Senior Software Engineer

How to use this kit

Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.

Interview prep

• Walk through how you turn vague requirements into a feasible design under time and cost constraints.
• Describe partnering with PMs, analysts, and other engineers on interfaces and performance trade-offs.
• Give an example of coordinating a system install or major change and how you handled risk.

Fit summary

Strong fit if you enjoy senior-level ownership: requirements analysis, cross-team design, and delivery of production systems at Idnow, on-site in Berlin rather than remote.

Day in the role

As a Senior Software Engineer at Idnow in Berlin, your day centers on translating product needs into robust systems: clarifying requirements with product and engineering leads, weighing design options against time and cost, and aligning interfaces with analysts and fellow developers. Expect design reviews, progress check-ins with stakeholders, and coordinating how new or changed software lands in production.

Skills to emphasize

• freeCodeCamp — Full Stack curriculum (free)
• Saylor Academy — Computer Science courses (free)
• CS50 (Harvard, via edX) (free to learn)
• Microsoft Learn — developer training paths (free to learn)

FAQ from this listing

Is this role remote?

No—the listing is non-remote in Berlin.

What does the occupation focus on?

Software systems work: requirements, design feasibility, collaboration, and install coordination (O*NET 15-1252.00).

Are the listed learning paths paid?

The CERTS resources are free or free to learn: freeCodeCamp, Saylor CS courses, CS50, and Microsoft Learn paths.

Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

• Analyze information to determine, recommend, and plan installation of a new system or modification of an existing system.
• Analyze user needs and software requirements to determine feasibility of design within time and cost constraints.
• Confer with data processing or project managers to obtain information on limitations or capabilities for data processing projects.
• Confer with systems analysts, engineers, programmers and others to design systems and to obtain information on project limitations and capabilities, performance requirements and interfaces.
• Consult with customers or other departments on project status, proposals, or technical issues, such as software system design or maintenance.
• Coordinate installation of software system.
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design.
• Determine system performance standards.

O*NET source

Role overview (listing rewrite)

Senior Software Engineer – Java (f/m/d) at Idnow, Berlin, Bavaria About the Role At Idnow, you will be part of a dynamic team driving innovation in digital identity and fraud prevention. As a Senior Software Engineer - Java, your primary responsibility is to design, develop, and maintain high-quality software solutions that support our mission to transform trust into the most powerful asset in the digital world. Day-to-Day Responsibilities Design and implement robust, scalable Java-based applications for our AI-driven SaaS identity solutions. Collaborate with cross-functional teams including product management, UX/UI designers, and QA engineers to deliver high-quality software products. Maintain and optimize existing codebases, ensuring adherence to best practices and standards. Participate in code reviews and contribute to the overall technical architecture of our solutions. Ensure compliance with security and data protection regulations through rigorous testing and validation processes. Who We're Looking For A minimum of 5 years of professional experience as a Java developer, preferably in a SaaS or enterprise software environment. Strong understanding of Java, Spring Framework, and related technologies (e.g., Hibernate, RESTful services). Familiarity with DevOps practices and tools such as Docker, Kubernetes, Jenkins, etc. Experience with microservices architecture and cloud platforms like AWS or Azure is a plus. Excellent problem-solving skills and the ability to work effectively in a team environment. More About Idnow IDnow is a leader in digital identity and fraud prevention in Europe, with offices in Germany, United Kingdom, Romania, and France. Backed by renowned institutional investors, including Corsair Capital and Seventure Partners, our portfolio of international clients spans financial services, telecommunications, travel & mobility, gaming, and other industries. 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. Next Steps To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.

Full job on Get A Job.AI

Questions to ask them

• What does success look like in the first 90 days for this role?
• How is the team structured, and who would I work with most?
• What tools and systems does this role use daily?
• Is the work primarily based in Berlin, Bavaria, hybrid, or fully remote?