Front-End Developer

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 11-50Since 2008H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

76 days ago

Salary

0

Seniority

Senior

Job Description

Front-End Developer

Provanic

• Develop new user-facing features • Build reusable code and libraries for future use • Ensure the technical feasibility of UI/UX designs • Optimize application for maximum speed and scalability • Assure that all user input is validated before submitting to back-end • Collaborate with other team members and stakeholders

Job Requirements

  • Proficient understanding of web markup, including HTML5, CSS3
  • Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
  • Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
  • Good understanding of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
  • Good understanding of asynchronous request handling, partial page updates, and AJAX
  • Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.
  • Proficient understanding of cross-browser compatibility issues and ways to work around them.
  • Proficient understanding of code versioning tools, such as Git / Mercurial / SVN
  • Good understanding of SEO principles and ensuring that application will adhere to them.
  • List education level or certification you require

Related Job Pages

More Frontend Engineer Jobs

Rubikal logo

Frontend Engineer – Angular

Rubikal

End-to-end custom product development company, Solve 99% of startups' problems

Full TimeRemoteTeam 51-200H1B No Sponsor

• Architecting and implementing user interface and middle tier of platforms • Define and provide powerful yet simple and intuitive user interface • Design and develop rich user interfaces for high-availability analytics applications using JavaScript • Participate in user experience design and architecture initiatives • Lead regular code reviews with focus on usability, performance, scalability and future expansion • Write robust code and demonstrate its robustness through automated tests • Work as a member of a team responding quickly and effectively to business needs.

Egypt
Job Closed
ContractRemoteTeam 51-200Since 2014H1B No Sponsor

• Prioritize, design, develop, deploy, and operate secure, robust, scalable, and fast front-end web, mobile, and customer-facing solutions. • Write clearly structured, maintainable, well-documented, and thoroughly tested code that aligns with our requirements and goals. The code should be of high enough quality to be open-sourced. • Improve our global codebase through brainstorming sessions, code reviews, unit testing, automation, and participating in an on-call rotation. • Translate complex customer requirements into actionable code for sprint pipelines while providing support and mentorship to peers.

Argentina
Brillio logo

Senior Mobile Lead Developer – React Native

Brillio

Turning technological disruptions into the advantages. Let's create something Brillian(t) together!

Full TimeRemoteTeam 1,001-5,000H1B Sponsor

• Own the mobile architecture blueprint—from client app layers to backend integration (APIs, microservices, event-driven patterns). • Define standards and reference architectures for React Native/Flutter/Xamarin (or hybrid web-views, Capacitor) and native interoperability. • Establish mobile domain models, API contracts, security controls, and data governance for mobile. • Create roadmaps aligned with business OKRs, balancing innovation with platform stability. • Lead architecture for new mobile initiatives: authentication flows, offline-first patterns, background sync, push notifications, deep linking, app configuration, and feature flagging. • Design scalable backend integrations (API gateways, GraphQL/REST, caching, pub/sub), and select runtime patterns (BFF, façade services). • Architect telemetry pipelines for observability (crash analytics, performance metrics, RUM, log aggregation). • Implement Zero Trust principles for mobile; enforce secure storage, device attestation, jailbreak/root detection. • Align with OWASP MASVS/MSTG, NIST, ISO 27001; ensure compliance (GDPR, CCPA, HIPAA/PCI as applicable). • Oversee MDM/UEM and MAM policies (e.g., Microsoft Intune, VMware Workspace ONE, MobileIron). • Define threat models, conduct architecture risk assessments, and drive secure SDLC practices (SAST/DAST, dependency scanning). • Define CI/CD pipelines for mobile (Fastlane, Bitrise, Azure DevOps, GitHub Actions, CircleCI), code signing, release orchestration. • Standardize testing strategy: unit/UI/e2e, device farms, accessibility, performance, and compatibility testing. • Govern app distribution (App Store/Play, Enterprise distribution), versioning, rollback strategies, and release trains. • Architect for offline resilience, concurrency, graceful degradation, and efficient network usage. • Establish SLAs/SLOs/SLIs for mobile experiences; implement synthetic monitoring, crash thresholds, and performance budgets. • Optimize startup time, memory footprint, battery usage, and bundle size. • Model data flows; select client-side storage (Secure Enclave/Keychain, Keystore, SQLite/Room/Realm, encrypted stores). • Define API schemas and backward compatibility strategies; manage schema evolution and versioning. • Champion API governance and service cataloging; integrate with identity (Azure AD/Entra ID, Auth0, Okta). • Maintain architecture repository and guardrails, including coding standards, dependency policies, and modularization. • Run Architecture Review Boards, perform ADRs (Architecture Decision Records), and maintain tech radar. • Mentor architects and senior engineers; conduct design reviews and coaching. • Partner with Product, UX, Security, Infra/Cloud, and Business stakeholders; translate business goals into technical plans. • Evaluate frameworks, SDKs, third party services; negotiate and manage technical risk.

Missouri
$80 - $85 / hour
Job Closed
Full TimeRemoteTeam 10,001+Since 1928H1B Sponsor

Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future. Department Overview The Avigilon Alta Video UI team is responsible for the mission-critical infrastructure that powers our VMS. We are currently evolving our platform to support deep-tier interconnection across the Motorola product portfolio. Our team values high-performance engineering, architectural integrity, and a commitment to building the most reliable real-time tools in the industry. While our stack features Vue 3, Pinia, and TypeScript on the frontend and Go on the backend, we prioritize engineering fundamentals over specific library knowledge. We are looking for a seasoned developer who can navigate complex logic, manage sophisticated state, and help us steer our architecture forward. Job Description - Analyzes, develops, designs, and maintains software for the organization’s products and systems. - Performs system integration of software and hardware to maintain throughput and program consistency. - Develops, validates, and tests: structures and user documentation. - Architects and implements complex state management patterns and robust API integrations to support a scaling ecosystem. Optimizes delivery by contributing to CI/CD pipelines and leveraging Firebase services for rapid, reliable feature deployment. Basic Requirements - Experience: 5+ years of software engineering experience, with a heavy focus on modern frontend architecture. - Complex Logic & State: Proven ability to manage intricate application states and data flows (e.g., Pinia, Vuex, or Redux). - API & Infrastructure: Deep understanding of consuming RESTful APIs and hands-on experience with Firebase and CI/CD workflows. - Technical Stack: Advanced proficiency in TypeScript and modern CSS/HTML. - Engineering Mindset: A strong foundation in design patterns and the ability to drive architectural changes across a large codebase. - Collaboration: Demonstrated team player skills and a willingness to mentor others. Desired Skills - Resilient Systems: Excitement about building, operating, and maintaining resilient, scalable systems. - Global Architecture: Passion for architecting scalable frontend systems that impact a global community of users. - Observability: Drive for frontend observability to understand performance and be able to diagnose complex logic problems. - Remote Culture: The team is highly distributed across geographies, and you will thrive in an environment of remote work and asynchronous communication. In return for your expertise, we’ll support you in this new challenge with coaching & development every step of the way. Also, to reward your hard work you’ll get: - Competitive salary and bonus schemes - Two weeks of additional pay per year (holiday bonus) - 25 days holiday entitlement + bank holidays - Attractive defined contribution pension scheme - Private medical insurance - Employee stock purchase plan - Flexible working options - Life assurance - Enhanced maternity and paternity pay - Career development support and wide-ranging learning opportunities - Employee health and wellbeing support EAP, wellbeing guidance etc - Carbon neutral initiatives/goals - Corporate social responsibility initiatives including support for volunteering day - Well-known companies discount scheme We are an equal opportunities employer and we want you to have every opportunity to shine and show us your talents, please let us know if there is anything we can do to make sure the process works for you. We celebrate diversity and are committed to creating an inclusive environment for all employees. #LI-HW1 Travel Requirements None Relocation Provided None Position Type Experienced Referral Payment Plan No Company Motorola Solutions UK Limited EEO Statement Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic. We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.

United Kingdom
Job Closed