front end software developer

Valify Solutions

<div>
 
 Role Description
 
 
 
 This is a full-time hybrid role for a Senior Frontend Developer ReactJS at Valify Solutions. The Senior Frontend Developer will be responsible for back-end and front-end web development, responsive web design, and software development. This role will involve collaborating with the team while also having the flexibility for some remote work.
 
 
 
 What You&rsquo;ll Do As a ReactJS Developer
 
 
 
 <ul>
 <li>
 Develop and maintain responsive web and mobile applications integrated with a Python backend.
 </li>
 <li>
 Build interactive, scalable dashboards for data visualization and management.
 </li>
 <li>
 Collaborate with the design and backend teams to deliver seamless user experiences.
 </li>
 <li>
 Optimize application performance for smooth user interaction
 </li>
 </ul>
</div>

Frontend Developer

MASTER-WORKS

<div>Senior Full-Stack Developer with 5+ years of professional experience delivering enterprise web applications using ASP.NET Core (.NET 6+) and Angular (latest versions, including Angular 17+). Specialized in Clean Architecture and Onion Architecture, applying proven design patterns and modern development practices to build scalable, maintainable, and secure systems.
Key Responsibilities<ul><li>
Backend Development (.NET Core)</li><li>
Designed and developed secure, scalable RESTful APIs using ASP.NET Core Web API and C#.</li><li>
Applied Onion Architecture to enforce separation of concerns across Domain, Application, Infrastructure, and Presentation layers.</li><li>
Implemented the Repository Pattern to abstract data access logic and promote testability and loose coupling.</li><li>
Used the Mediator Pattern (MediatR)</li><li>
Developed data access layers using Entity Framework Core (EF Core) with:</li><li><ul><li>
Code First approach</li><li>
Database migrations for schema versioning and controlled evolution</li><li>
Fluent API and Data Annotations for entity configuration</li></ul></li><li>
Wrote optimized data queries using LINQ (method and query syntax) to:</li><li><ul><li>
Retrieve complex relational data</li><li>
Improve query performance</li><li>
Minimize database round-trips</li></ul></li><li>
Designed and optimized SQL Server databases, including indexes, constraints, and query tuning.</li><li>
Implemented Unit of Work for transactional consistency across multiple repositories.</li><li>
Integrated authentication and authorization using JWT and OAuth 2.0, including role-based and policy-based access control.</li><li>
Handled cross-cutting concerns such as validation, logging, and exception handling using MediatR pipelines and middleware.</li><li>
Frontend Development (Angular)</li><li>
Built modern, responsive, and reusable UI components using Angular 17+, TypeScript, HTML5, and SCSS, aligned with the organization&rsquo;s design system.</li><li>
Implemented Angular best practices including:</li><li><ul><li>
Modular architecture and lazy loading</li><li>
Reactive Forms and custom validators</li><li>
RxJS observables for asynchronous data streams</li></ul></li><li>
Integrated frontend applications with RESTful APIs, managing authentication tokens, error handling, and loading states.</li><li>
Software Design &amp; Best Practices</li><li>
Followed SOLID principles, Clean Code, and Clean Architecture standards.</li><li>
Applied additional design patterns where appropriate:</li><li><ul><li>
Unit of Work</li><li>
Factory Pattern</li><li>
Strategy Pattern</li><li>
Specification Pattern</li><li>
Dependency Injection</li></ul></li><li>
Wrote unit and integration tests for business logic, repositories, and API endpoints.</li><li>
Collaboration &amp; Delivery</li><li>
Collaborated effectively within Agile/Scrum teams, working closely with Business Analysts, QA engineers, and other developers.</li><li>
Participated in sprint planning, code reviews, and technical design discussions.</li><li>
Troubleshot, refactored, and enhanced existing applications to improve performance, scalability, and maintainability.</li><li>
Technical Skills</li><li>
Back-End</li><li>
ASP.NET Core, .NET 6+, C#</li><li>
Entity Framework Core (Code First, Migrations)</li><li>
LINQ, MediatR, CQRS</li><li>
Onion Architecture, Clean Architecture</li><li>
Front-End</li><li>
Angular (latest versions, including 17+)</li><li>
TypeScript, HTML5, CSS, SCSS</li><li>
Database</li><li>
SQL Server (design, optimization, performance tuning)</li><li>
Tools &amp; DevOps</li><li>
Git, Visual Studio, VS Code</li><li>
Node.js, Curl</li><li>
Azure DevOps, CI/CD Pipelines</li></ul></div>

Full-Stack Developer

Essential Software

<div>Sr. Software Engineer (Front End)
ESI provides direct support to the Frederick National Lab (FNL) in its support of the National Cancer Institute (NCI) and its mission to accelerate the prevention and treatment of cancer. FNL's support of NCI includes the management and execution of IT projects sponsored by the NCI Center of Biomedical Informatics and Information Technology (CBIIT).
The Cancer Research Data Commons (CRDC) and the Childhood Cancer Data Initiative (CCDI) are two of the highest-priority programs at the NCI. The CRDC is a secure, cloud-based data science infrastructure that accelerates cancer research by facilitating data submission, sharing, access, interoperability, and cost-effective analysis at scale. The CCDI Data Ecosystem is a dynamic and evolving infrastructure that brings together data from various collections generated or held at institutions across the country and worldwide, ensuring quality and consistency for the broader research community.
Both systems include:<ul><li>
Enhanced cloud-computing platforms.</li><li>
Services that link disparate information, including clinical, image, and molecular data.</li><li>
Standards and tools so that data are interoperable.</li><li>
Essential underlying data science infrastructure, methods, and portals for the Cancer Data Ecosystem.</li><li>
Sustainable data governance to ensure long-term health of the Ecosystem.</li></ul>
Roles &amp; Responsibilities of the Sr. Software Engineer:<ul><li>
Collaborate with UX designers, back-end engineers, and product owners to deliver high-quality front-end solutions that meet user needs and follow established design systems and development standards.</li><li>
Architect, develop, and maintain scalable React.js applications and component libraries used across CRDC and CCDI platforms.</li><li>
Build and integrate RESTful and GraphQL APIs using Node.js, ensuring seamless communication between front end interfaces and back-end services.</li><li>
Create and manage technical documentation, including component documentation and front-end architecture guides.</li><li>
Work with business users and stakeholders to develop and implement acceptance tests, ensuring products meet customer requirements and accessibility standards.</li><li>
Monitor front end application performance, identify bottlenecks, and implement optimizations for speed and reliability.</li><li>
Integrate existing software and design systems into new or modified environments.</li><li>
Implement recommendations for improving front end development processes, coding standards, and documentation practices.</li><li>
Actively engage in process improvement and Agile/Scrum ceremonies.</li><li>
Integrate AI-assisted development tools into workflows responsibly and help define safe patterns for their use.</li><li>
Proactively mentor junior teammates through code reviews, pairing sessions, and knowledge sharing.</li></ul>
Basic Qualifications of the Sr. Software Engineer:<ul><li>
Possession of a bachelor's degree from an accredited college/university according to the Council for Higher Education Accreditation (CHEA) in Computer Science, Web Development, or a related field.</li><li>
At least 3+ years of experience in the above roles and responsibilities.</li><li>
Demonstrated expertise in React.js, including hooks, context, state management (Redux or equivalent), and component-driven architecture.</li><li>
Proficiency in Node.js, including building middleware, API integrations, and development tooling.</li><li>
Experience with HTML5, CSS3, JavaScript (ES6+), and responsive/accessible design principles (WCAG 2.1).</li><li>
Familiarity with front end build tools such as Webpack, Vite, or similar.</li><li>
Experience with version control systems (Git) and CI/CD pipelines.</li><li>
Excellent verbal and written communication skills, including experience working directly with customers and stakeholders to translate requirements into user-centered designs.</li><li>
Strong ability to prioritize, manage, and communicate the status of multiple concurrent tasks.</li><li>
Exceptional interpersonal and collaboration skills, with experience working in cross-functional team environments.</li><li>
Ability to work effectively in a complex, fast-paced environment, including with government stakeholders and in adherence to government practices and processes.</li></ul>
Preferred Qualifications:<ul><li>
Experience with AWS services (S3, CloudFront, Amplify, or similar) and cloud-hosted front-end deployments.</li><li>
AWS AI Practitioner or AWS Associate certification.</li><li>
Familiarity with data visualization libraries (D3.js, Recharts, or similar) in the context of scientific or research platforms.</li><li>
Prior experience working on federal or government-sponsored IT programs.</li></ul>
Work With ESI
In a time when federal agencies have relied on novel technology solutions, ESI stands as a trusted partner. We have built our success on our commitment to technology, teamwork, and trust. At ESI, we acknowledge and celebrate our talented staff who consistently strive for and achieve excellence.
ESI offers a robust benefits package that includes health care, paid time off, 401(k) retirement savings, professional development opportunities, and more.
Salary range: $110,000&ndash;$130,000 per year, depending on skills and experience.
Work Location: Hybrid (1 day in office, 4 days remote per week) in Rockville, MD 20850
Equal Opportunity Employer
ESI is an Equal Opportunity Employer (EOE). We are committed to creating an inclusive environment for all employees, including equitable hiring and promotion practices, and ongoing learning that supports belonging for every team member.
Work Authorization Notice
Candidates must be legally authorized to work in the United States at the time of hire. ESI is unable to provide employment visa sponsorship for this position now or in the future. Because this role is performed in support of government contract work and does not allow ESI to provide the level of direct employer oversight and training administration required for certain temporary work authorization categories, ESI cannot support those employer-specific training obligations for this position.
Essential Software Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type, without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
v2NkvXc6AJ</div>

Sr. Software Engineer (Front End)

You.com

<div>
 
 About Us
 
 
 
 At You.com, we are building the AI Search Infrastructure that powers modern AI systems. Our goal is to create the trusted knowledge layer that agents, applications, and enterprises rely on to retrieve real-time, accurate, and citation-backed information.
 
 
 Our platform combines proprietary vertical indexes with LLM-optimized retrieval systems to power AI agents, applications, and enterprise workflows. We are solving hard problems across search, large language models, and large-scale infrastructure to make AI systems more reliable, transparent, and useful.
 
 
 Our team includes engineers, researchers, product builders, and operators who care about solving meaningful problems and delivering real-world impact. Whether you are improving core infrastructure, shaping product experiences, or helping bring new AI capabilities to market, your work will help define how modern AI finds and uses knowledge.
 
 
 
 About the Role
 
 
 
 We are seeking a talented and motivated
 
 Front-End Web Developer
 
 with a strong background in both design and development. As part of the Marketing team, you will play a key role in creating and maintaining visually stunning, user-friendly, and high-performing websites. This role is perfect for someone who thrives on creativity, values collaboration, and has a passion for combining design aesthetics with technical expertise.
 
 
 You will collaborate closely with cross-functional teams to deliver high-quality web experiences that align with our brand and business goals. Proficiency in
 
 Webflow
 
 is critical, as it will be one of your primary tools for design and development.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 
 Web Design and Development:
 
 </li>
 <ul>
 <li>
 Design and build responsive, visually appealing websites and landing pages using Webflow, HTML, CSS, and JavaScript.
 </li>
 <li>
 Collaborate with the Head of Web and Content to develop innovative designs that reflect brand guidelines and engage users.
 </li>
 <li>
 Ensure designs and code are optimized for performance, accessibility, and cross-browser compatibility.
 </li>
 </ul>
 <li>
 
 Content Updates and Maintenance:
 
 </li>
 <ul>
 <li>
 Maintain and update existing websites, ensuring they remain modern, functional, and error-free.
 </li>
 <li>
 Implement content updates in collaboration with the content team, ensuring consistency and brand alignment.
 </li>
 </ul>
 <li>
 
 User Experience (UX) and Optimization:
 
 </li>
 <ul>
 <li>
 Work closely with stakeholders to understand user needs and translate them into intuitive web experiences.
 </li>
 <li>
 Conduct regular reviews and testing to optimize website performance and usability.
 </li>
 </ul>
 <li>
 
 Coding and Customization:
 
 </li>
 <ul>
 <li>
 Write clean, scalable, and maintainable code for custom Webflow components or integrations when necessary.
 </li>
 <li>
 Collaborate with back-end developers when required to implement advanced functionality.
 </li>
 </ul>
 <li>
 
 Collaboration and Communication:
 
 </li>
 <ul>
 <li>
 Work alongside the content, marketing, and design teams to ensure web projects meet deadlines and objectives.
 </li>
 <li>
 Stay up-to-date with the latest front-end trends, tools, and technologies to continuously improve web development practices.
 
 </li>
 </ul>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 </li>
 <ul>
 <li>
 1-3 years of experience in front-end web development or a related field.
 </li>
 <li>
 Proven experience designing and building websites in Webflow is required.
 </li>
 <li>
 Proficiency in Webflow, HTML, CSS, and JavaScript, and Figma.
 </li>
 <li>
 Familiarity with responsive design principles and best practices.
 </li>
 <li>
 Basic understanding of SEO principles and website performance optimization.
 </li>
 <li>
 Experience with version control systems like Git is a plus.
 </li>
 <li>
 A strong eye for design with the ability to create visually compelling, user-focused web layouts.
 </li>
 <li>
 Experience with design tools such as Adobe XD, MarkUp, or Sketch is an advantage.
 </li>
 <li>
 Strong communication and collaboration skills.
 </li>
 <li>
 Detail-oriented with excellent problem-solving and time management abilities.
 </li>
 <li>
 Eagerness to learn and adapt to new tools and technologies.
 
 </li>
 </ul>
 </ul>
 Our salary bands are structured based on a combination of geographic tiers and internal leveling. Compensation is determined by multiple factors assessed during the interview process, with the final offer reflecting these considerations.
 
 
 Salary Band
 
 
 $130,000&mdash;$175,000 USD
 
 
 
 Company Perks:
 
 
 
 <ul>
 <li>
 Hubs in San Francisco and New York City offering regular in-person gatherings and co-working sessions
 </li>
 <li>
 Flexible PTO with U.S. holidays observed and a week shutdown in December to rest and recharge*
 </li>
 <li>
 A competitive health insurance plan covers 100% of the policyholder and 75% for dependents*
 </li>
 <li>
 12 weeks of paid parental leave in the US*
 </li>
 <li>
 401k program, 3% match - vested immediately!*
 </li>
 <li>
 $500 work-from-home stipend to be used up to a year of your start date*
 </li>
 <li>
 $600 technology stipend to support a portion of our hybrid/remote team's cell phone and internet expenses*
 </li>
 <li>
 $1,200 per year Health &amp; Wellness Allowance to support your personal goals*
 </li>
 <li>
 The chance to collaborate with a team at the forefront of AI research
 </li>
 <li>
 Certain perks and benefits are limited to full-time employees only
 
 
 </li>
 </ul>
 
 You.com participates in E-Verify. We will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's Form I-9 to confirm work authorization. (English/Spanish: E-Verify Participation/Right to Work)
 
 
 We are also an inclusive, equitable, and accessible workplace. Please let us know if you require accommodation for any portion of the recruitment and hiring process.
 
 
 
 
 
 Beware of recruiting scams: You.com will only contact you through official @You.com email addresses and will never ask for payment or sensitive personal information during the hiring process.
 
 
</div>

Front-End Web Developer

PrimeGate for Communications and IT

<div>
 
 Job Overview:
 
 
 
 The Frontend Developer is responsible for designing, developing, and maintaining scalable and high-performance frontend applications for enterprise solutions. The role requires expertise in JavaScript, TypeScript, and React to build modern, responsive, and user-friendly web applications. The developer will work closely with backend engineers, UX/UI designers, and product teams to deliver seamless user experiences.
 
 
 
 Key Responsibilities:
 
 
 
 <ul>
 <li>
 Develop and maintain frontend applications using JavaScript, TypeScript, and React.
 </li>
 <li>
 Build reusable, modular UI components while maintaining scalability and performance.
 </li>
 <li>
 Integrate frontend applications with backend APIs using RESTful APIs and GraphQL.
 </li>
 <li>
 Ensure cross-browser compatibility and responsive designs that work across different devices
 </li>
 <li>
 Optimize frontend performance using techniques such as lazy loading, code splitting, and caching.
 </li>
 <li>
 Implement and maintain state management using Redux, Zustand, or Context API.
 </li>
 <li>
 Work with UX/UI designers to transform wireframes and prototypes into fully functional web applications.
 </li>
 <li>
 Implement authentication and security measures, including OAuth, JWT, and role-based access control.
 </li>
 <li>
 Conduct testing using unit, integration, and end-to-end testing frameworks such as Jest, React Testing Library, or Cypress.
 </li>
 <li>
 Collaborate with DevOps teams to enhance CI/CD pipelines and automate deployment processes.
 
 
 </li>
 </ul>
 
 Required Skills and Qualifications:
 
 
 
 <ul>
 <li>
 4+ years of experience in frontend development for enterprise applications.
 </li>
 <li>
 Proficiency in JavaScript and TypeScript.
 </li>
 <li>
 Strong experience with React and its ecosystem (Hooks, Context API, functional components).
 </li>
 <li>
 Expertise in frontend performance optimization and accessibility (A11Y) best practices.
 </li>
 <li>
 Experience with CSS frameworks like Tailwind CSS, Material UI, or Styled Components.
 </li>
 <li>
 Familiarity with build tools (Webpack, Vite, Babel) and package managers (npm, Yarn, pnpm).
 </li>
 <li>
 Strong knowledge of API consumption and integration (RESTful services, GraphQL).
 </li>
 <li>
 Understanding of frontend security best practices (XSS, CSRF, CORS).
 </li>
 <li>
 Experience with version control systems, such as Git and GitHub/GitLab.
 </li>
 <li>
 Testing experience using Jest, Cypress, or React Testing Library.
 
 
 </li>
 </ul>
 
 Preferred Qualifications:
 
 
 
 <ul>
 <li>
 Experience with Next.js for server-side rendering (SSR) and static site generation (SSG).
 </li>
 <li>
 Experience with CI/CD pipelines and automated deployments.
 </li>
 <li>
 Familiarity with cloud-based environments (AWS, Azure, GCP).
 </li>
 <li>
 Strong problem-solving skills and ability to work in a fast-paced environment.
 
 
 </li>
 </ul>
 
 Experience Level:
 
 
 
 Mid to Senior (4+ Years)
 
 
 
 Employment Type:
 
 
 
 Full-time
</div>

Prime Gate

<div>Job Overview:
The Frontend Developer is responsible for designing, developing, and maintaining scalable and high-performance frontend applications for enterprise solutions. The role requires expertise in JavaScript, TypeScript, and React to build modern, responsive, and user-friendly web applications. The developer will work closely with backend engineers, UX/UI designers, and product teams to deliver seamless user experiences.
Key Responsibilities:<ul><li>Develop and maintain frontend applications using JavaScript, TypeScript, and React.</li><li>Build reusable, modular UI components while maintaining scalability and performance.</li><li>Integrate frontend applications with backend APIs using RESTful APIs and GraphQL.</li><li>Ensure cross-browser compatibility and responsive designs that work across different devices</li><li>Optimize frontend performance using techniques such as lazy loading, code splitting, and caching.</li><li>Implement and maintain state management using Redux, Zustand, or Context API.</li><li>Work with UX/UI designers to transform wireframes and prototypes into fully functional web applications.</li><li>Implement authentication and security measures, including OAuth, JWT, and role-based access control.</li><li>Conduct testing using unit, integration, and end-to-end testing frameworks such as Jest, React Testing Library, or Cypress.</li><li>Collaborate with DevOps teams to enhance CI/CD pipelines and automate deployment processes.</li></ul>
Required Skills and Qualifications:<ul><li>4+ years of experience in frontend development for enterprise applications.</li><li>Proficiency in JavaScript and TypeScript.</li><li>Strong experience with React and its ecosystem (Hooks, Context API, functional components).</li><li>Expertise in frontend performance optimization and accessibility (A11Y) best practices.</li><li>Experience with CSS frameworks like Tailwind CSS, Material UI, or Styled Components.</li><li>Familiarity with build tools (Webpack, Vite, Babel) and package managers (npm, Yarn, pnpm).</li><li>Strong knowledge of API consumption and integration (RESTful services, GraphQL).</li><li>Understanding of frontend security best practices (XSS, CSRF, CORS).</li><li>Experience with version control systems, such as Git and GitHub/GitLab.</li><li>Testing experience using Jest, Cypress, or React Testing Library.</li></ul>
Preferred Qualifications:<ul><li>Experience with Next.js for server-side rendering (SSR) and static site generation (SSG).</li><li>Experience with CI/CD pipelines and automated deployments.</li><li>Familiarity with cloud-based environments (AWS, Azure, GCP).</li><li>Strong problem-solving skills and ability to work in a fast-paced environment.</li></ul>
Experience Level:
Mid to Senior (4+ Years)
Employment Type:
Full-time</div>

Sadat Consulting

Should have 7 Years of Experience in Front End DevelopmentExperience in Frappe/ERPNext Framework Experience in Vue.JSPlease apply by sending your CV to mohammedsadatgac@gmail.com1. Your Notice period:2. Your Current Salary:3. Your Expected salary:4. Can you Transfer your IQAMAH:Job Types: Full-time, PermanentWork Location: In person

Front End Developer (Frappe /ERPNext Framework & Vue.JS)

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