
Job Title: Cybersecurity Agent Developer
Location: Bengaluru, India
Experience: 7+ Years
Employment Type: Full-time
About the Role:
We are seeking a highly skilled Cybersecurity Agent Developer with deep expertise in C/C++ and Golang or Rust to build and optimize high-performance security agents for Windows, Linux, and macOS platforms. This role requires a strong background in low-level system programming, performance tuning, and security-centric design to ensure effective monitoring, threat detection, and system protection across diverse environments.
Key Responsibilities:
- Design, develop, and maintain cross-platform endpoint security agents.
- Optimize agent performance to ensure minimal system overhead and real-time responsiveness.
- Implement system-level hooks and monitoring components including:
- Process monitoring
- File system and network activity tracking
- System telemetry collection
- Work with kernel-level APIs and frameworks, such as:
- ETW, WFP, WMI, MiniFilter (Windows)
- eBPF, auditd, fanotify, netfilter (Linux)
- EndpointSecurity framework, XPC, System Extensions (macOS)
- Build robust, secure inter-process communication (IPC) and data serialization mechanisms.
- Integrate agents with cloud-based security platforms via REST APIs, gRPC, and TLS.
- Collaborate with internal teams (threat intelligence, detection, response) to evolve agent capabilities.
- Perform in-depth debugging, profiling, and optimization using industry-standard tools.
Required Skills & Experience:
Core Programming:
- Strong proficiency in C/C++ and either Golang or Rust
- Solid experience in multi-threaded and asynchronous programming
Platform Expertise:
- Proven experience developing for Windows, Linux, and macOS
- Deep knowledge of system-level programming, including:
- Windows: WinAPI, ETW, WFP, WMI, MiniFilter
- Linux: eBPF, auditd, fanotify, netfilter
- macOS: EndpointSecurity framework, XPC, System Extensions
Security & Networking:
- Understanding of secure IPC, TLS, gRPC, and secure coding practices
- Familiarity with system hardening and secure memory management
Debugging & Optimization Tools:
- Proficient in using tools like GDB, LLDB, Valgrind, Perf, Wireshark, Sysinternals Suite
Version Control:
- Strong experience with Git (GitHub, GitLab)
Preferred Qualifications:
- Experience with cybersecurity frameworks like MITRE ATT&CK, Sysmon, YARA, Suricata
- Hands-on exposure to kernel/driver development
- Familiarity with EDR/XDR, sandboxing, and SIEM integrations
- Understanding of malware analysis and threat detection techniques
- Exposure to container security and cloud-native security agent development

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About the Role
At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.
Our flagship platform is currently under development. As a Backend Engineer, you will play a foundational role in designing and building the core trading engine and research infrastructure from the ground up. Your work will focus on developing performance-critical components that power backtesting, real-time strategy execution, and seamless integration with brokers and data providers. You’ll be responsible for bridging core engine logic with Python-based strategy interfaces, supporting a modular system architecture for isolated and scalable strategy execution, and building robust abstractions for data handling and API interactions. This role is central to delivering the reliability, flexibility, and performance that our users will rely on in fast-moving financial markets.
We are a remote-first team and are open to hiring exceptional candidates globally.
Core Tasks
· Build and maintain the trading engine core for execution, backtesting, and event logging.
· Develop isolated strategy execution runners to support multi-user, multi-strategy environments.
· Implement abstraction layers for brokers and market data feeds to offer a unified API experience.
· Bridge the core engine language with Python strategies using gRPC, ZeroMQ, or similar interop technologies.
· Implement logic to parse and execute JSON-based strategy DSL from the strategy builder.
· Design compute-optimized components for multi-asset workflows and scalable backtesting.
· Capture real-time state, performance metrics, and slippage for both live and simulated runs.
· Collaborate with infrastructure engineers to support high-availability deployments.
Top Technical Competencies
· Proficiency in distributed systems, concurrency, and system design.
· Strong backend/server-side development skills using C++, Rust, C#, Erlang, or Python.
· Deep understanding of data structures and algorithms with a focus on low-latency performance.
· Experience with event-driven and messaging-based architectures (e.g., ZeroMQ, Redis Streams).
· Familiarity with Linux-based environments and system-level performance tuning.
Bonus Competencies
· Understanding of financial markets, asset classes, and algorithmic trading strategies.
· 3–5 years of prior Backend experience.
· Hands-on experience with backtesting frameworks or financial market simulators.
· Experience with sandboxed execution environments or paper trading platforms.
· Advanced knowledge of multithreading, memory optimization, or compiler construction.
· Educational background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.
What We Offer
· Opportunity to shape the backend architecture of a next-gen fintech startup.
· A collaborative, technically driven culture.
· Competitive compensation with performance-based bonuses.
· Flexible working hours and a remote-friendly environment for candidates across the globe.
· Exposure to financial modeling, trading infrastructure, and real-time applications.
· Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.
Ideal Candidate
You’re a backend-first thinker who’s obsessed with reliability, latency, and architectural flexibility. You enjoy building scalable systems that transform complex strategy logic into high-performance, real-time trading actions. You think in microseconds, architect for fault tolerance, and build APIs designed for developer extensibility.
Required Skills/Qualifications:
∙ B.Tech/MCA in Comput
Required Skills/Qualifications:
Any Backend Technology is acceptable
∙ B.Tech/MCA in Computer Science or equivalent with 1-3 years’ experience with server-side web application development.
∙ Extensive development experience using LAMP or MEAN stack, RESTful web services or Node.js, HTML and CSS.
∙ Good understanding of Data structures and Relational Databases like MySQL or NoSQL Databases like MongoDB.
∙ Experience working with services in AWS such as EC2, RDS, and ELBs and have knowledge of VPCs.
∙ Experience with server side and client side MVC frameworks, Kafka Ansilble,Jenkins.
∙ Exposure to Continuous Integration (CI) and Continuous Deployment (CD), automated testing and agile development methods.
∙ Understanding of Version Management Tools like GitHub.
er Science or equivalent with 1-3 years’ experience with server-side web application development.
∙ Extensive development experience using LAMP or MEAN stack, RESTful web services or Node.js, HTML and CSS.
∙ Good understanding of Data structures and Relational Databases like MySQL or NoSQL Databases like MongoDB.
∙ Experience working with services in AWS such as EC2, RDS, and ELBs and have knowledge of VPCs.
∙ Experience with server side and client side MVC frameworks, Kafka Ansilble,Jenkins.
∙ Exposure to Continuous Integration (CI) and Continuous Deployment (CD), automated testing and agile development methods.
∙ Understanding of Version Management Tools like GitHub.
non-metro and rural markets. DealShare has raised series C funding of USD 21 million with key investors like WestBridge Capital, Falcon Edge Capital, Matrix Partners India, Omidyar Network, Z3 Partners and Partners of DST Global and has a total funding of USD 34 million.They have 2 million customers across Rajasthan, Gujarat, Maharashtra, Karnataka and Delhi NCR with monthly transactions of 1.2 million and annual GMV of $100 million. Our aim is to expand operations to 100 cities across India and reach annual GMV of USD 500 Million by end of 2021.
They started in Sept 2018 and had 5000 active customers in the first three months. Today
we have 25K transactions per day, 1 Lakh DAU and 10 Lakh MAU with a monthly GMV of INR 100 Crores and 50% growth MoM. We aim to hit 2 Lakh transactions per day with an annual GMV of 500 Million USD by 2021.
We are hiring for various teams in discovery (search, recommendation, merchandising,
intelligent notifications) , pricing (automated pricing, competition price awareness, balancing revenue with profits, etc), user growth and retention (bargains, gamification), monetisation (ads), order fulfillment (cart/checkout, warehousing, last mile, delivery promise, demand forecasting), customer support, data infrastructure (warehousing, analytics), ML infrastructure (data versioning, model repository, model training, model hosting, feature store, etc). We are looking for passionate problem solvers to join us and solve really challenging problems and scale DealShare systems
You will:
● Implement the solve with minimal guidance after solutioning closure with senior engineers.
● Write code that has good low level design and is easy to understand, maintain, extend
and test.
● End to end ownership of product/feature from development to production and fixing
issues
● Ensure high unit, functional and integration automated test coverage. Ensure releases
are stable.
● Communicate with various stakeholders (product, QA, senior engineers) as necessary to
ensure quality deliverables, smooth execution and launch.
● Participate in code reviews, improve development and testing processes.
● Participate in hiring great engineers
Required:
● Bachelor’s degree (4 years) or higher in Computer Science or equivalent and 1-3 years
of experience in software development
● Excellent at problem solving, is a self thinker.
● Good understanding of computer science fundamentals, data structures and algorithms
and object oriented design.
● Good coding skills in any object oriented language (C++, Java, Scala, etc), preferably in
Java.
● Prior experience in building one or more modules of large-scale, highly available, low
latency, high quality distributed system is preferred.
● Extremely good at problem solving, is a self thinker.
● Ability to multitask and thrive in a fast paced timeline-driven environment.
● Good team player and ability to collaborate with others
● Self driven and motivated, very high on ownership
Is a plus
● Prior experience of working in Java
● Prior experience of using AWS offerings - EC2, S3, DynamoDB, Lambda, API Gateway,
Cloudfront, etc
● Prior experience of working on big data technologies - Spark, Hadoop, etc
● Prior experience on asynchronous processing (queuing systems), workflow systems.
About us
At Lucidity, we are a year and a half old company and we work on helping large enterprises manage their cloud storage platform.
Our founders bring with them more than a decade of experience working with top tech Gaints in the world, building and selling large tech products from zero to one. We are seeing a lot of early traction and expanding aggresively.
We are a B2B product based startup building the next generation of storage orchestration system for cloud. We are hiring agressively across multiple roles and looking for passionate engineers to join a very young and energetic team at Lucidity.
What you'll do
Technology is at the heart of our organization. As part of the tech team you will
- Understand product requirements and brainstorm ways to address them.
- Build features from scratch and have complete ownership for it.
- Deliver efficient, reliable, scalable code with high automated test coverage.
- Contribute to team decisions in the overall architecture and practices of the company.
What you'll need
Must haves
- At least 1 year experience in a product based company.
- Experience working with distributed environments.
- Comfortable with at least one Object Oriented Programming language.
- Hands on with AWS or at least one other public cloud.
Good to have
- Experience handling highly scalable systems.
- Experience with at least one among C++, Java.
- Experience with docker and Kubernetes.
- Experience with Linux file systems.
Additional
- B Tech/M Tech in Computer Science or equivalent from a reputed college.
- Good problem solving skills.
- Deeply technical with a track record of successful delivery.
Why us
We're hiring a set of highly skilled, enthusiastic and passionate people who thrive in a high growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do.
- Works towards developing Stable & Efficient Applications for
- Responsible for developing Applications which are Stable, Efficient and if required cross
- Responsible to create Native Applications for Android to achieve best performance.
- Responsible for understanding best UI Practices
- Responsible for creating Application UI utilizing latest Google UI Guide lines.
- Qualification: B.E. / B.Tech / M.C.A. in Computer Sciences.
- Should have Experience of at least one production environment Application in Google Play Store. GIT, Agile Frameworks, Jenkins
- Must have Java, Android, C, and C++.
Your Impact
This team is accountable for platform architecture evolution to meet the evolving needs of different business lines globally with rapid software deployment. As stewards of critical components in order execution and post-trade, the team is accountable for a high degree of software quality. The team consists of self-guided pragmatic individuals who are motivated to change the status quo in calculated ways.
As a member of the team, you will play an integral role on the trading floor. This is a dynamic, entrepreneurial team with a passion for technology and the markets, with individuals who thrive in a fast-paced changing environment. The team takes a data driven approach to decision making and you should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring trading performance for systems and strategies used by our clients.
RESPONSIBILITIES AND QUALIFICATIONS
Responsibilities
+ Design, build and maintain low latency, high-performance electronic trading platform components, with a focus on market data, exchange and client connectivity and risk controls.
+ Deliver continuous optimization for latency, scale and resiliency improvements.
+ Participate in system builds for various markets globally, have curiosity and interest in understanding market microstructure details, work closely with engineering, sales and product teams globally for successful delivery of projects.
+ Basic Qualifications
+ Bachelors or Masters degree in computer science or engineering or equivalent experience
+ 3+ years of professional experience developing deterministic high performance, low latency systems in C++ (counted in single digit microseconds)
+ Prior experience with FIX and binary exchange connectivity and market data protocols preferred
+ Strong knowledge of object oriented programming, data structures, algorithms and design patterns
+ Critical path analysis, performance optimization and hardware acceleration.
+ Linux systems programming experience including memory management, concurrent programming infrastructure, and the networking stack
+ Experience developing distributed architecture systems and messaging protocols
+ Strong analytical and problem solving skills
+ Comfortable in a fast-paced environment, self-motivated, results driven and commercially focused
Preferred Qualifications
+ Software development in C++ in the context of high performance (low-latency, high-throughput) real-time computing.
+ Familiarity with STL and C++11/14 language extensions, Boost
+ Network programming (sockets, TCP/UDP/Multicast protocols)
+ Multi-threading, concurrent programming
+ Intimate knowledge of compilers, flow of data at hardware level (memory/caches, buses) + Some experience with FPGA or other hardware acceleration technologies
+ Experience processing large static datasets as well as high volume ticking data sources + Over 3 years' experience in Financial industry(Good to have)
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Understanding and implementing security and data protection
- Managing both front-end and back-end web development requirements from a consumer.
- Taking full responsibility for task/ project execution
- Handling Payment Gateway integration and ecommerce development concepts
- Prioritizing own work and respect deadlines
What you need to have:
- Excellent skills in PHP Laravel
- Strong object-oriented programming skills
- General knowledge of both front-end and back-end web development from a consumer.
- Databases (more than one is desirable) MySQL, PostGRE, MongoDB
- Experience in Payment Gateway integration and ecommerce development concepts
- Should know about child theme and its structure.
- Proficient in CSS3/ HTML5
- Should know about source version control like git or svn etc.
- Familiar with AWS & Linux command line will be added advantage.
- Must be a team player with good communications
- Ability to solve problems quickly and efficiently
- Great aptitude and attitude towards learning
- Ability to prioritize own work and respect deadlines






