Frontend / FullStack Developer

About Us:
AmpsTek – a global technology leader since 2013 – is transforming how businesses approach technology and staffing solutions. Founded by seasoned technology leaders across the UK, Europe, APAC, North America, and LATAM, and with registered offices in 30+ countries, we deliver exceptional service, scalable solutions, and measurable impact.
With a portfolio of 200+ clients and millions of users across web and mobile platforms, we empower businesses to innovate, grow, and succeed.Join our team and be part of a dynamic, growth-oriented organization that values talent, creativity, and results.
Role : Frontend / FullStack DeveloperLocation : San Jose, Costa Rica (Hybrid 2 days onsite/week)Client : InfosysContract
Role OverviewWe are seeking experienced Senior Software Engineers with strong front-end and full-stack development expertise to design, develop, and maintain modern web applications and APIs supporting Ninja Online pre-sales solutions. The ideal candidate will be passionate about scalable software, modern UI frameworks, cloud-native development, and Agile delivery methodologies.Key ResponsibilitiesDevelop and enhance responsive web applications using React, TypeScript, and modern JavaScript frameworks.Design and implement Single Page Applications (SPA) and Micro Frontend (MFE) architectures.Develop and maintain backend services and APIs using FastAPI, Node.js, Python, and C#.Collaborate with Product Owners and Scrum teams to deliver user stories, epics, and backlog items.Participate in Agile ceremonies including Sprint Planning, Daily Standups, Reviews, and Retrospectives.Build scalable, secure, and maintainable software solutions.Contribute to CI/CD initiatives and DevOps best practices.Create technical documentation and support knowledge-sharing activities.Work closely with QA engineers to ensure product quality and reliability.Support ongoing innovation initiatives, including AI-enabled development practices where applicable.
Required Skills & QualificationsTechnical SkillsJavaScript, React, TypeScript, Node.jsHTML5, CSS3, Responsive UI DesignSingle Page Applications (SPA)Micro Frontends (MFE)Jotai State ManagementFastAPI and API DevelopmentPythonC#GitHub and Git-based workflowsDockerElasticSearchPostmanGrommet UI Framework
Additional Skills for Full Stack EngineerAWS Cloud ServicesBackend Architecture and API DesignSystem Integration and Performance Optimization