Senior Java Engineer

About the role

Are you ready to take your Java expertise to the next level? Join our team to work with a highly scalable, highly available, real-time advertising platform that serves millions of users worldwide and handles massive real-time data at scale. We are hiring a Software Engineer to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, jumping in, and figuring things out in any system, this role is for you! Working in a modern, cloud-native environment, you’ll collaborate with a team of top engineers to develop low-latency, distributed systems capable of handling millions of QPS. This is an opportunity to combine innovation, performance engineering, and large-scale impact - while shaping the future of digital entertainment technology.

About the project

Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.

Who are we looking for?

Skills & Experience

4+ years of experience building large scale and low latency distributed systems

5+ years of Java backend development experience;

Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming

Experience with distributed caching, SQL/NO SQL, and other databases is a plus

Experience with Big Data and cloud services such as AWS/GCP is a plus

Experience in advertising domain a big plus

Self-motivated individual with a high level of accountability and ownership

Critical thinking and practical decision making

Can do, results-oriented mindset

Software development best practices: test-driven development, automated testing;

Knowledge of distributed systems architecture and service oriented systems;

English: B2+

Nice to have

Familiarity with machine learning frameworks (e.g., TensorFlow, PyTorch) and working with large language models (LLMs)

Responsibilities

Develop and maintain complex backend services

Collaborate with cross-functional teams (Product, Design, QA) to deliver high-quality features;

Write unit, integration, and end-to-end tests;

Maintain and extend existing services to meet new requirements;

Participate in code reviews and contribute to technical discussions;

Help maintain technical documentation;

Assist in improving CI/CD pipelines;

Contribute to best practices within the development team.