Senior Java Developer

Alexander Lyons Solutions; Dubai; On-site; AED 240,000 - 360,000; Full time

Job summary

Alexander Lyons Solutions is seeking an experienced Backend Developer with a telecoms background to design, build and run high-volume data services in a production environment. You will own end-to-end features from conception to reliable operation.

You’ll design services for large data volumes, work with telecoms signalling and media traffic, and ship clean, well-tested code within a peer-review culture, collaborating with cross-functional teams and customers.

Qualifications

• 5+ years of professional software development experience.
• Java (8+) as primary language.
• Telecoms experience with hands-on knowledge of 3GPP standards and SIP/RTP protocols.
• Solid experience across relational (SQL) and NoSQL databases.
• Proven track record building distributed, microservice-based and event-driven systems.
• Strong grasp of architecture, design patterns and trade-offs.
• Hands-on Docker, Linux and command-line proficiency.
• Observability experience with Prometheus and Grafana.
• Understanding of Mechanical Sympathy and working knowledge of low-level network programming.

Responsibilities

• Design and build services that process and store large volumes of data, including telecoms signalling and media traffic, choosing the right storage technology for each job
• Maintain and improve existing services for performance, stability and data integrity
• Troubleshoot production issues across code, infrastructure, networks and databases
• Write clean, well-tested, maintainable code within a peer-review culture
• Work closely with cross-functional teams, customers and end users

Skills

Java

Telecoms experience (3GPP, SIP/RTP)

SQL & NoSQL databases

Distributed microservices

Architecture & design patterns

Low-level network programming

Code quality & peer review

Tools

Docker

Kubernetes

Linux

Prometheus

Grafana

Spring Boot

Kafka

RabbitMQ

NSQ

ActiveMQ

MongoDB

Elasticsearch

Spark

Iceberg

S3 storage

Ansible

Python

Job description

Our client, a software vendor in the security space, is seeking an experienced Backend Developer with a telecoms background to design, build and run high-volume data services. This is an end-to-end ownership role: you’ll shape new features alongside users, ship them in short iterations, and keep them running reliably in production.

What you’ll do

• Design and build services that process and store large volumes of data, including telecoms signalling and media traffic, choosing the right storage technology for each job
• Maintain and improve existing services for performance, stability and data integrity
• Troubleshoot production issues across code, infrastructure, networks and databases
• Write clean, well-tested, maintainable code within a peer-review culture
• Work closely with cross-functional teams, customers and end users

What you’ll bring

• 5+ years’ professional software development, with Java (8+) as your primary language
• Telecoms experience, with hands-on knowledge of 3GPP standards and SIP/RTP protocols
• Solid experience across relational (SQL) and NoSQL databases
• Proven track record building distributed, microservice-based and event-driven systems
• Strong grasp of architecture, design patterns and trade-offs
• Hands-on Docker, Linux and command-line proficiency
• Observability experience with Prometheus and Grafana
• Understanding of Mechanical Sympathy and working knowledge of low-level network programming

Nice to have: IMS, VoLTE/VoNR, Diameter or SS7 exposure; Spring Boot; Kafka, RabbitMQ, NSQ or ActiveMQ; MongoDB and Elasticsearch; Spark, Iceberg or data warehouse design; S3-style object storage; Ansible and Kubernetes; Python.