
- 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.
Connect with the team
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Role & Responsibilities
work with peers in Product, QA, and other Engineering departments;
coach and mentor team members;
cautiously drive adoption of new technologies and processes;
preserve our engineering values of quality, scalability, and maintainability;
“see around corners” — identify blind spots and prioritize work across teams;
work with international teams to ensure successful product development and delivery; and
own the overall architecture and systems engineering for your products.
WHO YOU ARE
To be successful in this role, you’ll need to have the following skills:
· Love for coding: A fanatic about writing beautiful and scalable code.
· A sense of analytics: Strong analytical and troubleshooting skills. Should be resourceful, innovative and inventive.
· Dynamic: Should be comfortable in dealing with lots of moving pieces. Have exquisite attention to detail, and are comfortable learning new technologies and systems.
· Team player: Knack for influencing without being authoritative. Pitch in wherever the team needs help, from writing blog posts to supporting customers.
· Accountability: High sense of ownership for your code and relentlessness to deliver projects with high business impact.
KEY QUALIFICATIONS
· BE/BTech in Computer Science or related field.
· 5+ years of professional production and development experience with leading-edge server and database technologies (e.g., Python, Java, Node.js, Scala, Spring Boot, MySQL, and NoSQL databases).
KEY SKILLS
· Strong computer system analysis and design skills in current methodologies and patterns Experience with professional production cloud (AWS preferred).
· Experience with RESTful Services and APIs.
- Deep hands-on experience in designing & developing Python based applications
- Hands-on experience building database-backed web applications using Python based frameworks
- Excellent knowledge of Linux and experience developing Python applications that are deployed in Linux environments
- Experience building client-side and server-side API-level integrations in Python
- Experience in containerization and container orchestration systems like Docker, Kubernetes, etc.
- Experience with NoSQL document stores like the Elastic Stack (Elasticsearch, Logstash, Kibana)
- Development experience with modern JavaScript based front end frameworks, especially Vue.js
- Experience in test automation and TDD
- Experience testing interactive applications with unit testing frameworks for the various technology stacks
- Experience in using and managing Git based version control systems - Azure DevOps, GitHub, Bitbucket etc.
- Experience in using project management tools like Jira, Azure DevOps etc.
- Expertise in Cloud based development and deployment using cloud providers like AWS or Azure
Bachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performance efficient
applications.
● Integration of user-facing elements developed by front-end developers with server-side
logic.
● Implementation of security and data protection
● Integration of data storage solutions
**Backend Developer Requirements:**
● Expert in Python, with knowledge of Django Web Framework.
● Familiarity with some ORM (Object Relational Mapper) libraries.
● Working knowledge of MySQL.
● Fair understanding of building RESTful APIs.
● Bonus points for Celery, RabbitMQ.
● Worked with Django application deployment on AWS.
● Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
● Understanding of accessibility and security compliance.
● Knowledge of user authentication and authorization between multiple systems, servers,
and environments.
● Familiarity with event-driven programming in Python.
● Able to create database schemas that represent and support business processes.
● Strong unit test and debugging skills.
● Proficient understanding of Git.
Be Part Of Building The Future
Dremio is the Data Lake Engine company. Our mission is to reshape the world of analytics to deliver on the promise of data with a fundamentally new architecture, purpose-built for the exploding trend towards cloud data lake storage such as AWS S3 and Microsoft ADLS. We dramatically reduce and even eliminate the need for the complex and expensive workarounds that have been in use for decades, such as data warehouses (whether on-premise or cloud-native), structural data prep, ETL, cubes, and extracts. We do this by enabling lightning-fast queries directly against data lake storage, combined with full self-service for data users and full governance and control for IT. The results for enterprises are extremely compelling: 100X faster time to insight; 10X greater efficiency; zero data copies; and game-changing simplicity. And equally compelling is the market opportunity for Dremio, as we are well on our way to disrupting a $25BN+ market.
About the Role
The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for innovative minds with experience in leading and building high quality distributed systems at massive scale and solving complex problems.
Responsibilities & ownership
- Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
- Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
- Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
- Lead the team to solve complex and unknown problems
- Solve technical problems and customer issues with technical expertise
- Design and deliver architectures that run optimally on public clouds like GCP, AWS, and Azure
- Mentor other team members for high quality and design
- Collaborate with Product Management to deliver on customer requirements and innovation
- Collaborate with Support and field teams to ensure that customers are successful with Dremio
Requirements
- B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
- Fluency in Java/C++ with 8+ years of experience developing production-level software
- Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
- 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
- Hands-on experience in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
- Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
- Passion for learning and delivering using latest technologies
- Ability to solve ambiguous, unexplored, and cross-team problems effectively
- Hands on experience of working projects on AWS, Azure, and Google Cloud Platform
- Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud)
- Understanding of distributed file systems such as S3, ADLS, or HDFS
- Excellent communication skills and affinity for collaboration and teamwork
- Ability to work individually and collaboratively with other team members
- Ability to scope and plan solution for big problems and mentors others on the same
- Interested and motivated to be part of a fast-moving startup with a fun and accomplished team
Key Responsibilities:
- Lead a full product development lifecycle from ideation, design, development, to roll out and support
- Own the delivery of multiple features of the product end to end while hands-on in development as well
- Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure)
Role and Qualifications:
- 7+ Years’ of experience, managing teams of 5+ people
- Must have excellent programming, debugging and scripting skills with a solid understanding of Object Oriented Design principles.
- Proficiency in at least two of the following: Java, NodeJS, Go, JavaScript, Python programming stacks, and passion for software engineering and craftsman-like coding prowess
- Knowledge of software practices like refactoring, clean code, domain driven design, Encapsulation etc
- Hands on experience managing databases like MongoDB, Cassandra, Redis.
- Exposure to event driven systems and event streaming engines like Kafka
- Good knowledge of DevOps tooling like docker, kubernetes, ansible/chef, AWS.









