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Senior Application Security Analyst leads advanced security testing, threat modeling, and mentorship for web, mobile, API, and AI/LLM systems at a cloud archiving and compliance-focused enterprise.
Senior Java Developer (k/m) 📍 Warszawa / hybrydowo (1–3 dni w biurze preferowane) 🕒 B2B | full time | Długofalowa współpraca 130-150PLN netto/h O projekcie Poszukujemy doświadczonego Senior Java Developera , który…
Design AI-first security controls, automate guardrails for LLM tools, and embed security into cloud and AI workflows for a global commerce network.
Designs and automates AI-first security controls, guardrails, and monitoring for an e-commerce platform, integrating LLM layers with SIEM/CSPM tooling to protect AI-powered products and workforce workflows.
Perform network and web application penetration tests using tools like Burp Suite, Nessus, and Metasploit to identify security weaknesses in client systems.
Drive secure software development by integrating security into CI/CD, performing assessments, and mentoring teams on secure coding and threat modeling.
DevSecOps Architect designs and implements a secure software development lifecycle (SSDLC) for an insurance-focused client, integrating security tools and coaching teams on secure coding and cloud-native practices.
Evaluates and validates security vulnerabilities from researchers for HackerOne’s AI-powered offensive security platform, ensuring customers’ web/mobile apps are secure by reproducing bugs, scoring risks (CVSS), and guiding remediation—collaborating with hackers and cross-functional teams.
Build and embed secure-by-design practices into Jusbrasil’s B2B products, leading threat modeling, SSO/auth integration, and AppSec reviews while partnering with engineering teams.
Build and maintain cloud-based financial services platforms using Java, Spring Boot, and microservices for major banking clients.
Manual QA engineer testing web, API, and mobile apps, using AI tools and SQL, within Agile teams.
Czym będziesz się zajmować? Responsibilities: Monitor and assess cloud security posture across AWS, Azure and GCP. Deploy and maintain CNAPP, vulnerability detection, WAF and firewall capabilities. Develop automation…
Assess and secure applications and supply-chain dependencies against threats, performing code reviews, vulnerability scanning, and risk mitigation for a global data provider.
Build and own full-stack features for a fintech SaaS that delivers digital financial advice and adviser tools using Node.js, React, TypeScript, AWS serverless, and IaC.
Build and maintain Java-based backend systems for Hubject’s eMobility eRoaming platform, using Spring Boot, AWS, and microservices to power global charging services.
Build and maintain enterprise-grade Java/Spring Boot microservices and Angular/React frontends for Citi’s financial platforms, using Docker, OpenShift, and CI/CD pipelines.
Lead .NET developer designing and evolving microservices for a bank’s backend using C#, .NET Core, Clean Architecture, and DDD while mentoring a team and ensuring regulatory compliance.
Designs and maintains cloud-native SaaS platforms using Kubernetes, Docker, Terraform, and CI/CD pipelines, ensuring scalability, security, and high availability for legal-tech customers.
Build and deploy production-grade AI systems for manufacturers, focusing on robust back-end services and cloud infrastructure to run real-world use cases on plant floors.
The opportunity Who we are x15ventures operates in the space between corporate and startup. We help build and scale digital ventures, giving teams the freedom to move quickly while maintaining the security, safety and…
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