Lead Developer

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Lead Developer

India(Hybrid)

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.

Your responsibilities

• Application 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

• Keeping up to date with emerging technologies, programming languages, and industry trends.

Your skills and experience

Must Have Skills

• A Graduate / Post graduate in Engineering or equivalent with 10+ years of software development experience with strong Telecom domain expertise in 2G/3G/4G/5G Core Networks, VoIP/VoWiFi, and related call flows/protocols.
• Hands-on development experience in C/C++ or Java with strong knowledge of Multithreading, IPC, and Client-Server architectures.
• Deep understanding of 3GPP standards (E-UTRAN, NG-RAN, IMS), SS7, Diameter, SIP, HTTP2, and Location Services (LCS).
• Expertise in Linux, SQL/NoSQL databases (MySQL, Redis, Cassandra), and Cloud-Native/Containerized environments.

Good to Have Skills

• Knowledge of Location Services (LCS) positioning methods such as CID/ECID, TDOA, and AGNSS.
• Experience with OpenStack, Red Hat OpenShift, Docker/Podman, Helm, and Kubernetes platforms.
• Programming knowledge in Golang, Python, Lua, JavaScript, or Shell scripting.
• Exposure to DevOps practices, CI/CD pipelines, Jenkins, Ansible, and Agile software development methodologies.

About Us

Advancing connectivity to secure a brighter world.

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.

Learn more about life at Nokia.

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.

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Job Info

• Job CategoryApplied R&D
• Posting Date07/10/2026
• Degree LevelBachelor’s degree
• Job ScheduleFull time
• Job TypeExperienced
• Job Identification36889
• Will NSA/CAPS approval be required? (E.g., accessing a US Customer Network?)Yes
• Role TypeIndividual contributor
• Experience levelExperienced
• LocationsNo. 23, Rajiv Gandhi Salai, Navalur, Chennai, Tamil Nadu, 600130, INSilver Oak, A Wing, Manyata Embassy Business Park, Bangalore, Karnataka, 560045, INB9, Green Boulevard, Sector 62, Noida, Uttar Pradesh, 201301, INTower A B, Cyber Green, DLF Cyber City, Gurgaon, Haryana, 122002, IN(Hybrid)
• Regular or TemporaryRegular

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At Nokia, we want every candidate to be able to perform their best. If you need any adjustments or support during the recruitment process, please let us know. All requests are treated confidentially.

AI Statement: Nokia embraces the strategic use of Artificial Intelligence (AI) within our recruiting process to enhance the candidate experience and significantly improve our operational efficiencies. By leveraging AI-powered tools, we aim to create a more responsive and equitable journey for all applicants. Concurrently, we advocate for the intelligent, ethical, and safe use of AI by candidates and applicants when preparing and submitting their applications for our roles. This includes ensuring that any AI-generated content is thoroughly reviewed for accuracy, originality, and relevance, and that its use aligns with principles of transparency and integrity. Our goal is to foster a recruitment environment that benefits from technological advancements while upholding fairness, authenticity, and human oversight.

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