C++ Developer at Wissen Technology · Pune, Bengaluru (Bangalore) · 4 - 9 years · Profitable · Posted 18 Mar 2026

JOB DESRIPTION: C++ Developer
Experience : 4 –7 Years
Location : Pune
No of Position : 1
We are seeking an experienced C++ Developer with 4–7 years of experience to work in financial
systems. The role involves working on mission-critical applications such as trading platforms,
market data systems, risk engines, or payment processing systems, where performance, stability,
and correctness are paramount.
1. General Req -
•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
behavior
•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

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 looking for a C++ Developer to build high-performance systems software.
Responsibilities
- Develop performance-critical applications in modern C++
- Write concurrent, multithreaded code
- Use STL and Boost effectively
- Profile and optimise for latency and memory
Requirements
- 1+ years of professional C++ development
- Strong understanding of multithreading and memory management
- Linux systems programming experience
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.

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.
- Skilled C/C++ Software Engineer to design, develop, and optimize high-throughput, low-latency client-server based application
- Responsible for building backend business logic and managing highly efficient data layers interacting with SQL databases
- Expertise in C++ patterns, memory management, multi-threaded programming, and SQL performance tuning
- Design, build, and maintain efficient, reusable, and reliable C/C++ code for core application layers
- Implement and manage database connectivity abstractions utilizing APIs
- Develop, optimize, and maintain SQL queries, stored procedures, triggers, views, and database schemas
- Diagnose systems issues, identify memory leaks, refactor legacy codebases
- Participate in code reviews, write unit tests, perform testing and operate actively within Agile sprints
- 8+ years of professional development experience using standard C++ with a strong grasp of OOP
- Hands-on expertise with relational databases (e.g., Microsoft SQL Server, MySQL, PostgreSQL, or Oracle)
- Strong proficiency in multi-threading, concurrency, IPC, and socket programming
- Experience developing on Windows environments
- Familiarity with debugging tools and version control platforms like Git
- Background in UI frameworks that hook into C++ backends
- Familiarity with scripting languages (Python or Shell scripting) for database data loading and automation
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

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.

About the company
The client is a quantitative investment firm focused on Indian financial markets. They operate a multi-strategy, multi-manager platform designed to generate consistent, risk- adjusted returns.
Their approach combines systematic investment methods, rigorous quantitative research and institutional-grade manager evaluation. We bring together research, technology and data to build scalable investment solutions.
Role Overview
We are seeking a Quantitative Developer with strong C++ and Python expertise to convert mathematical models and research prototypes into reliable, high-performance analytical engines.
You will work closely with Quantitative Research, Data Engineering, AI and Product Engineering teams throughout the full model lifecycle—from research handover and production implementation to validation, deployment and ongoing support.
This role is ideal for someone who enjoys working at the intersection of quantitative finance, numerical computing and production software engineering.
Key Responsibilities
Research Production
- Translate mathematical models and Python research prototypes into robust, production-quality C++.
- Develop reusable components for risk analytics, forecasting, portfolio analysis and simulation.
- Build efficient Python interfaces for C++ components using pybind11 or similar technologies.
- Ensure production implementations remain mathematically and numerically consistent with the underlying research.
- Establish clear and reproducible processes for transitioning models from research to production.
Engine Development and Validation
- Design and develop analytical engines capable of processing historical, batch and streaming data.
- Integrate calculation components with data pipelines, APIs, databases and downstream applications.
- Validate production implementations against research prototypes, benchmark datasets and expected results.
- Develop automated numerical, unit, integration, regression and performance tests.
- Identify and resolve numerical stability, precision and edge-case issues.
- Optimize calculation speed, memory usage, concurrency and scalability.
- Profile and benchmark critical components to meet defined performance requirements.
Deployment and Delivery
- Package analytical engines as libraries, services, APIs or containers.
- Support deployment across internal infrastructure and client-controlled environments.
- Configure engines for different datasets, workflows and institutional requirements.
- Assist with integration testing, production upgrades, issue diagnosis and technical troubleshooting.
- Implement appropriate logging, monitoring and error-handling capabilities.
- Document interfaces, assumptions, configurations, dependencies and deployment requirements.
Collaboration and Ownership
- Work closely with Quantitative Research, Data Engineering, AI and Product Engineering teams.
- Participate in technical design discussions, code reviews and quantitative model reviews.
- Communicate implementation trade-offs, constraints and risks clearly to technical and quantitative stakeholders.
- Take end-to-end ownership of assigned components, from research handover through production deployment and support.
- Contribute to engineering standards, reusable libraries and development best practices.
Required Qualifications
- Bachelor’s or master’s degree in Computer Science, Engineering, Mathematics, Statistics, Physics, Quantitative Finance or a related discipline.
- Strong professional programming experience in modern C++, including object- oriented and generic programming.
- Proficiency in Python and scientific-computing libraries such as NumPy, pandas or SciPy.
- Experience translating mathematical or analytical prototypes into production software.
- Strong understanding of algorithms, data structures, software architecture and design principles.
- Experience building automated unit, integration and performance tests.
- Familiarity with numerical methods, floating-point behaviour and numerical validation.
- Experience profiling and optimizing compute-intensive or data-intensive applications.
- Proficiency with Git and modern software-development practices.
- Strong analytical, debugging and problem-solving skills.
- •Ability to work effectively with both researchers and software engineers.
Preferred Qualifications
- Experience with pybind11, Boost.Python, Cython or similar interoperability technologies.
- Knowledge of quantitative finance, portfolio analytics, risk modelling, forecasting or simulation.
- Familiarity with time-series data and financial-market datasets.
- Experience developing applications that process batch or real-time streaming data.
- Exposure to concurrent, parallel or distributed computing.
- Experience with containerization and deployment technologies such as Docker.
- Familiarity with Linux environments, CI/CD pipelines and cloud or on-premises infrastructure.
- Experience building analytical libraries, calculation services or APIs for institutional users.
- Knowledge of Indian financial markets is advantageous

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.
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
We are looking for an experienced Developer with experience in compiled languages and ready to work in Golang. You will be responsible for the Development of distributed services GUI and terminal application in Golang. Candidates should have strong understanding of Algorithms, Memory Management and Networking
Required Experience & Skills:
- C/C++/C#/Go/Rust.
- Networking, Database, Linux, Docker.
- Multiprocessing, Multithreading, Distributed computing, Thread synchronization techniques.
- Communication protocols, gRPC, MQTT, REST, Modbus, OPC...
- GUI Programming
- Testing, Debugging and performance optimization.
- REST APIs, MySQL, Redis
- Proficiency with Git for version control and collaborative development workflows.





