Senior Backend Engineer

Istanbul, Turkey
Engineering – Software Engineering /
Full-Time /

Fueled by the most advanced tracking, measurement, and optimization capabilities available in the out-of-home industry, Firefly is an innovative data-first ad network delivering the most relevant messages at the most relevant moments using car top and in-car solutions. Our proprietary screens deliver dynamic content based on location-based, GPS-enabled triggers. We empower brands to efficiently engage consumers in major markets across the U.S. including New York City, Chicago, Las Vegas, San Francisco, Los Angeles, and Miami.
Firefly empowers our employees to thrive by embracing their authentic selves, fostering a culture of individuality, and celebrating diversity. We believe that when you can be yourself at work, you can bring your best to the table. We value your unique perspectives and contributions, recognizing that every idea, no matter how unconventional, has the potential to drive innovation and progress.
Join us, and discover a workplace where you can truly be yourself, make a meaningful impact, and boldly explore new horizons.
Drive the light, accelerate innovation, steer with authenticity!

About the Job

    • Design, build and maintain models and algorithms that align with feature requirements and constantly improve and refine accuracy.
    • Use various data storage facilities to support data access patterns. 
    • Design, develop and maintain APIs to expose data to planning, ordering and reporting systems 
    • Provide development time estimates for the sake of sprints and be able to consistently deliver on-time, high-quality code. 
    • Ensure the scalability and quality of all code 
    • Use and promote software engineering standard methodologies across the team


    • Bachelor's degree in STEM
    • 5+ years experience 
    • Strong demonstrated skills implementing and deploying high volume and highly scalable services 
    • Strong experience with programming and design (preferably Go and Python) 
    • Experience in at least one major cloud platform and their managed services (GCP, AWS or Azure, GCP preferred)
    • Strong experience with SQL and NoSQL databases and data modeling and Object Relational Models
    • Strong experience with
    • - Test Driven Development
      - Object Oriented Programming
      - Inversion of Control
      - Dependency Injection
      - Multi Threaded Applications
      - Asynchronous Design Patterns
      - Application Programming Interfaces
      - Domain Driven Development
      - Distributed Systems
      - Service Oriented Architectures
      - Microservice Architectures
      - Event Driven Architecture
      - Cloud Design Patterns
    • Experience in leading projects
    • Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations 
    • Experience in communicating with users, other technical teams and management to collect requirements, evaluate alternatives and describe product strategy, technical designs, and software product features 
    • Experience working in an Agile/Scrum environment 
    • Experience with one or more Unit testing frameworks 
    • Experience with XML, JSON, and/or YAML 
    • Understanding of RESTful services

We believe #Authenticity Drives Us ForwardIn addition to your monthly salary, you are offered meal payments and a competitive private health insurance because we value you a lot!

You can enjoy the freedom of hybrid working

You are at the center, so we need to celebrate you, here you are offered “birthday leave”

No Dress Code! Wear what you desire and enjoy your true self at work! 

We believe #You’re in the driver’s seat!
You are supported with 1:1 meetings where you can track your progress with regular feedback and development journeys with the educational opportunities at Firefly.

We value your time, you are also driving your own work-life balance while taking responsibility. But, to ensure this balance and your wellbeing, we support you with our collaboration through Meditopia

We are#Accelerating Innovation
Firefly offers you an opportunity to work in a fast-growing and successful company in the market 

#Let’s enlighten together!
Firefly ensures an environment where you can contribute and your ideas are valued, so join us to drive the light!

Firefly Is An Equal Opportunity Employer. All applicants shall receive equal consideration regardless of race, color, religion, gender, marital status, gender identity or expression, sexual orientation, national origin, age, veteran status, or disability.

To all recruitment agencies: Firefly does not accept agency and unsolicited resumes. Please do not forward resumes to our Firefly employees or any company locations. Firefly is not responsible for any fees related to unsolicited resumes.