Senior Software Engineer – All Genders

Jobtailor; Berlin; Vor Ort; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Jobtailor in Berlin is seeking a senior software engineer to design, build and evolve our web applications in an AI-assisted environment. You will modernize our architecture, stay ahead of development trends, and drive innovation by evaluating new technologies and features.

You will collaborate with product managers and engineers, mentor teammates, own the full development lifecycle from testing to go-live, and promote observability, quality and maintainability through clean, test-driven code.

Qualifikationen

• Senior-level engineer with deep Go and/or Ruby knowledge.
• Experience in microservice architectures and cloud environments within agile teams.
• Proven ability to migrate legacy services and modernize architectures.

Aufgaben

• Design, build, and evolve web-based applications in an AI-assisted environment.
• Modernize architecture, evaluate new technologies and features, drive technical direction.
• Collaborate with product managers and engineers to deliver user-centered features.
• Mentor teammates through pair programming and code reviews.
• Own the full development lifecycle from testing to go-live.
• Improve observability and establish actionable alerting for stability.
• Maintain long-term stability and code quality through clean, tested code.

Kenntnisse

Go

Ruby

Microservices

Cloud environments

Test-Driven Development

Observability

AI Integration

Legacy Migration

Clean Code

Jobbeschreibung

• Play a leading role in designing, building, and evolving our web-based applications in an AI-assisted environment (that support our business model).
• You’ll directly contribute to modernizing our architecture, stay on top of the latest development trends, and drive innovation by assessing and implementing new technologies and features.
• Contribute to and drive the modernization of our architecture, evaluate and implement new technologies and features, and help shape our technical direction.
• Collaborate closely with product managers and your engineering colleagues, taking initiative and driving overall team exchange to deliver features that solve real pain points of our users.
• Mentor and empower teammates through pair programming, code reviews, and knowledge sharing, contributing to a culture of learning and growth.
• Take ownership of the entire development lifecycle — from testing to go-live.
• Eliminate potential blind spots by implementing and improving observability best practices and actionable alerting.
• Care about long-term stability and maintainability, knowing that development does not end after the release.
• Champion quality and maintainability through clean, test-driven code and a mindset of continuous improvement.

Requirements

• You are a very experienced senior-level engineer with deep knowledge of Go and/or Ruby who stays up to date on new technologies.
• You share a product engineering mindset, easily understand diverse business needs, and turn them into valuable features for our users.
• You have expert knowledge of microservice architectures and experience working in cloud environments within agile, cross-functional teams. However, you don’t shy away from migrating our legacy services.
• You strive for quality and apply clean code principles not only when implementing new features, but also when modernizing existing services.
• You have a strong getting-things-done mindset and you always strive to improve — whether it's the code, the team, or yourself — and therefore communicate and collaborate proactively.
• You are an absolute team player, enjoy sharing your knowledge and experience with others, and appreciate an open feedback culture.
• You leverage AI to accelerate understanding and development of your codebase, uncover business insights, and drive overall productivity gains.

Hard Skills

• Clean Code Principles
• Test-Driven Development
• Observability Best Practices
• AI Integration
• Legacy Service Migration

Soft Skills

• Team Collaboration
• Mentoring
• Proactive Communication
• Problem Solving
• Initiative