Job Summary
As a Solution Architecture - Senior Specialist, you thrive on understanding and translating customer needs into fit-for-purpose cloud based architectural solutions that delight our customers. You apply deep technical expertise and experience in the Solution Architecture domain, to develop and/or lead the development of complex end-to-end architectural solutions for initiatives across multiple domains, ensuring they meet time, cost and quality standards. Your continuous learning and improvement mindset, collaboration and critical thinking skills are critical to success in this role.Role Overview
We are looking for an experienced Senior Developer with strong hands-on expertise in C/C++ and a solid understanding of telecom domain concepts (4G, 5G, IMS). The ideal candidate will have experience in developing and deploying telecom solutions in cloud-native environments, along with strong experience in MongoDB and modern deployment practices.
Key Responsibilities
Design, develop, and maintain high-performance applications using C/C++
Contribute to development and integration of 4G/5G core network and IMS solutions
Work closely with cross-functional teams to deliver scalable telecom solutions
Design and manage data persistence using MongoDB
Develop, test, and deploy applications in containerized (Docker/Kubernetes) environments
Participate in architecture discussions and provide technical design inputs
Ensure code quality, performance optimization, and adherence to best practices
Troubleshoot and resolve complex production issues
Mentor junior developers and contribute to knowledge sharing
Required Skills & Experience
Technical Skills
Strong hands-on experience in C/C++ programming
Good understanding of telecom protocols and concepts, including:
4G/LTE (EPC components, signaling flows)
5G Core (AMF, SMF, UPF, etc.)
IMS (VoLTE/VoNR basics)
Development experience in:
4G development
5G development
IMS-related applications
Hands-on experience with:
MongoDB (mandatory) – data modeling, indexing, performance tuning
Docker, Kubernetes, containerization
CI/CD deployment pipelines
Solid understanding of:
Cloud platforms (AWS/Azure/GCP or private cloud)
Microservices architecture and distributed systems
Familiarity with Open5GS / IMS Kamalio / OAI / telecom open-source frameworks
Experience
8–12 years of relevant experience in software development
Proven experience in telecom product development or system integration
Preferred Skills (Good to Have)
Knowledge of GoLang / Python
Experience with REST/gRPC APIs
Exposure to Kafka / event-driven architectures
Understanding of network protocols (TCP/IP, SCTP, Diameter, HTTP/2)
Key Competencies
Strong problem-solving and analytical skills
Ability to work in a fast-paced, collaborative environment
Ownership and accountability for deliverables
Strong communication and stakeholder management skills
What We Offer
Flex appeal: choose where, when and how you work
Performance-related pay
Access to thousands of learning programs so you can level-up
Global presence across 22 countries; opportunities to work where we do business.
Up to 26 weeks maternity leave provided to the birth mother with benefits for all child births
Employees are entitled to 12 paid holidays per calendar year
Eligible employees are entitled to 12 days of paid sick / casual leave per calendar year
Relocation support options across India, from junior to senior positions within the company
Receive insurance benefits such as medical, accidental and life insurances
If you are looking to take the next step in your career, we want to hear from you!
When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and abilities because we know that diversity not only strengthens our team but also enriches our work. We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive.
We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process.
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Bengaluru, Karnataka, India
Onsite