Senior Backend Developer (Go)

Joom is a global cross-border marketplace where millions can find anything they want at fair prices. Joom helps consumers to make shopping easy and entertaining and provides access to interesting and unique goods from around the world.

Joom is one of the key businesses of Joom Group, an international group of tech-centric group of e-commerce companies founded in 2016 in Latvia. Joom also includes other businesses: JoomPro, the first and only end-to-end cross-border B2B marketplace; JoomPulse, an AI analytics tool for Mercado Livre sellers; and Onfy, a pharmaceutical marketplace in Germany. Joom Group has offices in Latvia, China, Germany, and Brazil, with its headquarters in Lisbon, Portugal. We work as one international team, sharing knowledge and collaborating across countries, businesses and products.

We are currently looking for Backend Developers to join our teams:

Infrastructure team: this team is responsible for ensuring the stable, high-performance, and fault-tolerant operation of backend services. Tech stack: Go, MongoDB, Cassandra, Redis, Kafka, Jenkins, Kubernetes, Ansible, Terraform

Client team: this team is responsible for handling all API requests coming from our mobile applications and the Joom web client. Tech stack: Go, MongoDB, Redis, Casandra, Kafka, Spark (Scala, SQL), Docker, Kubernetes, Grafana, Prometheus

Merchant Development: this team is responsible for the B2B part of our project (developing the seller dashboard and APIs for our merchants). Tech stack: Go, MongoDB, Elastic, Redis, ClickHouse, Kafka, Spark (Scala, SQL)

Responsibilities

Come up with architecture

Program in Go (Go is not a must for us; it is more important for a successful candidate to have solid algorithm skills, fundamental technical knowledge, and great coding skills in general)

Provide fault tolerance for coded services in an AWS environment

Be prepared for a constant increase of processed and stored data loads and volumes

Participate in new feature and product development discussions

Requirements

Confident knowledge of any of the programming languages: Go/Java/Kotlin/C++/Python/Scala

Complex project development experience

Excellent algorithmic training

Experience in development for Linux / Unix

Preferred

Experience with highload

Experience with MongoDB

Experience with Kubernetes

We offer

Compensation package: base salary and performance-based bonuses

Office-first: flexible hours with a possibility to work remotely 52 days per year

Care & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave

Relocation Support: full assistance for a smooth relocation for the employees and their family

Team & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English & Portuguese courses

Community & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work

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