Senior Software Engineer | Full-Stack

About the role

Become part of a pioneering organization that is redefining global communication through innovative technology. As a Senior Software Engineer at DeepL, you will take on significant responsibilities, overseeing essential systems from their initial conception to deployment and ongoing reliability. You will architect and implement the backend services that power the world's most accurate AI translations, ensuring they meet the stringent demands of enterprise clients. Your work will directly influence the strategic shift from a software-centric approach to a product-centric strategy, where data and user insights drive decision-making. You will collaborate closely with product managers and linguists to transform complex requirements into elegant, scalable technical solutions. This role places you at the heart of a mission-critical environment where the quality of your code has a direct impact on global business communications. You will be expected to mentor junior engineers and establish best practices that elevate the entire engineering standard. Your expertise will help maintain DeepL's position at the forefront of the AI language industry.

Key facts

• Benefit from 30 days of paid annual leave, in addition to public holidays, promoting a healthy work-life balance.
• Access a competitive benefits package that is tailored to your specific location, ensuring that your needs are met.
• Participate in regular team-building events and monthly full-day hackathons to foster collaboration and innovation among team members.
• At DeepL, hiring is conducted with a holistic view of the company's needs, ensuring that successful candidates are matched to the most suitable roles based on their skills and experiences.
• You will work within a dynamic environment that values continuous learning and professional growth.
• The role offers the opportunity to work with cutting-edge technology and AI-driven communication tools.
• You will be part of a diverse and inclusive team dedicated to breaking down language barriers worldwide.
• DeepL provides the resources and support necessary to ensure you can perform your role effectively and efficiently.

What you'll do

Design and implement robust backend services using modern programming languages to support the translation engine's high throughput requirements.

Develop intuitive user interfaces for internal tools and customer-facing applications, ensuring a seamless experience for both employees and end-users.

Collaborate with cross-functional teams to define, architect, and deliver new features that enhance the overall product offering.

Optimize existing codebases for performance, scalability, and security, ensuring the platform can handle increasing user demands.

Implement automated testing frameworks and continuous integration pipelines to maintain code quality and accelerate release cycles.

Analyze system metrics and user feedback to identify bottlenecks and drive improvements in the application's functionality.

Partner with data scientists to integrate machine learning models into the production environment efficiently.

Maintain comprehensive documentation for all systems and processes to ensure knowledge sharing and operational clarity.

Lead technical discussions and make informed decisions regarding technology stack improvements and architectural changes.

Mentor and guide junior developers through code reviews, pair programming, and technical coaching.

Ensure all deliverables adhere to the company's coding standards, security policies, and regulatory compliance requirements.

Take ownership of specific product features from conception through to launch and post-launch iteration.

Contribute to the open-source community where appropriate, enhancing DeepL's reputation as a thought leader in language technology.

Proactively identify risks and develop mitigation strategies to ensure project timelines are met successfully.

Requirements

You possess a Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field, or you have equivalent practical experience.

You have a proven track record of developing and maintaining large-scale software applications over several years.

You demonstrate exceptional proficiency in at least one modern programming language such as Java, Python, or JavaScript.

You have a deep understanding of software architecture patterns and principles, enabling you to design scalable and maintainable systems.

You are experienced with cloud platforms and infrastructure as code, allowing you to deploy solutions effectively in distributed environments.

You show strong competence in database management, including both relational and NoSQL data stores.

You have a solid grasp of RESTful API design and integration methodologies.

You exhibit excellent problem-solving skills and the ability to debug complex issues in a high-pressure environment.

Nice to have

Experience with natural language processing or machine learning frameworks is highly valued.

Familiarity with DevOps practices and CI/CD toolchains is considered a significant advantage.

Knowledge of frontend frameworks is beneficial for contributing to user interface development.

Understanding of linguistic concepts and translation technology is appreciated.

Experience working in a fast-paced, agile environment is preferred.

Practical notes

This is a full-time position based in London.

The start date is flexible and will be determined based on the candidate's profile and notice period.

Relocation support may be available for the right candidate, subject to specific conditions and discussions during the hiring process.