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Mercaux

Senior/Middle Backend Developer

в Mercaux

от 300 000 ₽/мес на руки

📍 Сербия (Белград)Ереван (Армения)Барселона (Испания)Помощь с переездом
Специализация
Java
Уровень
Senior
Английский
B2 — Upper-IntermediateB2 — Upper-Intermediate
Команда
1 - 5 человек

Mercaux is an in-store B2B SaaS Platform that aims to transform offline retail and help traditional retailers smoothly transition into the digital era. Founded by Harvard Business School alumni and ex-Yandex tech team, Mercaux’s products are live in 40 countries including the UK, Italy, Spain, US, Canada, and Thailand.

Mercaux’s Next Generation Platform comprises of In-Store Experience, Universal Basket and Next Generation Checkout layers, to help retailers provide customers with a frictionless omnichannel shopping experience. The solutions are operated by Sales Associates using the Mercaux App via a tablet or iPhone-based device, or self-served by customers using their own phones (via a web-based App) or touch screen kiosks/Digital Fitting Rooms. All the solutions are managed by a SaaS HQ Platform.

Retailers such as Stadium Goods & Springfield typically see a sales uplift in-store and 5x ROI, in a matter of months. Mercaux is a member of the MACH Alliance — an independent organization on a mission to future-proof enterprise technology and to propel current and future digital experiences with open and connected enterprise tech. Mercaux has an international team in multiple offices — London, Barcelona, and New York.

At Mercaux, our backend is a collection of cloud-based RESTful API services built on the reliable Java (and a tiny bit of Kotlin) + Spring + Hibernate stack. One standout feature for us is our multi-tenancy approach, where all Mercaux clients coexist within a single infrastructure.

As a result, our backend needs to effectively manage data and permissions across users and roles, while maintaining ISO 27001 and PCI compliance. These services play a crucial role in our ETL system and are utilized by our iOS, Android, and Web applications. Check out more details about our architecture here.

From a business perspective, these services handle user authentication, rights management, data storage and retrieval, message forwarding through the Twilio API, integration with OMS, and much more. We're seeking a skilled backend developer who can help scale out our platform's core (e.g., preparing for potential sharding) and drive the development of new business scenarios (e.g., enhancing POS functionality).

We are looking for candidates who have already relocated from Russia/Belarus.

Stack

JavaSpringKotlinHibernateAWSPostgreSQL

Responsibilities

  • Developing and maintaining a suite of AWS-based services (with potential expansion to Azure in the future).
  • Enhancing scalability and identifying performance bottlenecks.
  • Building the foundation for advanced analytics using statistical and machine learning techniques.
  • Collaborating closely on optimising memory and CPU utilisation, as well as fine-tuning complex SQL queries.

Expectations

  • You've worked with similar infrastructure: Linux, PostgreSQL, AWS (SQS, SNS, S3, CloudFront).
  • You possess solid Java skills: Hibernate, Spring, Spring Boot.
  • You're well-versed in SQL: optimising complex queries, memory and CPU usage, etc.
  • You're experienced with development tools: CI/CD deployment (TeamCity), Bash, Gitflow.
  • You have familiarity or hands-on experience with: AWS ECS, EC2, ASG, RDS, Lambda, Docker, Load testing (JMeter).
  • You can effectively communicate in English for work purposes, especially in written form.

What we offer

  • International, diverse, and dynamic team.
  • Opportunity to create something new, and to transform the retail industry.
  • Learning & Development Allowance (upon probation).
  • Competitive salary & Bonus scheme (subject to performance).
  • Health Insurance (upon probation).
  • Opportunity to participate in the Options scheme (upon probation).
  • Paid time-off + applicable local public holidays.
  • Trips to Mercaux offices.
  • Relocation allowance + legal support (if relevant; upon probation).
  • Hybrid workplace (with the office in Barcelona, Serbia or Armenia).
Арина Шмеркович Talent Partner
Mercaux

О компании Mercaux

Сфера
Продуктовая компания
Инвестиции
$5-10М
Размер
51 - 100

Mercaux is an in-store B2B SaaS Platform that aims to transform offline retail and help traditional retailers smoothly transition into the digital era. Founded by Harvard Business School alumni and ex-Yandex tech team, Mercaux’s products are live in 40 countries including the UK, Italy, Spain, US, Canada, and Thailand.

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