Senior Full-Stack Engineer - AI-Driven, Global Platform

Benifex Denmark A/S; København; Hybrid; DKK 700,000 - 950,000; Full time

Benefits offered by this job

ITP1 pension

Lifeplan – pension advisory service

Collective agreement

Benefits portal access

Wellness allowance

30 vacation days per year

Referral bonuses

Enhanced parental pay

Volunteer Days

Job summary

Benifex Denmark A/S is seeking a Senior Fullstack Engineer to work across frontend and backend areas supporting employee experience products, mobile app, and platform look and feel.

You will contribute to frontend development using React, TypeScript, and Angular, while designing and maintaining backend services with Java, Spring Boot, and SQL. The role emphasizes reliability, security, and maintainability with opportunities to leverage AI-assisted coding tools.

Qualifications

• Experience with fullstack development across frontend and backend.
• Proficient in React, TypeScript, and Angular for UI work.
• Strong backend skills with Java, Spring/Spring Boot, and SQL.
• Experience designing and consuming APIs and integrations.
• Familiarity with CI/CD, testing, and observability in production environments.
• Practical AI-assisted coding experience or interest in AI-driven workflows.

Responsibilities

• Design, build, and maintain fullstack features across employee experience products and platform UI areas.
• Build frontend functionality in React and TypeScript and support existing Angular-based applications.
• Develop and maintain backend services, APIs, and data flows using Java, Spring/Spring Boot, and SQL.
• Integrate frontend experiences with reliable APIs and platform services.
• Refactor legacy code and improve reliability, security, performance, and accessibility.
• Participate in code reviews, testing, documentation, and knowledge sharing.
• Mentor other engineers and contribute to technical decisions.
• Use AI-assisted coding tools to explore codebases, write tests, or accelerate delivery.

Skills

Java

Spring Boot

SQL

React

TypeScript

Angular

API design

CI/CD

Observability

AI-assisted coding

Tools

Java

Spring

React

TypeScript

Angular

SQL

Job description

Benifex Denmark A/S is seeking a Senior Fullstack Engineer to work across frontend and backend areas supporting employee experience products, mobile app, and platform look and feel.

You will contribute to frontend development using React, TypeScript, and Angular, while designing and maintaining backend services with Java, Spring Boot, and SQL. The role emphasizes reliability, security, and maintainability with opportunities to leverage AI-assisted coding tools.