Blockchain Developer

2 meses atrás


São Paulo, Brasil Tekton Labs Tempo inteiro

Company: Tekton

Sector: Banking and Finance

Location: Remote (Brazil-based or Portuguese speaker preferred)

Type: Part-time, 20 hours/week (initially for 6-9 months, with potential extension)


Overview:

Tekton is seeking a skilled Blockchain Developer to join a project for a client in the banking and finance sector. The ideal candidate will have strong experience with Solidity, Hyperledger Besu, and JavaScript clients utilizing web3js. This role requires a proactive developer with troubleshooting skills and experience in deploying pipelines.


Key Responsibilities:

  • Write and interact with Solidity smart contracts via Postman calls to JavaScript clients using web3js.
  • Configure and maintain Hyperledger Besu.
  • Conduct troubleshooting, including inspecting the actual client source code; proficiency in TypeScript is essential.
  • Support Java-based clients for interacting with non-private contracts using web3j.
  • Plan, configure, and deploy pipelines for both Smart Contracts and clients using Docker/Podman.


Requirements:

  • Proven experience with Solidity, web3js, and Hyperledger Besu.
  • Strong JavaScript and TypeScript development skills.
  • Familiarity with Java-based blockchain clients (web3j).
  • Experience in CI/CD pipeline setup and deployment using Docker/Podman.
  • Good problem-solving and debugging skills.
  • Located in Brazil or fluent in Portuguese (preferred).


What We Offer:

  • Flexible part-time work, starting at 20 hours per week.
  • Initial contract of 6-9 months, with the possibility of extension based on performance and project requirements.
  • Opportunity to work on a high-impact project in the banking and finance sector.

  • Blockchain Engineer

    3 semanas atrás


    São Paulo, Brasil Yeah! Global Tempo inteiro

    One of our clients based in CA USA is looking to hire 8 talented Blockchain Engineers globally to join their growing team. The ideal candidate will have a strong background in blockchain development with a focus on developing and implementing innovative solutions for our clients. As a Blockchain Developer you will be responsible for designing developing and...

  • Blockchain Developer

    6 meses atrás


    São Paulo, Brasil Jesica.ai Tempo inteiro

    About:Jesica is a recruiting agency that utilizes AI to source, screen and match candidates to right career opportunities. We work on behalf on our clients who are actively seeking qualified candidates to these roles. If you are a candidate either actively looking or just browsing, we highly encourage you to complete the application process as you never know...

  • Blockchain Developer

    4 semanas atrás


    São Paulo, Brasil Tekton Labs Tempo inteiro

    Company : TektonSector : Banking and FinanceLocation : Remote (Brazil-based or Portuguese speaker preferred)Type : Part-time, 20 hours/week (initially for 6-9 months, with potential extension)Overview :Tekton is seeking a skilled Blockchain Developer to join a project for a client in the banking and finance sector. The ideal candidate will have strong...

  • Blockchain Developer

    2 meses atrás


    São Paulo, Brasil Tekton Labs Tempo inteiro

    Company : Tekton Sector : Banking and Finance Location : Remote (Brazil-based or Portuguese speaker preferred) Type : Part-time, 20 hours/week (initially for 6-9 months, with potential extension) Overview : Tekton is seeking a skilled Blockchain Developer to join a project for a client in the banking and finance sector. The ideal candidate will have strong...

  • Senior Blockchain Engineer

    2 semanas atrás


    São Paulo, Brasil Exadel Inc. Tempo inteiro

    We are looking for a Senior Blockchain Engineer (EVM) / Core Developer to join our team of innovators. If your mission is to assist in creating next-level technology solutions that improve how any business is run, you will hit the bull’s eye coming aboard with us. Work at Exadel – Who We Are:Since 1998, Exadel has been engineering its products and custom...


  • São Paulo, Brasil Exadel Tempo inteiro

    We are looking for a Senior Blockchain Engineer (EVM) / Core Developer to join our team of innovators. If your mission is to assist in creating next-level technology solutions that improve how any business is run, you will hit the bull’s eye coming aboard with us. Work at Exadel – Who We Are: Since 1998, Exadel has been engineering its products and...


  • São Paulo, São Paulo, Brasil Talan Tempo inteiro

    About TalanTalan is an international advisory group on innovation and transformation through technology. We have a turnover of 600M€, 5000 employees, and a human-oriented approach to making the new digital age an era of progress for all.Our MissionWe accelerate our clients' transformation through innovation and technology. By understanding their...

  • Backend Developer

    3 semanas atrás


    São Paulo, São Paulo, Brasil Smart Gate Technologies And Consulting Tempo inteiro

    We are seeking a highly skilled Backend Developer to join our team at Smart Gate Technologies And Consulting. As a key member of our development team, you will be responsible for designing and developing robust, efficient, and scalable backend services using Java and Vert.x.This is an excellent opportunity to leverage your technical expertise and passion for...

  • IT Head

    2 semanas atrás


    São Paulo, Brasil Santander Tempo inteiro

    IT Head (BD Ativos Digitais) Country: Brazil A F1RST é o futuro e sua carreira está aqui! Nossa cultura é baseada em “Pessoas, Inovação e Resultados”.️ Fazemos parte do maior banco Internacional do Brasil, um dos maiores bancos do mundo, promovendo serviços e experiências para os mais de 60 milhões de clientes de todo o ecossistema Santander....

  • Backend Developer

    6 meses atrás


    Sao Paulo, Brasil Smart Gate Technologies and Consulting Tempo inteiro

    **About the position** We are looking for a Back-end developer with strong knowledge about Java and Vert.x. **Core responsibilities**: - Programming data storage services: You will be responsible for developing and maintaining robust and efficient data storage services, ensuring data availability and security. - Managing database connections: You are...


  • São Paulo, SP, Brasil IBM Tempo inteiro

    Introduction In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of...


  • Sao Paulo, Brasil Circle Tempo inteiro

    Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data — globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that...


  • São Paulo, Brasil Techunting Tempo inteiro

    As the Product Designer at CCP, you'll play a crucial role in shaping the user experience of our innovative crowdfunding platform. Your focus will be on creating intuitive, attractive, and user-centered designs that align with our business objectives and user needs.Develop high-quality user experiences and interfaces (UX/UI) aligned with CCP's...

  • Full Stack Elixir Developer

    3 semanas atrás


    São Paulo, Brasil Yolo Group Tempo inteiro

    Our Risk & Compliance Development Team is growing, and we are looking for new talent to join us on our journey!  Working at our company means working at a young, international, and fast-paced fintech company that offers an ideal workplace for those who want to have a real impact on the growth of an organization and are craving responsibilities. It also...

  • Full Stack Elixir Developer

    3 semanas atrás


    São Paulo, Brasil Yolo Group Tempo inteiro

    Our Risk Compliance Development Team is growing, and we are looking for new talent to join us on our journey!  Working at our company means working at a young, international, and fast-paced fintech company that offers an ideal workplace for those who want to have a real impact on the growth of an organization and are craving responsibilities. It also...


  • São Paulo, Brasil IBM Tempo inteiro

    Introduction Thomas J. Watson said it best: “Good design is good business.” Visualization is critical to discovering data-driven insights and effectively communicating that knowledge to others. Designers at IBM work to create experiences that work together, work the same, and work for our clients. Does the thought of creating the platform at the heart of...


  • Sao Paulo, Brasil Circle Tempo inteiro

    Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data — globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that...

  • Information Architect

    2 meses atrás


    São Paulo, Brasil IBM Tempo inteiro

    Introduction Thomas J. Watson said it best: “Good design is good business.” Visualization is critical to discovering data-driven insights and effectively communicating that knowledge to others. Designers at IBM work to create experiences that work together, work the same, and work for our clients. Does the thought of creating the platform at the heart of...


  • São Paulo, Brasil IBM Tempo inteiro

    IntroductionThomas J. Watson said it best: “Good design is good business.” Visualization is critical to discovering data-driven insights and effectively communicating that knowledge to others. Designers at IBM work to create experiences that work together, work the same, and work for our clients. Does the thought of creating the platform at the heart of...


  • São Paulo, Brasil IBM Tempo inteiro

    IntroductionThomas J. Watson said it best: “Good design is good business.” Visualization is critical to discovering data-driven insights and effectively communicating that knowledge to others. Designers at IBM work to create experiences that work together, work the same, and work for our clients. Does the thought of creating the platform at the heart of...