DeepL

DeepL is a global communications platform powered by Language AI. Since 2017, we’ve been on a mission to break down language barriers. Our human-sounding translations and intelligent writing…

deepl.com

DeepL

DeepL is a global communications platform powered by Language AI. Since 2017, we’ve been on a mission to break down language barriers. Our human-sounding translations and intelligent writing…

deepl.com

HQDE

Team Size1568

Open Jobs4

Total Funding$413M

Latest FundraiseUnknown

TL;DR

Founded: 2017 in Cologne, Germany

Core product: Language AI (DeepL Translator, DeepL Write, voice translation)

Latest major raise: $300M led by Index Ventures (May 2024)

Reported valuation: $2.0B post-money (May 2024)

Customers: Over 100,000 businesses

Company Overview

Problem Domain

Machine translation, automated writing assistance, and real-time multilingual communication for enterprises and individuals.

Founded

2017

Industry

Software Development

Funding Track Record

- May 22, 2024

$300,000,000

Reported post-money valuation ~$2.0B

Investor Signal

“Raised a $300M growth round led by Index Ventures with reported participation from institutional investors; earlier-stage support from notable VCs has been referenced.”

Founders

What we do

Join the Team

Backend Software Engineer | Customisation

HybridLondon, England, GB

Hybrid • London, England, GB

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Meet DeepL DeepL is a global communications platform powered by Language AI. Since 2017, we’ve been on a mission to break down language barriers. Our human-sounding translations and intelligent writing suggestions are designed with enterprise security in mind. Today, they enable over 100,000 businesses to transform communications, reach new markets, and improve productivity. And, empower millions of individuals worldwide to make sense of the world and express their ideas.

Our goal is to become the global leader in Language AI, building products that drive better communication, foster connections, and make a real-life impact. To achieve this, we need talented individuals like you to join our 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 What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. When we share what it's like to work at DeepL, the reactions are overwhelmingly positive. This may be because of our products that have helped countless people worldwide or our shared mission to improve communication for individuals and businesses, bringing cultures closer together. What we know for sure is this: being part of DeepL means joining a team dedicated to innovation and employee well-being. Discover what our teams have to say about life at DeepL on LinkedIn, Instagram and our Blog.

Meet the team behind this journey DeepL has millions of passionate users around the globe, including a growing number of Enterprise teams that depend on workflows that allow for consistent and compliant communication. Our Customization team’s mission is to deliver the features these teams need, ensuring smoother, faster processes and reducing the need for multiple external tools. By offering intuitive customization features that both enable formatting and styling communication, and enforcing guidelines for compliance, we drive habit-formation and retention, making DeepL the go-to platform for all content refinement tasks.

In this role, you will partner with product managers, designers, researchers and fellow engineers to design and maintain the backend services powering our customization features. As a Backend Engineer, your expertise in building scalable systems using modern technologies (such as C# and .NET Core) will be instrumental in enabling these features horizontally across our products - Translate, Voice and APs. Your contributions will help shape the technical architecture underpinning customization workflows, ensuring enterprise users can efficiently deliver high-quality content. By continuously improving these core services, you’ll play a key part in establishing DeepL as an essential component of team-based content creation worldwide.

Your Responsibilities

Design, implement and maintain features in our microservices in a hybrid cloud environment.
Contribute to the implementation of end-to-end solutions: design, build and deliver in collaboration with multiple engineering teams.
Increase the maintainability, reliability, and robustness of our software.
Continuously improve and automate our development processes.
Contribute to our backend developer community and share knowledge within and across teams.
Take total ownership of the work you deliver, from testing and QA to post-deployment monitoring and incident resolution.
Participate in our on-call rotation: You’ll ensure the reliability and availability of our services by being available to join the team's shared on-call rotation as needed.

Qualities we look for

Proficiency in a modern programming language with solid experience in backend development. Exposure to or familiarity with our tech stack (C#, .NET Core, gRPC) or similar technologies would be beneficial but is not a strict requirement. What's more important is your willingness and ability to learn new technologies quickly.

What We Offer

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!

We are an equal opportunity employer You are welcome at DeepL for who you are—we appreciate authenticity here. Our product is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all succeed, contribute, and think forward! So bring us your personal experience, your perspectives, and your background. It’s in our diversity that we will find the power to break down language barriers in the world.

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Experience in building and maintaining business-critical applications.

Solid understanding of algorithmic complexity and common data structures.

Effective and pragmatic: you can weigh between "perfect" and "good enough" depending on priorities and business impact.

The ability to explain complex ideas and designs to developers and stakeholders with a wide variety of experiences and backgrounds.

Product mindset: you develop solutions with the customer in mind and iteratively improve your solutions based on data and feedback. You understand how to experiment and track usage for learning.

You are a role model for continuous delivery. You build incrementally in small batches, practice trunk-based development, and pair-program by default to maintain throughput and team cohesion.

Comfortable with a hybrid working model and able to come into our London office regularly (2x per week average).

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 and growth mindset makes us better together

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

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.

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

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

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