As a Senior Full Stack Engineer at flaconi, you’ll play a key role in shaping the future of our Product Detail Pages (PDP) — one of the most visited and business-critical parts of our e-commerce platform. You’ll help build a scalable, high-performance architecture that delivers a seamless and inspiring shopping experience for millions of customers.
In this role, you’ll collaborate closely with cross-functional experts from Product, Design, Data, and Engineering to tackle complex technical challenges such as real-time pricing, personalization, SEO optimization, and performance at scale. Your work will directly influence how users engage with flaconi’s products every day, ensuring our PDP continues to evolve as a fast, reliable, and conversion-driven experience
As a Senior Full Stack Engineer at flaconi, you’ll play a key role in shaping the future of our Product Detail Pages (PDP) — one of the most visited and business-critical parts of our e-commerce platform. You’ll help build a scalable, high-performance architecture that delivers a seamless and inspiring shopping experience for millions of customers. In this role, you’ll collaborate closely with cross-functional experts from Product, Design, Data, and Engineering to tackle complex technical challenges such as real-time pricing, personalization, SEO optimization, and performance at scale. Your work will directly influence how users engage with flaconi’s products every day, ensuring our PDP continues to evolve as a fast, reliable, and conversion-driven experience
For this role, we have a salary band between €75.000 and €95.000 gross per year.
The salary that we will offer you will always be within this span and is based on the skills that you show during the recruitment process.
What We Offer
Our employees matter to us: We offer you a permanent contract and cover the costs for your BVG or Deutschland ticket.
Work-life balance: 29 vacation days, flexible working hours, up to three days of working from home per week, and in specific cases, the option to work 100 % remotely within Germany; the possibility of a paid sabbatical.
flaconi Academy: Actively shape your own career path by taking advantage of our internal and external training opportunities.
We care about your well being: We want to support you also during difficult times. For this, we offer you and your close relatives counseling sessions with mental health professionals.
flaconi fitness: a wide range of sports options & discounts on memberships.
Family first: Our “emergency-daycare” is there for you in out-of-the-ordinary situations to look after your child on site at our office.
Thinking about tomorrow together: flaconi subsidizes your savings contribution to the company pension scheme with an additional 20%.
A comfortable working space with everything you need: High end technical equipment, fruits and drinks, no dress code and dogs are welcome in our office!
Other perks: Great discounts in our online shop as well with our partner companies, cool team events & company parties!
Design, develop, and maintain scalable full-stack applications using modern technologies such as Node.js, React, TypeScript, and Next.js.
Architect and implement microservices and APIs that are secure, efficient, and maintainable.
Collaborate with Product, Design, QA, and DevOps teams to translate business requirements into technical solutions that deliver customer value.
Ensure code quality and maintainability through best practices such as automated testing, code reviews, CI/CD, and clean architecture.
Contribute to technical strategy and architectural decisions, helping shape the future of the PDP platform.
Mentor and support other engineers, fostering collaboration, continuous learning, and technical excellence.
Monitor and optimize system performance to ensure reliability, scalability, and a smooth user experience across platforms.
Stay current with emerging technologies, introducing tools and frameworks that improve productivity, performance, and developer experience.
Collaborate with DevOps and platform teams to enhance deployment pipelines, infrastructure automation, and observability.
Work with monitoring and analytics tools such as New Relic (for performance and observability), and integrate with partner solutions including Criteo (sponsored products) and Yotpo (customer reviews).
Your profile
5+ years of full-stack development experience with Node.js, React, TypeScript, and Next.js as core technologies.
Proven experience designing, building, and evolving large-scale web applications in a production environment.
Strong understanding of APIs, microservices, and event-driven architectures, with experience designing for scalability and maintainability.
2+ years of hands-on experience with AWS services (Lambda, EventBridge, SQS, SNS, API Gateway); familiarity with the Serverless Framework is a plus.
Experience with Infrastructure as Code (IaC); Terraform preferred.
Hands-on experience with at least one SQL and one NoSQL database (e.g., PostgreSQL, DynamoDB, Redis).
Demonstrated ability to mentor engineers and advocate for best practices such as CI/CD, TDD/BDD, Domain-Driven Design, and observability.
Strong communication skills in English, with a collaborative and solution-oriented mindset.
Practical experience working in Agile environments (Scrum or Kanban) delivering customer-facing products.
Nice to have
Previous experience in e-commerce, especially with product detail pages (PDPs), catalog systems, or conversion funnel optimization.
Experience with GraphQL for data-rich front-end applications.
Expertise in frontend performance optimization (rendering speed, SEO, caching strategies).
Familiarity with frontend performance monitoring, A/B testing, and conversion optimization practices.
Founded in 2011 as one of the first online perfumeries, flaconi is honored to work with more than 700 people from 60 different nations at the flaconi headquarters in Berlin-Charlottenburg and its fulfillment center in Halle.
Shape our company’s success with us and apply now online! We look forward to receiving your complete application documents including your earliest starting date and salary expectations.
flaconi will not accept unsolicited resumes from any source (e.g. recruitment agency) other than directly from a candidate.
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