automation qa

Enfint

Greater London

On-site

GBP 70,000 - 120,000

Full time

14 days+

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Benefits offered by this job

Discretionary annual bonus
Private medical insurance
Pension scheme 5% employer

Job summary

Enfint ищет специалиста по производительности для управления и улучшения производительности в распределенной финтех-системе. Вы будете проектировать нагрузочные тесты, внедрять практики производительности и работать с командой для устранения узких мест.

Кандидат должен иметь опыт в тестировании производительности, владение k6, мониторингом в Datadog/Grafana/CloudWatch, и знание TypeScript. Опыт в финтехе будет преимуществом. Вакансия предполагает работу в Лондоне в команде по разработке.

Qualifications

  • 5+ лет опыта в performance-инженерии и ответственность за производительность в сложных системах.
  • Глубокий опыт тестирования производительности, включая моделирование нагрузки и проведение тестов нагрузки, стресса, продолжительной и пиковая нагрузка.
  • Практические навыки работы с k6 для построения и запуска тестов производительности.
  • Навыки мониторинга и наблюдаемости с использованием Datadog, Grafana или CloudWatch.
  • Сильное владение хотя бы одним языком программирования, в стеке указано TypeScript.
  • Понимание микросервисной архитектуры и распределённых систем.
  • Связь CI/CD pipeline.
  • Желателен опыт в финтехе/регулируемом финансовом секторе и использование ИИ-инструментов.

Responsibilities

  • Становиться точкой ответственности за производительность с первого дня и внедрять подходы к производительности в план delivery.
  • Определять пороги, метрики и SLO, включая бюджеты на задержку, ошибок и пропускную способность.
  • Проектировать и создавать тесты производительности для отдельных сервисов, замещая Downstream-зависимости.
  • Сопоставлять нагрузку с реальным трафиком производства и выявлять бутылочные горлышки.
  • Интегрировать тестирование производительности в CI/CD для автоматического контроля регрессий.
  • Создавать повторно используемые и масштабируемые тесты производительности как код, компоненты и утилиты.
  • Находить первопричины регрессий по всем слоям стека через логи и трассировку запросов.
  • Вовлекать стейкхолдеров из инженерии, платформы и продукта для превращения находок в исправления.
  • Выявлять риски производительности и масштабируемости на ранней стадии и конструктивно оспаривать допущения.

Skills

Performance engineering
Load testing
k6
Monitoring/Observability
TypeScript
Microservices

Tools

Datadog
Grafana
CloudWatch

Job description

Описание:

Chip is a financial technology company building a digital wealth management platform designed to help users grow, manage, and protect their long-term wealth across savings, investments, and pensions.

Задачи:
  • Own performance from day one by embedding performance thinking into delivery plans before code is written;
  • Define thresholds, metrics, and SLOs that govern pass or fail, including budgets for latency, error rate, and throughput;
  • Design and build performance tests for individual services, stubbing downstream and third‑party dependencies;
  • Map load to real production traffic to identify performance bottlenecks;
  • Integrate performance testing into CI/CD pipelines to catch regressions automatically;
  • Build reusable and scalable performance tests as code, components, templates, and utilities;
  • Root‑cause regressions across the stack by reading logs and tracing requests through distributed systems;
  • Engage stakeholders across engineering, platform, and product to turn findings into fixes;
  • Raise performance and scalability risks early and challenge assumptions constructively.
Требования:
  • 5+ Years of experience in performance engineering with a track record of owning performance across complex, modern systems;
  • Deep performance testing expertise including designing realistic load models and running load, stress, soak, and spike tests;
  • Hands‑on depth with k6 for building and running performance tests;
  • Monitoring and observability know‑how using tools like Datadog, Grafana, or CloudWatch;
  • Strong programming ability in at least one language, with TypeScript used across the stack;
  • Understanding of microservices, distributed systems, and testing services in isolation;
  • Fluency with CI/CD pipelines;
  • Nice to have: Experience in fintech, wealth management, or regulated financial services, Experience using AI‑assisted tooling to accelerate performance work, Contributions to internal quality guilds, communities of practice, or engineering culture initiatives, Experience mentoring engineers on performance and testing best practices.
Условия:
  • Monday to Thursday: 9:00 AM – 6:00 PM, Friday: 8:00 AM – 4:00 PM;
  • Discretionary Performance‑Related Annual Bonus;
  • Workplace pension scheme with a 5% employer contribution on earnings up to £50,000;
  • Private medical insurance with medical history disregarded;
  • Employee Assistance Programme;
  • Cycle to work scheme;
  • Season ticket loan;
  • Free ChipX subscription for UK‑based employees;
  • 28 Days holiday plus bank holidays and the days between Christmas and New Year;
  • Annual training budget for courses, workshops, or conferences;
  • £30 Per month Chip Fitness Benefit;
  • Company laptop;
  • Relocation support is available.
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