Senior Full Stack Developer – Build External Integrations for Venari Platform (Contract Opportunity)

Venari Security is seeking an experienced Full Stack Developer (Contractor / Independent Consultant) to lead the development of external integrations and accelerate the evolution of our Adaptive Cryptographic Intelligence Platform. In this project-based role, you will design and implement secure, scalable APIs that enable seamless interoperability with major third‑party systems, expanding the platform’s cryptographic discovery and intelligence capabilities. You will also contribute to frontend development by building intuitive configuration menus and user interfaces that make integration setup and management simple and efficient for end users. You will work closely with product managers, backend and frontend engineers, and infrastructure teams to deliver integration capabilities that are robust, maintainable, and aligned with the platform’s long‑term architecture and usability goals. Scope of Work • Design and implement APIs to support external integrations. • Integrate with external Cyber Security Systems such as CMDBs, SIEM tools, Vulnerability management ensuring reliability and performance. • Develop secure authentication and authorization flows using OAuth2, SSO, and role-based access control. • Architect and build microservices that are modular, scalable, and maintainable. • Build frontend configuration menus and UI components to allow users to manage integration settings and workflows. • Implement caching strategies, error handling, and logging for production-grade reliability--- Deliverables • Fully functional backend services and APIs for integrations • Authentication and authorization modules (OAuth2, SSO) • Microservices architecture documentation and implementation • Frontend components for integration configuration • CI/CD pipeline configuration and deployment scripts • Automated test coverage for backend and frontend components • Technical documentation for integrations and system design Requirements • Minimum 7 years of experience in Full Stack development for SaaS platforms • Strong proficiency in Spring Boot, Kotlin, and API development (REST, GraphQL, Webhooks) • Solid understanding of microservices architecture, system design, and secure backend practices • Experience with CI/CD, TDD, and automated testing frameworks • Familiarity with OAuth2, SSO, and caching mechanisms • Experience with ReactJS or similar frontend frameworks for building configuration UIs • Ability to work independently and collaborate effectively with cross-functional teams Preferred Skills • Experience with data pipelines and technologies such as Kafka, CrateDB, and PostgreSQL • Hands-on experience with Docker and Kubernetes for containerization and orchestration • Exposure to frontend design systems and UX principles • Knowledge of Agile development processes and iterative delivery Engagement Details • Contract Type: Project-based (Independent Consultant / Contractor) • Duration: Estimated 12 - 16 weeks (subject to scope refinement) • Location: Hybrid • Start Date: ASAP About Venari Security Venari Security provides organisations with advanced visibility into their encrypted attack surface, ensuring regulatory compliance and privacy adherence through our cryptographic discovery tool. Our focus is on crypto agility which helps you assess both external and internal cryptographic risks, preparing your business now and for the quantum future.