Skills

Communication Teamwork Java NoSQL MySQL CI/CD DevOps Docker Version Control Problem-solving Architecture Linux Databases git Analytical Skills Microservices

Job Specifications

Call Service Developer - Level 2
Location: Ipswich, UK
Duration:3 moths rolling Inside IR35
About the Role:
We are seeking a skilled Call Service Developer to design, develop, and maintain telecom service applications leveraging Java and JAIN SLEE frameworks. The ideal candidate will possess a deep understanding of telecom protocols (preferably SIP) and have hands-on experience working with modern development, deployment, and version control tools.
This role is ideal for a developer passionate about building scalable, resilient, and high-performance telecom applications running in distributed environments.
Key Responsibilities:
Design, develop, and maintain call service applications using Java and JAIN SLEE frameworks.
Implement and integrate telecom protocols (eg, SIP) for Real Time communication services.
Collaborate with cross-functional teams (DevOps, QA, Architecture) to ensure seamless integration and deployment.
Optimize application performance and troubleshoot issues in Linux-based runtime environments.
Utilize Docker and Consul for containerization, service discovery, and microservices orchestration.
Work with MySQL and other data stores; make informed decisions on when to use RDBMS vs NoSQL databases.
Maintain high code quality standards using Git for version control and follow CI/CD best practices.
Participate in code reviews, architecture discussions, and contribute to continuous improvement initiatives.
Required Skills & Qualifications:
Strong expertise in Java, with hands-on experience in developing scalable applications.
Proven experience with JAIN SLEE framework and telecom application development.
Good understanding of telecom protocols, especially SIP.
Proficiency in Linux as a development and runtime environment.
Experience with Docker and Consul for containerized deployments.
Solid understanding of MySQL or similar relational databases, and general knowledge of data storage principles.
Hands-on experience with Git for source code management.
Strong problem-solving, debugging, and analytical skills.
Excellent communication and teamwork abilities.

About the Company

Flint Technology Services is where innovation meets ownership in the world of communications, bringing together the experience and resources that bring your projects to life. We specialise in sustainable flexible, scalable professional services talent that delivers high-quality business-critical outcomes to businesses in the IT and Telecoms sectors, Enterprise and Government including: - Business Transformation - Project Delivery - Managed Services - Staff Augmentation In February 2023, Flint Technology Services became an... Know more