Senior Software Engineer (Java)

Posted 15 Days Ago
Be an Early Applicant
Sofia, Sofia-grad, BGR
In-Office
Senior level
Big Data • Software
The Role
Design and develop scalable, high-performance Java 21 microservices and REST APIs for a cloud-native airline technology platform. Build high-volume, low-latency applications; apply concurrency, messaging, streaming, scalability, and performance optimization techniques. Collaborate with architects, technical leads, product experts, and QA teams. Participate in code reviews, testing, documentation, research, and DevOps deployment support while leveraging AI tools and emerging technologies.
Summary Generated by Built In

A Day in the Life of the Senior Software Engineer (Java) - About the role:

  • Design and develop reusable software components using Java 21 for our cloud-native microservices-based software platform with an emphasis on scalability and performance
  • Design and develop high-volume, low-latency applications and deliver high-availability and performance 
  • Autonomous and being able to take design/development decisions
  • Collaborate with a talented international team of technical and product experts to design system functionality
  • Join forces with tech leads and architects to incorporate industry best practices and company standards
  • Leverage AI-powered tools and emerging technologies to improve efficiency, enhance decision-making, and drive innovation within day-to-day responsibilities
  • Participate in code reviews, pair programming, and knowledge exchange with colleagues
  • Conduct research to solve problems and drive continuous technical improvements
  • Contribute to technical documentation
  • Create unit and integration tests and assist the QA team in validation testing
  • Efficiently utilize DevOps tools and practices to build and deploy software
  • Support the DevOps/Cloud Services team in case of deployment or production issues

Required Qualifications - About you:

  • 5+ years of experience developing large-scale complex Java applications
  • Experience in the travel industry with Airline IT knowledge
  • Proficiency in server-side REST API development
  • Experience in advanced topics like multi-threading, streaming, messaging, performance optimization, and horizontal scalability
  • Experience working with SQL and NoSQL technologies
  • Understanding of OOP, design patterns, SOLID principles, and modern microservices architecture
  • Awareness of algorithmic complexity principles and knowledge of java classical data structures time and space complexity
  • Outstanding analytical, problem-solving, verbal & written communication skills
  • Willingness to learn new technologies in depth
  • Curious and willing to learn strong functional domain

Highly Preferred:

  • University degree in Computer Science or related field
  • Familiarity with MS Azure or another cloud platform
  • Experience with AI tools and usage of it
  • Experience with an Agile development process (Scrum, Kanban)
  • Experience with Behavior and/or Test-Driven Development (BDD/TDD)
  • Familiarity with Jenkins or other CI/CD products
  • Working knowledge of Git, Jira, and Confluence
  • Knowledge of Docker and Kubernetes

AI Fluency & Growth Mindset- We welcome candidates who:

  • Understand core AI concepts and apply them ethically to enhance productivity, insights, and decision-making.
  • Craft effective prompts to optimize the quality and relevance of AI-generated outputs.
  • Explore and apply agentic AI systems, using or managing autonomous agents to streamline workflows and automate tasks.
  • Leverage AI tools to boost efficiency, creativity, and innovation in their daily work.
  • Stay curious and adaptable, continuously experimenting with AI-driven solutions to elevate team performance and customer impact.

Why Join PROS?


PROS culture and its extraordinary people are at the core of our success. We are passionate about what we do and relentless in delivering on our promises.


Our commitment to customer success inspires us to think smarter and dream bigger, empowering airlines to achieve more than they ever imagined through intelligent offer and revenue optimization.


At PROS, we foster a culture of care, where people feel supported to grow, innovate, and bring their best selves to work—every day. From flexible ways of working to continuous learning, we empower our teams to thrive both personally and professionally.


Join PROS, a dedicated travel technology company with nearly 40 years of proven airline expertise and a long runway for future growth, now powering the future of AI-driven airline retailing. If you want to be part of something exceptional, help us shape how airlines compete, innovate, and win.

PROS Core Values

  • We are Owners

We look for every opportunity to create a better PROS and a better experience for our customers – and we hold ourselves accountable.

  • We are Innovators

We think creatively to find new paths to success – for our people, our customers and our business.

  • We Care

We are centered on caring for the people, businesses, and communities we serve.


Skills Required

  • 5+ years of experience developing large-scale, complex Java applications
  • Experience in the travel industry with airline IT knowledge
  • Proficiency in server-side REST API development
  • Experience with multithreading, streaming, messaging, performance optimization, and horizontal scalability
  • Experience working with SQL and NoSQL technologies
  • Understanding of object-oriented programming, design patterns, SOLID principles, and modern microservices architecture
  • Awareness of algorithmic complexity and Java data structure time and space complexity
  • Strong analytical, problem-solving, verbal, and written communication skills
  • Willingness to learn new technologies and functional domains
  • University degree in Computer Science or a related field
  • Familiarity with Microsoft Azure or another cloud platform
  • Experience using AI tools
  • Experience with Agile development processes, including Scrum or Kanban
  • Experience with Behavior-Driven Development or Test-Driven Development
  • Familiarity with Jenkins or other CI/CD products
  • Working knowledge of Git, Jira, and Confluence
  • Knowledge of Docker and Kubernetes
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Houston, TX
2,450 Employees
Year Founded: 1985

What We Do

PROS (NYSE: PRO) provides AI-based solutions that power commerce in the digital economy. Using artificial intelligence, PROS accelerates customers' ability to embrace digital selling and eCommerce channels. With predictive and prescriptive guidance, companies are enabled to dynamically price, configure and sell their products and services across all channels with speed, precision, and consistency. PROS customers, who are leaders in their markets, benefit from decades of data science expertise infused into our industry solutions. To learn more, visit pros.com

Similar Jobs

Pfizer Logo Pfizer

Machine Learning Engineer

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
32 Locations
121990 Employees
163K-272K Annually

Pfizer Logo Pfizer

Senior Director, Innovation, Data & Analytics (IDA) Lead

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
32 Locations
121990 Employees
231K-385K Annually

Pfizer Logo Pfizer

Medical Insights, Platform Operations Lead

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
32 Locations
121990 Employees
124K-207K Annually

Pfizer Logo Pfizer

Director, Medical Insights Platform Lead

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
32 Locations
121990 Employees
177K-294K Annually

Similar Companies Hiring

Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
60 Employees
Revel.io Thumbnail
Aerospace • Hardware • Robotics • Software
US
50 Employees
Blee Thumbnail
Artificial Intelligence • Marketing Tech • Software • Productivity
US
15 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account