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Senior Software Engineer - Backend
Отличное предложение с прозрачной культурой, опционной программой (VSOP) и сильным соцпакетом в Лондоне. Использование современных технологий (K8s, Kafka, Go) и фокус на профессиональный рост делают вакансию очень привлекательной.
Сложность вакансии
Роль требует глубоких знаний в распределенных системах и опыта работы с несколькими языками программирования (Ruby, Go). Высокая планка ответственности за архитектуру (DDD, Event-driven) и инфраструктуру (Kubernetes, Terraform) делает позицию сложной, но интересной.
Анализ зарплаты
Зарплата в объявлении не указана, но для позиции Senior Software Engineer в Лондоне рыночный диапазон составляет £85,000 – £110,000 в год. Предложение Blacklane дополняется виртуальными опционами (VSOP) и расширенной страховкой, что соответствует верхнему сегменту рынка.
Сопроводительное письмо
I am writing to express my interest in the Senior Backend Software Engineer position at Blacklane. With over five years of experience in backend development and a strong proficiency in Ruby and Go, I am drawn to Blacklane’s commitment to excellence and its sophisticated tech stack involving DDD, Event-driven architecture, and Kubernetes.
In my previous roles, I have successfully navigated the complexities of distributed systems and maintained high standards through rigorous testing and code reviews. I am particularly impressed by Blacklane's focus on sustainable mobility and its autonomous team structure, which aligns perfectly with my proactive approach to problem-solving and continuous learning. I am eager to contribute to your mission of becoming the world’s leading premium chauffeur service while collaborating with your diverse, global team.
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Присоединяйтесь к Blacklane в Лондоне и станьте частью команды, создающей премиальный сервис перемещений по всему миру!
Описание вакансии

As a Senior Software Engineer, you will be part of one of our autonomous agile teams. You will help us develop the services that power the Blacklane, work on improving our back-office system, or solve problems around our products which allow business partners to integrate with the Blacklane platform.
Our environment is composed of Ruby, Go, Typescript and Java services, designed using DDD. These services are deployed to our Kubernetes cluster and communicate via domain events using SQS and Kafka. We use diverse data storage technologies such as Postgres, MySQL, Elasticsearch, Redis, and DynamoDB. As for infrastructure and cloud resources, we predominantly use AWS and manage provisioning through Terraform.
YOUR CHALLENGE:
- Tackling unique challenges to tailor our products to specific markets.
- Upholding high standards through comprehensive test coverage, documentation, code reviews, and knowledge sharing.
- Investing time in optimizing the performance, usability, and maintainability of the systems under your care.
- Committing to personal growth by learning new skills and technologies.
- Contributing to a motivated, open-minded, and collaborative team focused on enhancing our guests' travel experiences.
ABOUT YOU:
- You are proactive, curious, and a team player.
- You are experienced (at least 5 years) with two or more programming languages.
- You have knowledge and experience (at least 5 years) with at least one of these languages: Ruby, Go
- You're familiar with the HTTP protocol and have some experience with using and/or developing REST APIs.
- You write quality code, maintainable and follow best practices. You are familiar with at least some of the challenges of distributed systems. You are not scared of working on an existing codebase.
- You have experience with or want to learn more about Event-driven architecture and domain driven design.
- You have experience with Docker and containerized environments. Knowledge of Kubernetes and Terraform is a plus.
About Blacklane
Our mission is simple but powerful: to become the world’s leading premium, global chauffeur service. Operating in 50+ countries, we reimagine chauffeur-driven rides by prioritizing reliability, innovation, and first-class service at every step. Blacklane is also at the forefront of sustainable mobility efforts, continuously working to reduce our operational impact on the planet.
Our Company Culture & Values Blacklane has grown from a two-person startup in Berlin to a global team of over 300 people representing 54+ nationalities. Our culture is powered by our commitment to three core values: Care, Drive and Excellence.
- Care - We are invested in each other's well-being and professional growth.
- Drive - We act with pace and determination. We are ambitious, committed to a growth mindset, and champion ownership and delivery.
- Excellence - We understand our customers so we can exceed expectations.
We support our people through initiatives like Employee Resource Groups (ERGs), mentorship programs that bring our values to life.
✨ Why join Blacklane? At Blacklane, our Compensation and Benefits strategies are designed to be fair and market-aligned. We combine base salary with variable elements and long-term incentives as part of our overall rewards framework. All employees participate in our company-wide Virtual Stock Option Plan (VSOP), sharing in Blacklane’s long-term success.
In addition, we offer a benefits package tailored to each location, supporting health, wellbeing, time off, learning, and local needs. Some of the benefits for this role and country include:
Local perks – UK (London)💙 100% employer-paid health insurance for you and your dependents, with 24hr GP access
🌴 28 vacation days per year, increasing with tenure
🏦 Company pension with up to 5% employer contribution
🍽️ Twice‑weekly Just Eat lunch vouchers for UK hub employees
💪 Your Mental and Physical Health → No compromise with Nilo and Wellhub🎓 Continuous learning & certified coaching
🏢 Hybrid setup: 3 days a week in our London office
🚀 Fair pay and shared success through our VSOP program
🚘Mystery Rides: Quarterly Voucher to enjoy personal trips around the world with Blacklane and experience our service from a guest’s perspective.
Do you have any questions or want to know more about our way of working? Feel free to contact us. We’re happy to connect!
We place great value on equal opportunities. Therefore, we welcome everyone to apply!

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Навыки
- Ruby
- Go
- TypeScript
- Java
- DDD
- Kubernetes
- Kafka
- Amazon SQS
- PostgreSQL
- MySQL
- ElasticSearch
- Redis
- DynamoDB
- AWS
- Terraform
- Docker
- REST API
Возможные вопросы на собеседовании
Вакансия делает упор на DDD и микросервисную архитектуру. Важно понять, как кандидат разделяет логику.
Расскажите о вашем опыте применения Domain-Driven Design. Как вы определяете границы Bounded Contexts в распределенной системе?
Blacklane использует SQS и Kafka для взаимодействия сервисов.
С какими проблемами согласованности данных (consistency) вы сталкивались в Event-driven архитектуре и как их решали?
Компания ценит качество кода и поддерживаемость.
Как вы подходите к проведению code review и какие метрики качества кода считаете наиболее важными для Senior-разработчика?
Стек включает Ruby, Go, Java и Typescript. Проверяется гибкость кандидата.
У вас есть опыт работы с Ruby и Go. В каких сценариях вы бы предпочли использовать Go вместо Ruby, и наоборот, учитывая специфику высоконагруженных систем?
Упоминается работа с существующей кодовой базой и рефакторинг.
Опишите ваш процесс работы с legacy-кодом. Как вы внедряете изменения, минимизируя риски для работающего бизнеса?
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