{"id":12975,"date":"2026-05-26T11:45:10","date_gmt":"2026-05-26T11:45:10","guid":{"rendered":"https:\/\/gapstars.net\/tech\/career-listings\/job-1506\/"},"modified":"2026-07-22T10:00:12","modified_gmt":"2026-07-22T04:30:12","slug":"job-1506","status":"publish","type":"career-listings","link":"https:\/\/gapstars.net\/tech\/career-listings\/job-1506\/","title":{"rendered":"ATL\/TL &#8211; Node.js\/React.js"},"content":{"rendered":"<p><strong>About Gapstars<\/strong><\/p>\n<p><em>At Gapstars, we partner with some of Europe&#8217;s most ambitious companies, from disruptive tech startups to established Benelux accounting firms, helping them build high-performing teams in engineering and finance.<\/p>\n<p>Headquartered in the Netherlands, with talent hubs in Sri Lanka and Portugal, we are home to 300+ professionals who thrive on solving real-world challenges with modern solutions. Our teams work across domains, from networking, marketplaces, SaaS, and AI to embedded finance and accounting, delivering scalable solutions that drive meaningful outcomes.<\/em><\/p>\n<p>\u00a0<\/p>\n<p><strong>Job Overview<\/strong><\/p>\n<p>At Gapstars, our goal is to fuel growth for highly ambitious tech companies with world-class tech talent. We are looking for a Senior Full Stack\u00a0Developer\u00a0\u00a0with a keen interest in the development of modern web platforms, as well as the ambition for personal growth and innovation. As part of a cross-functional team, you\u2019ll be taking a lead on some of the most important and core parts of our platform. The ideal candidate will have extensive experience in building large-scale SaaS applications, leading development teams, and implementing best practices in code quality, security, and scalability.<\/p>\n<p><strong><u>Key Responsibilities<\/u><\/strong><\/p>\n<ul>\n<li>\n<p>Develop and maintain high-performance web applications using React.js, Node.js, and MongoDB (or other NoSQL Databases)<\/p>\n<li>\n<p>Design and implement scalable, maintainable, and reusable front-end and back-end components<\/p>\n<li>\n<p>Architect, develop, and optimize RESTful APIs and backend services<\/p>\n<li>\n<p>Implement authentication and security mechanisms (JWT, OAuth) to protect application data<\/p>\n<li>\n<p>Work closely with UI\/UX designers to create intuitive and visually appealing user interfaces<\/p>\n<li>\n<p>Optimize application performance by implementing best practices<\/p>\n<li>\n<p>Lead and mentor junior developers, conduct code reviews, and enforce coding standards<\/p>\n<li>\n<p>Conduct Unit Testing and Integration Testing using Jest to ensure software reliability<\/p>\n<li>\n<p>Work in an Agile\/Scrum environment, collaborating with cross-functional teams to deliver high-quality products on schedule<\/p>\n<li>\n<p>Lead and contribute to the entire software development life-cycle, from ideation and planning to implementation, testing, deployment, and maintenance<\/p>\n<li>\n<p>Refactor and optimize existing code base to improve performance, reliability, and maintainability<\/p>\n<li>\n<p>Take ownership of key modules or components, ensuring their stability, security, and seamless integration with the overall system<\/p>\n<li>\n<p>Collaborate closely with cross-functional teams (product, design, and other engineering teams) to translate requirements into technical solutions<\/p>\n<\/ul>\n<p>\u00a0<\/p>\n<p dir=\"ltr\"><strong>Technical Skills<\/strong><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Expertise in React.js and its core principles (Hooks, Context API, Component Lifecycle) and<a href=\"http:\/\/node.js\/\" target=\"_blank\" rel=\"noopener\"> <\/a>Node.js (Express.js, RESTful APIs, WebSockets, Authentication, Performance Optimization, Asynchronous Programming, Database Integration \u2013 NoSQL)<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Strong knowledge of JavaScript (ES6+), TypeScript, and modern front-end development techniques<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Proficiency in Redux (or Context API) for state management<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Strong UI\/UX understanding, experience with styled-components<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Experience in writing custom hooks and reusable components<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Strong experience in\u00a0Node.js and<a href=\"http:\/\/express.js\/\" target=\"_blank\" rel=\"noopener\">\u00a0<\/a>\u00a0Express.js<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Deep understanding of RESTful APIs and their design principles<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Expertise in authentication and security implementation (JWT, OAuth)<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Expertise in MongoDB (Schema design, Aggregation, Indexing, Projection)<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Experience in Unit Testing &#038; Integration Testing (Jest)<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Writing clean, maintainable, and scalable code following SOLID principles<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Familiarity with Linting tools (ESLint, Prettier) and static code analysis<\/p>\n<\/ul>\n<p dir=\"ltr\">\u00a0<\/p>\n<p dir=\"ltr\"><strong>Experience &#038; Qualifications<\/strong><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\">6+ years of professional experience in React.js and Node.js<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Experience in designing and architecture of scalable, maintainable, and high-performance systems for fulfilling product requirements<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Proven experience working on complex SaaS large-scale applications<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Familiarity with Agile\/Scrum methodologies<\/p>\n<\/ul>\n<p dir=\"ltr\">\u00a0<\/p>\n<p dir=\"ltr\"><strong>Soft Skills<\/strong><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Excellent problem-solving and debugging skills<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Strong communication and leadership skills<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Ability to work in a fast-paced environment<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Strong analytical and decision-making skills<\/p>\n<\/ul>\n<p dir=\"ltr\">\u00a0<\/p>\n<p dir=\"ltr\"><strong>Bonus Skills (Optional)<\/strong><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Experience with AI\/ML implementation<\/p>\n<li dir=\"ltr\">\n<p dir=\"ltr\">Experience working with mobile app development (React Native)<\/p>\n<\/ul>\n<p dir=\"ltr\">Hands-on experience with Serverless frameworks (AWS Lambda, Firebase Functions)<\/p>\n<p dir=\"ltr\">\n<p><em><strong>Perks &#038; Benefits<\/strong><\/em><\/p>\n<p dir=\"ltr\"><em>We believe taking care of our people is non-negotiable. Here&#8217;s what being a Star means:<\/em><\/p>\n<ul>\n<li><em><strong>Wellbeing first:\u00a0<\/strong>Comprehensive health cover, surgical &#038; hospitalization benefits, and access to therapy &#038; counseling services<\/em>\n<li><em><strong>Work-life essentials:\u00a0<\/strong>24h continuous internet and power facility, shuttle service, and a gym membership to keep you moving<\/em>\n<li><em><strong>Everyday comforts:\u00a0<\/strong>Unlimited tea &#038; coffee facilities along with snacks &#038; drinks.<\/em>\n<li><em><strong>Growth, always:<\/strong>\u00a0Personal Development Plans through Gapstars Academy, cross-functional learning via StarTalks, and opportunities for overseas travel and training<\/em>\n<li><em><strong>Life&#8217;s milestones, celebrated:<\/strong>\u00a0Birthday vouchers, wedding and childbirth gifts, anniversary treats, and more, because we celebrate our Stars at every stage<\/em>\n<li><em><strong>Community &#038; culture:<\/strong>\u00a0Sports clubs, company events, tournaments, and parties that make Gapstars feel like home<\/em><\/ul>\n<p>Gapstars is committed to a diverse and inclusive workplace. We are an equal-opportunity employer and do not discriminate based on race, national origin, gender, disability, or age. Your personal information collected during the application process is handled following our privacy policy and used exclusively for recruitment and hiring purposes.<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"content-type":"","role":"ATL\/TL - Node.js\/React.js","location":"Sri Lanka","about_gapstars":"<p><strong>About Gapstars<\/strong><\/p><p><em>At Gapstars, we partner with some of Europe's most ambitious companies, from disruptive tech startups to established Benelux accounting firms, helping them build high-performing teams in engineering and finance.<br><br>Headquartered in the Netherlands, with talent hubs in Sri Lanka and Portugal, we are home to 300+ professionals who thrive on solving real-world challenges with modern solutions. Our teams work across domains, from networking, marketplaces, SaaS, and AI to embedded finance and accounting, delivering scalable solutions that drive meaningful outcomes.<\/em><\/p><p>\u00a0<\/p><p><strong>Job Overview<\/strong><\/p><p>At Gapstars, our goal is to fuel growth for highly ambitious tech companies with world-class tech talent. We are looking for a Senior Full Stack\u00a0Developer\u00a0\u00a0with a keen interest in the development of modern web platforms, as well as the ambition for personal growth and innovation. As part of a cross-functional team, you\u2019ll be taking a lead on some of the most important and core parts of our platform. The ideal candidate will have extensive experience in building large-scale SaaS applications, leading development teams, and implementing best practices in code quality, security, and scalability.<\/p>","requirements":"<p><strong><u>Key Responsibilities<\/u><\/strong><\/p><ul>\t<li>\t<p>Develop and maintain high-performance web applications using React.js, Node.js, and MongoDB (or other NoSQL Databases)<\/p>\t\t<li>\t<p>Design and implement scalable, maintainable, and reusable front-end and back-end components<\/p>\t\t<li>\t<p>Architect, develop, and optimize RESTful APIs and backend services<\/p>\t\t<li>\t<p>Implement authentication and security mechanisms (JWT, OAuth) to protect application data<\/p>\t\t<li>\t<p>Work closely with UI\/UX designers to create intuitive and visually appealing user interfaces<\/p>\t\t<li>\t<p>Optimize application performance by implementing best practices<\/p>\t\t<li>\t<p>Lead and mentor junior developers, conduct code reviews, and enforce coding standards<\/p>\t\t<li>\t<p>Conduct Unit Testing and Integration Testing using Jest to ensure software reliability<\/p>\t\t<li>\t<p>Work in an Agile\/Scrum environment, collaborating with cross-functional teams to deliver high-quality products on schedule<\/p>\t\t<li>\t<p>Lead and contribute to the entire software development life-cycle, from ideation and planning to implementation, testing, deployment, and maintenance<\/p>\t\t<li>\t<p>Refactor and optimize existing code base to improve performance, reliability, and maintainability<\/p>\t\t<li>\t<p>Take ownership of key modules or components, ensuring their stability, security, and seamless integration with the overall system<\/p>\t\t<li>\t<p>Collaborate closely with cross-functional teams (product, design, and other engineering teams) to translate requirements into technical solutions<\/p>\t<\/ul><p>\u00a0<\/p><p dir=\"ltr\"><strong>Technical Skills<\/strong><\/p><ul>\t<li dir=\"ltr\">\t<p dir=\"ltr\">Expertise in React.js and its core principles (Hooks, Context API, Component Lifecycle) and<a href=\"http:\/\/node.js\/\"> <\/a>Node.js (Express.js, RESTful APIs, WebSockets, Authentication, Performance Optimization, Asynchronous Programming, Database Integration \u2013 NoSQL)<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Strong knowledge of JavaScript (ES6+), TypeScript, and modern front-end development techniques<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Proficiency in Redux (or Context API) for state management<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Strong UI\/UX understanding, experience with styled-components<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Experience in writing custom hooks and reusable components<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Strong experience in\u00a0Node.js and<a href=\"http:\/\/express.js\/\">\u00a0<\/a>\u00a0Express.js<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Deep understanding of RESTful APIs and their design principles<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Expertise in authentication and security implementation (JWT, OAuth)<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Expertise in MongoDB (Schema design, Aggregation, Indexing, Projection)<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Experience in Unit Testing & Integration Testing (Jest)<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Writing clean, maintainable, and scalable code following SOLID principles<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Familiarity with Linting tools (ESLint, Prettier) and static code analysis<\/p>\t<\/ul><p dir=\"ltr\">\u00a0<\/p><p dir=\"ltr\"><strong>Experience & Qualifications<\/strong><\/p><ul>\t<li dir=\"ltr\">\t<p dir=\"ltr\">6+ years of professional experience in React.js and Node.js<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Experience in designing and architecture of scalable, maintainable, and high-performance systems for fulfilling product requirements<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Proven experience working on complex SaaS large-scale applications<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Familiarity with Agile\/Scrum methodologies<\/p>\t<\/ul><p dir=\"ltr\">\u00a0<\/p><p dir=\"ltr\"><strong>Soft Skills<\/strong><\/p><ul>\t<li dir=\"ltr\">\t<p dir=\"ltr\">Excellent problem-solving and debugging skills<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Strong communication and leadership skills<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Ability to work in a fast-paced environment<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Strong analytical and decision-making skills<\/p>\t<\/ul><p dir=\"ltr\">\u00a0<\/p><p dir=\"ltr\"><strong>Bonus Skills (Optional)<\/strong><\/p><ul>\t<li dir=\"ltr\">\t<p dir=\"ltr\">Experience with AI\/ML implementation<\/p>\t\t<li dir=\"ltr\">\t<p dir=\"ltr\">Experience working with mobile app development (React Native)<\/p>\t<\/ul><p dir=\"ltr\">Hands-on experience with Serverless frameworks (AWS Lambda, Firebase Functions)<\/p><p dir=\"ltr\"><br><br><em><strong>Perks & Benefits<\/strong><\/em><\/p><p dir=\"ltr\"><em>We believe taking care of our people is non-negotiable. Here's what being a Star means:<\/em><\/p><ul>\t<li><em><strong>Wellbeing first:\u00a0<\/strong>Comprehensive health cover, surgical & hospitalization benefits, and access to therapy & counseling services<\/em>\t<li><em><strong>Work-life essentials:\u00a0<\/strong>24h continuous internet and power facility, shuttle service, and a gym membership to keep you moving<\/em>\t<li><em><strong>Everyday comforts:\u00a0<\/strong>Unlimited tea & coffee facilities along with snacks & drinks.<\/em>\t<li><em><strong>Growth, always:<\/strong>\u00a0Personal Development Plans through Gapstars Academy, cross-functional learning via StarTalks, and opportunities for overseas travel and training<\/em>\t<li><em><strong>Life's milestones, celebrated:<\/strong>\u00a0Birthday vouchers, wedding and childbirth gifts, anniversary treats, and more, because we celebrate our Stars at every stage<\/em>\t<li><em><strong>Community & culture:<\/strong>\u00a0Sports clubs, company events, tournaments, and parties that make Gapstars feel like home<\/em><\/ul>Gapstars is committed to a diverse and inclusive workplace. We are an equal-opportunity employer and do not discriminate based on race, national origin, gender, disability, or age. Your personal information collected during the application process is handled following our privacy policy and used exclusively for recruitment and hiring purposes.","recruitee_id":"1506"},"career-location":[53],"career-type":[30],"technologies":[],"class_list":["post-12975","career-listings","type-career-listings","status-publish","hentry","career-location-colombo","career-type-tech"],"acf":[],"_links":{"self":[{"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/career-listings\/12975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/career-listings"}],"about":[{"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/types\/career-listings"}],"wp:attachment":[{"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/media?parent=12975"}],"wp:term":[{"taxonomy":"career-location","embeddable":true,"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/career-location?post=12975"},{"taxonomy":"career-type","embeddable":true,"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/career-type?post=12975"},{"taxonomy":"technologies","embeddable":true,"href":"https:\/\/gapstars.net\/tech\/wp-json\/wp\/v2\/technologies?post=12975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}