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Senior Java/Golang Engineer

Kraków, Poland

Our Vision

We believe in a world where travel companies can innovate freely, growing and accelerating their business, while delivering the experience travelers want and the change the industry needs.

FLYR is a technology company that unlocks freedom to innovate for the travel industry – eliminating legacy constraints to enable real-time decision making and create the experiences travelers seek. With FLYR, businesses are able to improve revenue performance and modernize the e-commerce experience through accurate forecasting, automation, and analytics.

Flight Itinerary (About The Role)

We are looking for a Senior Java/Golang Engineer to join the Order Management team, where you will play a key role in designing, developing, and maintaining our product. You will work closely with cross-functional teams to ensure seamless integration and performance optimization. This role requires a deep understanding of Java with a preference for experience in Golang, or at least in willingness to learn Golang and use it in a mid/long term. You will be instrumental in driving innovation and ensuring the reliability and scalability of our systems. We strive to deliver high-quality, scalable, and secure solutions that meet the evolving needs of our customers and support the growth of our business. As an Engineering team, we strongly believe in fostering an environment for intellectually engaging work that advances your career progression on this journey. Let’s get you on board soon!

What Your Journey Will Look Like (Responsibilities)

  • Design, develop, and maintain new product features for the Order Management System using Java (e.g. order create, order change, cancellation, payment service, etc.).
  • Design and optimize database structures, write efficient queries, and manage data integrity using Postgres/Google Spanner.
  • Design, develop, and maintain new product features for the Order Management System using Golang (mid/long term, if not yet experienced with it).
  • Collaborate with other teams to gather requirements and define service specifications for the Order Management System.
  • Ensure high availability, reliability, and performance of the system through effective design and implementation practices.
  • Implement monitoring, logging, and analytics solutions to track service usage, performance metrics, and service health.
  • Collaborate with DevOps teams to automate deployment processes, set up CI/CD pipelines, and manage infrastructure as code.
  • Stay updated on emerging trends, best practices, and technologies in microservices architecture, and cloud-native development.
  • Provide technical expertise in product design, development, and delivery.
  • Provide troubleshooting and support for production issues.
  • Maintain comprehensive documentation for the developed systems.
  • Make accurate estimates for upcoming work, communicate technical solutions effectively, and share knowledge.
  • Work in a product-focused scrum team to deliver against a roadmap driven by a dedicated product owner.

What To Pack For This Trip (Qualifications)

  • Bachelor's degree in Computer Science, Engineering, or related field.
  • 5+ years of experience as a Backend Developer (including 2+ years as Java Developer). 
  • Proficiency in Database and SQL knowledge, including the ability to write and optimize queries for performance.
  • Solid understanding of RESTful API design principles and microservices architecture.
  • Engineering experience running high-load and high-uptime services in production.
  • Familiarity with containerization and orchestration tools such as Docker, Kubernetes, and cloud-native technologies.
  • Excellent problem-solving skills, attention to detail, and ability to work effectively in a fast-paced, collaborative environment.
  • Strong communication skills with the ability to articulate technical concepts and collaborate with cross-functional teams.
  • Knowledge of current trends and best practices in software development, including performance, accessibility, security, and usability.
  • Understanding of software development lifecycles (SDLC) with a focus on Agile methodologies (preferably SCRUM).
  • Experience with building CI/CD pipelines.
  • Past experience with the QA processes in software development.
  • Adaptability and willingness to learn new technologies and processes.

Optional Carry-On (Preferred Qualifications)

  • Experience with other programming languages such as Golang and Python - or at least willing to learn them and work with them in the mid/long term.
  • Knowledge of message brokers and event-driven architectures (e.g., Pub/Sub, Kafka).
  • Understanding of security best practices and common vulnerabilities in API integrations.
  • Experience with Cloud platforms (GCP/AWS).
  • Familiarity with Infrastructure as Code (Terraform).
  • API monitoring tools (e.g. NewRelic, DataDog).

Technology Stack and tools

Currently being used in the project, but not limited to:

  • Java, Go, Python, SQL
  • Postman, K6, Datadog, SonarQube
  • REST, Pub/Sub, Kafka
  • Kubernetes, Helm, Skaffold, GCP

First-Class Amenities

  • Regular employment contract
  • Equity in Series D startup with high growth potential
  • Flexible working hours
  • Complimentary Breakfast/Lunch (in-office)
  • Sports card
  • Medical care
  • Life Insurance
  • Top-quality tech equipment
  • Annual educational fund
  • English classes
  • Many more!

Our Commitment to Equality

Here at FLYR, we’re committed to growing with intention, having our teams better reflect the world around us. We strive to create an environment of inclusion and even more importantly, belonging, where psychological safety, empathy, and human connection are at the center of our leadership principles. Not only does this enable us to create better products and have a better work environment, it’s good for the bottom line and it’s the right thing to do.
 
FLYR provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, gender identity, sex, sexual orientation, national origin, age, physical or mental disability, genetics, marital or veteran status. In addition to federal law requirements, FLYR complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company operates.
 

Privacy Policy

All applicants, including those based in California or the EU, are encouraged to review our Privacy and Cookie Policy.
 
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By submitting your application, you consent to FLYR using your personal data for recruiting and/or hiring purposes. Your data may be shared with relevant parties within FLYR to facilitate the recruitment process.

We will retain your personal data for a period of 3 years from the date you are no longer an active applicant. After this period, your data will be securely deleted, unless explicit permission is granted by you for us to retain it for a longer period.

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If you have any questions or concerns about our use of your personal data, please contact us at recruiting@flyr.com.