Senior Software Engineer – Java (f/m/d)

IDnow Group; München; Vor Ort; EUR 90.000 - 120.000; Vollzeit

Benefits dieser Stelle

Nilo mental health platform access

Udemy training platform 24/7 access

Workcation options

Paid leave days

Onsite gatherings and events

Zusammenfassung

IDnow is seeking a Senior Software Engineer – Java to design, build, and maintain scalable, secure backend systems for its identity verification platform. You will work in a cross-functional team, contribute to architecture decisions, and mentor juniors to shape technical direction for millions of users globally.

The role is based in Germany with a hybrid office option in Munich or Berlin, offering collaboration with product, UX, DevOps, and QA, plus ongoing learning opportunities and flexible

Qualifikationen

• 5+ years of professional software development experience with Java.
• Experience with Java EE and Spring/Spring Boot.
• Strong knowledge of JVM performance tuning.
• Proficient with relational databases (MySQL, PostgreSQL).
• Experience with RESTful APIs and unit testing (JUnit/Mockito).
• Familiarity with CI/CD, Git, Maven, Docker; Agile/Scrum.
• Experience with Kubernetes, AWS, microservices architectures.
• Experience in security-conscious environments (FinTech, Identity, KYC).

Aufgaben

• Design, develop, and maintain Java applications and microservices powering IDnow’s identity verification platform.
• Contribute to architectural decisions for scalable, secure, and maintainable solutions.
• Write clean, efficient, and well-documented code following best practices and engineering standards.
• Collaborate closely with product managers, UX designers, DevOps, and QA engineers in a cross-functional setup.
• Identify performance bottlenecks, debug complex issues, and optimise applications for high-volume transactions.
• Stay updated with the latest technologies and contribute to technical innovation and continuous improvement.
• Guide and mentor junior developers, conduct code reviews, and share knowledge within the team.

Kenntnisse

Java

Spring Boot

REST API

Unit testing

CI/CD

Docker

Kubernetes

SQL databases

Agile/Scrum

Security/Compliance

Kafka

Tools

Git

Maven

Docker

Kubernetes

AWS

Jobbeschreibung

IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability.

The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries.

This position is based in Germany, preferably Munich / Berlin (Hybrid office also available).

As a Senior Software Engineer – Java, you will play a key role in designing, building, and maintaining scalable, secure, and high-performance backend systems for our identity verification platform. Working in a cross-functional team, you will contribute to architecture decisions, mentor team members, and help shape the technical direction of our products that serve millions of users globally.

Key Responsibilities

• Design, develop, and maintain robust Java applications and microservices powering IDnow’s identity verification platform.
• Contribute to architectural decisions and system design for scalable, secure, and maintainable solutions.
• Write clean, efficient, and well-documented code following best practices and engineering standards.
• Collaborate closely with product managers, UX designers, DevOps, and QA engineers in a cross-functional setup.
• Identify performance bottlenecks, debug complex issues, and optimise applications for high-volume transactions.
• Stay updated with the latest technologies and contribute to technical innovation and continuous improvement.
• Guide and mentor junior developers, conduct code reviews, and share knowledge within the team.

Preferred Experience

• 5+ years of professional software development experience with a strong focus on Java.
• Expertise in Java EE and Spring / Spring Boot (or Play Framework).
• Solid understanding of JVM performance tuning and optimisation.
• Proficiency with relational databases (MySQL, PostgreSQL).
• Strong experience in RESTful API design and development.
• Experience with unit testing frameworks (JUnit, Mockito) and test-driven development (TDD).
• Familiarity with CI/CD pipelines, Git, Maven, and Docker.
• Experience working in Agile/Scrum environments.
• Strong analytical and problem-solving skills with a collaborative, proactive mindset.
• Familiarity with Kubernetes, AWS, or microservices architectures.
• Experience in security-conscious or compliance-heavy environments (e.g., FinTech, Identity, KYC).
• Knowledge of message brokers (Kafka, RabbitMQ) or event-driven systems.
• Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions.
• We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification.
• We make your remote work comfy: we provide support on equipment and offer flexible working hours.
• We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work.
• May your family require your attention or other reasons apply: use the benefit of our paid special leave days.
• Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities.
• In addition to the perks & benefits above, we offer specific benefits that differ between our locations.

IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.