Senior Full Stack Engineer jobs at Cognyte in Bulgaria, Sofia

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For 30 years, the incredible minds at

Our product:

Our analytics platform powers our portfolio. Data is growing rapidly and is highly fragmented across different departments, and organizations are looking to adopt open software to keep up with the pace of technology. These market shifts require security organizations to deploy an analytics platform that can connect different solutions from eitheror third parties to effectively develop new capabilities.

As a Cognyter you will:

• Design, develop and deploy microservices and SPA web applications for handling and analyzing mass amounts of data over a distributed environment with a focus on high availability, low latency, and scalability
• Work using Scrum as a part of a friendly team
• Collaborate with Product Owners, Architects, and Software Engineers from several countries on your way to identify and solve challenging problems
• Take part in technical decisions and strategy to further the long-term product vision
• Contribute to the design, architecture and refactoring of the product
• Perform code reviews and mentor junior and mid-level engineers
• Have a strong passion for Java and JavaScript, you are an open-minded, tech-savvy developer who is enthusiastic about learning and working with a variety of technologies

For that mission you’ll need:

• At least 8 years’ hands-on experience in Java (Spring Framework an advantage) and preferably hands-on frontend development experience in JavaScript React
• Hands-on experience building microservices in cloud (preferably GCP/AWS/Azure ) environments using cloud native technologies (such as: Kubernetes, Docker )
• Experience in designing and implementing large-scale distributed systems using technologies such as Apache Kafka, RabbitMQ , or similar
• Experience with both relational (preferably PostgreSQL/MySQL ) and NoSQL databases (such as: MongoDB )
• Experience with Elasticsearch (an advantage)
• Strong understanding of testing methodologies with a focus on ensuring code quality, reliability, and scalability in production environments
• Familiarity with AI/ML workloads execution (an advantage)

Apply now.

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For 30 years, the incredible minds at

Our product:

Our analytics platform powers our portfolio. Data is growing rapidly and is highly fragmented across different departments, and organizations are looking to adopt open software to keep up with the pace of technology. These market shifts require security organizations to deploy an analytics platform that can connect different solutions from eitheror third parties to effectively develop new capabilities.

As a Cognyter you will:

• Design, develop and deploy microservices for handling and analyzing mass amounts of data over a distributed environment with a focus on high availability, low latency, and scalability
• Work using Scrum as a part of a friendly team
• Collaborate with Product Owners, Architects, and Software Engineers from several countries on your way to identify and solve challenging problems
• Take part in technical decisions and strategy to further the long-term product vision
• Contribute to the design, architecture and refactoring of the product
• Perform code reviews and mentor junior and mid-level engineers
• Have a strong passion for Java, you are an open-minded, tech-savvy developer who is enthusiastic about learning and working with a variety of technologies

For that mission you’ll need:

• At least 8 years’ hands-on experience in Java (Spring Framework an advantage)
• Hands-on experience building microservices in cloud (preferably GCP/AWS/Azure ) environments using cloud native technologies (such as: Kubernetes, Docker )
• Experience in designing and implementing large-scale distributed systems using technologies such as Apache Kafka, RabbitMQ , or similar
• Experience with both relational (preferably PostgreSQL/MySQL ) and NoSQL databases (such as: MongoDB )
• Experience with Elasticsearch (an advantage)
• Strong understanding of testing methodologies with a focus on ensuring code quality, reliability, and scalability in production environments
• Familiarity with AI/ML workloads execution (an advantage)

Apply now.

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For nearly 30 years, the incredible minds at
Cognyte

We’re looking for an analyst to examine encrypted raw network data, extract TLS and IP-level metadata, and identify patterns or trends within complex data streams.

As a Cognyter you will:

• Build analysis pipelines and ensure the accuracy of detection methods using well-defined evaluation metrics
• Demonstrate strong knowledge of network protocols, hands-on experience with packet capture analysis, and solid data analysis or machine learning skills.
• Gain crypto domain expertise and be responsible for developing a Blockchain analytics product.

For that mission you will need:

• Prior experience in network traffic forensics or application traffic analysis.
• Deep understanding of network protocols (Ethernet, IP, TCP, UDP, DNS, etc.)
• Familiarity with TLS internals
• Experience working with network traffic data to extract meaningful characteristics or patterns from packet streams
• Experience using Wireshark/tshark, Network Sniffers and protocol dissectors
• Familiarity with basic ML/statistics
• Experience with Python or any other language for scripting and automation
• Attention to detail and a high standard of data handling
• Bachelor’s degree – Computer Science / Information technology
• Highly committed and responsible, independent and able to take initiative
• Flexible and easy to adapt working on multiple technical contexts
• Able to work in a dynamic environment
• Fluent communication in English
• An endlessly curious mind

Nice to have:

• Research-level machine learning expertise
• AI models knowledge
• Experience creating labeled datasets and synthetic capture generation
• Experience with NoSQL databases (e.g., MongoDB)
• Experience with CI/CD solutions (e.g., Jenkins, TeamCity, Gitlab CI)
• Experience with Linux and Windows operating systems
• Understanding the SDLC – software Dev. lifecycle -> being part from designing to execution -> writing tests, executing, open bugs.
• Previous experience in a SCRUM team

Apply now.

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For 30 years, the incredible minds at

Our product:

Our analytics platform powers our portfolio. Data is growing rapidly and is highly fragmented across different departments, and organizations are looking to adopt open software to keep up with the pace of technology. These market shifts require security organizations to deploy an analytics platform that can connect different solutions from eitheror third parties to effectively develop new capabilities.

As a Cognyter you will:

• Design, develop and deploy microservices for handling and analyzing mass amounts of data over a distributed environment with a focus on high availability, low latency, and scalability
• Work using Scrum as a part of a friendly team
• Collaborate with Product Owners, Architects, and Software Engineers from several countries on your way to identify and solve challenging problems
• Take part in technical decisions and strategy to further the long-term product vision
• Contribute to the design, architecture and refactoring of the product
• Perform code reviews and mentor junior and mid-level engineers
• Have a strong passion for Java, you are an open-minded, tech-savvy developer who is enthusiastic about learning and working with a variety of technologies

For that mission you’ll need:

• At least 8 years’ hands-on experience in Java (Spring Framework an advantage)
• Hands-on experience building microservices in cloud (preferably GCP/AWS/Azure ) environments using cloud native technologies (such as: Kubernetes, Docker )
• Experience in designing and implementing large-scale distributed systems using technologies such as Apache Kafka, RabbitMQ , or similar
• Experience with both relational (preferably PostgreSQL/MySQL ) and NoSQL databases (such as: MongoDB )
• Experience with Elasticsearch (an advantage)
• Strong understanding of testing methodologies with a focus on ensuring code quality, reliability, and scalability in production environments
• Familiarity with AI/ML workloads execution (an advantage)

Apply now.

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For nearly 30 years, the incredible minds at

As a Cognyter you will:

• Research and reverse engineer IP communication protocols
• Design, build and maintain efficient, reusable, and reliable C++ code for deep packet inspection of IP traffic
• Work closely with architects and product owners to contribute to overall architecture and system design
• Lead development features end-to-end – from design till deployment on customer environments
• Participate in code reviews and contribute to maintaining coding standards and best practices; provide mentoring and professional guidance to junior colleagues
• Contribute to a complex, large-scale product involving various development technologies

For that mission you’ll need:

• Strong professional experience with C++ (desirably 5+ years), working experience with templates, STL, boost libraries
• Experience with developing large scale and complex system solutions
• Solution orientation and "can do" attitude with a desire to tackle complex problems
• A team player with excellent collaboration skills
• Excellent English – verbal and written
• Ability and desire to quickly self-learn new development languages and technologies if needed
• Experience with Java, Python or C# is an advantage
• Experience with developing networking applications is an advantage
• Knowledge of networking and IP protocols (all OSI layers) is an advantage
• An endlessly curious mind

Apply now.

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For 30 years, the incredible minds at

As a Cognyter you will:

• Conduct in-depth research across the deep web, dark web, and open-source intelligence (OSINT) to extract critical intelligence for our clients
• Collaborate closely with the product team to enhance intelligence gathering and analysis processes
• Engage in the collection and processing of OSINT for client-specific investigations
• Keep up to date the team’s methodologies and intelligence collection techniques
• Engage with Threat Actors on an ad hoc basis, adhering to our rules of engagement to gather intelligence without compromising integrity
• Produce actionable intelligence and contribute to the ongoing development of our dark web collection efforts
• Play a key role in mentoring new team members
• Document and refine processes to contribute to the continuous improvement of our Standard Operating Procedures
• Utilize our proprietary intelligence platform to develop and execute advanced analytics
• Provide ongoing advice and insights to our teams helping shape the future direction of our services
• Produce comprehensive, concise, and articulate reports detailing cyber incidents, including incident summaries, analysis, findings, and recommendations

For that mission you’ll need:

• Proficiency in English; additional languages are a significant plus
• A minimum of 4 years of experience in fields related to anti-fraud, risk analytics, cybersecurity, or similar
• A Bachelor’s Degree or higher in a relevant field
• Deep understanding of the DarkNet and DeepWeb ecosystems
• Demonstrated ability to process and analyze data effectively; knowledge of database processing and scripting is highly valued
• A proactive, can-do attitude with a keen interest in combating cybercrime and fraud

Today’s world is crime-riddled. Criminals are everywhere, invisible, virtual and sophisticated. Traditional ways to prevent and investigate crime and terror are no longer enough…

Technology is changing incredibly fast. The criminals know it, and they are taking advantage. We know it too.

For 30 years, the incredible minds at

Our product:

Our analytics platform powers our portfolio. Data is growing rapidly and is highly fragmented across different departments, and organizations are looking to adopt open software to keep up with the pace of technology. These market shifts require security organizations to deploy an analytics platform that can connect different solutions from eitheror third parties to effectively develop new capabilities.

As a Cognyter you will:

• Design, develop and deploy microservices for handling and analyzing mass amounts of data over a distributed environment with a focus on high availability, low latency, and scalability
• Work using Scrum as a part of a friendly team
• Collaborate with Product Owners, Architects, and Software Engineers from several countries on your way to identify and solve challenging problems
• Take part in technical decisions and strategy to further the long-term product vision
• Contribute to the design, architecture and refactoring of the product
• Perform code reviews and mentor junior and mid-level engineers
• Have a strong passion for Java, you are an open-minded, tech-savvy developer who is enthusiastic about learning and working with a variety of technologies

For that mission you’ll need:

• At least 8 years’ hands-on experience in Java (Spring Framework an advantage)
• Hands-on experience building microservices in cloud (preferably GCP/AWS/Azure ) environments using cloud native technologies (such as: Kubernetes, Docker )
• Experience in designing and implementing large-scale distributed systems using technologies such as Apache Kafka, RabbitMQ , or similar
• Experience with both relational (preferably PostgreSQL/MySQL ) and NoSQL databases (such as: MongoDB )
• Experience with Elasticsearch (an advantage)
• Strong understanding of testing methodologies with a focus on ensuring code quality, reliability, and scalability in production environments
• Familiarity with AI/ML workloads execution (an advantage)

Apply now.