Software Developer

4 days ago

Hyderabad, Telangana, India TestCore IT Solutions Pvt. Ltd. Full time ₹ 15,00,000 - ₹ 30,00,000 per year

Experience:
3–8 years

Job Summary:

We are seeking a skilled C++ developer with strong experience in
WinRT and WinUI 3
for building modern Windows desktop applications. The ideal candidate should have hands-on expertise in
secure communications (HTTPS, TLS)
,
Protocol Buffers (protobuf)
,
multicast DNS (mDNS)
,
Bluetooth Low Energy (BLE)
including
GATT
and
L2CAP
,
Wi-Fi Direct
,
Wi-Fi Security (WPA)
,
IPv6 networking
, and
unit testing
using
Catch2 or Google Test
. This role focuses on developing feature-rich, secure, and network-aware Windows applications.

Key Responsibilities:

  • Design and develop Windows desktop applications using
    C++/WinRT
    and
    WinUI 3
    .
  • Implement secure network communication using
    HTTPS
    ,
    TLS
    , and support for
    IPv6
    .
  • Integrate and manage
    Wi-Fi Direct
    and
    WPA/WPA2 Wi-Fi security
    configurations.
  • Work with
    Bluetooth Low Energy (BLE)
    stack, including
    GATT
    services/characteristics and
    L2CAP
    channels.
  • Implement
    mDNS (Multicast DNS)
    for local network service discovery.
  • Use
    Protocol Buffers (protobuf)
    for serialization and cross-platform data interchange.
  • Develop and maintain unit tests using
    Catch2 or Google Test (GTest)
    .
  • Debug and analyze network communication (TCP, UDP, BLE, Wi-Fi) and performance bottlenecks.
  • Collaborate with cross-functional teams in design, architecture, and feature delivery.

Required Skills & Qualifications:

  • Proficient in
    Modern C++ (C++17, C++20, or newer)
    .
  • Strong experience in
    C++/WinRT
    and
    WinUI 3
    application development.
  • In-depth knowledge of
    HTTPS
    ,
    TLS
    , and secure network communication.
  • Experience with
    IPv6 networking
    , socket programming, and protocol-level debugging.
  • Hands-on experience with
    Wi-Fi Direct
    ,
    WPA security
    , and
    Windows networking stack
    .
  • Strong understanding and implementation experience with
    Bluetooth Low Energy (BLE)
    , including:
  • GATT profiles
    (central/peripheral roles, characteristics, descriptors)
  • L2CAP
    channels for data exchange
  • Experience using
    Protocol Buffers (protobuf)
    in C++ applications.
  • Implementation of
    mDNS
    for zero-configuration networking.
  • Proficiency in
    unit testing frameworks
    like
    Catch2
    or
    Google Test
    .
  • Familiarity with
    Visual Studio
    ,
    MSBuild
    , and Windows development environments.

Preferred Qualifications:

  • Knowledge of
    Windows App SDK
    , asynchronous programming using co_await and IAsyncOperation.
  • Familiarity with
    COM
    ,
    Win32
    , and
    Windows BLE APIs
    .
  • Tools experience:
    Wireshark
    ,
    Bluetooth Sniffer
    ,
    WinDbg
    ,
    Visual Studio Profiler
    .
  • Experience in performance optimization and cross-device communication.

Education:

Bachelor's or Master's degree in Computer Science, Software Engineering, Electronics, or a related field.

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