Βασικό
Senior Backend Developer
Δημοσιεύτηκε: 22.05.2026
Καταληκτική ημερομηνία: 06.07.2026
Αναφορά εργασίας: 04dc0538a80d3c2c5a42db2939d9b5a0
Πληροφορίες εργασίας
Τοποθεσία
Lisboa, Lisbon Metropolitan Area, Portugal
Εταιρεία
Jobio
Πελάτης / Εργοδότης
Nexxiot
Αναφορά εργασίας
04dc0538a80d3c2c5a42db2939d9b5a0
Τύπος καταχώρησης
Βασικό
Απαιτείται άδεια εργασίας της ΕΕ
Όχι
Δημοσιεύτηκε
22.05.2026
Καταληκτική ημερομηνία
06.07.2026
Περιγραφή καθηκόντων
Nexxiot is digitalizing freight asset management with technology that now oversees the world’s most extensive network of connected intermodal containers and railcars.Clients gain access to unparalleled real-time data, which streamlines fleet management and automates logistics processes. Nexxiot devices, built for resilience, withstand extreme conditions and provide long-term, detailed insights into cargo events, including impacts, delays, safety and security incidents, and loading activities.Based in Zurich, Switzerland, Nexxiot’s influence extends globally. Our team, comprised of industry experts, operates from offices in Europe and North America and maintains a presence in a majority of depots, ports, and rail yards.To learn more about how Nexxiot is leading the value generation for the rail industry, please visit www.nexxiot.com.The RoleWe are an IoT startup turning massive-scale, low-power device data into real-world impact. With a fleet of more than one million connected devices, we generate high-volume telemetry every day. We are looking for a passionate Backend Developer to help enrich, transform and distribute this data in a flexible hybrid setup combining remote and in-office work from our new office in the center of Porto.You will join an interdisciplinary agile product team and contribute to the design, implementation and operation of distributed backend services. Together with your team, you will build reliable, scalable systems that process large volumes of device data and power customer-facing products.We are looking for someone curious, pragmatic and collaborative who enjoys solving complex problems, automating repetitive tasks, and continuously improving how the team works.Your responsibilitiesDesign and implement backend services, including tests and technical documentationDeploy and operate services using CI/CD best practicesTake end-to-end ownership across the full lifecycle: design, implementation, testing, deployment and operationsMonitor services and data streams and respond to anomaliesProvide 3rd-level support and ensure service availability during business hoursReview merge requests and design documents from teammatesParticipate in agile software development activities (e.g. planning meetings, reviews, retrospectives…)Requirements5+ years of professional software development experienceStrong experience with Kotlin or JavaSolid knowledge of backend architecture, distributed systems and API designExperience with SQL (PostgreSQL) and/or NoSQL (DynamoDB)Familiarity with messaging systems (Kafka, SQS, SNS)Experience building and operating containerized services (Docker, Kubernetes, ECS or Fargate)Solid understanding of software testing (TDD is encouraged but not mandatory)Curious and never afraid of learning to master new tools, technologies, and methodologiesFluent in EnglishNice to have:Geospatial data experienceGradle knowledgeLinux / Unix shell skillsWork authorization: Applicants must be legally authorized to work in Portugal. Unfortunately, we are not able to sponsor visas for this role.Our Backend StackKotlin / Java Apache Kafka SQS DynamoDB CockroachDBGradleDockerKubernetes
Δεξιότητες
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