We're looking for a Senior Full Stack Engineer for a smart advertising solution that is used by Nestle, Adidas, Uber, Virgin, HSBC and helps to make ads more efficient, more relevant & less intrusive. If you'd like to work with real BigData, AI/ML, and other cutting edge technologies, join us!

You will be a great fit for our team if you have:

— At least 4 years of professional experience in Software Development
— Good troubleshooting and problem-solving skills
— Experience in applying SOLID principles, Clean Architecture, design patterns
— Deep knowledge of Javascript and Typescript
— Solid practical experience with Node.js and its ecosystem
— Hands-on experience with React, Redux, MobX
— Good theoretical knowledge and practical experience with at least one of the following DBs: MongoDB/PostgreSQL/MySQL
— Hands-on experience with any mainstream messaging solution (RabbitMQ, SQS, NATS, Google Pub/Sub)
— Hands-on experience with any modern CI/CD solution (Gitlab, Argo, Jenkins, Bitbucket Pipelines)
— Good understanding of container-based workflow, experience with Docker & Kubernetes
— Good spoken and written English

Bonus points if you:

— Have experience in architecting and building complex features spanning multiple services and UI components

We offer:

— Unlimited WFH and flexible working hours
— Highly skilled & friendly team with an excellent work ethic
— Paid vacation and sick-period
— Long term employment
— Covering costs of professional events and English lessons
— Trips to London (optional)
— Opportunity to choose the equipment you like (MacBooks)
— Various snacks, fresh fruits, nuts in the office that’s open 24/7 (in case you’d like to hit up)
— Zero bureaucracy and other bullshit


Your goal will be to ensure that features, that you will be working on with the team, are built with high quality and in an efficient way.

— You’ll be working together with the project team on building & designing new features and ensuring their smooth integration into the solution.
— You’ll be actively communicating with the product team on the feature requirements.
— You’ll be transforming product requirements into reliable, scalable and maintainable solution.

About project

Client: Successful British ad-tech company with big global clients including Virgin, Nestle, Adidas, J&J, Uber, Nissan, Shell, HSBC.

Project: The product we are building is an AI-powered SaaS platform for managing marketing campaigns and generating promotional visuals (mainly digital ads), that is used by global top brands.
Building technology for smart advertising solutions is one of the biggest modern challenges that currently exist. Making ads to be more efficient, more relevant & less intrusive will benefit both advertisers and users. By collecting and analyzing (big) data on user reaction to the creatives, the platform learns & provides the most relevant creatives for each user segment (audience).

Tech stack: Node.js, Express.js, React.js, Redux, Rematch, Typescript, Python, Java, RabbitMQ, MongoDB, ClickHouse OLAP DBMS, Redis (cache), Elasticsearch, AWS, Docker, Kubernetes

About Xenoss

Xenoss is software development lab focused on building data-driven solution for marketing and advertising industry.

We build audience statistics trackers, user behaviour prediction systems, user journey optimization solutions, DMP/DSP/SSP systems, location data processing systems, email automation systems, segment builders, etc.

We work with really big data. We store, process, transform, and search on tons of fuzzy structured data sets using NoSQL, in-memory storages, Hadoop, distributed storing, complex data sharding, replication algorithms, etc.

We face with strong algorithmic challenges, like tree and graph processing, search algorithms, multidimensional optimization tasks, machine learning algorithms etc.

Our clients are top marketing and advertising agencies, AdTech vendors, MarTech SaaS companies, banks, mobile carriers. The software we delivered is now the tech basis of multi-billion businesses.

We passionate about efficient and reliable software.

Company website:

DOU company page:

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