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Frontend Engineer

Frontend Engineer

Senior Full Stack Engineer (React + Node.js + CRM) - Remote - Latin America

FullStack

São Paulo

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Описание вакансии

About FullStack
FullStack is the most transparent IT talent network, connecting highly skilled individuals with top global companies and Silicon Valley startups for remote, on-demand projects. We focus on building a trusted, high-performance network where talent can thrive in a positive, respectful, and supportive environment. By prioritizing transparency, fair opportunities, and professional growth, we empower our engineers to deliver their best work while collaborating with innovative teams worldwide.

We’re Most Proud Of

  • Offering life-changing opportunities for talented software professionals across the Americas.
  • Enhancing highly-skilled software development teams of hundreds of the world’s greatest companies.
  • Our 4.2-star rating on GlassDoor.
  • Our client Net Promoter Score of 68, twice the industry average.

The Opportunity
Join our talent network and connect with U.S. clients for flexible, project-based development work as a Senior Full Stack Engineer (React + Node.js + CRM).

  • You will integrate directly into our client's team and work alongside their existing designers and engineers on a daily basis.

What We're Looking For

  • 5+ years of professional software engineering experience.
  • 3+ years of experience in technical leadership influencing architecture, engineering direction, and mentoring peers.
  • Advanced English is required.
  • Successful completion of a four-year college degree is required.
  • Expertise in full-stack JavaScript/TypeScript application development using React and Node.js.
  • Hands-on experience with modern frontend frameworks and server-side rendering solutions (e.g., Next.js).
  • Demonstrated experience developing reliable backend APIs, service-to-service integrations, and business logic.
  • Proven experience with AWS cloud-native services (such as Lambda, API Gateway, S3, or CloudWatch).
  • Practical experience and functional knowledge working with CRMs (specifically Salesforce), including logic extraction, migrations, and ongoing maintenance.
  • Track record of integrating third-party marketing tools, tracking systems, or experimentation platforms (e.g., HubSpot, GA, Statsig, Optimizely).
  • Solid understanding of system performance optimization, testing strategies (Jest, Cypress, Playwright), and observability tools (New Relic, Sentry, Datadog).
  • Comfortable working across multiple disciplines (Product, Design, and Marketing) to build scalable, component-based internal design systems.
  • Ability to work through new and difficult issues and contribute to libraries as needed.
  • Ability to create and maintain continuous integration and delivery of applications.
  • Forensic attention to detail.
  • A positive mindset and a can-do attitude.
  • Experience working on Agile/Scrum teams.
  • Meaningful experience working on large, complex systems.
  • Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
  • Ability to identify with the goals of FullStack's clients and dedicate yourself to delivering on the commitments you and your team make to them.

Nice To Have
We’re Seeking Engineers Who Are AI-enthusiastic In Their Workflow. Professional Experience Or Personal Project Work With The Following Is a Significant Plus

  • Cursor, Windsurf, or Google Antigravity.
  • Claude Code, Gemini CLI, Codex, or Copilot CLI.

Work Authorization Requirements

  • Applicants must be currently authorized to work in the country of this job posting on a full-time basis.
  • FullStack will not sponsor applicants for work visas now or in the future.

What We Offer

  • Competitive pay.
  • 100% remote work.
  • The ability to work with leading startups and Fortune 500 companies.
  • Continuing education opportunities.
  • Opportunity to grow and expand your career.

Our talent network is committed to fostering a diverse, inclusive, and accessible environment where IT professionals can find opportunities that match their skills. We welcome individuals of all races, religions, genders, sexual orientations, national origins, abilities, and experiences. Our focus is on connecting talent with projects based on qualifications, ensuring a fair and transparent process that values diverse perspectives and global collaboration.

Learn more about our Applicants Privacy Notice.

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Резюме под эту вакансию — и билет в розыгрыш

Мы разбираем объявление до настоящих требований и переписываем ваше резюме под него — вопросами, а не выдумкой: ни одна строка не появится без вашего подтверждения. Войдите, чтобы получить это первым, — и попасть в розыгрыш.

  • Резюме под конкретную вакансию, а не «универсальное»
  • Ответы хранятся: правится любой, а не весь разговор заново
  • Всё в аккаунте — открывается с любого устройства

Разыгрываем

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Правила розыгрыша

Frontend Engineer

Softwareingenieur:in .NET/C#

M&S Software Engineering

Удалённоparttime

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Описание вакансии

M&S Software Engineering entwickelt seit 35 Jahren innovative Softwarelösungen für Sozialversicherungsunternehmen in der Schweiz. Mit 180 Mitarbeitenden in Bern (Wankdorf) und Schlieren (ZH) prägen wir die Zukunft der Sozialversicherungswelt mit. Durch unsere Arbeit leisten wir einen nachhaltigen Beitrag für die soziale Vorsorge der Schweizer Bevölkerung.

Unsere Unternehmenskultur basiert auf Teamgeist, Respekt und Wertschätzung. Wir bieten attraktive Arbeits- und Anstellungsbedingungen und wurden schon mehrfach als Top-Arbeitgeber ausgezeichnet.

Aufgaben

  • Du entwickelst und wartest komplexe Web-Applikationen auf Basis von .NET/C# und Microsoft SQL Server.

  • Du arbeitest meist in unterschiedlichen Projekten eingebettet in Scrum Teams.

  • Du unterstützt unsere Lösungsarchitekten und Projektleiter vom Lösungskonzept bis hin zur Abnahme.

  • Du stehst unseren Produktberatern bei Problemstellungen unserer Kunden zur Seite.

  • Mit Code-Reviews und Unit-Tests leistest du einen wichtigen Beitrag an unsere Softwarequalität.

Qualifikation

  • Ein abgeschlossenes Studium in Informatik, Naturwissenschaften, Mathematik oder Technik.

  • Von Vorteil mehrjährige Berufserfahrung in der Softwareentwicklung.

  • Praktische Erfahrung mit unseren Kerntechnologien .NET/C# und Microsoft SQL Server.

  • Selbständige, strukturierte und lösungsorientierte Arbeitsweise.

  • Freude am Arbeiten in Teams und an agiler Vorgehensweise.

  • Sehr gute Deutsch- sowie gute Englischkenntnisse.

Benefits

Attraktive Arbeitsbedingungen:
Homeoffice und Teilzeitarbeit, Förderung von Gesundheit und Sozialem, Erfolgsbeteiligung, ...

Grosszügige Fringe Benefits:
Kostenbeteiligungen (persönliche IT-/Homeoffice-Infrastruktur, Handy-Abo, Verpflegung, ÖV/Parkplatz, Sport-/Fitnessabo), Dienstaltersgeschenk ...

Bildung und Karriere:
Professionelle Einführung, Förderung betrieblicher und persönlicher Weiterbildung, Karrieremöglichkeiten, ...

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Frontend Engineer

Android engineer Squad Real Estate Maps (N/F/H)

leboncoin

Удалённоsenior

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Описание вакансии

Description Du Poste
*leboncoin, est le 1er site généraliste de vente entre particuliers en France, leader sur les marchés de l’immobilier et l’automobile, acteur clé sur les biens de consommation de seconde main et sur l’emploi. Chaque mois leboncoin est plébiscité par 30 millions de Français qui apprécient la richesse de son offre et la facilité des échanges qu’il permet au quotidien.

leboncoin a été élu Marque préférée des Français dans les catégories “site de seconde main”, “immobilier” et “automobile” en 2026.*
Exigences du poste
Nous recherchons actuellement
un·e Développeur·euse Android
pour rejoindre la feature team "Maps"

L'équipe :

L'équipe Maps est un pilier stratégique crucial pour Leboncoin. Notre mission est de révolutionner l'expérience de recherche locale d’annonces à travers des fonctionnalités cartographiques de pointe, intégrées à l'ensemble de nos plateformes.

Nous sommes une équipe internationale dynamique et pluridisciplinaire, composée de :

  • 3 développeurs Backend
  • 1 développeurs iOS
  • 1 développeurs Android
  • 1 développeurs Web
  • 1 Quality Analyst
  • 1 Product Manager
  • 1 Engineering Manager

Notre force réside dans notre collaboration étroite avec les équipes Data et UX, nous permettant de créer des solutions cartographiques innovantes, performantes et parfaitement adaptées aux besoins de nos utilisateurs, qu'ils soient particuliers ou professionnels.

Objectifs stratégiques pour 2026 :

  • Maps Experience : Redéfinir les standards de la recherche cartographique Leboncoin en offrant une expérience fluide, intuitive et immersive. Nous visons à réduire les frictions et à augmenter l'engagement utilisateur sur ce mode de recherche locale très adapté au secteur de l’immobilier.
  • Maps Precision : Enrichir significativement l'expérience utilisateur en perfectionnant notre gestion des quartiers et en augmentant le volume d'adresses précises. Notre objectif est d'atteindre une granularité géographique inégalée sur le marché.
  • Maps Visibility : Développer des algorithmes de pointe pour mettre en évidence les biens et les informations les plus pertinents pour chaque utilisateur.

En tant qu'équipe Maps, nous sommes déterminés à repousser les limites de l'innovation de la recherche géospatiale, contribuant ainsi de manière significative au succès et à la croissance de Leboncoin. Notre engagement envers l'excellence technique et l'expérience utilisateur nous positionne comme un moteur essentiel de la croissance de notre entreprise.

Vos missions :

  • Concevoir, développer et maintenir des fonctionnalités robustes et performantes de l’application Android Leboncoin sur le scope Maps
  • Collaborer étroitement avec nos product managers, UX et développeurs pour implémenter de nouvelles fonctionnalités
  • Contribuer à l'amélioration continue de notre architecture applicative.
  • Optimiser la performance et la scalabilité de notre application.

Responsabilités liées au poste
Ce que nous attendons pour ce poste:

  • Expérience sur des sujets de cartographie / recherche géospatiale.
  • Expérience d'au moins 5 ans en développement Android.
  • Capacité à évaluer les décisions architecturales ; à faire les compromis, à prendre des décisions et à les mettre en œuvre
  • Connaissance et pratique des méthodologies Agile (Scrum / Kanban Flow)
  • Aptitude à travailler en équipe, à partager ses connaissances et aider les autres.
  • Un bon niveau d'anglais pour permettre de communiquer techniquement avec les équipes situées dans d’autres pays.

Compétences techniques requises :

  • Maîtrise de Kotlin, avec une solide expérience en développement d'applications Android
  • Excellente compréhension du SDK Android et du cycle de vie des applications Android
  • Expérience des composants Android Jetpack, notamment :
  • ViewModel
  • Compose (pour la création d'interfaces utilisateur modernes)
  • DataStore (pour le stockage des données)
  • Bonne connaissance des API REST et du format JSON
  • Maîtrise des outils de gestion de versions avec Git
  • Expérience de l'injection de dépendances, de préférence avec Dagger ou Hilt
  • Compréhension des architectures et des modèles de conception MVVM

Avantages du poste

  • Des conditions de travail agréables (locaux, télétravail…)
  • Une rémunération attractive
  • Une carte tickets restaurants et une couverture mutuelle et prévoyance efficace et compétitive et plus

***Chez leboncoin, nous sommes convaincus que la diversité des parcours, des expériences et des points de vue est une richesse essentielle. Cet engagement se reflète pleinement dans notre processus de recrutement : nous évaluons chaque candidature uniquement au regard des compétences, de l’expérience et de la motivation, sans aucune forme de discrimination.

Si vous avez besoin d’un aménagement spécifique dans le cadre du processus de recrutement, n’hésitez pas à nous en faire part : nous serons ravis de vous accompagner.***

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Frontend Engineer

Senior Front-End Developer (Angular)

Worldly

Удалённоfulltimesenior

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Описание вакансии

Location: Remote - South America, Balkan Region, Mexico (location restrictions apply)
About Worldly
Worldly is the world’s most comprehensive impact intelligence platform — delivering real data to businesses on impacts within their supply chain. Worldly is trusted by 40,000 global brands, retailers, and manufacturers to provide the single source of ESG intelligence they need to accelerate business and industry transformation.

Through strategic and meaningful customer relationships, Worldly provides key insights into supplier performance, product impact, trends analysis, and compliance. When a company wants to positively improve their environmental and societal impact, we enable that systemic shift.

Backed by a dedicated global team of individuals aligned by values, Worldly proudly operates as a public benefit corporation with backing from mission-aligned investors. Want to learn more? Read our story.

About The Opportunity
We are seeking an experienced and highly skilled Senior Angular/Front-End Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining a large-scale Angular front-end application, as well as collaborating with the backend team to ensure seamless integration.

What You'll Do

  • Design and develop complex, scalable, and high-performance Angular applications using the latest versions of Angular and related technologies.
  • Implement best practices for code structure, maintainability, and performance optimization.
  • Utilize NGRX for state management and RxJS for reactive programming within the Angular application.
  • Collaborate with the backend team to integrate the front end with RESTful APIs or other backend services.
  • Ensure cross-browser compatibility and responsive design for optimal user experience on various devices.
  • Write clean, well-documented, and testable code using industry-standard coding practices.
  • Participate in code reviews and provide guidance to junior developers.
  • Stay up-to-date with the latest trends, best practices, and emerging technologies in the Angular ecosystem.

We'd Like to See

  • Proven experience in designing, developing, and maintaining large-scale Angular applications (version 8 or later).
  • Strong proficiency in TypeScript, HTML5, CSS3, and modern JavaScript (ES6+).
  • Extensive experience with NGRX for state management and RxJS for reactive programming.
  • Familiarity with building reusable and testable Angular components, services, and modules.
  • Experience with front-end build tools and processes, such as Webpack, Gulp, or Grunt.
  • Knowledge of responsive web design and cross-browser compatibility techniques.
  • Familiarity with backend technologies (e.g., Node.js, Java, .NET) and RESTful API integration.
  • Proficient in version control systems, such as Git.
  • Strong problem-solving and debugging skills.
  • Excellent communication and teamwork abilities.

It Helps If You have

  • Experience with front-end testing frameworks (e.g., Jest, Jasmine, Karma).
  • Knowledge of cloud platforms and deployment processes (e.g., AWS, Azure).
  • Strong proficiency in using AI coding tools effectively within an existing codebase.
  • Familiarity with agile methodologies and project management tools.
  • Experience with UI/UX design principles and accessibility standards.
  • Familiarity with front-end performance optimization techniques.
  • Experience with Monorepos, ideally the NX Monorepo framework.
  • Experience with Module Federation.
  • Experience with Kendo UI for Angular.
  • Experience with advanced charts and graphs.

What We Can Offer You

  • Comprehensive benefits package, including a 401(k) plan with employer match for U.S.-based employees
  • Statutory benefits provided in accordance with local labor laws for employees outside the U.S., administered through Deel
  • 100% employee premiums covered by Worldly
  • Growth Opportunities
  • Equipment Stipends
  • Unlimited PTO
  • Paid company holidays

Life at Worldly
Our team is motivated to transform the way products are made. By helping our customers succeed in a new era of sustainable production, we can build technology that makes a difference on a planetary level.

Our team represents over 15 countries and brings unique experiences from technology to farming to the table. Surround yourself with kind, enthusiastic, and dedicated people who put collaboration and growth at the center of our shared goals.

Benefits And Perks

  • Earn a competitive salary and performance-based bonuses. Get healthcare, retirement matching, and equity for US employees.
  • Use our work-from-home stipend to get the supplies you need.
  • Flexible time off. Take the time you need to recharge. Our culture encourages team members to explore and rest to be their best selves.
  • We're remote, not lonely. Join the culture committee, coffee chats, book club, or a variety of other interest groups.

Equity Statement
We believe reflecting the diversity of those we strive to serve is essential. True innovation happens when everyone has room at the table, including the tools, resources, and opportunity to excel. We’re dedicated to building a culturally and experientially diverse team that leads and works with empathy and respect.

Compensation Overview
$45,000 - $75,000 Annually (USD)

10% Annual Bonus

Work-From-Home Stipends

  • Final compensation details will be determined based on a wide variety of factors, including experience and location. These factors will be evaluated and considered by Worldly throughout the entirety of this process.
  • For candidates located outside the U.S., the salary range listed in USD will be paid in the local currency equivalent at the time of offer using the then-current exchange rate.

Compensation Range: $45K - $75K

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Frontend Engineer

Javascript Developer - Remote

YO IT Consulting

Удалённоfulltime

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Описание вакансии

Job Description
Job Title:
Javascript Developer

Job Type:
Contract

Location:
Remote

Job Summary:
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

  • Design, develop, and optimize robust frontend solutions using advanced JavaScript techniques.
  • Collaborate closely with cross-functional teams to translate business requirements into intuitive digital interfaces.
  • Lead architectural decisions and mentor junior developers, ensuring best practices and code quality across the team.
  • Implement modern frontend frameworks and libraries to deliver scalable and maintainable applications.
  • Conduct code reviews, provide constructive feedback, and continuously advocate for clean, efficient code.
  • Troubleshoot complex issues, proactively identifying and resolving performance bottlenecks.
  • Stay abreast of industry trends, introducing innovative technologies and approaches to improve development workflows.

Required Skills And Qualifications

  • Extensive experience building sophisticated web applications with JavaScript.
  • Expertise in modern frontend frameworks (e.g., React, Vue, Angular) and state management tools.
  • Demonstrated ability to write clean, maintainable, and well-documented code.
  • Excellent written and verbal communication skills, with a strong commitment to clarity and collaboration.
  • Proven track record of driving frontend architecture and leading development initiatives.
  • Strong understanding of web performance optimization and responsive design principles.
  • Experience working in remote, distributed teams.

Preferred Qualifications

  • Experience mentoring or coaching other developers.
  • Background in building accessible and internationalized web interfaces.
  • Familiarity with automated testing, CI/CD pipelines, and version control systems.

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Senior Full Stack Engineer (React + Node.js + CRM) - Remote - Latin AmericaFullStack

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