Senior Software Engineer Jobs

ImmoScout24 GmbH

Standort:
Germany, Berlin

Kategorie:
IT-Softwareentwicklung

Vertragstyp:
Nicht angegeben

Gehalt:

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Jobbeschreibung:

As a Senior Fullstack Engineer, you will play a key role in designing, developing, and deploying secure, user-focused identity and access management (IAM) solutions across the Scout24 digital real estate ecosystem. You will work in diverse, cross-functional teams to build scalable, performant, and secure applications, integrating Single Sign-On (SSO), Identity Federation, and Multi-Factor Authentication (MFA) capabilities. Leveraging modern technologies like AWS, Java/Kotlin, React, and Okta, you will ensure seamless and secure user experiences while protecting sensitive data.

Verantwortlichkeiten:

Design and implement authentication and authorization systems that align with business goals and compliance needs
Develop secure backend logic using Java or Kotlin with Spring and serverless TypeScript, and user-friendly interfaces in React
Integrate and administer Okta, implementing OAuth 2.0, OpenID Connect (OIDC), and custom sign-on policies and rules
Develop and automate identity workflows using Okta Workflows and monitor and troubleshoot SSO systems to ensure reliability
Manage API security & token management, safeguarding communication between distributed services
Own the full development lifecycle following the “You build it you run it” principle
Promote engineering excellence by mentoring others, advocating for clean code, continuous delivery, pair programming, and test-driven development
Continuously evaluate and improve security, scalability, and usability of IAM systems by staying abreast of current trends and best practices

Anforderungen:

Bachelor’s degree in computer science or a related field
Significant professional experience as a Senior Fullstack Engineer, working on secure, distributed, cloud-based systems
Expertise in both backend (Java/Kotlin, Spring) and frontend (React, TypeScript) development
Strong hands-on experience with Okta administration and integration, including automation, custom policies, and monitoring
In-depth knowledge of OAuth 2.0, OpenID Connect (OIDC), SSO, MFA, Identity Federation, and API security/token management
Familiarity with AWS services and Infrastructure as Code (IaC) principles
Proven ability to collaborate with product managers, UX designers, and stakeholders to deliver secure and user-friendly solutions
Excellent communication and leadership skills, with experience mentoring engineers and promoting secure engineering practices
Passion for technology, curiosity, and commitment to delivering high-quality, secure, and maintainable software
Experience leveraging AI tools to drive problem-solving and productivity, maintaining effective human oversight and judgement

Was wir biete:

Competitive salary package and a bonus on top
Hybrid work model with three days of on-site work per week
30 days of vacation per year
Possibility to work from abroad for 10 days per year
Relocation agency supports with visa process and an attractive relocation package
Plus membership for tenants on ImmoScout24
Dedicated learning time per month, online courses on ScoutAcademy, regular book challenges, structured feedback, “Lunch & Learn”-Events and individual career paths
Professional family service to help find a childcare center or offers emergency childcare
Bring your dog to work (upon approval)
Subsidize public transport or Job Bikes
Company pension scheme with an attractive subsidy
Barrier-free office in the heart of Berlin at the central station
Own gym with regular courses, napping room, rooftop terrace, organic coffee, cafeteria, 100% green electricity and a massage therapist
Life Situation Coaching, regular health check ups
Work with the latest technical tools and hardware

Zusätzliche Informationen:

Job veröffentlicht:
09. Dezember 2025

Arbeitsart:

Hybride Arbeit

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Senior Software Engineer