.Net Software Engineer

KAYAK

KAYAK

Software Engineering
Kaunas, Lithuania
EUR 2,700-3,990 / month + Equity
Posted on Jun 30, 2025

KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world’s leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car, cruise, or vacation package. We’re also transforming the in-travel experience with our app and new accommodation software.

As an employee of KAYAK, you will join a global network that includes OpenTable and KAYAK's portfolio of metasearch brands including Swoodoo, checkfelix, momondo, Cheapflights, Mundi and HotelsCombined. Many employees are dedicated to one brand, but we all have the benefit of using each others strengths and insights. Together, we're able to help people experience the world through dining and travel.

We are looking for a colleague to join our team in Kaunas office. We expect to meet at the office 3 days a week.

Position Overview

We are seeking a skilled .NET and React full-stack developer to enhance and maintain KAYAK’s industry-leading search and booking technology. Our platform integrates with over 200 travel partners and connects users to more than 3.5 million hotels and rentals, as well as 550 airlines.

In this role, you will:

  • Contribute to multiple mission-critical projects aimed at enhancing KAYAK’s affiliates, geographical data, translation, and feedback products.

  • Design and implement new services and workflows, deliver features from concept through to production-ready, quality-assured functionality.

  • Engage in direct collaboration with both internal and external stakeholders.

  • Continuously improve the quality of existing codebases, modernize our code infrastructure, and adhere to best practice guidelines.

Please apply if you have:

  • Experience in full-stack development with proficiency in .NET (2 years of professional experience) and familiarity with React.

  • Adaptability and capability of quickly learning new technologies and programming languages.

  • Abilities to manage multiple tasks and projects simultaneously.

  • Strong sense of ownership, taking responsibility for both the short-term delivery and long-term sustainability of codebases and features.

  • Experience in working with distributed systems and service-oriented architectures.

  • Capability of devising clean and simple solutions to complex problems.

  • Hands-on experience writing high-quality unit and integration tests.

  • Openess to working with stakeholders across different geographies, including Boston, Berlin, and Sydney.

Bonus Skills:

  • Experience with cloud providers such as AWS or Azure.

  • Experience with Java - is advantageous, but a willingness to learn is essential.
  • Knowledge of industry-standard design patterns.

  • Proficiency in Microsoft SQL Server, Elastic, MySQL.

  • Familiarity with RabbitMQ, GRPC, and REST.

  • Experience with Docker and container orchestration systems like Kubernetes (K8s).

  • Proficiency in React, JavaScript, TypeScript, and NodeJS.

  • Understanding of deployment pipelines.

  • Experience with KPI-driven development.

  • AI-savvy, proactive in adopting and mastering emerging AI tools to enhance daily workflows.


Benefits:

  • Funds for your career growth

  • Access to thousands of on-demand e-learnings

  • Generous additional Health Insurance

  • Flexible sick time off

  • Additional financial support for your sick leave

  • Additional day off on your birthday

  • Company-wide vacation week once a year (winter holidays)

  • Additional financial support during parental leave

  • Free lunch twice a week and daily snacks at the office

  • Free yoga twice a week

  • Paid volunteering time

  • No meeting Fridays

  • Office and team events such as summer camp, KAYAK birthday, winter party and more!

  • Company-paid therapy sessions through SpringHealth

  • Company-paid subscription to HeadSpace

  • Internal Communities

Compensation

Salary consists of three parts:

Base pay: from 2700 EUR up to 3990 EUR gross monthly.

Bonus part:

  • significant yearly bonuses, approx 10 percent annual salary;
  • Booking Holdings RSU (Restricted Stock Units) package, worth 20.000 USD (before taxes) with possibility to get it every year.

The salary range provided is not final and will be discussed during the process based on your skills and experience.


Diversity and Inclusion

We aspire to have a workplace that reflects all of the diverse communities we serve. We know that when we have diverse teams we produce more creative ideas, products, and better outcomes for our team members. OpenTable/KAYAK is proud to be an Equal Opportunity Employer, and we welcome and encourage candidates from all backgrounds and experiences to apply for roles on our team. Whoever you are, just be you.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform job responsibilities, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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