Position: Senior FullStack Engineer (focus on back-end) for Cello
Company: UAtalents
Category: JavaScript
Experience required: 5y
English level: upper

**Why join**
- Unique growth opportunity: early-stage GrowthTech start-up backed by top-tier investors like ByFounders, TinyVC and operator angels from YouTube, Personio and McMakler (2.3M€ pre-seed)
- Shape & execute the roadmap of a product that went from inception to go-live with first customers within 8 months (Butter, Sastrify, Demodesk etc.)
- We onboard 15 new customers every single month
- Have the unique opportunity to apply everything you have learned to create the product development environment you would love to work in and would refer all your ex-colleagues to

**Tackle exciting tech challenges with us**
- Build a platform that is used by millions of users, ensuring high performance and data integrity
- Build a self-serve referral experience with us that SaaS users simply love
- Help us advance our state-of-the-art attribution model
- Build a recommendation and multi-sharing engine with us

**Your mission**
- Build and operate services in a production environment used by pioneering customers across the globe
- Manage the end-to-end development of our client-facing products to build scalable UI and services
- Collaborate cross-functionally to deliver on the broader product vision
- Ship fast and iterate to deliver value to our customers with a strong focus on quality
- Explore new methods and technologies to improve user experience and system performance, continuously improving and scaling in an Agile/DevOps environment
- Support recruitment for fast-growing engineering organization

**About you**
- 5+ years of relevant industry experience in full-stack development
- Previous experience working in a (early-stage) start-up
- Strong AWS skills
- Proficient in one or more modern front-end frameworks (e.g React, Angular)
- Proficient in server-side Javascript (NodeJS) or other backend languages
- Significant experience building scalable software systems with background in distributed systems, microservices and event-driven architectures
- Experience designing and operating services in cloud-deployed environments (we use AWS)
- Our stack is built on the following technologies and constantly evolving. Experience on these technologies and areas are a plus but not required:
    - Full-stack: ReactJS, NodeJS, Typescript, Nest.js
    - Cloud Web Services: AWS S3, Cloudfront, Lambda, Docker, Kinesis, DynamoDB, Redshift
    - Infrastructure as code: Terraform, Gitlab