiful Paris office (Sentier) and regular team off sites

• For employees living outside Paris: budget to cover travels in Paris up to 3 times a year (outside company events)

• Lunch vouchers (approx. 200€/month)

• An allowance of 360 euros/year for your sports activities

• An allowance of 300 euros for the adaptation of your workstation

• A health insurance (100% coverage) and a pension contract with Alan Blue for you & your family

• Unlimited vacation policy

• Please submit your application in English. It’s our company language so you’ll be speaking lots of it if you join.

• We treat all candidates equally - if you’re interested please apply through our careers portal.