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Job Type   /   Job Level
Full-time   /   Others/Any
Job Location
Cracow Metropolitan Area
Salary Range
PLN 16,000 - PLN 24,000 (Monthly)
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Poland

  • Fully Remote

Senior Java Engineer

The place where impact matters

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

We are looking for a Senior Java Engineer to join a project for a leading US streaming technology company transforming how people watch television.

You will contribute to a highly scalable, highly available, real-time advertising platform that supports a rapidly growing streaming business. Working with an experienced international engineering team, you will design and develop high-performance backend applications operating at scale.

This role is an excellent match for an engineer who has a strong command of Java, understands concurrency beyond the framework level, and enjoys solving complex performance and scalability challenges.

This is you

  • At least 5 years of professional experience in Java backend development
  • Hands-on experience building large-scale, low-latency distributed systems
  • Strong command of Java 11 or newer
  • Solid practical knowledge of Java Concurrency and multithreading
  • Experience with asynchronous programming in Java, including CompletableFuture
  • Good understanding of algorithms, data structures and performance optimization
  • Strong knowledge of object-oriented programming and software design principles
  • Basic understanding of high-load system design and scalability techniques
  • Basic practical knowledge of Kafka
  • English at B2 level or higher, enabling effective communication in an international teamX

Nice-to-have Skills:

  • Experience with distributed caching
  • Experience working with SQL and NoSQL databases
  • Knowledge of AWS or other cloud platforms
  • Experience with Big Data technologies
  • Previous experience in adtech, streaming, media, fintech or another high-throughput domain

This is your role

  • Design, develop and maintain large-scale, highly available, real-time Java applications
  • Build efficient concurrent and asynchronous processing solutions
  • Investigate and resolve performance, scalability and reliability challenges
  • Write clean, maintainable and well-tested production code
  • Contribute to technical decisions, engineering standards and development best practices
  • Collaborate with engineers, product specialists and analytics teams on strategic initiatives
  • Identify technical gaps and operational problems and propose robust solutions
  • Communicate effectively with both technical and non-technical stakeholders
  • Take ownership of delivered solutions throughout the development lifecycle

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.

Locations Poland Remote status Fully Remote Technology Java Seniority Senior-level

Your way in starts here

APPLICATION

Send us your application, we are ready to hear your story and explore how we can grow together.

REVIEW

Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.

TALENT ACQUISITION INTERVIEW

You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.

TECHNICAL INTERVIEW

Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.

CUSTOMER INTERVIEW

For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.

JOB OFFER

If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.

WELCOME!

Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.

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Poland

  • Fully Remote

Senior Java Engineer

The place where impact matters

Loading application form

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

We are looking for a Senior Java Engineer to join a project for a leading US streaming technology company transforming how people watch television.

You will contribute to a highly scalable, highly available, real-time advertising platform that supports a rapidly growing streaming business. Working with an experienced international engineering team, you will design and develop high-performance backend applications operating at scale.

This role is an excellent match for an engineer who has a strong command of Java, understands concurrency beyond the framework level, and enjoys solving complex performance and scalability challenges.

This is you

  • At least 5 years of professional experience in Java backend development
  • Hands-on experience building large-scale, low-latency distributed systems
  • Strong command of Java 11 or newer
  • Solid practical knowledge of Java Concurrency and multithreading
  • Experience with asynchronous programming in Java, including CompletableFuture
  • Good understanding of algorithms, data structures and performance optimization
  • Strong knowledge of object-oriented programming and software design principles
  • Basic understanding of high-load system design and scalability techniques
  • Basic practical knowledge of Kafka
  • English at B2 level or higher, enabling effective communication in an international teamX

Nice-to-have Skills:

  • Experience with distributed caching
  • Experience working with SQL and NoSQL databases
  • Knowledge of AWS or other cloud platforms
  • Experience with Big Data technologies
  • Previous experience in adtech, streaming, media, fintech or another high-throughput domain

This is your role

  • Design, develop and maintain large-scale, highly available, real-time Java applications
  • Build efficient concurrent and asynchronous processing solutions
  • Investigate and resolve performance, scalability and reliability challenges
  • Write clean, maintainable and well-tested production code
  • Contribute to technical decisions, engineering standards and development best practices
  • Collaborate with engineers, product specialists and analytics teams on strategic initiatives
  • Identify technical gaps and operational problems and propose robust solutions
  • Communicate effectively with both technical and non-technical stakeholders
  • Take ownership of delivered solutions throughout the development lifecycle

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.

Send us your application, we are ready to hear your story and explore how we can grow together.

Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.

You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.

Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.

For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.

If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.

Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.
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