Senior Front-End Engineer

Há 4 dias

Brazil Station70 Tempo inteiro

Job Type: Full-time, Indefinite Contract, Remote (US CST, EST, MST time zones)


About Station70

Station70 is redefining digital asset security through our wallet-agnostic platform for scalable and secure digital asset key backup and recovery. Named after the protective bunkers used in the CASTLE nuclear tests, we offer trusted infrastructure for safeguarding assets against wallet provider interruptions and failures while also meeting complex security and regulatory needs. Our engineering team builds zero-knowledge architecture solutions that eliminate counterparty risk while meeting complex security and regulatory requirements.


The Role

As we rapidly expand our platform capabilities, we are seeking an exceptional senior front-end engineer to join our engineering team.


Key Responsibilities

  • Maintain and enhance our existing Svelte-based web application to improve user experience and functionality
  • Design and implement new front-end features that integrate seamlessly with our secure backend systems
  • Develop and maintain JavaScript unit tests and Playwright-based integration tests in TypeScript
  • Collaborate closely with cross-functional teams to define, design, and ship new features
  • Troubleshoot and debug issues as they arise, ensuring a reliable user experience
  • Take part in an incident response on-call schedule


Required Qualifications

  • Extensive experience in front-end development, particularly with Svelte and JavaScript
  • Proven track record of delivering high-quality, high-impact features for successful projects
  • Strong problem-solving skills and attention to detail
  • Proficient in building and maintaining integration tests with Playwright in TypeScript
  • Excellent understanding of testing frameworks and methodologies, including unit and integration testing
  • Effective communication skills and a collaborative team player


Preferred Qualifications

  • Knowledge of RESTful APIs and integrating front-end applications with backend services
  • Experience using and maintaining CI/CD pipelines, we use GitHub Actions


Why Join Station70

  • Work with a dynamic, innovative, and supportive team led by industry experts
  • The opportunity to have a significant impact on an industry-transforming product
  • Exposure to cutting-edge technologies and the latest advancements in digital asset security


Our platform enables trust and adds efficiency to operations, and we're looking for team members who share our commitment to excellence in security and scalability.


If you're an exceptional engineer, thrive in a fast-paced environment, and want to make a substantial contribution to a pioneering technology company, we'd love to hear from you. Please provide your CV, GitHub profile, and LinkedIn profile.

  • Senior Front-End Engineer

    Há 5 dias

    Brazil, BR Station70 Tempo inteiro

    Job Type: Full-time, Indefinite Contract, Remote (US CST, EST, MST time zones)About Station70Station70 is redefining digital asset security through our wallet-agnostic platform for scalable and secure digital asset key backup and recovery. Named after the protective bunkers used in the CASTLE nuclear tests, we offer trusted infrastructure for safeguarding...

  • Desenvolvedor Front-End Sr

    4 meses atrás

    Brazil Genesis Consulting Partners, LLC Tempo inteiro

    Desenvolvedor Front-End Sênior (Back End) Job DescriptionA Genesis Consulting tem oportunidade imediata para Desenvolvedores Front-End experientes com verdadeira paixão por crescimento profissional e entrega de valor através da tecnologia. Nossos clientes são alguns dos principais líderes mundiais em diferentes indústrias e o candidato fará parte de...

  • Desenvolvedor Front-End Sr

    3 meses atrás

    Brazil, BR Genesis Consulting Partners, LLC Tempo inteiro

    Desenvolvedor Front-End Sênior (Back End) Job DescriptionA Genesis Consulting tem oportunidade imediata para Desenvolvedores Front-End experientes com verdadeira paixão por crescimento profissional e entrega de valor através da tecnologia. Nossos clientes são alguns dos principais líderes mundiais em diferentes indústrias e o candidato fará parte de...

  • Desenvolvedor Front-End Sr

    3 meses atrás

    Brazil Genesis Consulting Partners, LLC Tempo inteiro

    Desenvolvedor Front-End Sênior (Back End) Job Description A Genesis Consulting tem oportunidade imediata para Desenvolvedores Front-End experientes com verdadeira paixão por crescimento profissional e entrega de valor através da tecnologia. Nossos clientes são alguns dos principais líderes mundiais em diferentes indústrias e o candidato fará...

  • Desenvolvedor Front end- React Sênior

    3 semanas atrás

    Brazil Blite Tecnologia Tempo inteiro

    Oportunidade para trabalhar em uma equipe com pessoas experientes na área, atendendo projetos com foco em qualidade e inovação tecnológica.A Blite é uma empresa que foca na sinergia entre as pessoas, para que sempre um possa contar com o outro e assim o ambiente ser saudável, construtivo e produtivo.Estamos em busca de um(a) Desenvolvedor(a) Front-End...

  • Senior Platform Engineer

    3 semanas atrás

    Rio de Janeiro, Brazil, BR Avenga Tempo inteiro

    Avenga is seeking a Senior Engineer with comprehensive DevOps expertise, strong front-end skills, and solid experience with API development to join our team. Our client is a prominent global company specializing in healthcare research.In this role, you will contribute to the company’s Developer Platform, where you will play a key role in empowering...

  • Desenvolvedor Front-End React

    Há 5 dias

    Brazil, BR Iterative; Tempo inteiro

    Desenvolvedor Front-End React - Sênior - Full Remoto - PJResponsabilidades: • Desenvolver e manter componentes de interface reutilizáveis e responsivos utilizando React e Material-UI (MUI). • Implementar e garantir a consistência de design nos componentes desenvolvidos. • Criar e manter testes automatizados (unitários) para garantir a qualidade e...

  • Desenvolvedor Front-End React

    Há 4 dias

    Brazil Iterative; Tempo inteiro

    Desenvolvedor Front-End React - Sênior - Full Remoto - PJResponsabilidades: • Desenvolver e manter componentes de interface reutilizáveis e responsivos utilizando React e Material-UI (MUI). • Implementar e garantir a consistência de design nos componentes desenvolvidos. • Criar e manter testes automatizados (unitários) para garantir a qualidade e...

  • Desenvolvedor(a) Front-end Sênior

    1 dia atrás

    São Paulo, Brazil, BR Webmotors Tempo inteiro

    Descrição da vagaAqui na Webmotors, o(a) Front-end precisa ser curioso(a) e gostar de interagir com pessoas, principalmente com clientes (internos e externos), além do próprio time. Somos responsáveis por definir as melhores práticas de desenvolvimento de front-end, escolha de linguagens e padrões de desenvolvimento. Identificar riscos, trabalhar...

  • Senior Software Engineer

    4 semanas atrás

    Brazil Linkeen Tempo inteiro

    Join Our Team as a Senior Backend Engineer!Are you passionate about cutting-edge backend technologies and building scalable, serverless applications? Do you have strong experience in AWS Serverless, AppSync, DynamoDB, GraphQL, and Lambda functions? If you have a knack for designing performant APIs, and it’s a bonus if you have some experience with AI...

  • Senior Back End Engineer

    2 meses atrás

    Brazil SigmaMD Tempo inteiro

    SigmaMD aims to make a meaningful contribution to the world by changing the way people manage their health. Our growing engineering and product team has deep expertise in consumer tech. We are combining our diverse backgrounds to innovate in Digital Health.Our goal is to make millions of lives healthier by using technology. We strive to empower patients to...

  • Mid/Senior/Principal Front End developer

    3 semanas atrás

    Brazil Pentasia Tempo inteiro

    Let's start with the role: You will join an autonomous Agile team and work closely with the Product Owner, Agile Delivery Lead, Automation Testers, and other Software Engineers to create a competitive advantage for Kaizen and offer a unique digital experience to our customers. Besides being part of the Agile team, you will work closely talented frontend...

  • Mid/Senior/Principal Front End developer

    3 semanas atrás

    Brazil Pentasia Tempo inteiro

    Let's start with the role:You will join an autonomous Agile team and work closely with the Product Owner, Agile Delivery Lead, Automation Testers, and other Software Engineers to create a competitive advantage for Kaizen and offer a unique digital experience to our customers. Besides being part of the Agile team, you will work closely talented frontend...

  • React Native Engineer

    Há 1 mês

    Brazil Coltech Tempo inteiro

    Front-End React DeveloperRemoteASAP startMy client is a FinTech organisation looking for an experienced Front End Developer to join their team.Summary:As a Front-End React Native Developer (Expo), you will play a pivotal role in shaping the user experience of their products. You will work with React to build responsive user...

  • React Native Engineer

    Há 1 mês

    Brazil, BR Coltech Tempo inteiro

    Front-End React DeveloperRemoteASAP startMy client is a FinTech organisation looking for an experienced Front End Developer to join their team.Summary:As a Front-End React Native Developer (Expo), you will play a pivotal role in shaping the user experience of their products. You will work with React to build responsive user...

  • Fullstack React senior

    2 semanas atrás

    Brazil Instituto de Pesquisas Eldorado Tempo inteiro

    Buscamos pessoas apaixonadas por tecnologia. Alguém que se motive por desafios e atue com autonomia. Precisa gostar de trabalhar em equipe e possuir espírito colaborativo.Responsabilidades e atribuições:Criação e manutenção de APIs para viabilizar a comunicação entre o front-end e o servidor;Otimização de desempenho; Trabalhar com frameworks...

  • Fullstack React senior

    2 semanas atrás

    Brazil, BR Instituto de Pesquisas Eldorado Tempo inteiro

    Buscamos pessoas apaixonadas por tecnologia. Alguém que se motive por desafios e atue com autonomia. Precisa gostar de trabalhar em equipe e possuir espírito colaborativo.Responsabilidades e atribuições:Criação e manutenção de APIs para viabilizar a comunicação entre o front-end e o servidor;Otimização de desempenho; Trabalhar com frameworks...

  • C# Engineer

    2 meses atrás

    Brazil Luxoft Tempo inteiro

    Project Description:Client Technology team has over 100 personnel. It is led by a team of highly experienced finance professionals across multiple disciplines with a platform that is considered an industry leader in trading analytics, risk analysis and operational robustness.This job opening represents an exciting opportunity to join a rapidly growing...

  • C# Engineer

    2 meses atrás

    Brazil Luxoft Tempo inteiro

    Project Description: Client Technology team has over 100 personnel. It is led by a team of highly experienced finance professionals across multiple disciplines with a platform that is considered an industry leader in trading analytics, risk analysis and operational robustness. This job opening represents an exciting opportunity to join a rapidly growing...

  • Senior Software Engineer

    2 semanas atrás

    Brazil, BR Orange Quarter Tempo inteiro

    Orange Quarter have partnered with the fastest growing scale-up in the world and I’m helping them hire Senior Software Engineers for their teams in LATAM as they accelerate towards IPO.They have a market leading HR and Payroll platform that is used by over 35,000 businesses across 150+ countries.This role entails being part of a truly cross-functional...