Senior JavaScript Developer

hackajob is collaborating with Version 1 to connect them with exceptional professionals for this role. Job Description As a Senior JavaScript Developer, you will join a cross-functional Scrum Team working collaboratively in an Agile environment. You will drive key front‑end and back‑end JavaScript technology decisions and build maintainable, scalable solutions for our clients. This role offers strong opportunities for continuous learning, technical ownership, and growth as a well-rounded developer. You will develop modern applications using JavaScript and relevant frameworks, hosted on Microsoft Azure cloud services. Strong emphasis is placed on collaboration, clean coding practices, and delivering high-quality solutions. While GIS experience is beneficial, it can be taught; deep JavaScript expertise is essential. Key Responsibilities

• Design, develop, and maintain applications using JavaScript across front-end and/or back‑end services.
• Build and consume RESTful APIs.
• Implement and maintain CI/CD pipelines and automation workflows.
• Write unit and integration tests to ensure high code quality.
• Collaborate within a Scrum Team, participating in all Agile ceremonies.
• (Optional / Trainable) Work with GIS technologies such as the ESRI SDK and ArcGIS suite to integrate spatial data and mapping capabilities into applications.

QualificationsEssential Criteria

• 5+ years of hands-on JavaScript development experience.

• Experience with TypeScript is acceptable, but this role is focused on pure JavaScript.

• Strong knowledge of modern JavaScript frameworks (e.g., React, Angular, Vue, or Node.js for backend).
• Proven experience designing and developing REST‑based APIs.
• Experience with CI/CD automation tools and modern DevOps practices.
• Proficiency with Azure and familiarity with common cloud services.
• Strong experience writing unit, integration, and automated tests.
• Prior experience working in Agile/Scrum teams.