Lead Software Engineer, Ruby on Rails (m/w/d)

As a Lead Software Engineer at Acture, you’ll combine hands-on development with team leadership. You’ll guide a team of 3-6 engineers while remaining deeply involved in building and improving our platform.

You will:

• Lead, mentor, and support engineers through regular 1:1s and feedback sessions, fostering both professional and personal growth
• Drive hiring efforts by conducting technical interviews, making hiring decisions, and onboarding new team members
• Act as a technical sparring partner within the engineering team through code reviews and pair programming
• Contribute to architectural decisions that shape the future of the Acture platform
• Design, build, and ship new features across both backend and frontend
• Collaborate closely with the VP Engineering to define features and enhance user experience
• Ensure high-quality releases through testing and QA
• Work with a modern tech stack including Ruby on Rails, RSpec, Capybara, PostgreSQL, JavaScript, and Tailwind CSS
• Maintain and improve a clean, efficient, and sustainable codebase

You’re a seasoned engineer who enjoys both writing great code and helping others grow.

• At least 6 years of experience in software engineering, ideally at Staff Engineer level
• Strong full-stack expertise in Ruby on Rails
• Bachelor-level thinking and working ability
• Solid understanding of relational databases (preferably PostgreSQL), MVC frameworks, and TDD
• Experience with REST APIs, HTML, CSS, and modern JavaScript
• Familiarity with Agile/Scrum methodologies
• Proven leadership experience—formal or informal (mentoring, onboarding, technical guidance)
• Passion for clean, maintainable code and thorough testing practices
• Strong communication skills and fluency in English (C1+)

Your role & impact:

As Lead Software Engineer at Acture, you’ll have the opportunity to make a real impact—both on the product and the people around you.

• A leadership role with real influence on technical direction and team culture
• A balance between hands-on engineering and mentoring
• A collaborative environment where your ideas shape the product and user experience
• A modern tech stack and a strong focus on code quality
• Opportunities for continuous learning, growth, and career development
  
  

• €1,000 annual learning and development budget for online courses, conferences, or professional literature
• A Deutschlandticket company pass with an annual value of around €720
• Corporate fitness membership through Urban Sports Club or Wellpass with an annual value of around €600
• 28 vacation days plus 2 additional days off (Christmas Eve, New Year’s Eve, or Rose Monday)
• The opportunity for a workation, for example by extending travel after vacation days to flexibly combine work and travel
• The possibility to take additional unpaid vacation days

Open communication and mutual support are the pillars of our collaboration. We help one another and challenge each other in order to achieve our goals together and improve every day.

We take full responsibility for our own tasks and projects, embrace challenges with open arms, and solve problems proactively. Our daily actions are guided by integrity and respect. We strive to positively impact the lives of others and are aware of our social responsibility. We not only welcome diversity — we actively seek it out.

We’d love to hear from you. Reach out and let’s explore how you can make an impact at Acture. 

To apply directly, simply click on "Apply for this job". Alternatively, you can also send us your application documents or complete LinkedIn profile via email.


Your contact person for this position is:

Aleksandra Zielinska [she/her]

✉️[email protected]

If you have any questions in advance, please don’t hesitate to get in touch with us at any time.

We look forward to receiving your application!