Senior Frontend Developer (JavaScript)

We are looking for aSenior Frontend Developerwith expertise in JavaScript to join our team.

In this role, you will contribute to the development of complex web applications while collaborating closely with architecture, integration, and product teams. You will play a key part in shaping technical solutions and supporting cross-team initiatives across the broader engineering community.

Responsibilities

• Develop source code for cross-functional components of high complexity, using appropriate frameworks
• Execute rules and standards for code reviews to maintain quality across the codebase
• Perform reviews and analyses in coordination with the Architecture team
• Prepare estimates and validate them together with the Technical Lead
• Participate in technical discovery meetings to shape upcoming initiatives
• Take part in internal team and portfolio meetings to stay aligned with delivery goals
• Contribute to meetings with Integration Teams to coordinate cross-team dependencies
• Engage in the Architecture Roundtable and support Cell Planning activities
• Participate in BCI LABS and Developers Portal initiatives to advance shared engineering practices

Requirements

• At least 3 years of professional relevant experience in frontend development
• Strong front-end expertise in Angular, HTML5, and JavaScript
• Integration experience with Java, covering concepts such as encapsulation, coupling, pooling, asynchronicity, transactionality, persistence, data structures, memory management, and threads
• Solid knowledge of relational data platforms including engines, SQL, constraints, stored procedures, indexes, and various types of joins
• Familiarity with NoSQL databases, including relevant engines and tools
• Practical command of HTML5, CSS3, SASS (ooCSS, BEM), Bootstrap 3, and Material Design for Angular
• Confident use of JavaScript (ES5 or higher) and Angular 5 or higher, along with libraries such as Linters and Prettier
• Working experience with Node 8 or higher and Express 4 for backend-related development
• Practical knowledge of session and local storage management in the browser
• Experience in defining, developing, executing, and controlling microservices
• Understanding of architecture definition, orchestration, and transactional capabilities for cloud and front-end solutions
• Familiarity with the reference model for microservice architecture and implementation of its components
• Practical knowledge of APIs, including development, execution, and security aspects
• Understanding of various service interfaces, API exchangers, managers, and portals
• Working knowledge of WADL, Markdown, YAML, or JSON for API definition and documentation
• Confident English communication at B2 level or higher, in both written and spoken forms

Nice to Have

• Previous experience or knowledge of enterprise-oriented products such as 360 Connect