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 Senior Backend Developers to join our teams:
- Infrastructure team: this teamis 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, иногда Spark (Scala, SQL), Docker, Kubernetes, Grafana, Prometheus
- Marketing Automation: this team responsible for automating marketing and optimizing its effectiveness. We are responsible for both external marketing (advertising purchases) and internal marketing (direct communications via push notifications/emails). We provide the infrastructure and tools for effective marketing. Tech stack: Go, MongoDB, Cassandra, Kafka. We also occasionally work with the frontend or data stack. Experience or interest in working with the data stack (e.g., Spark) is a plus.
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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