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Jobs/C# Jobs/Software Engineer

Software Engineer

DeepLLondon, London, United Kingdom - Hybrid5d ago
In OfficeEMEASoftware EngineerC#.NETReact.NET CorePython

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Requirements

  • Build for "Consumer-Grade" Enterprise: You will solve a unique product challenge: building an interface that feels instant and magical for a B2C user, but is powerful enough to handle the complex, multi-party collaboration and localization workflows required by enterprise teams.
  • Build for "Consumer-Grade" Enterprise:
  • Architect for Ambiguity: You will make high-stakes technical decisions regarding state management, API integrations, and performance. You don't wait for perfect requirements; you prototype, measure user friction, and iterate fast .
  • Architect for Ambiguity:
  • Bridge the Gap: You are bilingual in "Engineering" and "Business." You will collaborate closely with Research, Product, and Design teams to translate complex AI constraints into an intuitive UX . You will help win market trust by building transparency and performance metrics directly into the product.
  • Bridge the Gap:
  • AI-Native Velocity: You leverage AI-powered tools (like GitHub Copilot or Claude) to accelerate your velocity and eliminate repetitive toil. You use AI for boilerplate code, test generation, and debugging, allowing you to focus your cognitive energy on high-value architectural decisions and complex problem-solving.
  • AI-Native Velocity:
  • Qualities we look for
  • A "Product-First" Mindset: You care deeply about who uses your software. You ask "Why are we building this?" before writing a line of code. You measure success by user adoption and reduced friction, not just pull requests merged.
  • A "Product-First" Mindset:
  • Full-Stack Fluency: You are comfortable traversing the stack to deliver a feature. You can build a highly interactive, performant UI in React and design the supporting backend logic in C#/.NET Core or Python.
  • Full-Stack Fluency:
  • React
  • C#/.NET Core
  • Python
  • High Agency & Bias for Action: You don't wait for permission. If you see a performance bottleneck in the translation flow, you profile it. If the documentation for a new API is missing, you write it . You are comfortable unblocking yourself and your team.
  • High Agency & Bias for Action:
  • A "System Thinker" for UI/UX: You understand that a simple UI often hides massive backend complexity. You know how to design systems that handle large document states, manage complex terminology rules (Glossaries), and maintain high performance in the browser.
  • A "System Thinker" for UI/UX:
  • A Note on Our Hiring Process: DeepL hires for the Company, not just a specific team. We operate a Unified Engineering Pipeline. If you pass our bar, we will match you to the highest-priority role that fits your skillset—whether that is in Core Product, Platform, Voice, or Enterprise. We prioritize "Missionaries" who want to solve the biggest problems, wherever they live in the stack.
  • A Note on Our Hiring Process:
  • Company
  • Unified Engineering Pipeline

Responsibilities

  • Own the Core Experience End-to-End: You will architect and build complex, user-facing features across our primary translation products . Whether you are building the UI for the Customization Hub, engineering the backend logic to parse and translate complex document formats (PDF, Word, PowerPoint) without losing formatting, or integrating DeepL directly into enterprise workflows, you own the outcome.
  • Build for "Consumer-Grade" Enterprise: You will solve a unique product challenge: building an interface that feels instant and magical for a B2C user, but is powerful enough to handle the complex, multi-party collaboration and localization workflows required by enterprise teams.
  • Architect for Ambiguity: You will make high-stakes technical decisions regarding state management, API integrations, and performance. You don't wait for perfect requirements; you prototype, measure user friction, and iterate fast .
  • Bridge the Gap: You are bilingual in "Engineering" and "Business." You will collaborate closely with Research, Product, and Design teams to translate complex AI constraints into an intuitive UX . You will help win market trust by building transparency and performance metrics directly into the product.
  • AI-Native Velocity: You leverage AI-powered tools (like GitHub Copilot or Claude) to accelerate your velocity and eliminate repetitive toil. You use AI for boilerplate code, test generation, and debugging, allowing you to focus your cognitive energy on high-value architectural decisions and complex problem-solving.
  • Qualities we look for
  • A "Product-First" Mindset: You care deeply about who uses your software. You ask "Why are we building this?" before writing a line of code. You measure success by user adoption and reduced friction, not just pull requests merged.
  • Full-Stack Fluency: You are comfortable traversing the stack to deliver a feature. You can build a highly interactive, performant UI in React and design the supporting backend logic in C#/.NET Core or Python.
  • High Agency & Bias for Action: You don't wait for permission. If you see a performance bottleneck in the translation flow, you profile it. If the documentation for a new API is missing, you write it . You are comfortable unblocking yourself and your team.
  • A "System Thinker" for UI/UX: You understand that a simple UI often hides massive backend complexity. You know how to design systems that handle large document states, manage complex terminology rules (Glossaries), and maintain high performance in the browser.
  • A Note on Our Hiring Process: DeepL hires for the Company, not just a specific team. We operate a Unified Engineering Pipeline. If you pass our bar, we will match you to the highest-priority role that fits your skillset—whether that is in Core Product, Platform, Voice, or Enterprise. We prioritize "Missionaries" who want to solve the biggest problems, wherever they live in the stack.

Benefits

  • 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.
  • Diverse and internationally distributed team
  • 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 and growth mindset makes us better together.
  • Open communication, regular feedback
  • Hybrid work, flexible hours: we offer a hybrid work schedule, with team members coming into the office twice a week. This allows you to engage directly with your team and experience the unique energy of our workspace, while still enjoying the flexibility and comfort of working from home. With flexible working hours and trust in your productivity, we are in sync with your team’s general locations and time zones to foster effective and seamless collaboration.
  • Hybrid work, flexible hours
  • Virtual Shares - An ownership mindset in every role. We believe everyone should share in our success, and that’s why every employee receives Virtual Shares, linking your contribution directly to DeepL’s growth and rewarding you with a stake in our future.
  • Virtual Shares -
  • 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.
  • Regular in-person team events
  • 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.
  • Monthly full-day hacking sessions
  • 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.
  • 30 days of annual leave
  • Competitive benefits: just as our team spans the globe, so does our benefits package. We've crafted it to reflect the diversity of our team and tailored it to align with your unique location, to ensure you feel supported every step of the way.
  • If this role and our mission resonate with you, but you're hesitant because you don't check all the boxes, don't let that hold you back. At DeepL, it's all about the value you bring and the growth we can foster together. Go ahead, apply—let's discover your potential together. We can't wait to meet you!

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