javascript developer

Client Server

<div>
 
 
 
 Full Stack Developer / Engineer (Kotlin AWS JavaScript) Amsterdam to &euro;85,000
 
 
 
 
 
 
 
 Are you a skilled Full Stack Developer looking for an opportunity to progress your career whilst working with a modern tech stack and continually improving your skills?
 
 
 
 
 
 You could be joining a scaling, global FinTech company, working on a successful product that helps global companies to achieve sustainability and NetZero targets via Blockchain technology solutions.
 
 
 
 
 
 As a Full Stack Developer you will work across the full technology stack with a focus on Kotlin backend systems but also with some front end (JavaScript, Angular / React) work. You'll quickly gain an understanding of the complete ecosystem of the modern, distributed application with a broad scope of work including AWS, mobile applications, trading and transfer functionality and integration of 3rd party platforms.
 
 
 
 
 
 This is an opportunity to work on worthwhile technology that is helping to increase decarbonisation whilst working on complex and interesting systems with continual learning opportunities.
 
 
 
 
 
 
 WFH Policy:
 
 
 
 You'll join colleagues in the Amsterdam office two days a week with flexibility to work from home the other three days.
 
 
 
 
 
 
 About you:
 
 
 <ul>
 <li>
 You have strong serverside Kotlin experience (Java background is good)
 </li>
 <li>
 You have experience with Spring Boot and microservices
 </li>
 <li>
 You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures
 </li>
 <li>
 You have a good knowledge of AWS
 </li>
 <li>
 You have a good understanding of CI/CD, DevOps
 </li>
 <li>
 You also have some JavaScript, Angular, React front end skills
 </li>
 <li>
 You're collaborative, enjoy problem solving and continually learning
 </li>
 <li>
 You're keen to work in a start-up / scale-up environment with lots of ownership
 </li>
 </ul>
 
 
 
 
 
 What's in it for you:
 
 
 <ul>
 <li>
 Salary to &euro;85,000
 </li>
 <li>
 Flexible working in a relaxed technology focussed environment
 </li>
 <li>
 Continual learning and self-development opportunities
 
 
 </li>
 </ul>
 
 
 
 
 
 Apply now
 
 to find out more about this Full Stack Developer / Engineer (Kotlin AWS JavaScript) opportunity.
 
</div>

Full Stack Developer Kotlin AWS JavaScript - Start-up

CareerSwift

<div><h2 class="jobSectionHeader">Job Description</h2>
We are hiring a Frontend Developer to build and maintain responsive, high-performance web applications using React. You will collaborate with designers and backend engineers to implement new features, optimize UI performance, and write clean, maintainable code. Requires 3+ years of experience with React, JavaScript/TypeScript, modern CSS frameworks, and REST/GraphQL API integration.<h2 class="jobSectionHeader">
Job Overview</h2>
Seniority Level: Middle</div>

Frontend Developer (React) Junior/Mid

Opus Recruitment Solutions

<div>
 
 Freelance: Full‑Stack Developer (Insurance Experience Required)
 
 
 Start Date: 20/07/26
 
 
 Duration: 6 Months (extension highly likely)
 
 
 Location: London (Fully Remote)
 
 
 Capacity: 40 hours per week
 
 
 
 
 
 
 About the Role
 
 
 
 We&rsquo;re looking for an experienced Full‑Stack Developer with Insurance domain expertise to support the development and scaling of a high‑growth digital platform within the insurance sector.
 
 
 You will work across both frontend and backend layers, collaborating closely with product, design, and engineering teams to deliver robust, scalable, and high‑performance solutions.
 
 
 A key focus of the role will be building modern user interfaces (Vue.js) while contributing to backend services, APIs, and architecture that support complex insurance workflows and data models.
 
 
 
 
 
 
 Key Responsibilities
 
 
 
 
 
 
 Design, develop, and maintain full‑stack applications across frontend and backend layers.
 
 
 Build modern, responsive frontend applications using Vue.js.
 
 
 Develop and maintain backend services and APIs to support business logic and integrations.
 
 
 Work with insurance-related systems, data structures, and workflows (e.g. policies, claims, underwriting).
 
 
 Collaborate with product managers, designers, and other developers to deliver high‑quality features.
 
 
 Integrate frontend components with backend services and third‑party APIs.
 
 
 Contribute to architectural decisions across the full technology stack.
 
 
 Identify and resolve performance, scalability, and UI/UX issues.
 
 
 Ensure code quality through best practices, testing, and code reviews.
 
 
 Support the continuous improvement of development processes and system reliability.
 
 
 
 
 
 
 Required Skills
 
 
 
 
 
 
 Strong commercial experience as a Full‑Stack Developer.
 
 
 Proven experience working within the insurance domain (mandatory).
 
 
 Strong frontend expertise with Vue.js (Vue 2 and/or Vue 3). (other frontend technologies feel free to apply)
 
 
 Proficiency in JavaScript and TypeScript.
 
 
 Backend development experience (e.g. Node.js, Java, or similar).
 
 
 Experience designing and consuming RESTful and/or GraphQL APIs.
 
 
 Knowledge of state management (Vuex, Pinia, etc.).
 
 
 Solid understanding of HTML5, CSS3, and responsive design principles.
 
 
 Familiarity with databases (SQL and/or NoSQL).
 
 
 Experience with modern development tools, version control (Git), and CI/CD pipelines.
 
 
 Strong problem-solving skills and ability to work in a distributed team.
 
 
 
 
 
 
 Nice to Have (Not Required)
 
 
 
 
 
 
 Experience with Nuxt.js.
 
 
 Experience with cloud platforms (AWS, GCP, or Azure).
 
 
 Familiarity with insurance platforms or standards (e.g. Guidewire, INSIS, or similar).
 
 
 Exposure to automated testing frameworks (Jest, Cypress, Playwright).
 
 
 Experience working in a fast-paced or scaling environment.
 
 
 Knowledge of microservices architecture or event-driven systems.
 
</div>

Full Stack Engineer

General Dynamics Information Technology

<div><div><div>Your Impact
Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being and support of U.S. citizens.
Job Description<div>
Job Description
Overview: We are seeking a highly skilled Senior Developer with over 7 years of experience in ReactJS and JavaScript to join our dynamic team. The ideal candidate should have a strong background in UI/UX design, particularly with a focus on Human-Centered Design (HCD), and must possess deep expertise in dynamic form building. This position offers an exciting opportunity to work on cutting-edge projects in a collaborative environment.
We are excited to welcome a motivated Senior Developer who is passionate about creating exceptional user experiences and driving innovation in web development. Join us in shaping the future of our products and services through cutting-edge technology!
Key Responsibilities:<ul><li>
Develop responsive web applications using ReactJS, ensuring high performance and responsiveness.</li><li>
Collaborate with UI/UX designers to implement designs into functional user interfaces, adhering to best practices and design principles.</li><li>
Build reusable components and front-end libraries for future use.</li><li>
Optimize applications for performance, scalability, and cost-efficiency in cloud environments.</li><li>
Ensure adherence to security and compliance best practices throughout the development lifecycle.</li><li>
Provide technical leadership, mentorship, and code reviews to junior developers.</li><li>
Write clean, maintainable, and testable code.</li><li>
Mentor and coach junior developers, providing technical guidance and code reviews.</li></ul>
Qualifications:<ul><li>
Bachelor's degree in Computer Science, Computer Programming, Computer Engineering, UI/UX Design or relevant computer-based major.</li><li>
10+ years of experience in developing IT solutions and cloud infrastructures.</li><li>
Experience in software engineering and design architectures.</li><li>
Experience and understanding of best practices regarding system security measures.</li><li>
Experience with building and migration software and IT services to align to strategic business needs and goals.</li><li>
Experience in conducting research for advanced technologies to determining how IT can support business needs leveraging software, hardware, or infrastructure.</li><li>
Excellent problem-solving skills and ability to troubleshoot complex issues.</li><li>
Strong communication and interpersonal skills, with a collaborative mindset.</li><li>
Ability to work effectively in a fast-paced environment.</li><li>
Proven track record of delivering scalable and reliable software solutions.</li><li>
A portfolio demonstrating expertise in UI/UX design and relevant projects.</li></ul>
Must Have:<ul><li>
Minimum of 7 years of strong experience in UX Design, including a deep understanding of UX Design Thinking and Principles.</li><li>
At least 7 years of experience with ReactJS and JavaScript.</li><li>
Experience working with TypeScript.</li><li>
Experience with Data Structures and Algorithms.</li><li>
Proficiency with CSS, Tailwind, and related technologies.</li><li>
Extensive experience in creating cards and implementing drag &amp; drop functionality.</li><li>
Proven experience in developing dynamic forms with emphasis on intuitive user experience and efficient design.</li><li>
Experience developing Component-based Architecture in React, Event Driven Architecture and Microservice framework.</li><li>
Proficiency working with UX frameworks and templates.</li><li>
Ability to lead user testing and analysis sessions.</li><li>
Expertise in dynamic form building, with a strong background and extensive practical experience.</li><li>
Solid background in maintaining design standards.</li><li>
Experience with state management libraries such as Redux or Context API.</li><li>
Familiarity with modern front-end build pipelines and tools.</li><li>
Experience with version control systems (e.g., Git) and CI/CD pipelines.</li><li>
Experience working in an Agile development environment using DevSecOps principles and tools.</li></ul>
Nice to Have:<ul><li>
Associate or Professional level certifications in cloud platforms (e.g., Azure, AWS).</li><li>
Experience in UI/UX design, with a focus on Human-Centered Design principles.</li><li>
Experience in developing and testing wireframes and prototypes</li><li>
Experience with server-side Node.js development.</li><li>
Knowledge of creating NPM packages.</li><li>
Knowledge of server-side rendering framework such as Next.js.</li><li>
Experience writing Unit Tests for JavaScript frameworks.</li><li>
Familiarity with GraphQL and RESTful APIs.</li></ul>
Communication and Organizational<ul><li>
Excellent presentation and communication (oral and written) skills.</li><li>
Consultant mindset with the ability to work with high level customer stakeholders and build excellent customer relationship.</li><li>
Experience identifying and applying industry tools, solutions, methods best practices, and emerging technologies.</li><li>
Strong analytical skills and problem-solving skills with the ability to formulate and communicate recommendations for improvement.</li><li>
Experience with process design and documentation methodologies, and design and production of quality deliverables.</li><li>
Demonstrated ability to work effectively, independently, and as part of a team.</li><li>
Strong project management, leadership &amp; meeting facilitation skill with knowledge of Project Life Cycle</li></ul>
</div></div><div><div><div>Work Requirements</div></div><div></div><div><div>
Years of Experience<div>
10 + years of related experience</div><ul><li>may vary based on technical training, certification(s), or degree</li></ul></div><div></div><div>
Certification</div><div>
Travel Required<div>
None</div></div></div></div></div><div>
Salary and Benefit Information<div>
The likely salary range for this position is $111,155 - $150,385. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. 
View information about benefits and our total rewards program.</div>
Our Identity Verification Process<div>
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.</div>
About Our Work<div>
We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.</div><div>
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.</div><div>
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans</div></div></div>

Senior Developer (Front-End)

Owasoft Technologies Pvt Ltd

React.js Developer Internship (3 Months) &ndash; Owasoft TechnologiesAbout Owasoft TechnologiesOwasoft Technologies Pvt Ltd is a Pakistan-based IT software company registered with SECP, helping US startups and global businesses build scalable web and mobile solutions. We specialize in web development, mobile applications, SaaS products, AI solutions, and custom software development.We are looking for passionate and dedicated individuals who want to build a strong career in web development.PositionJunior React.js Developer InternInternship Details<ul><li>Duration: 3 Months</li><li>Internship Type: Unpaid</li><li>Work Location: Remote</li><li>Shift: Night Shift</li></ul>Eligibility Criteria<ul><li>Bachelor's degree in Computer Science, Software Engineering, or a related field is mandatory.</li><li>Fresh graduates are encouraged to apply.</li><li>Candidates should have a strong passion for learning and growing in software development.</li></ul>Required Skills<ul><li>Basic knowledge of React.js</li><li>Good understanding of HTML, CSS, and JavaScript (ES6+)</li><li>Basic understanding of Object-Oriented Programming (OOP) concepts</li><li>Familiarity with APIs and JSON</li><li>Basic knowledge of Git is a plus</li><li>Understanding of software development fundamentals and problem-solving techniques</li><li>Good communication and teamwork skills</li><li>Eagerness to learn new technologies and work on real-world projects</li></ul>ResponsibilitiesAs a React.js Intern, you will:<ul><li>Assist in developing and maintaining React.js applications</li><li>Build and improve reusable UI components</li><li>Integrate APIs and collaborate with backend developers</li><li>Debug and resolve application issues</li><li>Work with senior developers on real client projects</li><li>Follow coding standards and best practices</li><li>Participate in training sessions and technical mentorship</li></ul>Internship Program StructurePhase 1: Internship (3 Months)<ul><li>Practical training and exposure to real development projects.</li></ul>Phase 2: Performance Assessment<ul><li>Your technical skills, learning ability, dedication, and overall performance will be evaluated.</li></ul>Phase 3: Employment Opportunity<ul><li>Candidates who successfully complete the internship and perform well during the assessment may be offered a full-time position with Owasoft Technologies.</li></ul>What We Are Looking ForWe value candidates who have:<ul><li>A strong foundation in programming fundamentals</li><li>Good understanding of OOP concepts</li><li>A willingness to learn and accept challenges</li><li>A positive attitude and team-oriented mindset</li><li>The passion and spark to build a successful career in software development</li></ul>How to ApplyIf you meet the above criteria and are ready to start your career in React.js development, we encourage you to apply.Interested candidates can send their CV/Resume to apply.Work Location: Hybrid remote in Rawalpindi

Junior React Js Developer Internship

MRI Software

<div>Position Summary
Software Engineer (React Native Developer)
We are seeking a talented and experienced React Native Developer to join our friendly and dynamic team. As an Australian product with a global presence, our developers are based in Europe and the Asia Pacific region.
As part of your role, you will have the opportunity to work on a widely used product that&rsquo;s trusted by thousands of real estate agents across Australia and New Zealand. You will collaborate with other engineers, product managers and testers to deliver high-quality mobile solutions that meet the needs of our users.
Our projects are well-documented by experienced product managers and designers, giving you clear requirements and expectations. You will work mainly on our mobile application using React Native, connecting to backend APIs and helping deliver a fast, reliable and easy-to-use experience for our customers.
The backend is managed by a separate engineering team, so Ruby on Rails experience is not required. You should be comfortable working with REST APIs, understanding API contracts, handling authentication, and building mobile features that integrate cleanly with backend services.
If you&rsquo;re passionate about mobile development and excited to work with a team of intelligent and skilled professionals, we encourage you to apply for this opportunity.
Required Skills:<ul><li>
Over 7+ years experience in software development</li><li>
Strong experience with React Native</li><li>
Modern JavaScript, preferably TypeScript</li><li>
Experience working with REST APIs</li><li>
Experience with mobile app authentication and session handling</li><li>
Good understanding of mobile UI and UX patterns</li><li>
Experience debugging mobile applications</li><li>
Experience using Git and working in a team development environment</li></ul>
Desirable Skills:<ul><li>
TypeScript</li><li>
Native iOS or Android development experience</li><li>
Experience with API-driven applications</li><li>
Experience with push notifications</li><li>
Experience with mobile app release processes, including App Store and Google Play</li><li>
TDD or automated testing for mobile applications</li><li>
React</li><li>
Agile methodologies</li><li>
AI coding tools</li><li>
Passionate about programming</li></ul>
Education
<ul><li>Bachelor&rsquo;s degree in Computer Science, IT, or related field</li></ul>
Benefits
 &bull; Hybrid working arrangements (3 days WFO in a week) 
 &bull; Annual performance-related bonus 
 &bull; Health insurance 
 &bull; 6x Flexi: knock 2.5 hours off your day on anyday
About Us 
From the day we opened our doors, MRI Software has built flexible, game-changing real estate software that powers thriving communities and helps make the world a better place to live, work and play. Fulfilling that mission is only possible because of one thing: exceptional people. People like you! 
Our people-first approach to PropTech is defining a new industry standard for client experiences that, quite frankly, can&rsquo;t be duplicated. Experiences that deliver real value every day. And we know those experiences begin with our people. 
We believe MRI is more than just a workplace; it&rsquo;s a connected community of people who truly feel they belong. Whether we&rsquo;re investing in employee resource groups or providing tailored resources for each person to reach their full potential, we&rsquo;re passionate about creating a work environment that makes you excited to show up every single day. 
At MRI, one of our core values is to strive to amaze. From the intelligent solutions we create to the culture we cultivate, that&rsquo;s our goal every day. Because that&rsquo;s what industry leaders do. Whether you&rsquo;re joining as a new Pride member or rejoining us after a short time away, your talent is vital to us, our partners and our clients. 
Amazing growth requires amazing employees. Are you up to the challenge?
We know confidence gap and imposter syndrome can get in the way of meeting remarkable candidates, so please don&rsquo;t hesitate to apply. We&rsquo;d love to hear from you! 
MRI is proud to be an inclusive employer. We welcome and celebrate diversity across all backgrounds, including ethnicity, religion, sexual orientation, gender identity, disability, age, military, veteran status and more.
We believe that Belonging is a direct result of Diversity, Equity, and Inclusion. Those values are woven into the fabric of who we are and are foundational to our continued success. Come and see for yourself!</div>

Senior Software Engineer IV (React Native)

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Full Stack Developer Kotlin AWS JavaScript - Start-up

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