Senior Java Engineer – High-Load, Real-Time Systems

🕒 August 12

🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Avenga

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

💼 Consulting

🏭 Manufacturing

🏥 Healthcare

💰 Private equity on 2017-02

Consulting • Manufacturing • Healthcare

Avenga is an international technology and software engineering company that combines consulting, product development, and digital transformation services to help enterprises solve complex business and societal challenges. With over 6,000 professionals across multiple countries and decades of experience, Avenga delivers custom software, cloud, and integration solutions while supporting clients across industries and providing talent acquisition and career development services internally.

📋 Description

• 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 technical and non-technical stakeholders • Take ownership of delivered solutions throughout the development lifecycle • Contribute to a highly scalable, highly available, real-time advertising platform for a leading US streaming technology company

🎯 Requirements

• 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 team • Nice-to-have: experience with distributed caching • Nice-to-have: experience working with SQL and NoSQL databases • Nice-to-have: knowledge of AWS or other cloud platforms • Nice-to-have: experience with Big Data technologies • Nice-to-have: previous experience in adtech, streaming, media, fintech or another high-throughput domain

🏖️ Benefits

• Equal opportunities in recruitment, career development, and leadership • Diverse and inclusive work environment • Talent acquisition interview • Technical interview • Customer interview for some roles • Support from the new team and career development opportunities