Senior Front end Developer

Senior Front End DeveloperFront-End Expert (80%) with Backend Development Capabilities (20%)We’re partnering with Pluvo, a growing fintech startup, to find an experienced Senior Full Stack Developer to join their team at a critical stage of scale.If you love solving complex performance challenges, optimizing systems for scale, and working with cutting-edge technologies — this role is your chance to make a direct impact on a product used by finance teams every day.Your Role & OwnershipTechnical Leadership & ArchitectureDefine and drive the front-end technical strategy and architecture decisionsOwn the entire front-end codebase, component library, and design systemEstablish front-end best practices, coding standards, and development workflowsMake critical technology decisions that shape the product's futureLead technical discussions with Product, Design, and Backend teamsBuilding Data-Intensive InterfacesBuild and optimize complex data grid interfaces displaying large financial datasetsImplement sophisticated table components with sorting, filtering, grouping, and real-time updatesCreate intuitive financial dashboards with interactive charts and data visualizations showing forecasts, scenarios, and variance analysisBuild compelling visual representations of financial data using modern charting libraries (line charts, bar charts, waterfall charts, heatmaps, etc.)Handle client-side data transformations and state management for complex financial calculationsOptimize rendering performance for data-heavy visualizations with millions of data pointsModern Component SystemsDevelop and maintain reusable, composable component systems using Next.js and React best practicesBuild pixel-perfect interfaces from Figma designs with meticulous attention to detailImplement and evolve the design system for consistency across the applicationCreate beautiful, accessible UI using Tailwind CSS utility-first approachPerformance & User ExperienceOwn front-end performance - optimize rendering for data-heavy financial calculations and visualizationsImplement smart caching strategies and memoization for complex component treesEnsure buttery-smooth interactions even with millions of data pointsBuild intuitive user flows that make complex financial operations feel simpleChampion accessibility and best practices across all interfacesBackend Development & API IntegrationBuild lightweight Node.js endpoints and API routes when needed to support front-end featuresCollaborate closely with Back end team to define API contracts and data structuresDevelop serverless functions or Next.js API routes for data processing and third-party integrationsWrite SQL queries and work with databases (PostgreSQL) for data retrieval and manipulationConsume RESTful and GraphQL APIs effectively with proper error handling and loading statesUnderstand backend data models to build efficient front-end data flowsContribute to API design discussions from a front-end perspectiveTroubleshoot integration issues and optimize data fetching patternsTeam Collaboration & MentorshipWork closely with Product and Design to translate vision into technical executionMentor and guide junior developers as the team growsConduct code reviews and elevate the overall code qualityContribute to hiring and building the front-end teamFoster a culture of excellence in front-end developmentRequirements5+ years of professional front-end development experience with production React applicationsProven experience owning front-end codebases and making architectural decisions independentlyExpert-level proficiency in React and Next.js - you understand React internals, hooks patterns, and performance optimization deeplyDeep TypeScript expertise - you write type-safe code and leverage advanced TypeScript featuresStrong Tailwind CSS skills - you can rapidly build responsive, beautiful interfaces with utility classesExperience building complex data grid systems - you've worked with large datasets, virtual scrolling, and high-performance table renderingStrong product sense - you think about user experience and can push back constructively on designsProven track record shipping polished, production-ready UIs with excellent attention to detailStrong understanding of modern JavaScript (ES6+), async patterns, and browser APIsExperience with state management solutions (Context API, Zustand, Redux, or similar)Solid understanding of responsive design, CSS Grid, Flexbox, and mobile-first developmentStrong API consumption skills - you know how to work effectively with RESTful and GraphQL APIsPractical backend experience - comfortable writing Node.js code, API routes, and basic SQL queries when neededExperience with Git/GitHub workflows and collaborative developmentExcellent communication skills and ability to work independently in a fast-paced environmentEntrepreneurial mindset - you thrive with autonomy and can drive initiatives from concept to completionNice to HavesExperience with AG Grid or similar enterprise data grid libraries (Tanstack Table, React Data Grid)Familiarity with ShadCN/ui component library for building accessible, customizable componentsExperience with Express.js or other Node.js frameworks for building more complex APIsExperience working with PostgreSQL or other relational databases at scaleUnderstanding of database design, indexing, and query optimizationExperience with Radix UI primitives and building accessible UI componentsKnowledge of data visualization libraries (Recharts, D3, Chart.js, or similar)Experience building financial software, dashboards, or BI toolsFamiliarity with fintech or FP&A platforms (Runway, Vena, Datarails)Experience with animation libraries (Framer Motion, React Spring)Knowledge of testing frameworks (Jest, React Testing Library, Playwright, Cypress)Experience with tRPC for end-to-end typesafe APIsExperience building and documenting design systems (Storybook)Previous experience at a high-growth startupFamiliarity with CI/CD pipelines and deployment workflowsExperience with AWS services (Lambda, RDS, S3) or similar cloud platforms #J-18808-Ljbffr