Senior Fullstack Developer (.NET+React)

At Omio and Rome2Rio were building the next generation of native travel advertisinga premium product suite connecting top tourism brands with tens of millions of global travelers.
Were hiring a Senior Full Stack Engineer based in Berlin to join our Ads Product team which is leading this high-impact cross-brand initiative. Youll work across both platforms building the end-to-end architecture for a brand-new monetisation engine.
This is a rare opportunity to build from scratch own full-stack systems across backend and frontend and shape the advertising experience at global scaleright from Omios engineering hub in Berlin.
Why Join Us
Strategic greenfield product backed by senior leadership across the Omio Group
End-to-end ownership: shape ad delivery tracking reporting and user interfaces
Work across both Rome2Rio and Omiotwo of the worlds most trusted travel brands
Contribute to systems seen by millions of global users every day
Be part of a small senior team building a modern ads stack from the ground up
Responsibilities
Build and scale backend services and APIs for native ad delivery and monetisation logic
Develop responsive user-facing components with React TypeScript and JavaScript
Integrate with internal systems and external ad platforms
Design clean API contracts and ensure seamless user experiences
Shape deployment CI/CD and monitoring pipelines
Collaborate with distributed teams across Berlin Europe and Australia
Qualifications :

• 5 years of professional experience in full-stack development
• Strong frontend skills in React TypeScript JavaScript
• Backend expertise in one or more of the following:
• / Express /
• with API/server-side experience

~ .NET / C#

Deep understanding of scalable architecture RESTful APIs and modern deployment pipelines
Experience with relational or NoSQL databases (e.g. PostgreSQL MongoDB DynamoDB)
Strong product mindset and interest in building high-performance user-facing systems
Bonus: experience in ad tech content platforms or partner integrations
Additional Information :
Whats in it for you #LifeAtOmio
This role offers the opportunity to work on-site at Omios vibrant Berlin office where youll be part of a mission-driven high-energy team.
Key benefits include:
Annual travel benefits to support your adventures and align with our mission.
Education bonus including two days off annually for professional development.
An extra day off on your birthday to celebrate your special day.
Fitness memberships with Urban Sports Club to keep you active and support your physical well-being.
Employee Assistance Program offering mental health support and resources.
A pet-friendly office so you can bring your furry friends to work.

Intrigued Apply below in English.
Additional Information
Diversity makes us stronger
We value diversity and welcome all applicants regardless of ethnicity religion national origin sexual orientation gender identity age or disability.
Join us at Omio and help shape a welcoming efficient workplace that inspires both employees and guests every day.
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No
Employment Type :
Full-time