Base
Lead/Senior Backend Developer (Go)
Lisboa, Lisbon Metropolitan Area, Portugal
Entreprise:
Jobio
Client / Employeur:
Joom-group
Publié: 18.05.2026
Date de clôture: 02.07.2026
Référence du poste: dd107bfc7072281e7319d73ca0f6b51b
Informations sur le poste
Emplacement
Lisboa, Lisbon Metropolitan Area, Portugal
Entreprise
Jobio
Client / Employeur
Joom-group
Référence du poste
dd107bfc7072281e7319d73ca0f6b51b
Type d'annonce
Base
Permis de travail de l'UE requis
Non
Publié
18.05.2026
Date de clôture
02.07.2026
Description du poste
Joom is an international group of eCommerce companies founded in 2016 in Latvia. Joom currently includes the following businesses: Joom Marketplace, a platform for shopping from all over the world; Onfy, a pharmaceutical marketplace in Germany; JoomPro, a tech enabled turnkey solution for B2B importing goods from China, and Joom Pulse, data platform that provides analytics and recommendations for marketplace sellers. Joom’s offices are located in Latvia, China, Hong Kong, the USA, Germany, Brazil and Portugal. Joom Group has HQ in Lisbon, Portugal. We are currently looking for several senior backend developers for several teams: JoomPro, Logistics, Payments, Development and Marketplace Infrastructure. All teams primarily use the following tech stack: Go, MongoDB, AWS Responsibilities Come up with architectureProgram 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 environmentBe prepared for a constant increase of processed and stored data loads and volumesParticipate in new feature and product development discussions Requirements Confident knowledge of any of the programming languages: Go/Java/Kotlin/C ++/Python/ScalaComplex project development experienceExcellent algorithmic trainingExperience in development for Linux / Unix Preferred Experience in people management, leading and coaching others developersExperience with highloadExperience with MongoDBExperience with Kubernetes We are offering Flexible working hours and 22 days of paid annual leaveExtended health insurance for the employees and their families, including dental care coverage100% paid sick leavesPersonal development: professional events, workshops, English classes, corporate libraryDaily meal allowanceAnnual team retreats
Compétences
ABAP
adapt to changes in technological development plans
AJAX
Ajax Framework
analyse software specifications
Ansible
Apache Maven
Apache Tomcat
APL
ASP.NET
Assembly (computer programming)
blockchain openness
blockchain platforms
C
COBOL
CoffeeScript
collect customer feedback on applications
Common Lisp
computer programming
create flowchart diagram
cyber attack counter-measures
data visualisation software
debug software
defence standard procedures
define technical requirements
design user interface
develop automated migration methods
develop creative ideas
develop software prototype
do cloud refactoring
Drupal
Eclipse (integrated development environment software)
engineering principles
engineering processes
Erlang
Git
Groovy
Haskell
IBM WebSphere
ICT debugging tools
ICT security legislation
identify customer requirements
integrate system components
integrated development environment software
Internet of Things
interpret technical requirements
Java (computer programming)
JavaScript
JavaScript Framework
Jenkins (tools for software configuration management)
KDevelop
Laravel
Lisp
manage engineering project
Matlab
Microsoft Visual C++
migrate existing data
ML (computer programming)
MySQL
NoSQL
object-oriented modelling
Objective-C
OpenEdge Advanced Business Language
Oracle Application Development Framework
Pascal (computer programming)
perform scientific research
Perl
PHP
Project Management
Prolog (computer programming)
Puppet (tools for software configuration management)
Python (computer programming)
R
Ruby (computer programming)
Salt (tools for software configuration management)
SAP R3
SAS language
Scala
Scratch (computer programming)
screen reader
Smalltalk (computer programming)
smart contract
software anomalies
software frameworks
Spark
SQL
STAF
Swift (computer programming)
technical drawings
tools for software configuration management
Trading Software
TypeScript
use an application-specific interface
use automatic programming
use concurrent programming
use functional programming
use logic programming
use object-oriented programming
use query languages
use software design patterns
use software libraries
use technical drawing software
utilise computer-aided software engineering tools
utilise machine learning
VBScript
Visual Basic
Web Services
WordPress
World Wide Web Consortium standards
Xcode