Desenvolvedor Fullstack (Go + Flutter + React + Typescript)

Marollic Consulting Ltda; São Paulo; Híbrido; BRL 80.000 - 120.000; Tempo integral

Resumo da oferta

A digital engineering solutions company located in São Paulo, Brazil, is looking for a Senior Frontend UI Developer on a contract basis. This role requires expertise in Angular (version 4+) and React.js, with responsibilities including leading front-end application development and implementing modern web technologies. Candidates should have 5–7 years of experience in front-end development and familiarity with automated testing. A hybrid work model is offered, with 2 days on-site in Vila Olimpia.

Qualificações

• 5–7 years of experience in front‑end development.
• Experience in building complex applications in Angular (version 4+).
• 3+ years experience in React.js.
• Automated testing experience with Jasmine/Karma.
• Experience working with large data sets.

Responsabilidades

• Lead the design and development of complex front-end applications using Angular.
• Implement reactive programming patterns leveraging RXJS.
• Create and maintain automated test suites using Jasmine and Karma.
• Collaborate closely with Agile teams.
• Work hands-on with application development lifecycle activities.

Conhecimentos

Frontend Development

Angular (version 4+)

React.js

Automated Testing (Jasmine/Karma)

NodeJS

E-trading knowledge

Terraform

Ferramentas

REST/RESTful APIs

HTML/CSS

Babel

Webpack

NPM

Descrição da oferta de emprego

About Ascendion

Ascendion is a full‑service digital engineering solutions company that builds and manages software platforms and products for enterprise clients. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for Fortune 500 clients.

Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe.

About the Role

Senior Frontend UI Developer (Contract); Hybrid office model (2 days onsite in Vila Olimpia).

Roles and Responsibilities

• Lead the design, development, and implementation of complex front‑end applications using Angular (version 4+), ensuring high performance and responsiveness across all devices.
• Implement reactive programming patterns leveraging RXJS to handle asynchronous data streams and improve app responsiveness.
• Develop and maintain application state management solutions using Redux/NGRX, ensuring seamless state transitions and data integrity.
• Create and maintain comprehensive automated test suites using Jasmine and Karma to ensure feature reliability and prevent regressions.
• Collaborate closely with cross‑functional Agile teams, participating actively in sprint planning, daily stand‑ups, and retrospectives to deliver iterative value.
• Handle and optimize large data sets within the application, applying best practices in data binding, virtualization, and performance tuning to deliver efficient user experiences.
• Contribute to the development and enhancement of trading platforms, ensuring feature completeness, accuracy, and compliance with business requirements.
• Work hands‑on with application development lifecycle activities, from requirements gathering through deployment and continuous improvement.
• Engage effectively with stakeholders and team members using strong interpersonal and communication skills, facilitating knowledge sharing, requirement clarification, and issue resolution.
• Leverage any experience with OpenFI to integrate and extend platform capabilities, delivering business value and innovation.
• Continuously stay updated with the latest front‑end technologies and industry trends to recommend and incorporate improvements while mentoring junior developers.

Qualifications

• 5–7 years of experience in front‑end development.
• Experience in building complex applications in Angular (version 4+).
• Automated testing experience with Jasmine/Karma.
• Experience working with large data sets.
• Experience with trading platform and application development.
• Experience with OpenFI is beneficial.

Desired Skills

• E‑trading knowledge.
• Terraform.

Project Description

We have an ambitious goal to migrate applications from Angular to React, including complete rewriting where necessary. This includes re‑architecture and redesign.

Responsibilities (Project)

• Design and implement cloud‑based solutions using microservices.
• Be a part of our Agile engineering team.
• Learn new technologies and practices, reuse strategic platforms and standards, evaluate options, and make decisions.
• Effective usage of Angular and React.

Mandatory Skills

• 3+ years experience in React.js.
• 3+ years experience in Angular.js.
• Experience in NodeJS.
• REST/RESTful APIs, HTML/CSS, front‑end build pipelines, and tools such as Babel, Webpack, NPM, etc.

Nice‑to‑Have Skills

• Working with relational databases and caching.
• Experience in Cloud Platforms (Azure/AWS) or willingness to learn new techniques and approaches.