Web Application Developer (Enterprise Interface Specialist)

Contract Duration: 3 years, with possible extension

Experience Required: 3+ years.

Industry Experience: Utilities & Energy (Energie & Wasserversorgung) or Telecommunications or Banking & Financial Services or Information Technology & Services

Role Overview

We are looking for an experienced Web Application Developer to support a long-term enterprise project in Basel. This is a 3-year contract role with the possibility of extension.

The ideal candidate will have strong hands-on experience in designing, developing, and maintaining secure, scalable, and high-performance Web applications. The role requires solid expertise across the following technologies.

• Angular 14+, React.js (Microsoft Blazor represents a highly valued secondary asset).
• Web Fundamentals: TypeScript (expert), JavaScript (ES6+), HTML5, CSS 3.0, Sass/Less preprocessors.
• Design Frameworks: Bootstrap 5+, Angular Material, Tailwind CSS.

Core Responsibilities

• Component Architecture: Translate complex UI/UX screen design blueprints, interactive mockups, and state specifications into modular, reusable, testable, and highly optimized frontend code structures.
• Responsive Layout Engineering: Build fluid and responsive user interfaces that render uniformly across distinct end-user browser engines (Chromium, WebKit, Gecko) and varying hardware display geometries (desktop, tablet, industrial monitors).
• Backend Interface Binding: Map and integrate complex asynchronous state transitions, binding modern browser components to decoupled server-side RESTful endpoints and traditional SOAP XML web services over secure transport layers.
• Telemetry & Monitoring Injection: Code and integrate proactive tracking tools within client bundles to measure runtime performance latencies, intercept runtime frontend scripting errors, and format structured client-side access logging.
• Authentication Handshaking: Set up secure, federated frontend session initialisations by mapping secure token storage, identity handshake routines, and access validation callbacks via enterprise access controllers.

• Minimum of 3 to 5+ years of demonstrable enterprise frontend application development experience within multi-tier, enterprise-grade application environments.
• Strong hands-on experience with Angular 14+ and/or React.js for building scalable, maintainable, and high-performance frontend applications.
• Expert-level knowledge of TypeScript, with strong practical experience in JavaScript ES6+, HTML5, CSS 3.0, and modern frontend development standards.
• Experience working with modern UI and design frameworks such as Bootstrap 5+, Angular Material, and Tailwind CSS.
• Good working knowledge of CSS preprocessors such as Sass or Less for structured and reusable styling.
• Experience integrating frontend applications with enterprise identity and access management systems, including Keycloak, OAuth2, OpenID Connect, and SAML-based authentication flows.
• Good understanding of secure coding, performance optimisation, and software development lifecycle practices.
• Ability to work independently as well as part of a distributed project team.
• Languages : Flawless bilingual/native-level business German communications proficiency (C1/C2 level written and spoken) is required. The candidate must present seamlessly in German during the technical panel interview (Anbieterfachgespräch).
• Swiss Compliance : Must hold EU/EFTA nationality or possess an active, valid Swiss permanent residency/work card (C Permit or unrestricted B/G Permit).
• What We Offer:**
• Opportunity to work on challenging projects and contribute to the growth of our company
• Collaborative and dynamic work environment
• Professional development and growth opportunities
• Competitive salary and benefits package

• As part of our recruitment process, candidates may be invited to complete an initial AI-powered screening with TARA, the ALLPS.AI interview agent.
• TARA helps us make the hiring process faster, fairer, and more consistent by asking structured, role-relevant questions based on the job requirements. The interview is designed to understand your experience, skills, motivation, and suitability for the role.

• Questions about your professional background and relevant experience
• Role-specific technical or functional questions
• Questions about your motivation, availability, and communication skills
• The interview can usually be completed online in 15-20 minutes at a time that is convenient for you. Your responses will be reviewed as part of the overall selection process, together with your CV, application details, and any follow-up interviews with the hiring team.

• We use AI to support the recruitment process, but final hiring decisions are made by people. Human recruiters and hiring managers remain involved in reviewing candidates and making selection decisions.
• We are committed to a transparent, respectful, and fair candidate experience. Your data will be handled confidentially and in accordance with applicable data protection requirements.