Seeking a Lead Developer with strong Telecom core domain expertise across 2G/3G/4G/5G Core Networks, VoIP/VoWiFi, and Location Services (LCS). The role requires hands-on experience in C/C++ or Java development, deep understanding of 3GPP standards and telecom protocols, and expertise in Linux, databases, and cloud-native technologies. You will lead the design and delivery of scalable, carrier-grade telecom solutions.
ResponsibilitiesApplication Development – Designing, coding, and implementing software applications. Ensuring scalability, security, and performance of applications.
Working with cross-functional teams, including Architects, product managers, and QA Testers.
Creating technical documentation for code, processes, and applications, troubleshooting and resolving performance bottlenecks in applications.
Mentoring and supporting developers to foster a culture of continuous improvement.
Reviewing & Optimizing applications code quality and performance, participating in software architecture and design discussions, contributing ideas and solutions
Must Have Skills
- A Graduate / Post graduate in Engineering or equivalent with 10-15 Years of Telecom Software Application Development experience in C++/Java application development (any one is mandatory) with focus on Multithreading, Inter Process Communication (IPC), Client-server based communication model, SQL and NoSQL DBMS, Linux knowledge is a must.
- In-depth understanding of 2G/3G/4G/5G/VoIP/VoWi-fi network architecture, related call flows and protocols (SS7, Diameter, SIP protocols with understanding of messages involved in each these protocols)
- Good understanding of 3GPP (E-UTRAN, NG-RAN, IMS etc.), OMA, ATIS, NENA and related standards for Location Service (LCS), Cloud-native and traditional BareMetal, Virtualized solutions
- RestFul API designing (using HTTP and/or HTTP2).
- Good in-depth Knowledge of Linux particularly RHEL/Rocky Linux concepts including understanding and fine tuning of kernel parameters.
- Good working experience with container runtime like Docker/Podman and helm for k8s package management.
Good to Have Skills
- Knowledge of Location Services (LCS) positioning methods such as CID/ECID, TDOA, and AGNSS.
- Programming knowledge in Golang, Python, Lua, JavaScript, or Shell scripting.
- Exposure to DevOps practices, CI/CD pipelines, Jenkins, Ansible, and Agile software development methodologies.
Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.
Our recruitment process
We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.
If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.
The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.
Some of our benefits in India:
- Flexible and hybrid working arrangements to support work–life balance
- Health and well-being support – medical insurance for you and your family, health check-ups, life and accident insurance, well-being programs, and employee resource groups
- A minimum of 90 days of Maternity and Paternity Leave based on eligibility
- Personal Support Service 24/7 – a confidential support channel open to all Nokia employees and their families in challenging situations
- Career growth & mobility – technical career paths, job rotations, international assignments, and relocation support
- Continuous learning – technical certifications, mentoring programs, coaching, and digital learning platforms
- Opportunities to innovate and contribute through Nokia’s research and development environment
- Recognition programs that celebrate outstanding contributions
- Workplace support – ergonomic working support and mobile device programs based on eligibility
Skills Required
- Graduate or postgraduate degree in Engineering or equivalent
- 10–15 years of telecom software application development experience
- Hands-on C or C++ application development experience
- Hands-on Java application development experience
- Experience with multithreading and inter-process communication
- Experience with client-server communication models
- Experience with SQL and NoSQL database management systems
- Strong Linux knowledge
- Understanding of 2G, 3G, 4G, 5G, VoIP, and VoWiFi network architecture, call flows, and protocols
- Knowledge of SS7, Diameter, and SIP protocols and their messages
- Understanding of 3GPP, OMA, ATIS, and NENA standards
- Experience with cloud-native, bare-metal, and virtualized solutions
- Experience designing RESTful APIs using HTTP or HTTP/2
- Experience with RHEL or Rocky Linux concepts and kernel parameter tuning
- Experience with Docker or Podman
- Experience with Helm for Kubernetes package management
- Knowledge of Location Services positioning methods including CID/ECID, TDOA, and AGNSS
- Programming knowledge in Golang, Python, Lua, JavaScript, or shell scripting
- Exposure to DevOps, CI/CD, Jenkins, Ansible, and Agile methodologies
Nokia Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Nokia and has not been reviewed or approved by Nokia.
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Equity Value & Accessibility — Equity programs include a global employee share purchase plan with company matching and multi‑year share awards. These mechanisms broaden participation and tie rewards to long‑term outcomes.
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Healthcare Strength — Health coverage includes major medical plans with supplementary options such as vision, legal services, and care navigation. The range of offerings indicates comprehensive support for medical needs.
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Parental & Family Support — A global policy grants paid leave for new parents regardless of gender and provides structured return‑to‑work support. Company‑paid life insurance further strengthens family protection across regions.
Nokia Insights
What We Do
At Nokia, we create technology that helps the world act together. As a trusted partner for critical networks, we are committed to innovation and technology leadership across mobile, fixed and cloud networks. We create value with intellectual property and long-term research, led by the award-winning Nokia Bell Labs. Adhering to the highest standards of integrity and security, we help build the capabilities needed for a more productive, sustainable and inclusive world.
