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Modern all-in-one software escrow solutions for agile development companies and their clients
Senior Frontend Developer
Location
Europe
Posted
76 days ago
Salary
10K - 100K / year
Seniority
Senior
No structured requirement data.
Job Description
Senior Frontend Developer
Codekeeper
Role Description As part of the development team, the Front End Developer shall focus on developing user interface components for our web application and ensuring that these components are robust and easy to maintain. The current tech stack for this position requires proficiency in JavaScript/TypeScript, CSS, and React, with the potential to expand as new technologies become available to the industry. The responsibilities of this position shall require close collaboration with the Design team and the other members of the Product team. In addition to core frontend skills, expertise in Cypress, Playwright, Storybook, Chromatic, or similar visual regression tools is essential, with a strong focus on testing and quality assurance. This position is designed for someone with substantial experience in both frontend development and testing. What You’ll Be Doing - UI/UX Development: Develop new user-facing features, build reusable components and libraries for future use. - Code Quality: Ensure UI/UX designs' technical feasibility, optimize applications for speed and scalability, and maintain coding standards. - Collaboration: Collaborate closely with design and backend teams for web application enhancement, participating in code reviews to uphold code quality. - Tech Stack: Address performance and scalability issues and convert complex Figma designs into CSS/JS code, primarily using JavaScript libraries like React, ensuring seamless backend integration. - Maintenance & Optimization: Maintain and improve existing codebases, ensuring standard adherence through peer code reviews. - Automated Testing: Take charge of automated testing processes, including writing and maintaining test scripts using tools like Cypress, Playwright, and Storybook, ensuring consistent quality and reliability. Qualifications - 5+ years of hands-on experience in JavaScript and core concepts - 5+ years of hands-on experience in TypeScript - 5+ years of experience with React and Single-Page Applications (SPA) - 3+ years of hands-on experience in HTML5, CSS3 - 3+ years of hands-on experience in GraphQL and Apollo - 2+ years of experience with modern CSS/SCSS/Less/CSS-in-JS development - Strong experience with visual regression tools such as Cypress, Playwright, Storybook, Chromatic, or similar - Experience with Ant Design or TailwindCSS - Excellent communication skills, team player, and service-oriented mindset - Passionate about software development - Able to take responsibility for the project - Region: Europe - CET (+1/-1) Nice to Have - Experience with data visualization frameworks such as Chart.js, Google Charts, etc. - Experience with AWS technologies - React Native How to Apply Please send an application that speaks directly to how you would like to fill this position. There are no right answers or expectations. Show us your role in our company’s future and our role in yours. Address some of the work we do. Introduce yourself as a colleague. Feel free to respond in either Dutch or English.
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Title: Senior Front End Engineer Location: Austin Location Austin ; D.C; Greater Boston; Rumford, RI; San Diego Employment Type Full time Location Type Hybrid Department Cloud Compensation - $140K – $175K • Offers Equity • Offers Bonus Our openings span more than one career level. The provided salary depends on many factors, such as work experience and transferable skills, business needs and impact, and mark Department: Cloud Job Description: About Us: Collaborative autonomy is how self-tasking teams of machines will solve hard human problems, and HavocAI is an unquestioned leader in collaborative autonomy. We set the standard for autonomous surface vessels for a wide range of defense and commercial maritime missions. Success requires us to grow quickly, and we’re looking for teammates who are passionate about solving hard problems, about pushing the envelope, and about preventing conflict and saving lives. Ambition is welcome to apply within. About Us Collaborative autonomy is how self-tasking teams of machines will solve hard human problems, and HavocAI is leading the way. We are building autonomous systems that operate across domains, delivering real-world impact in defense and commercial environments. As we scale, we are investing in high-performance user interfaces that enable operators to interact with complex, real-time systems. We are looking for individuals who are passionate about solving hard problems and building software that directly supports mission-critical operations. About the Role We are seeking a Senior Frontend Engineer to build and scale the user interfaces that power our platform. In this role, you will focus on developing high-performance, data-driven web applications, including map-based and visualization-heavy interfaces. You will work closely with backend, platform, and product teams to deliver reliable, scalable frontend systems that handle real-time data and complex workflows. This role is ideal for someone who is deeply technical, performance-focused, and excited about building systems that operate in real-world environments. What You’ll Do Build Frontend Systems - Develop scalable, performant user interfaces using React - Implement complex workflows and UI components for data-rich applications - Build interfaces that support real-time data and operational decision-making Data Integration and Performance - Integrate frontend systems with backend services via REST or GraphQL APIs - Optimize rendering performance for large datasets and real-time updates - Ensure responsive, reliable performance across devices and environments Architecture and Maintainability - Contribute to frontend architecture, including state management and data flow design - Build and maintain reusable component libraries and UI systems - Write clean, testable, and maintainable code Cross-Functional Collaboration - Partner with backend, platform, and product teams to deliver end-to-end features - Collaborate with UX/design to ensure high-quality implementation - Participate in code reviews, design discussions, and technical planning What We’re Looking For - 5–8+ years of experience in frontend engineering - Strong expertise in React and modern JavaScript (or TypeScript) - Experience building data-driven, high-performance web applications - Experience working with APIs and asynchronous data flows - Strong understanding of frontend architecture, state management, and performance optimization - Experience with modern frontend tooling and workflows - Ability to work in a fast-paced, collaborative environment Nice to Have - Experience building map-based or geospatial applications (Mapbox, Leaflet, Deck.gl) - Familiarity with WebGL or advanced visualization frameworks - Experience with automated testing frameworks (Jest, Cypress) - Understanding of design systems and reusable component architecture - Experience with real-time systems or data streaming applications What Success Looks Like (12 Months) - Scalable, high-performance frontend systems supporting real-world operations - Reliable, intuitive interfaces for complex data and workflows - Improved frontend performance and system responsiveness - Strong collaboration across engineering, product, and design - Reusable UI components and systems adopted across the platform Location This is a hybrid role, and candidates must be located within commuting distance of: - Austin, TX - Boston, MA - Providence, RI - San Diego, CA - Washington, D.C. 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Every day presents an opportunity to challenge the status quo, think boldly, and deliver advanced solutions that transform the future of defense technology. - Integrity: We hold ourselves to the highest ethical standards, ensuring transparency, accountability, and trust in all our actions and partnerships. - Mission-Driven: We are focused on achieving impactful outcomes that align with our core mission—protecting lives through innovation. - Forward-Leaning: We continuously seek out new opportunities and remain at the forefront of technological advancements. We embrace change and anticipate the challenges of tomorrow with confidence and creativity. - Ownership of All Tasks: At HavocAI, no problem is too complex or too trivial. We believe that greatness comes from tackling the hardest challenges, but also in handling the smallest, sometimes thankless, tasks with the same level of commitment and care. - Servant Leadership: We lead by serving others, whether it’s supporting our employees, partners, or the broader community. Empowering those around us is key to achieving long-term success and making a lasting impact. HavocAI is an Equal Opportunity Employer and is committed to creating an inclusive and diverse workplace. We welcome applicants from all backgrounds and do not discriminate based on race, color, religion, gender, sexual orientation, age, national origin, disability, veteran status, or any other legally protected status.



