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Lead Developer & Architect – IP Camera

Thinkpalm Technologies Pvt.Ltd

Posted

  • On-site
  • Kochi

Job description

JOBWAVE VERIFIED

Lead Developer & Architect – IP Camera

Company: ThinkPalm Technologies Pvt. Ltd. Location: Not specified Experience: 8+ Years Education: Not specified Work Mode: Not specified Employment Type: Not specified Notice Period: Immediate to 30 Days Core Domain: IP Cameras / Embedded Video / Real-Time Streaming Primary Languages: C / C++ OS / Platform: Embedded Linux Video: H.264, H.265, RTSP/RTP, WebRTC Networking: TCP/UDP, P2P, NAT Traversal, ICE, STUN, TURN Camera Technologies: Sensors, ISP, Hardware Encoders, SoC Multimedia Architecture: High-Performance / Real-Time Embedded Systems AI: Video Event Detection & Analytics Preferred Technologies: GStreamer, FFmpeg, V4L2, libcamera, ONVIF, MQTT, Embedded AI/NPUs Salary: Not specified

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JOBWAVE INSIGHTS

Who is this for?

This is a highly specialized senior technical leadership role for an engineer with deep experience in C/C++, embedded Linux, IP cameras, real-time video processing, networking, and low-latency streaming.

This is not a general software architect role. The strongest candidates will have hands-on experience building camera or video-streaming systems, ideally involving P2P connectivity and remote camera access.

The role combines architecture + hands-on development + technical leadership.

Key Skills

  • C/C++
  • Embedded Linux
  • IP camera architecture
  • Real-time video pipelines
  • Video encoding/decoding
  • H.264 / H.265
  • RTSP / RTP
  • WebRTC
  • Low-latency streaming
  • UDP / TCP
  • P2P connectivity
  • NAT traversal
  • ICE / STUN / TURN
  • Multithreading
  • Hardware video encoders
  • Camera sensors / ISP
  • SoC multimedia
  • System architecture
  • Performance optimization
  • Debugging
  • Technical leadership

Priority Skills

Highest Priority

  1. Strong C/C++ hands-on development
  2. Deep embedded Linux experience
  3. Real-time video streaming
  4. H.264/H.265 encoding and decoding
  5. Ultra-low-latency optimization
  6. P2P / NAT traversal
  7. ICE, STUN, TURN
  8. IP camera architecture
  9. Multithreaded embedded systems
  10. System architecture & technical leadership

Strong Advantages

  • GStreamer
  • FFmpeg
  • V4L2
  • libcamera
  • WebRTC
  • RTSP/RTP
  • ONVIF
  • Camera SoCs
  • Embedded AI / NPUs
  • Object detection
  • MQTT
  • Cloud-connected cameras

What to Prepare

  • Advanced C/C++
  • Embedded Linux
  • Linux debugging
  • Multithreading and synchronization
  • Video codecs
  • H.264/H.265
  • GOP and bitrate control
  • Buffering and latency
  • RTP/RTSP
  • WebRTC
  • UDP/TCP
  • NAT traversal
  • ICE/STUN/TURN
  • P2P architecture
  • Camera sensors and ISP
  • Hardware encoders
  • SoC multimedia pipelines
  • GStreamer/FFmpeg
  • System architecture
  • Real-time performance optimization

What to Focus On

1. Real-Time Video Streaming

This is likely the core technical area of the role. Be able to explain the complete video path:

Camera Sensor → ISP → Capture → Encoding → Packetization → Network → Decoding → Playback

Understand where latency can be introduced and how to minimize it.

2. Low-Latency Optimization

Prepare practical techniques for reducing end-to-end latency, including encoder configuration, GOP structure, buffering, packetization, network transport, decoder behavior, and rendering.

3. P2P & NAT Traversal

This is one of the strongest signals in the job description. You should understand how two devices behind different NATs establish a connection using ICE, STUN, and TURN, including when relay infrastructure becomes necessary.

4. Embedded Linux

Expect deep questions around Linux processes, threads, IPC, memory, networking, device interfaces, debugging, cross-compilation, and resource-constrained systems.

5. Camera Architecture

Prepare the architecture of an IP camera, including sensors, ISP, encoders, SoC multimedia blocks, storage, networking, streaming, cloud connectivity, and remote access.

6. Architecture & Leadership

At 8+ years, the interviewer will likely evaluate how you make architectural decisions—not just whether you can implement code.

Be prepared to explain trade-offs involving latency, bandwidth, CPU, memory, reliability, scalability, security, and hardware limitations.

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JOB DETAILS

Original Role Information

Role Overview

ThinkPalm Technologies is looking for a Lead Developer & Software Architect to lead the architecture and development of a next-generation IP camera platform.

The position combines hands-on C/C++ development, embedded Linux engineering, real-time video processing, networking, low-latency streaming, P2P connectivity, and technical leadership.

Responsibilities

System Architecture

  • Define the software architecture for the IP camera platform
  • Make technical architecture decisions
  • Lead architecture reviews
  • Design scalable and high-performance embedded systems

Embedded Development

  • Lead development of embedded Linux camera software
  • Develop high-performance software using C/C++
  • Work with embedded hardware and SoC capabilities
  • Optimize resource-constrained systems

Video Pipeline

  • Design video capture pipelines
  • Implement video encoding and decoding
  • Develop real-time streaming
  • Optimize playback
  • Improve end-to-end latency
  • Optimize bitrate and buffering

Streaming & Connectivity

  • Implement extremely low-latency streaming
  • Enable fast remote connection establishment
  • Design P2P connectivity
  • Implement NAT traversal
  • Work with ICE, STUN, TURN, signaling, and relay mechanisms

Video Technologies

  • H.264
  • H.265
  • RTSP
  • RTP
  • WebRTC
  • Proprietary streaming protocols

Camera & Hardware Integration

  • Integrate camera sensors
  • Work with ISP pipelines
  • Integrate hardware video encoders
  • Work with SoC multimedia capabilities
  • Optimize hardware/software interaction

AI Integration

  • Integrate AI-based video event detection
  • Support video analytics
  • Work with embedded AI/NPUs where applicable

Technical Leadership

  • Conduct architecture reviews
  • Conduct code reviews
  • Make technical decisions
  • Mentor developers
  • Collaborate with Hardware teams
  • Work with Cloud, Mobile, AI, and Product teams

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REQUIREMENTS

Programming

  • Strong C
  • Strong C++
  • Hands-on development experience

Embedded

  • Embedded Linux
  • Multithreading
  • High-performance embedded systems
  • Linux-based camera software

Video

  • Video encoding/decoding
  • H.264
  • H.265
  • GOP structure
  • Bitrate management
  • Buffering
  • Latency optimization
  • Real-time streaming

Networking

  • TCP
  • UDP
  • NAT traversal
  • P2P
  • ICE
  • STUN
  • TURN
  • Signaling
  • Relay mechanisms

Camera Technology

  • Camera sensors
  • ISP pipelines
  • Hardware video encoders
  • Camera SoCs
  • IP camera architecture

Architecture

  • System architecture
  • Performance optimization
  • Debugging
  • Technical decision-making
  • Architecture reviews
  • Code reviews

Leadership

  • Developer mentoring
  • Cross-functional collaboration
  • Technical ownership

Preferred

  • GStreamer
  • FFmpeg
  • V4L2
  • libcamera
  • ONVIF
  • Embedded AI / NPUs
  • Object detection
  • MQTT
  • Cloud-connected cameras

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QUALIFICATIONS

  • 8+ years of relevant engineering experience
  • Strong C/C++ development
  • Strong embedded Linux background
  • Deep real-time video knowledge
  • Experience with video encoding/decoding
  • Strong networking fundamentals
  • Experience with low-latency video systems
  • Experience with P2P/NAT traversal technologies
  • Understanding of IP camera architecture
  • Multithreaded embedded development
  • Strong debugging and system architecture skills
  • Technical leadership experience
  • Ability to mentor developers
  • Ability to collaborate across Hardware, Cloud, Mobile, AI, and Product teams

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POTENTIAL GAPS TO CHECK

  • C/C++ depth: This is a core requirement; general software development experience will not compensate for weak C/C++.
  • Embedded Linux: Desktop/server Linux experience alone may not be enough.
  • Video streaming: You should have practical experience rather than only theoretical codec knowledge.
  • H.264/H.265: Prepare detailed understanding of encoding parameters, GOP, bitrate, buffering, and latency.
  • P2P/NAT traversal: ICE/STUN/TURN is a significant differentiator for this role.
  • Camera experience: Direct IP camera/sensor/ISP/SoC experience would strongly strengthen your profile.
  • WebRTC: Experience is valuable for modern low-latency streaming systems.
  • Hardware integration: Lack of experience with camera SoCs or hardware encoders could be a meaningful gap.
  • GStreamer/FFmpeg: These are listed as advantages, so absence is less critical than the core requirements.
  • AI video analytics: Useful bonus, particularly for smart-camera platforms.
  • Architecture leadership: Prepare concrete examples of architecture decisions and technical ownership.

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INTERVIEW PREPARATION

Phase 1 — Advanced C/C++

  • Pointers and memory management
  • RAII
  • Smart pointers
  • Templates
  • STL
  • Move semantics
  • Multithreading
  • Mutexes
  • Condition variables
  • Atomics
  • Memory synchronization
  • Performance optimization
  • C/C++ debugging

Phase 2 — Embedded Linux

  • Processes and threads
  • IPC
  • Signals
  • Linux networking
  • Memory management
  • File descriptors
  • Device interfaces
  • Cross-compilation
  • Linux debugging
  • CPU/memory profiling
  • Embedded resource constraints

Phase 3 — Video Processing

  • Video pipeline architecture
  • H.264
  • H.265
  • I/P/B frames
  • GOP structure
  • Bitrate
  • Keyframes
  • Encoding profiles
  • Hardware vs software encoding
  • Decoding
  • Buffering
  • Frame drops
  • End-to-end latency

Phase 4 — Streaming Protocols

  • RTP
  • RTSP
  • WebRTC
  • UDP vs TCP
  • Packet loss
  • Jitter
  • Jitter buffers
  • Adaptive bitrate concepts
  • Signaling
  • Real-time streaming architecture

Phase 5 — P2P & Networking

  • NAT types
  • NAT traversal
  • STUN
  • TURN
  • ICE
  • Candidate gathering
  • Connectivity checks
  • P2P connection establishment
  • Relay fallback
  • UDP hole punching
  • Connection establishment latency

Phase 6 — Camera & Hardware

  • Camera sensor pipeline
  • ISP
  • Image processing
  • V4L2
  • libcamera
  • Hardware encoders
  • SoC multimedia blocks
  • Camera drivers
  • GStreamer
  • FFmpeg
  • ONVIF

Phase 7 — AI & Cloud Connectivity

  • Edge AI
  • NPU concepts
  • Object detection
  • Video event detection
  • MQTT
  • Cloud-connected camera architecture
  • Edge vs cloud processing
  • Bandwidth optimization

Phase 8 — Architecture & Leadership

Prepare real examples covering:

  • Designing an IP camera architecture
  • Reducing video latency
  • Solving a difficult streaming problem
  • Debugging a production camera issue
  • Optimizing CPU/memory usage
  • Designing P2P connectivity
  • Making hardware/software trade-offs
  • Leading an architecture review
  • Handling technical disagreements
  • Mentoring engineers
  • Coordinating Hardware, Cloud, Mobile, AI, and Product teams

Final Interview Focus

Be ready for questions such as:

  • How would you architect an end-to-end IP camera platform?
  • How would you achieve sub-second or ultra-low-latency remote video streaming?
  • Explain the complete H.264/H.265 streaming pipeline.
  • What is GOP structure and how does it affect latency?
  • How would you reduce video latency without significantly increasing bandwidth?
  • RTSP vs WebRTC — when would you use each?
  • Explain ICE, STUN, and TURN and how they work together.
  • How would two cameras establish P2P connectivity when both are behind NAT?
  • When would you use a TURN relay?
  • How would you troubleshoot intermittent video freezes?
  • How would you diagnose dropped frames in an embedded camera?
  • How would you optimize a C++ video pipeline running on a constrained SoC?
  • How do hardware encoders differ from software encoders?
  • Explain the role of the ISP in an IP camera.
  • How would you integrate an AI object-detection model into a camera pipeline?
  • How would you design the system for unreliable networks?
  • How would you balance latency, video quality, CPU usage, and bandwidth?
  • Describe an architecture decision you made that had significant technical trade-offs.
  • How do you lead architecture and code reviews while remaining hands-on?

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