Vintronics Consulting

Job Title: Senior Android Developer / Lead Engineer (Java | Kotlin | Android)

Experience Required

• 10+ years of overall software development experience
• Strong hands-on expertise in Java, Kotlin, and Android development

Role Overview

We are seeking a highly experienced Senior Android Engineer with deep expertise in Android OS internals, system-level development, and strong hands-on coding ability. The role demands strong technical leadership, architectural thinking, and the ability to design and build scalable, high-performance Android applications with system-level integrations.

This is a hands-on technical role (not people management) with focus on architecture, design, and complex problem solving.

Key Responsibilities

1. Android Application Development

• Design, develop, and maintain advanced Android applications using Java and Kotlin
• Write clean, efficient, and maintainable code with strong adherence to OOP principles
• Participate in hands-on coding, debugging, and code reviews

2. Android Framework & System-Level Development

• Work with Android OS-level APIs including:
• Services
• Binder IPC
• AIDL
• System services
• Understand and implement system-level integrations

3. Low-Level & Hardware Interaction

• Exposure to Kernel / Hardware Abstraction Layer (HAL)
• Work on device-level integrations such as:
• Sensors
• Bluetooth
• Other hardware peripherals

4. Performance & Stability Engineering

• Identify and resolve performance issues including:
• ANR (Application Not Responding)
• Memory leaks and optimization
• Ensure application stability and efficient resource usage

5. Concurrency & Multithreading

• Build robust multi-threaded applications
• Strong understanding of:
• Concurrency models
• Synchronization mechanisms
• Thread safety and race condition handling

6. System Design & Architecture

• Design scalable, modular, and maintainable Android applications
• Define architecture patterns and enforce best practices
• Contribute to system-level design decisions

7. Technical Leadership (Hands-on)

• Provide technical direction and mentorship to engineering team members
• Guide design and implementation decisions
• Conduct architecture and code reviews
• Remain actively involved in coding and technical problem solving

Preferred / Good to Have

• Exposure to IoT domain
• Exposure to HVAC systems or related embedded domains

Must-Have Skills Summary

• 10+ years Android development experience
• Strong Java, Kotlin, Android expertise
• Deep knowledge of Android internals and system APIs
• Strong OOP and coding skills (coding assessment required)
• Experience with performance tuning and memory management
• Strong understanding of multithreading and concurrency
• System design and architecture expertise
• Hands-on technical leadership

Job Title: Senior Android Developer (Java/Kotlin)

Experience: 8–15 Years

Job Summary

We are seeking a highly skilled Senior Android Developer with extensive experience in building robust, scalable, and high-performance mobile applications. The ideal candidate will have deep expertise in Android development using Java and Kotlin, strong problem-solving abilities, and a passion for delivering high-quality user experiences.

Key Responsibilities

• Design, develop, and maintain advanced Android applications for mobile devices.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Integrate mobile applications with backend systems using RESTful APIs.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and fix bugs, optimize performance, and improve application scalability.
• Write clean, maintainable, and efficient code following best practices.
• Participate in code reviews and mentor junior developers.
• Stay updated with the latest trends and technologies in Android development.

Required Qualifications & Experience

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.
• 8+ years of experience in Android development using Java and Kotlin.
• Minimum 4 years of hands-on experience with Kotlin.

Technical Skills

• Strong understanding of the Android platform and Android SDK across multiple OS versions.
• Proficiency in consuming RESTful web services and API integration.
• Solid knowledge of Android UI/UX principles, design patterns, and best practices.
• Experience with popular Android libraries and open-source frameworks.
• Hands-on experience with build tools such as Gradle or Maven.

Testing & Quality Assurance

• Experience with testing frameworks such as JUnit, Espresso, or Robolectric.
• Familiarity with Test-Driven Development (TDD) or Behavior-Driven Development (BDD).
• Experience testing across multiple devices, screen sizes, and configurations.
• Understanding of CI/CD pipelines, automation, and static code analysis.

Performance & Optimization

• Experience in handling local data storage solutions.
• Strong understanding of multithreading and performance tuning.
• Ability to optimize applications for maximum speed and scalability.

Tools & Technologies

• Version control systems such as Git.
• Experience with Azure DevOps or similar lifecycle management tools.
• Knowledge of continuous integration and continuous delivery practices.

Soft Skills

• Strong communication and interpersonal skills.
• Ability to work effectively in distributed/global teams.
• Self-motivated and proactive with a strong learning mindset.
• Comfortable in fast-paced and dynamic environments.

Job Title: Senior Linux Kernel Engineer

Experience: 5–10 Years

Location: Bangalore / Chennai

Domain: Enterprise Linux / Kernel Development

Job Summary

We are seeking a highly skilled Senior Linux Kernel Engineer with deep expertise in kernel development, debugging, and performance optimization. The role involves working on enterprise-grade Linux distributions, kernel lifecycle management, security patching, and low-level hardware integration.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

• Lead kernel upgrade strategies (e.g., LTS migrations such as 5.15 → 6.x) while ensuring stability and compatibility.
• Perform patch porting across kernel versions, resolving API and dependency conflicts.
• Track and mitigate security vulnerabilities by monitoring CVEs and upstream sources (e.g., LKML).
• Backport critical fixes to production kernels without impacting system stability.

2. Debugging & System Stability

• Act as an escalation point for kernel panics and system crashes.
• Perform post-mortem analysis using kdump, crash, and gdb.
• Debug early boot issues (UEFI, initramfs, kernel initialization).
• Conduct performance analysis using eBPF, ftrace, and perf to optimize system behavior.

3. Driver Development & Hardware Integration

• Design, develop, and maintain device drivers (network, storage, GPU, or character devices).
• Work closely with hardware through DMA, interrupts (MSI-X), and register-level programming.
• Maintain out-of-tree drivers using DKMS or similar frameworks.
• Ensure compatibility of drivers across kernel updates.

Required Technical Skills

• Programming: Strong expertise in C (mandatory) and C++
• Kernel Internals: Deep understanding of:
• Virtual File System (VFS)
• Memory Management (MMU, Paging)
• Process Scheduler
• Linux Networking Stack
• Debugging Tools:
• kdump, crash, gdb
• kprobes, trace-cmd, ftrace
• perf, valgrind
• Hardware debugging tools (JTAG, Serial Console)
• Build Systems:
• Kbuild, Makefiles
• Kernel packaging (RPM/Debian)
• Security:
• Experience with CVE patching and backporting
• Knowledge of SELinux/AppArmor
• Kernel hardening (FIPS, KSPP)

Preferred Skills

• Experience contributing to open-source kernel projects
• Familiarity with Linux Kernel Mailing List (LKML) workflows
• Exposure to enterprise Linux distributions (RHEL, Ubuntu, SUSE)
• Experience with performance tuning and system optimization at scale

1. Core Programming (C Language)

• Must have strong hands-on experience in C programming
• Comfortable with pointers, memory management, and low-level concepts

2. Kernel Internals Expertise

• Should have worked in at least one subsystem:
• VFS / File Systems
• Memory Management
• Scheduler / Networking

3. Debugging & Crash Analysis

• Experience handling kernel panics
• Hands-on with vmcore analysis tools

4. Security & Patching

• Understanding of CVE fixes and backporting

5. Driver Development

• Experience in writing or maintaining device drivers

6. Performance & Advanced Debugging

• Exposure to eBPF, ftrace, perf

7. Hardware-Level Understanding

• Knowledge of DMA, interrupts, hardware interaction

Soft Skills

• Strong analytical and problem-solving abilities
• Excellent communication skills
• Ability to work independently and in collaborative environments
• Quick learner with adaptability to new technologies

Job Title: Cloud Development & Linux Debugging Engineer

Experience: 5–10 Years

Location: Bangalore / Chennai

Job Summary

We are looking for an experienced Cloud Development & Linux Debugging Engineer with strong expertise in Linux internals, system-level programming, and cloud technologies. The ideal candidate will have hands-on experience in developing, debugging, and optimizing Linux-based systems along with exposure to DevOps tools and containerized environments.

Key Responsibilities

• Develop and debug software at the Linux system level (kernel/user space).
• Work on Linux internals, low-level system components, and performance optimization.
• Design, develop, and maintain applications using Python and C/C++.
• Troubleshoot complex issues in Linux and cloud-based environments.
• Collaborate with cross-functional teams in an Agile/Scrum environment.
• Contribute to automation and infrastructure using DevOps tools.
• Work with containerized and cloud platforms such as Kubernetes and OpenStack.

Required Skills

• Strong experience in Linux software development (Linux internals, system-level programming).
• Proficiency in Python and C/C++.
• Solid debugging and analytical skills.
• Hands-on experience with Ansible, Puppet, and DevOps practices.
• Experience working with OpenStack and Kubernetes.
• Good understanding of Agile/Scrum methodologies.
• Excellent communication and teamwork skills.

Preferred Skills (Good to Have)

• Experience with Go / Golang and Go templating.
• Knowledge of Kubernetes Operators and Helm.
• Exposure to containerization technologies (Docker, Kubernetes).
• Contributions to open-source projects.
• Experience with cloud-native architectures.

Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field.
• Self-driven individual with a strong learning mindset.
• Ability to work independently and in collaborative team environments.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

Upstream Alignment: Lead the strategy for upgrading enterprise kernels (e.g., migrating from LTS 5.15 to 6.6) while maintaining binary compatibility where required.

Patch Porting: Expertly port functional and performance patches between disparate kernel versions, resolving complex code conflicts and API changes.

CVE Mitigation: Monitor the Linux Kernel Mailing List (LKML) and security advisories to identify and backport CVE patches from upstream to production environments.

2. Deep-Dive Debugging & Stability

Panic Analysis: Act as the final escalation point for Kernel Panics and "Oops" messages. Utilize kdump, crash, and gdb to perform post-mortem analysis of vmcores.

Boot-Time Resolution: Debug critical failures during the early boot process (UEFI handoff, initramfs, and early kernel init) where standard logging is unavailable.

Performance Tuning: Use ebpf, ftrace, and perf to identify bottlenecks in memory management, scheduler latency, or I/O throughput.

3. Driver Development & Hardware Integration

Driver Ownership: Design, develop, or maintain at least one Open Source or Proprietary Device Driver (Network, Storage, GPU, or Character devices).

Hardware Abstraction: Interface directly with hardware registers, managing DMA mappings, and optimizing interrupt handling (MSI-X, Threaded IRQs).

Out-of-Tree Management: Maintain driver compatibility across kernel updates using DKMS or similar frameworks.

4. Infrastructure & Automation

Registry Management: Oversee the distribution of custom kernel builds and modules via GitLab Container/Package Registries.

CI/CD for Kernel: Build automated testing pipelines (Hardware-in-the-loop) to validate kernel stability before enterprise-wide deployment.

Required Technical Skills:

Languages: Mastery of C/C++ Programming (C is preferred)

Kernel Internals: Deep understanding of VFS, Memory Management (MMU/Paging), Process Scheduling, and Networking Stacks.

Debugging Tools: Expert-level use of kprobes, trace-cmd, valgrind, and hardware-level debuggers (JTAG/Serial Console).

Build Systems: Proficiency with Kbuild, Makefiles, and building RPM/Debian packages for kernel distribution.

Security: Hands-on experience with SELinux/AppArmor policy development and kernel hardening (FIPS, KSPP).

1. Engineer with 4 - 10 years of experience in Android Framework /HAL/ driver development
2. Strong C/C++ development skills with a good understanding of object-oriented design
3. Good understanding of Android framework, overall Android Architecture.
4. Proficient in any one of following:
5. Android HAL amongst Audio, Graphics, Camera, Power etc.
6. Desirable experience with Multimedia framework such as OpenMAX, Codec2.
7. Experience with Android ML runtimes such as TFLite, ONNX Runtime, or custom delegates. Hands-on experience with hardware acceleration frameworks (e.g., NNAPI, OpenCL, VIRTIO, or custom IPC mechanisms).
8. Compliance to CTS/VTS and support in resolving defects
9. Strong background in embedded systems development
10. System knowledge, System Debugging

Job Title: Mac OS Storage Driver Developer – SCSI

Location: Bangalore

Position Type: Full-time Contract

Shift: Day

Experience: 5 to 8yrs

Key Responsibilities:

• Develop and maintain macOS storage drivers with a focus on SCSI protocols using the DriverKit framework.

• Collaborate with hardware engineers to understand SCSI device specifications and design drivers that seamlessly interface with macOS.

• Implement storage driver functionalities including command handling, data transfer, error recovery, and performance optimizations.

• Debug and troubleshoot driver issues leveraging macOS debugging tools like LLDB and Instruments.

• Ensure driver compliance with Apple’s security, sandboxing, and code signing requirements.

• Develop and maintain test plans, documentation, and quality assurance procedures for storage drivers.

• Participate in code reviews and maintain high code quality and best practices.

• Provide technical support during driver integration, deployment, and production troubleshooting.

Job Requirements:

• A Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related discipline.

• Proven expertise in developing macOS storage drivers, specifically SCSI-based drivers using the DriverKit framework.

• Strong proficiency in C/C++ programming; knowledge of Swift or Objective-C is a plus.

• Deep understanding of DriverKit APIs, macOS user-space driver architecture, and IO Kit storage concepts.

• Solid knowledge of SCSI protocols, commands, and storage architecture including RAID.

• Experience with debugging and profiling tools on macOS (LLDB, Instruments, system logs).

• Familiarity with macOS security model, driver sandboxing, and code signing procedures.

• Knowledge of hardware interfaces (PCI, Thunderbolt, USB) relevant to storage devices.

• Excellent problem-solving ability and eLective communication skills.

• Ability to work independently and collaboratively in an Agile environment.

Preferred Qualifications:

• Experience with Agile methodologies and SCRUM frameworks.

• Cross-platform storage driver development experience.

• Knowledge of user-space driver and daemon interaction models.

• Familiarity with continuous integration systems and automated testing strategies.

Job Summary

We are looking for an experienced Java Full Stack Developer with strong expertise in Java, React.js, and AWS to design, develop, and maintain scalable web applications. The ideal candidate should have experience building high-performance applications and working across both front-end and back-end technologies.

Key Responsibilities

• Develop and maintain full-stack web applications using Java and React.js
• Design and build RESTful APIs and microservices using Java frameworks
• Develop responsive and interactive frontend interfaces using React.js
• Work with AWS services for deployment, scalability, and infrastructure
• Collaborate with cross-functional teams including product managers, designers, and QA
• Write clean, maintainable, and efficient code following best practices
• Participate in code reviews, testing, debugging, and performance optimization
• Implement CI/CD pipelines and cloud-based solutions

Required Skills

• Strong experience in Java (Spring Boot / Spring Framework)
• Good knowledge of React.js, JavaScript, HTML, CSS
• Experience building REST APIs and microservices architecture
• Hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.)
• Familiarity with Git, CI/CD pipelines, and Agile development
• Experience with database technologies (MySQL, PostgreSQL, or MongoDB)

Preferred Skills

• Experience with Docker / Kubernetes
• Knowledge of serverless architecture
• Experience working in cloud-native environments
• Understanding of system design and scalable architecture

Key Responsibilities

• Design and develop system-level components on the Windows platform using C/C++
• Knowledge on Windows security, authentication, and credential management modules
• Troubleshoot and debug low-level Windows OS issues
• Collaborate with cross-functional teams to deliver secure and scalable solutions
• Ensure code quality, performance optimization, and adherence to best practices

Required Skills

• Strong programming experience in C/C++
• Hands-on experience with Windows OS internals and Windows platform development
• Good understanding of:
• Windows Security & Authentication
• Windows Credentials
• Cryptography concepts
• Kerberos
• Secure Enclave / Trusted Platform Module (TPM)
• Strong debugging and problem-solving skills

Job Title: Windows OS Developer

Location: Bangalore

Experience: 3–9 Years

Notice Period: Maximum 30 Days

Job Summary:

We are looking for a skilled Windows OS Developer with strong expertise in C/C++ and deep understanding of Windows platform internals. The candidate should have hands-on experience in Active Directory, Identity Management, and Windows Internals with the ability to work on system-level development.

Key Responsibilities:

• Design and develop system-level applications on the Windows platform using C/C++.
• Work on Windows OS internals, system architecture, and low-level components.
• Develop and integrate solutions involving Active Directory and Identity Management.
• Troubleshoot complex system-level issues related to Windows internals.
• Collaborate with cross-functional teams for feature development and enhancements.
• Optimize performance and ensure security best practices.

Required Skills:

• 3–9 years of strong development experience in C/C++.
• Good understanding of Windows Platform and Windows Internals (basic to intermediate level).
• Hands-on experience with Active Directory.
• Experience in Identity & Access Management concepts.
• Strong debugging and problem-solving skills.
• Good knowledge of system programming concepts.
• Windows Platform
• Anyone - Security, Authentication, "windows. Credentials", cryptography, kerberos, "secure enclave", "Trusted platform", TPM,