C++ Developer at Wissen Technology · Remote, Pune · 4 - 8 years · Profitable · Remote friendly · Posted 18 Mar 2026

- 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

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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We are hiring high-caliber engineers with 3+ years of experience to build low-latency, high-throughput trading infrastructure in Rust, working directly under senior systems architects. This is a hands-on coding role on performance-critical systems — you will write, test, and ship the core code.
Responsibilities
- Develop and maintain high-performance backend services in Rust under the guidance of senior engineers
- Implement components of distributed, fault-tolerant systems handling high transaction volumes
- Write extensive unit, property-based, and simulation tests for correctness-critical code - Profile and optimize code for latency, throughput, and memory efficiency - Participate in design discussions and rigorous code reviews
- Debug and resolve issues in Linux-based production environments
Required Qualifications
- B.Tech/M.Tech in Computer Science from an IIT or NIT (mandatory) - 3+ years of professional software development experience in Rust, C++, or Java/Go with systems-level work; strong Rust proficiency or demonstrated ability to attain it fast - Understanding of financial markets and trading systems — order books, order types, matching concepts, spot and derivatives (futures/options) basics; hands-on experience with trading, broking, or market data systems is a strong plus - Excellent computer science fundamentals — data structures, algorithms, operating systems, networking, concurrency
- Solid grasp of multithreading and memory management; exposure to performance profiling and benchmarking
- Understanding of distributed systems concepts — replication, consistency, message queues (Kafka/NATS or similar)
- Experience with Linux, Git, and modern development workflows
- Strong problem-solving ability and hunger to work on hard systems problems
Preferred
- Competitive programming background (Codeforces/ICPC/CodeChef ratings welcome on the CV)
- Personal or open-source Rust projects
- Exposure to low-latency techniques — lock-free structures, zero-allocation design, binary protocols (SBE/Protobuf/FlatBuffers)
- NISM certifications, trading experience (personal F&O/options trading counts), or coursework in financial engineering
- Exposure to consensus algorithms (Raft), event sourcing, or deterministic testing
Growth Path
You will be mentored directly by senior systems engineers with deep exchange-infrastructure experience, with a defined progression to senior engineer ownership of subsystems within 18–24 months. This team is being built as a center of excellence in low-latency systems engineering in India.
Selection Process
- Resume shortlisting (college + evidence of strong engineering: projects, CP ratings, internships)
- Online DSA + systems assessment
- Live coding round (Rust/C++, performance-oriented problem)
- Systems and trading-concepts discussion round
- Culture and ownership round with the senior engineer you will report to
Compensation: top of market for the experience band, benchmarked against product companies, not services.
Qualifications & Requirements:
- 4+ years of experience in C++ application development.
- Hands-on experience with C++11 or above.
- Strong knowledge of object-oriented programming and software design.
- Deep understanding of STL, multi-threading, socket programming, and data structures.
- Solid grasp of Linux development and debugging techniques.
- Proficient in using GCC, GDB, and Makefile.
- Familiarity with Valgrind and similar analysis tools.
- Experience with version control tools like Git.
- Experience writing and maintaining automated tests.
- Experience in capital markets/trading domain is a plus.
Skills:
- Strong problem-solving and analytical thinking.
- Clear and effective communication.
- Self-driven with the ability to work independently.
- Passionate about high-quality software and strong engineering practices.
- Comfortable working in a fast-paced, collaborative environment.
Job Title: C Developers
Company Name: Chella Software Private Limited
Company Website: https://www.chelsoft.com/
Company details
THE PARTNER OF CHOICE FOR FINANCIAL MARKETS
Our deep domain experience, ultra-high-performance software solutions, and on-time project delivery make us the preferred partner for the financial markets.
Over the last two decades, Chella Software has built deep domain experience in the financial markets and a capability for developing ultra-high-performance software that can handle very high volumes of data with the lowest levels of latency.
We are now preferred partners for a host of Central Banks, Stock Exchanges, Clearing Corporations, Brokerages, and Institutional Investors across 12 countries.
We are a global provider of fintech solutions for central banks, exchanges, central counter parties, and financial market intermediaries. We meet the software needs of customers in India, the Middle East, Africa, Singapore, and the USA.
Location: Mumbai
Mode of Working: Work from office: 2 rounds - virtual
Days of Working: 5 Days a week
Responsibilities
Job Description:
- Programming Languages: C Platform: Linux and Windows environment
- Comfortable with software development on Unix/Linux platforms • Strong debugging skills
- Ability to work independently and efficiently to meet deadlines. Self-motivated, detail-oriented and organized.
- Strong analytical skills to diagnose/resolve complex issues • Ability to multi-task and stay organized in a dynamic work environment.
- Ability to "think outside the box".
- Highly proficient programming skills [C family]
- Excellent algorithm-design skills
- Very good knowledge of database concepts and technology, in particular SQL and relational algebra, and query optimization
Roles & Responsibilities:
- Planning, estimation, and design usually done in a group
- Working closely with end-users (traders) to understand their requirements and needs
- Working closely with the other members of the MC team to identify and employ strategies and solutions to best support the trading desk
- Working closely with the rest of the SPG to identify and employ strategies and solutions to best support the needs of the MC team
- Providing support for the traders on trading and risk infrastructure issues
- Development and support of our trading, risk management, infrastructural and reporting applications
- Work with the Lead Technologists to develop and deliver solutions within a timely manner within the scope of the overall business strategy
- Assisting Application Support with root cause analysis of production incidents
Interview process
Interview Process
- Round 1: Virtual
- Round 2: Virtual
- Final Discussion: Face-to-face in Mumbai
Perks:
- Training period: 2 months at Madurai; the training cost, Stay, Travel, Food, etc., will be provided by the company
- Yearly 2 travel to your home town shall be sponcered by the company.
As an Engineering Manager, you'll lead efforts to strengthen and optimize our state-of-the-art systems, ensuring high performance, scalability, and efficiency across our suite of trading solutions.
The core responsibilities for the job include the following:
Technical Expertise:
- C++ coding and debugging to strengthen and optimize systems.
- Design and architecture (HLD/LLD) to ensure scalable and robust solutions.
- Implementing and enhancing DevOps, Agile, and CI/CD pipelines to improve development workflows.
- Managing escalations and ensuring high-quality customer outcomes.
Architecture and Design:
- Define and refine the architectural vision and technical roadmap for enterprise software solutions.
- Design scalable, maintainable, and secure systems in line with business goals.
- Collaborate with stakeholders to translate requirements into technical solutions.
- Driving engineering initiatives to foster innovation, efficiency, and excellence.
Project Management:
- Oversee project timelines, deliverables, and quality assurance processes.
- Coordinate cross-functional teams to ensure seamless integration of systems.
- Identify risks and proactively implement mitigation strategies.
Technical Leadership:
- Lead and mentor a team of engineers, fostering a collaborative and high-performance culture.
- Provide technical direction and guidance on complex software engineering challenges.
- Drive code quality, best practices, and standards across the engineering team.
Requirements:
- 10-15 years in the tech industry, with 2-4 years in technical leadership or managerial roles.
- Technical Expertise: Expertise in C++ development, enterprise architecture, and scalable system design, and proficiency in performance optimization, scalability, software architecture, and networking principles.
- Extensive experience managing the full development lifecycle of large-scale software products, from concept to deployment.
- Strong knowledge of STL containers, multi-threading concepts, and algorithms.
- Solid understanding of memory management and efficient resource utilization.
- Microservices Architecture Expertise: Experience in designing and implementing scalable, reliable microservices.
- Strong Communication and Decision-making skills: Ability to clearly articulate trade-offs, make informed decisions, and ensure alignment across stakeholders.
- Commitment to Creating and fostering Engineering Excellence: Deep understanding of best practices, including code quality, testability, security, and release management, and passion for fostering a strong engineering culture and continuously improving developer workflows and tools.
- Self-Driven and Motivated: Ability to operate independently while driving impactful results.
Mandatory:
- The candidates should be from Capital Market domain
- The candidates should be from B.Tech background
Required Skills:
- 12–18 years in the tech industry, with 2–4 years in technical leadership or managerial roles.
- Technical Expertise: Expertise in C++ development, enterprise architecture, and scalable system design, and proficiency in performance optimization, scalability, software architecture, and networking principles. Extensive experience managing the full development lifecycle of large-scale software products, from concept to deployment.
- Strong knowledge of STL containers, multi-threading concepts, and algorithms. Solid understanding of memory management and efficient resource utilization.
- Microservices Architecture Expertise: Experience in designing and implementing scalable, reliable microservices.
- Strong Communication & Decision-Making Skills: Ability to clearly articulate trade-offs, make informed decisions, and ensure alignment across stakeholders.
- Commitment to Creating and fostering Engineering Excellence: Deep understanding of best practices, including code quality, testability, security, and release management, and passion for fostering a strong engineering culture and continuously improving developer workflows and tools.
- Self-Driven and Motivated: Ability to operate independently while driving impactful results.
Key responsibilities:
- Technical Expertise:
○ C++ coding and debugging to strengthen and optimize systems.
○ Design and architecture (HLD/LLD) to ensure scalable and robust solutions.
○ Implementing and enhancing DevOps, Agile, and CI/CD pipelines to
improve development workflows.
○ Managing escalations and ensuring high-quality customer outcomes.
- Architecture & Design:
○ Define and refine the architectural vision and technical roadmap for enterprise
software solutions.
○ Design scalable, maintainable, and secure systems in line with business goals.
○ Collaborate with stakeholders to translate requirements into technical
solutions.
○ Driving engineering initiatives to foster innovation, efficiency, and excellence.
- Project Management:
○ Oversee project timelines, deliverables, and quality assurance processes.
○ Coordinate cross-functional teams to ensure seamless integration of systems.
○ Identify risks and proactively implement mitigation strategies.
- Technical Leadership:
○ Lead and mentor a team of engineers, fostering a collaborative and high- performance culture.
○ Provide technical direction and guidance on complex software engineering challenges
○ Drive code quality, best practices, and standards across the engineering team.
Position: C++ Developer – Windows
Experience: 3.5+ Years
Location: Bangalore
Employment: Permanent Position
Interview: F2F
Client Round: No Client Round
Job Summary
We are looking for a skilled C++ Developer with strong experience in Windows-based application development, C++11, multithreading and debugging. The candidate should have hands-on experience in desktop application development and Windows programming.
Mandatory Skills
- Strong hands-on experience in C++ / C++11
- Windows Programming
- Multithreading in C++
- VC++ / MFC / UWP
- Desktop Application Development
- Strong Debugging skills
- Crash Dump Analysis
- Inter-Process Communication (IPC)
- Good understanding of Data Structures, Algorithms and Design Patterns
Good to Have
- Wireshark
- React / React-Native
- .NET Core
- Golang
- AWS Architecture
- Cross-platform application development
Roles & Responsibilities
- Participate in platform requirements and story development.
- Contribute to solution design, design alternatives and design reviews.
- Develop assigned features using appropriate programming languages.
- Participate in peer code reviews.
- Develop use cases and unit test cases.
- Execute unit tests as part of the continuous integration pipeline.
- Analyze and resolve application and component-level issues.
- Perform debugging and crash dump analysis.
- Work on Windows desktop applications and platform components.
- Participate in Agile/Scrum sprint activities.
- Collaborate with cross-functional teams to deliver high-quality software.
Process Skills
- Agile / Scrum
- Test-Driven Development (TDD)
- Continuous Integration
Behavioral Skills
- Strong problem-solving and debugging ability
- Result-oriented team player
- Good communication and interpersonal skills
- Ability to work effectively with technical teams
Job Description:
Develop, maintain, and troubleshoot Windows desktop applications, ensuring performance, reliability, and quality.
Key Responsibilities:
- Develop Windows applications using C++ and C#.
- Work with Windows APIs, SDKs, and system-level programming.
- Migrate code to newer Visual Studio versions.
- Perform unit testing, defect analysis, and bug fixing.
- Work with Windows registry, certificates, file security, threads, and sockets.
- Participate in Agile development and product enhancement discussions.
Required Skills:
- C++ and C# (minimum 1 year of experience in each).
- Windows Desktop Application Development.
- Win32 API, Windows SDKs, and Windows OS concepts.
- Windows programming, debugging, and troubleshooting.
- Laptop/Desktop domain experience.
Opportunity Details:
Experience: 4+ Years
Location: HP Office, Bangalore
Budget: Up to ₹18 LPA
Work Mode: As per project requirements
Interview: Face-to-face (F2F) is mandatory
Note: WPF and React Native are not mandatory.
We are actively looking for experienced C++ Developers with strong hands-on experience in 4G/5G Core Network development, particularly Control Plane and Network Programming.
⚡ Immediate Joiners are highly preferred.
🔹 Key Requirements:
• Strong programming skills in C/C++
• Strong knowledge of Data Structures, Algorithms & OOPS
• Hands-on experience in Socket Programming – TCP/UDP, Non-blocking I/O
• Experience with 3GPP message handling, parsing and protocol processing
• Strong hands-on experience in 4G/5G Core Control Plane
• Experience with MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF, UDM, AUSF, PCF, NRF
• Strong knowledge of Diameter, SIP, GTP-C, GTP-U, PFCP, NAS/NGAP, S1AP, HTTP/2
• Understanding of N1, N2, N3, N4, N6, S1-MME, S1-U, S5/S8 interfaces
• Good understanding of 4G/5G Core Control Plane procedures and call flows
• Strong networking fundamentals: TCP/IP, UDP, Routing, ARP, VLAN, Subnets, L2/L3
• Hands-on Linux development using GCC, GDB, Make and debugging tools
• Experience in low-level debugging, packet flows and performance optimization
🔹 Responsibilities:
• Develop software modules for 4G/5G Core Network systems
• Implement and optimize Control Plane protocol logic
• Work on end-to-end Control Plane call flows
• Debug low-level issues in Control Plane packet flows and system behaviour
• Collaborate with QA/DevOps for network component integration
📌 Priority: Candidates who can join immediately / within a short notice period.
Please ensure the profiles have hands-on 4G/5G Core Networking + Control Plane experience, along with relevant C/C++ development experience
Dear Candidate,
We are currently hiring for the position of C++ / C# Windows Desktop Application Developer for one of our esteemed clients.
Job Description
We are looking for an experienced Windows Desktop Application Developer with expertise in C++ and C# to design, develop, maintain, and enhance Windows desktop applications for hardware products.
The candidate should have hands-on experience in Windows application development, Windows operating system concepts, Win32 API, Windows SDKs, and Visual Studio. Experience in the laptop and desktop domain is preferred.
Key Responsibilities
- Design, develop, and maintain Windows desktop applications using C++ and C#.
- Develop and enhance Windows applications using Windows programming technologies.
- Work with Win32 APIs, Windows SDKs, and relevant libraries and frameworks.
- Analyze, troubleshoot, and resolve application defects and technical issues.
- Migrate and maintain code using Visual Studio IDE.
- Perform unit testing for newly developed or modified code.
- Work with Windows registry, certificates, file and folder security, and Windows OS functionalities.
- Participate in code reviews, technical discussions, and Agile development activities.
- Collaborate with cross-functional teams to improve product functionality and application performance.
Required Skills
- Hands-on experience in C++ – Mandatory
- Hands-on experience in C# – Mandatory
- Minimum 1 year of experience in both C++ and C# is required.
- Experience in Windows desktop application development.
- Knowledge of Windows operating system concepts.
- Experience with Win32 API and Windows SDKs.
- Familiarity with Visual Studio and software debugging.
- Understanding of unit testing, troubleshooting, and defect resolution.
- Experience in the laptop and desktop hardware domain is preferred.
Opportunity Details
Role: C++ / C# Windows Desktop Application Developer
Experience: 4+ Years
Location: HP Office, Bangalore
Work Mode: Work from Office
Mandatory Skills
C++ | C# | Windows Desktop Application Development | Windows OS | Visual Studio
Key Skills
C++ | C# | Windows Applications | Win32 API | Windows SDK | Visual Studio | Debugging | Unit Testing | Windows Registry | Windows OS
Job Summary:
We are seeking highly skilled Java Developers with hands-on experience in developing
enterprise-scale applications, preferably within the financial services domain. The role
requires expertise in Core Java, Microservices, and high-performance server-side
development.
Key Responsibilities:
• Design, develop, and maintain enterprise-scale n-tier applications in the financial
domain.
• Develop complex, low-latency, client-facing applications with a focus on performance
and scalability.
• Work with Microservices architecture, Data Structures, OOPs, Algorithms, and
Multithreading.
• Perform high-level and low-level design for critical applications.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Ensure best practices in coding, architecture, and application performance.
Requirements:
• Strong experience in Core Java 5.0 and above, Spring, and CXF.
• Extensive experience in enterprise application design patterns and architecture.
• Strong development experience with RDBMS (preferably Sybase).
Experience: 7+ years
Location: Mumbai
Mode of Work: Hybrid
• Hands-on expertise in multithreading and high-volume server-side applications.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Excellent problem-solving and coding skills in Java.
• Strong interpersonal, communication, and analytical skills.
• Ability to express design ideas and collaborate effectively with teams









