Sr. iPhone Developer(6+ yr Exp.)

• 4–7 years of professional C++ experience in performance-critical systems
• Expert knowledge of modern C++ (C++11/14/17)
• Strong understanding of data structures, algorithms, and memory models
• Deep experience with multithreading, atomics, lock-free programming, and CPU cache behaviour
• Excellent knowledge of Linux internals and system-level programming
• Experience with low-level debugging and profiling (gdb, perf, valgrind, flamegraphs)
• Proficiency with CMake/Make and Git

2. Trading Systems Experience (Highly Preferred)

• Hands-on experience with order management systems (OMS) and execution engines
• Knowledge of exchange protocols: FIX, ITCH, OUCH, FAST
• Experience handling market data feeds (L1/L2, multicast, UDP)
• Understanding of latency measurement, clock synchronization, and time stamping
• Experience with network tuning (kernel bypass, socket tuning, CPU pinning)
• Familiarity with trading lifecycle, risk checks, and throttling mechanisms

3. Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related discipline

4. Soft Skills (Important for Trading Firms)

• Ability to work under extreme time and accuracy pressure
• Strong ownership of production systems
• Clear and direct communication with traders and quants
• Bias toward simple, fast, and reliable designs

5. Key Responsibilities

• Design, develop, and optimize ultra-low-latency C++ trading applications
• Build and maintain exchange connectivity and order execution systems
• Develop real-time market data pipelines with strict latency requirements
• Optimize systems at CPU, memory, and network levels
• Implement lock-free or low-lock concurrent designs
• Analyze latency using profiling tools and improve tail latency
• Ensure high availability, fault tolerance, and rapid recovery
• Work closely with Traders and Quant Researchers to implement strategies
• Participate in architecture and performance design reviews
• Review code, enforce best practices, and mentor junior engineers
• Support production systems and handle time-critical issues when needed

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

CodeCraft Technologies is a multi-award-winning creative engineering company offering design and technology solutions on mobile, web, and cloud platforms.

We are looking for an ambitious Xamarin developer to join our team.

Roles and Responsibilities:

• Work with product owners and engineering managers to understand the product roadmap.

• Designing and building advanced mobile features and Custom UI.

• Ensuring responsiveness of applications.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Keep the app stable and secure all the time.

• Continuously discovering, evaluating, and implementing new technologies and processes to maximize development efficiency.

• Comprehensively testing code for robustness including edge cases, usability and general reliability.

• Building reusable components and front-end libraries for future use.

• Communicate with the project manager regarding the status of the project and suggest appropriate deadlines for new functionalities.

• Resolve all the bugs reported by the QA team in a timely manner.

Desired Profile:

• Must Have Skills: Xamarin, MAUI, C# .NET

• Other Skills: Flutter & Dart and/or Java/Kotlin and/or Swift/ Swift UI

Good to Have:

• .NET Certification

• Native (iOS and Android) development Experience.

About the company and work culture:

You will love working with CodeCraft ☺

● Our projects are fast-paced. Everyone is expected to take ownership of the work assigned and are accountable for the same.

● We love to work with people who are proactive, Solution providers and are contributing positively.

● The office has an open culture.

● We encourage leadership development.

● We have good long-term benefits, a yearly vacation, and good opportunities to learn new skills and grow.

● We have worked with the #1 Sports stadium in the world and developed solutions used by NFL, NBA, and Soccer teams.

● We are currently working with clients on the Forbes list USA. One of them is the youngest RE billionaire in the USA.

● Our clients include a few Fortune companies.

● We have developed solutions featured by Apple and Microsoft.

● We won all the entries sent to design awards including a few Indian and International design awards.

● We are working with one of the 50 largest employers in NYC in the healthcare domain.

● We are working with both emerging and very successful start-ups globally.

Design Awards:

● India's Best Design Project Award, IBDA 2018. The jury was from 11 countries. We had 2 entries and won both.

● 11th International Design Awards, LA. There were 3200 entries from 95 countries. We won Silver in design for the Society Category.

● India's Best Design Project Award, IBDA 2017. The jury was from 10 countries.

● Finalist at Design4India- NASSCOM event.

Our business spread last year was:

• USA (95%)

• UK, India, New Zealand and Germany (2%)

Visit us on:

https://www.codecrafttech.com/

LinkedIn - https://tr.linkedin.com/company/codecraft-technologies-private-limited

Instagram - https://www.instagram.com/codecrafttech/

Facebook - https://www.facebook.com/CodeCraft/

Exciting opportunity for a MTS 3 in our Blockchain Engineering team.  You will be working with a team of engineers dedicated to making the VMware Blockchain Platform the dominant Enterprise Blockchain solution. 

At VMware, we are building an Enterprise Blockchain with innovation, enterprise-grade capability, and solutions that will power blockchain in every market sector.  

You will work with a team of talented and supportive individuals from across the world as well as members of the academic community and VMware’s Research Group in this role. Our team values diversity, collaboration, and open thought while supporting VMware’s EPIC2 values. 

Are you ready for your next great challenge with the Blockchain Engineering team in VMware?  

Responsibilities 

• Contribute to implementation of an enterprise blockchain solution. This includes but is not limited to work on the Byzantine Fault Tolerant State Machine Replication layer, work on the execution engine and smart contract layer and work on the ledger layer. 
• Collaborate effectively with other engineers and researchers to solve complex problems 
• Collaboration with cross functional teams involved in the product delivery 
• Working with global team in different geographical locations 

Requirements 

• Knowledge of modern software development methodologies. 
• Deep understanding of distributed computing concepts in practice   
• Ability to work independently and work collaboratively in a team environment,  

including quickly getting up to speed with new technologies.   

• Strong development experience in C++( v11 and higher)  in Linux 
• Expertise in one of the following: distributed systems, security/cryptography
• Proficient organizational skills with the ability to lead challenging demands. 
• Experience with leading the everyday activities of a global engineering team using Agile/Scrum processes. 

Who you are: 

• Self Starter – Thrive in a fast paced and changing environment.   
• Strong collaboration skills with a “Team First” mentality.  
• Technical engineering excellence, innovation in everything you do.   
• “Growth” mindset in tackle problems and creating great solutions.