Middle/Senior JavaScript Developer

2 tygodni temu

Warszawa, Mazovia, Polska Sigma Software Pełny etat
Job Description
  • Create and maintain JavaScript SDKs for the accessibility testing engine, supporting frameworks like Cypress and Playwright.
  • Extend functionality of existing frameworks to enhance testing capabilities and ensure a seamless developer experience.
  • Collaborate with the team to harmonize SDK frameworks, ensuring consistency and maintainability across different tools.
  • Continuously improve SDK performance, usability, and maintainability.
  • Participate in the Scrum process - planning, estimating, and delivering features and bug fixes.
  • Ensure robust and easy-to-use SDKs by following best practices in coding, testing, and documentation.
  • Stay updated with the latest in JavaScript, web development, and accessibility technologies.
Qualifications
  • 3+ years of experience with JavaScript programming language and its ecosystem.
  • Hands-on experience with Vanilla JS.
  • Proven experience with test automation frameworks such as Cypress and Playwright.
  • Deep understanding of web technologies, including HTML, CSS, and DOM manipulation.
  • Familiarity with JavaScript build tools and bundlers like Webpack, Rollup, or Parcel.
  • Knowledge of JavaScript testing frameworks like Jest, Mocha, or Jasmine.
  • Experience with version control systems, notably Git and GitHub.
  • Understanding accessibility principles and guidelines (WCAG, WAI-ARIA).
  • Experience with cross-browser compatibility testing and debugging.
  • Knowledge of CI/CD concepts and familiarity with tools like Jenkins, Travis CI, or CircleCI.
  • Upper-Intermediate level of English.

WOULD BE A PLUS

  • Familiarity with TypeScript and its benefits in SDK development.
Additional InformationPERSONAL PROFILE
  • Strong analytical mindset and problem-solving skills.
  • Proactive and self-motivated.
  • Strong communication and collaboration skills.
  • Passion for writing clean, maintainable, and efficient code.

  • Middle Strong/Senior MERN Full Stack Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska Selecto Pełny etat

    Position: Middle Strong/Senior MERN Full Stack DeveloperLocation: Dubai (Relocation Required)Engagement: Fixed-term, 1 year (renewable)About the Role:We are seeking a highly skilled Middle Strong/Senior MERN Full Stack Developer to join our team on-site in Dubai. The ideal candidate will have extensive experience in building and maintaining robust...

  • Middle / Senior iOS Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska Elinext Pełny etat

    We are searching for Middle / Senior iOS Developer to join our Home Smart Security team in the Warsaw office. As an engineer at Elinext, you'll collaborate with different teams like product, analytics, and operations on code that empower us to iterate quickly, while focusing on delighting our customers. Demonstrate the initiative and method for solving...

  • Middle Strong/Senior iOS Developer with Hybrid

    2 tygodni temu

    Warszawa, Mazovia, Polska Selecto Pełny etat

    Position: Senior iOS Developer with Hybrid (React Native/Flutter) ExperienceLocation: Dubai (Relocation Required)Engagement: Fixed-term, 1 year (renewable) About the Role:We are looking for an experienced Middle Strong/Senior iOS Developer with expertise in hybrid development (Flutter or React Native) to join our team in Dubai. The successful candidate will...

  • / Javascript Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska HAYS POLAND Sp. z o.o. Pełny etat

    / Javascript Developer - advancedlokalizacja: Warszawa (mazowieckie)numer referencyjny: Hays IT Contracting to współpraca oparta na zasadach B2B. Nasza firma dopasowuje specjalistów IT do najciekawszych projektów technologicznych na rynku.Dołącz do grona 500 zadowolonych Kontraktorów i pracuj dla Klientów HaysObecnie dla naszego Klienta poszukujemy...

  • Senior Strong Middle Frontend Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska Palapa Technologies Pełny etat

    Hello from PalapaAs you already know, we are looking for an experienced Senior / Strong Middle Frontend Developer for the Palapa team, where you will be responsible for building and maintaining web applications - we will tell you more about that in the first level of the recruitment processYou will have the opportunity to work with a well-coordinated team of...

  • Middle Backend Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska RISK Pełny etat

    Job DescriptionWe are looking for a developer with experience in Ruby on Rails for project employment. The project will last 3-6 months. In the future, it is planned to refactor and transfer the backend to another technology. Long-term business relationships are possible in case of successful cooperation.Qualifications2-3 years of experience developing with...

  • Middle Drupal developer

    2 tygodni temu

    Warszawa, Mazovia, Polska Yalantis Limited Pełny etat

    Middle Drupal developer (вакансія неактивна) Київ, Львів, Дніпро, Ларнака (Кіпр), Варшава (Польща), віддалено Українська IT компанія Yalantis запрошує до співпраці досвідченого PHP Developer (Drupal) розробника.Клієнт —...

  • Senior JavaScript Developer Cybersecurity Solution @

    2 tygodni temu

    Warszawa, Mazovia, Polska Sigma Software Pełny etat

    We are working with a highly dynamic AdTech ecosystem with the goal of protecting the world from malvertising.Being our team member means being open-minded, proactive and friendly, supportive, ready to accept challenges, take responsibility, and never stop learning. We need to be one step ahead of attackers, which means being smarter, quicker, and looking...

  • Senior React Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska HOVER SENIOR LIVING COMMUNITY Pełny etat

    Overview:SOFTSWISS continues to expand the team and is looking for a Senior Frontend Developer(React).We need a true, experienced and accomplished professional who shares our culture and values.About Product:SOFTSWISS Casino PlatformFull-service modular software platform to manage online casino operationsLearn MoreKey responsibilities:Work in a fully agile...

  • Senior Fullstack Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska HOVER SENIOR LIVING COMMUNITY Pełny etat

    *instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements. Our team is looking for a Senior Fullstack Developerwith Backend Focus for one of our clients.The...

  • Senior Python Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska HOVER SENIOR LIVING COMMUNITY Pełny etat

    *instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements.*instinctools is looking for a Senior Python Developer for one of our clients. Our Client is one of...

  • Middle Java Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska IDT Corporation Pełny etat

    We are looking for a motivated Middle Java Developer passionate about tech development to join our highly skilled team. You will work on one of our flagship and technically challenging products, the Net2Phone Team .Our team consists of outstanding professionals with advanced experience in the VoIP area, based in Belarus and the USA. Here, you can realize...

  • Mid/Senior Frontend developer @

    2 tygodni temu

    Warszawa, Mazovia, Polska Dynamic Solutions Pełny etat

    Mid/Senior Frontend developer @ Dynamic Solutions Warsaw, Masovian Voivodeship Mid/Senior Frontend developer @ Dynamic Solutions Warszawa Warsaw, Masovian Voivodeship, Polska We're not your typical team; we're a close-knit IT community with creative minds, brewing fantastic ideas during our daily office coffee sessions. Interested in joining the vibe?...

  • Senior Frontend Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska EAGERDEVS Pełny etat

    Poszukujemy wykwalifikowanego Senior Frontend Developera, który dołączy do zespołu naszego klienta. Jako developer będziesz kluczową osobą w rozwoju internetowego frontendu - Rozwiązania Zarządzania Zasobami LudzkimiForma zatrudnienia: Kontrakt B2BStart: ASAPBudżet: PLN/mc Obowiązki: Opracowanie oraz ewentualnie projektowanie części frontendu...

  • Senior Frontend Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska EAGERDEVS Pełny etat

    Poszukujemy wykwalifikowanego Senior Frontend Developera, który dołączy do zespołu naszego klienta. Jako developer będziesz kluczową osobą w rozwoju internetowego frontendu - Rozwiązania Zarządzania Zasobami LudzkimiForma zatrudnienia: Kontrakt B2BStart: ASAPBudżet: PLN/mcObowiązki:Opracowanie oraz ewentualnie projektowanie części frontendu...

  • Senior Frontend Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska EAGERDEVS Pełny etat

    Poszukujemy wykwalifikowanego Senior Frontend Developera, który dołączy do zespołu naszego klienta. Jako developer będziesz kluczową osobą w rozwoju internetowego frontendu - Rozwiązania Zarządzania Zasobami LudzkimiForma zatrudnienia: Kontrakt B2BStart: ASAPBudżet: PLN/mc Obowiązki: Opracowanie oraz ewentualnie projektowanie części frontendu...

  • Senior MS Developer 365

    2 tygodni temu

    Warszawa, Mazovia, Polska L.M. Group Poland Pełny etat

    Senior MS Developer 365 (CRM) Senior MS Developer 365 (CRM) Warszawa Warszawa, mazowieckie, Polska Opis stanowiska pracySenior MS Developer 365 (CRM)We are an international recruitment agency founded in 1987, present in Poland since 2014. We specialize in recruiting for permanent and temporary positions. Our headquarters are located in Poznań, and we also...

  • Senior PHP Developer + Hirgin now

    2 tygodni temu

    Warszawa, Mazovia, Polska OnHires Pełny etat

    Senior PHP Developer - Join the team now in the industrySummary:OnHires is looking for a skilled Senior PHP Developer to be part of our dynamic team. If you love coding and have a solid background in PHP development, we're interested in youResponsibilities:Design, create, and maintain web applications using PHPCollaborate with diverse teams to define,...

  • Senior PHP Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska Recooty Pełny etat

    Summary: OnHires is seeking a talented Senior PHP Developer to join our dynamic team. The ideal candidate will be responsible for developing and maintaining high-quality web applications using PHP. If you have a passion for coding and a strong background in PHP development, we want to hear from you Responsibilities:Design, develop, and maintain web...

  • Senior Java Developer

    2 tygodni temu

    Warszawa, Mazovia, Polska DEVTALENTS Sp. z o.o. Pełny etat

    About us:We are looking for a Senior Java Developer to be a part of DEVTALENTS team and contribute to development of truly amazing solution for businesses all over the world.Joining DEVTALENTS can be a life-changing decision for you, with endless benefits along the way. We provide top projects for which recruitment is not possible externally because of our...