Principal Software Engineer | Business Technology

Europe's leading AI company since 2009, is dedicated to breaking down language barriers and bringing cultures closer together. Our expertise in AI and neural networks has enabled us to create cutting-edge communication technologies for businesses, including the acclaimed DeepL Translator which offers 30+ languages, and DeepL Write, our AI writing companion. Our core offering includes a suite of products and tools made for businesses to communicate more effectively, both internally and with their customers around the globe.

Our goal is to become the global leader in Language AI and build products that help drive better communication, drive connection, and make real-life impact. To do that, we need talented people, like you, who want to be a part of this exciting journey. If you're ready to work with a dynamic team and build your career in the fast-moving AI space, DeepL is your next destination.

What sets us apart

We are committed to innovation and to a nurturing work environment. Founded by developers and researchers, we spend a lot of time actively reviewing the latest trends in generative AI and software engineering. Known for pioneering AI technologies, we dive deep into cutting-edge research to create not only translations, but advanced language solutions. Combining our use of modern technology, comprehensive employee benefits with our open and welcoming work culture is what sets us apart.

When we tell people about DeepL as an employer, the reactions are overwhelmingly positive. Maybe it's because of the products that have helped countless people worldwide, or maybe it's because of our shared goal of improving communication for individuals and businesses worldwide. What we're certain of is this: being part of DeepL means joining a team committed to innovation and the well-being of its employees.

Meet the team behind this journey

You will join the Business Technology Core track, a set of teams focused on the scalability of Deepl's business model. The focus is on enabling customers to manage their accounts and subscriptions from a single licence to large enterprises with thousands of users. This requires maintaining a software landscape that owns the identity and access management, subscriptions & billing, conversion, retention optimisation and reconciliation with our financial systems. We support this infrastructure for current and future use cases for our existing products, with the aim of anticipating and accelerating the company's revenue growth expectations through technology.

Technologies we work with include: C#, gRPC, Kafka, Kubernetes, Postgres, Cassandra, Gatsby, Typescript

What will you be doing at DeepL?

The Principal Engineer will own and drive technical decisions to ensure the scalability, reliability, availability and security of our internal systems and enterprise revenue platforms within Business Technology to build, commission and deploy the technology and data infrastructure and architecture to meet business revenue growth objectives.

By defining a path to implementation, this role should ensure that product decisions and planning are carried out in a scalable manner. The Principal will challenge implementation, ensure execution alongside management and establish a collaborative path with other tracks in the engineering organisation.

Your responsibilities

• Facilitate the overall architecture of our business systems across teams, system owners and engineers

• Provide guidance on the architecture and its components through the commissioning and decommissioning of all services involved

• Ownership of revenue data management: Data architecture, governance, data protection, etc

• Provide hands-on technical leadership on projects with a size and scope of +5 teams

• Helping teams plan and estimate activities

• Supporting and challenging a realistic roadmap with team leads and product managers, challenging timelines and providing predictability of deliverables to the business

• Mentor, develop and coach other senior software engineers, engineering managers and business leaders

Qualities we look for

• Significant experience in one or more of the following domains:

  • Identity & Access Management

  • Fraud prevention

  • Payments

  • Monetization

• Experience initiating and driving large technical projects involving collaboration with multiple teams across an organization

• 10+ years of hands-on technical experience as an engineer, including experience in large-scale organizations

• Demonstrated ability to influence and mentor teams and individuals across multiple departments or larger organizational structures

• Proactive and proficient in stakeholder communication in English, ensuring clear and effective interactions

• Experience with a wide range of observability practices (SLOs, Dashboards, Alertis,..) for business critical systems

• Experience with Domain Driven Design (DDD) is a plus

What we offer

• Diverse and internationally distributed team : joining our team means becoming part of a large, global community with people of more than 90 nationalities. We're more than just colleagues; we're a group of professionals with a shared mission to connect diverse cultures. Our global presence is growing–we've doubled in size nearly every year, with our employees based in the UK, Germany, the Netherlands, Poland, the US, and Japan, and we continue to expand our network.

• Open communication, regular feedback : as a language-focused company, we value the importance of clear, honest communication. We value smooth collaboration, direct and actionable feedback, and believe that leading with empathy makes us better together.

• Remote work, flexible hours : whether you're near or in our hubs in cities like Cologne, Berlin, Amsterdam, London, or prefer the comfort of your own home, you decide where your office is. We offer remote opportunities, flexible working hours and trust in your productivity, all in sync with your team's general locations and time zones to foster effective and seamless collaboration. Our aim is to integrate your work with your lifestyle, ensuring a balance that respects both your needs and our operational requirements.

• Regular in-person team events : we bond over vibrant events that are as unique as our team, from local team and business unit gatherings, to new-joiner onboardings, to company-wide events that bring us all together–literally.

• Monthly full-day hacking sessions : every month, we have Hack Fridays, where you can spend your time diving into a project you're passionate about and get the opportunity to work with other teams–we value your initiatives, impact, and creativity.

• Comprehensive health insurance : your health comes first. With our comprehensive insurance, we'll make sure you're covered from head to toe.

• 30 days of annual leave : we value your peace of mind. With 30 days off (excluding public holidays) and access to mental health resources, we make sure you're as strong mentally as you are professionally.

• Annual learning budget : because we never stop learning, we’ve set up an annual budget for your professional development—pick a learning path which contributes to your career development and we'll back you up.