Senior Staff Software Engineer | Convert and Scale

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. 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.

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.

You will join the Convert And Scale 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, Keycloak, Typescript.

Based in our London hub, the Senior Staff Engineer will own and drive technical decisions to ensure the scalability, reliability, availability and security of our internal systems and enterprise revenue platforms within Convert And Scale 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 Senior Staff Engineer 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 +7 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, Alerts) 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.
• Open communication, regular feedback: as a language-focused company, we value the importance of clear, honest communication.
• Hybrid work, flexible hours: we offer a hybrid work schedule, with team members coming into the office twice a week.
• Regular in-person team events: we bond over vibrant events that are as unique as our team.
• 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.
• 30 days of annual leave: we value your peace of mind.
• Competitive benefits: we’ve crafted it to reflect the diversity of our team and tailored it to align with your unique location.

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!