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Intermediate Java Developer
Global Relay — стабильная компания с 25-летней историей, предлагающая работу со сложным и современным стеком технологий. Высокий балл обусловлен возможностью профессионального роста в Big Data и сильной инженерной культурой, несмотря на жесткий гибридный график.
Сложность вакансии
Позиция требует солидного опыта (от 5 лет) и глубоких знаний в области многопоточности, распределенных систем и Big Data стека (Hadoop, Cassandra). Высокая планка к качеству кода и обязательное присутствие в офисе 4 дня в неделю повышают порог входа.
Анализ зарплаты
Для позиции Intermediate/Middle Java Developer в Лондоне с опытом от 5 лет рыночный диапазон обычно составляет £65,000 – £85,000 в год. Крупные финтех и архивные компании часто предлагают бонусы и расширенный соцпакет, что делает общую компенсацию конкурентоспособной.
Сопроводительное письмо
I am writing to express my strong interest in the Intermediate Java Developer position at Global Relay. With over five years of experience in Java development and a deep commitment to writing clean, performant, and well-tested code, I am excited about the opportunity to contribute to your industry-leading archiving and analytics solutions. My background in building scalable systems and working within agile environments aligns perfectly with the challenges of handling big data and high availability that your team tackles daily.
Throughout my career, I have developed a robust understanding of dependency injection frameworks like Spring and Guice, as well as experience with NoSQL databases and distributed systems. I am particularly drawn to Global Relay's culture of autonomy and creative thinking, and I am eager to apply my skills in multi-threaded programming and service-oriented architecture to help push the boundaries of your Java technology stack. I look forward to the possibility of discussing how my technical expertise can support Global Relay's mission of ensuring compliance and visibility for highly regulated firms.
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Откликнитесь в globalrelay уже сейчас
Присоединяйтесь к команде экспертов в Лондоне и создавайте высоконагруженные системы для мировых финансовых гигантов!
Описание вакансии
Who we are:
For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations.
Though we offer competitive compensation and benefits and all the other perks one would expect from an established company, we are not your typical technology company. Global Relay is a career-building company. A place for big ideas. New challenges. Groundbreaking innovation. It’s a place where you can genuinely make an impact – and be recognized for it.
We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers.
Your role:
As an Intermediate Java Developer at Global Relay, you’ll be using leading edge technologies to build pioneering products that are used by tens of thousands of users globally to solve real world business problems. You also get to tackle interesting and engaging problems to do with scalability and high availability in big data environments. At Global Relay we are continuously pushing the boundaries of Java technology.
This is an opportunity to work alongside some of the best Java developers in London and apply your craft in an environment that encourages creative thinking and autonomy. Our software is developed by small, focused agile teams of developers and QA. We encourage our developers to think beyond a single component to build complete system solutions. Challenge yourself by learning new technologies, and apply your skills across our different projects and application domains. If you are committed to code that is clean, well-tested, well-reviewed, performant and secure then you’ll fit in around here.
Your responsibilities:
- Work as part of an agile development team to write Java code for enterprise services
- Write unit and integration tests for your Java code
- Design, in collaboration with team, the software implementations that satisfy business requirements
- Collaborate with QA in development of test cases for Java code
- Develop deployment systems for Java based systems
- Document code and document detail designs
- Collaborate with product owners on user story generation and refinement
- Monitor and support operation of production systems
- Participate in knowledge sharing activities with colleagues
The Tech Stack:
- NoSQL DBs (Cassandra, MongoDB, HBase, ZooKeeper)
- In Memory Data Grids (Terracotta)
- Serialization libraries (Thrift, Protocol Buffers)
- Large scale data processing (Hadoop)
- Dependency injection frameworks (Guice, Spring)
- CQRS frameworks (Axon)
- Text search engines (Lucene, ElasticSearch)
About you:
- Minimum 5 years of Java developer experience
- Experience with agile development methodologies
- Experience with test driven development
- Experience with continuous integration systems
- Experience with dependency injection containers
- Experience with network protocols such as HTTP, TLS, TCP
- Experience with service oriented architecture
- Experience with web services technology such as REST, JSON, or Thrift
- Experience with multi-threaded programming
- Experience with design patterns
Employees are required to attend the office 4 days per week in accordance with Global Relay’s hybrid working policy.
Global Relay is unable to offer visa sponsorship for this position. Candidates must have the right to work in the UK at the time of application.
What you can expect:
At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for the energetic, the intelligent, the driven. You’ll receive the mentoring, coaching, and support you need to reach your career goals. You’ll be part of a culture that breeds creativity and rewards perseverance and hard work. And you’ll be working alongside smart, talented individuals from diverse backgrounds, with complementary knowledge and skills.
Global Relay is an equal-opportunity employer committed to diversity, equity, and inclusion.
We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual.
To learn more about our business, culture, and community involvement, visit www.globalrelay.com.
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Навыки
- Java
- Cassandra
- MongoDB
- HBase
- Zookeeper
- Hadoop
- Spring
- Guice
- Axon
- Lucene
- ElasticSearch
- REST
- JSON
- Thrift
- Protocol Buffers
- Multithreading
- TDD
- Agile
- CQRS
Возможные вопросы на собеседовании
Вакансия предполагает работу с Big Data и высоконагруженными системами, где Cassandra и MongoDB являются ключевыми элементами.
Расскажите о вашем опыте работы с NoSQL базами данных (например, Cassandra или MongoDB). В каких сценариях вы бы предпочли их реляционным БД?
В описании указано требование к опыту многопоточного программирования.
Как вы подходите к отладке проблем с состоянием гонки (race conditions) или взаимной блокировкой (deadlocks) в многопоточном Java-приложении?
Компания использует CQRS и сложные архитектурные паттерны.
Объясните принципы CQRS. Какие преимущества и сложности этот подход привносит в архитектуру корпоративного приложения?
Global Relay делает упор на чистоту кода и TDD.
Опишите ваш процесс написания модульных и интеграционных тестов. Как вы определяете, что покрытие тестами достаточно для вывода кода в продакшн?
Стек включает Hadoop и работу с большими данными.
Был ли у вас опыт оптимизации производительности Java-приложений, работающих с большими объемами данных? Какие инструменты профилирования вы использовали?
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