Senior Software Engineer

• Privacy Information We and our partners are using tracking technologies to process personal data in order to improve your experience. You may always exercise your consumer right to opt-out. For detailed information about personal information we collect and third parties having access to it, please select ‘More Information’ or refer to our privacy policy.Senior Software Engineer page is loaded## Senior Software Engineerremote type : Hybridlocations : Portugal - Lisbon Officetime type : Full timeposted on : Posted Todayjob requisition id : JR Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities — from code and dependencies to containers and cloud.Our mission is to empower every developer to innovate securely in the AI era — boosting productivity while reducing business risk. We’re not your average security company - we build Snyk on One Team, Care Deeply, Customer Centric, and Forward Thinking.It’s how we stay driven, supportive, and always one step ahead as AI reshapes our world.As a Senior Software Engineer at Snyk, building our Snyk API and Web Product, you won’t just write code — you’ll help shape the future of developer-first security. You will play a pivotal role in our Frontend team, tasked with building consistent, high-quality, and scalable user interfaces. You will join a world-class team that champions psychological safety and diversity of thought, providing a safe place to grow, experiment, and dream big.This is a unique opportunity to define the architectural patterns for complex applications that handle massive datasets, ensuring that millions of developers can secure their code efficiently. If you are passionate about design systems, developer experience, and dissecting ambiguous problems to find pragmatic solutions, this role is for you. What You’ll Do : • Architect Scalable Frontend Solutions : Design and build reusable UI components and platform utilities that enable product teams to deliver features faster and more consistently.• Drive Performance & Scalability : Implement strategies for handling large datasets, ensuring optimal rendering performance for our users.• Enhance Developer Experience : Create ergonomic APIs, custom hooks, and comprehensive documentation to make platform tools easy for other engineers to discover, use, and update.• Collaborate Cross-Functionally : Partner with backend teams to define API contracts that support complex UI needs and work with designers to translate mockups into robust, accessible components.• Elevate Code Quality & Security : Lead the charge on frontend security and enforce rigorous testing strategies• Mentor & Lead : Guide other engineers through complex technical challenges, fostering a culture of "One Team" What You Bring : • Deep Expertise in JavaScript / TypeScript : You possess a deep understanding / or have mastery of the language’s internal mechanics and architectural patterns, allowing you to craft solutions that are performant, robust, and maintainable.• Advanced React Proficiency : You have extensive experience with the React ecosystem and are up-to-date with modern features• System Design Thinking : You can deconstruct ambiguous requirements into concrete technical designs, weighing trade-offs between different approaches • Architectural Experience : You have a track record of building complex SPAs, managing application state (persistence, authentication flow), and optimizing bundle sizes.• Strong Communication : You are an active listener who asks insightful clarifying questions, validates assumptions, and incorporates feedback collaboratively. It’d Be Awesome If You Also… • Have a keen interest in AI-powered security and building tools that change the game.• Have an understanding of browser internals and web security mechanisms.• Bring a sense of humour — we take our mission seriously, but not ourselves!#LI-CR1 #LI-Hybrid*We care deeply about the warm, inclusive environment we’ve created and we value diversity – we welcome applications from those typically underrepresented in tech. If you like the sound of this role but are not totally sure whether you’re the right person, do apply anyway! About Snyk Snyk is committed to creating an inclusive and engaging environment where our employees can thrive as we rally behind our common mission to make the digital world a safer place. From Snyk employee resource groups, to global benefits that help our employees prioritize their health, wellness, financial security, and a work / life blend, we aim to support our employees along their entire journeys here at Snyk. Benefits & Programs Prioritize health, wellness, financial security, and life balance with programs tailored to your location and role.- Flexible working hours, work-from home allowances, in-office perks, and time off for learning and self development- Generous vacation and wellness time off, country-specific holidays, and 100% paid parental leave for all caregivers- Health benefits, employee assistance plans, and annual wellness allowance- Country-specific life insurance, disability benefits, and retirement / pension programs, plus mobile phone and education allowances

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