Staff Engineer in London

Staff Engineer in London

London Freelance 50400 - 55200 £ / year (est.) Home office (partial)
Sivara GmbH

At a Glance

  • Tasks: Lead the design and optimisation of scalable backend systems using cutting-edge technologies.
  • Company: Join a dynamic tech company in London with a collaborative culture.
  • Benefits: Competitive daily rate, hybrid work model, and opportunities for mentorship.
  • Other info: Exciting chance to mentor engineers and lead complex initiatives in a supportive environment.
  • Why this job: Shape the future of cloud-native systems and make a real impact in tech.
  • Qualifications: 10+ years in backend systems, strong Java skills, and experience with distributed systems.

The predicted salary is between 50400 - 55200 £ per year.

Salary: £50,400 - 55,200 per year

Requirements

  • 10–15+ years building large-scale backend systems
  • Strong Java, Spring Boot (or Micronaut/Quarkus), and JVM expertise
  • Deep experience with distributed systems, concurrency, and performance engineering
  • Hands-on experience with Kafka, RabbitMQ, or Pulsar
  • Strong API design and event-driven architecture experience
  • Solid SQL/NoSQL, caching, and data modelling knowledge
  • Azure cloud experience with Docker and Kubernetes
  • CI/CD using GitHub Actions, Azure DevOps, or Jenkins (desirable)
  • Automated testing frameworks (desirable)
  • Observability tools (Dynatrace, ELK, OpenTelemetry) (desirable)

Responsibilities

  • Define and drive backend technical strategy and architecture
  • Design scalable, fault-tolerant, event-driven, and cloud-native systems
  • Lead multi-team engineering initiatives and complex system designs
  • Build and optimise Java (Java 17+) backend services using Spring Boot or Micronaut
  • Design RESTful APIs, messaging systems, and microservices
  • Own performance, reliability, security, monitoring, and observability
  • Lead system design sessions, architecture reviews, and technical decision-making
  • Champion engineering standards, CI/CD, testing, automation, and DevEx
  • Mentor engineers and collaborate with Product, DevOps, SRE, and Architecture teams
  • Participate in on-call support as required

Technologies

  • API
  • Azure
  • Backend
  • CI/CD
  • Cloud
  • DevOps
  • Docker
  • Dynatrace
  • ELK
  • GitHub
  • Jenkins
  • Kafka
  • Kubernetes
  • NoSQL
  • OpenTelemetry
  • Quarkus
  • RabbitMQ
  • SQL
  • Security
  • Spring
  • Spring Boot
  • microservices

We are seeking a Staff Engineer to provide hands-on technical leadership across highly scalable, cloud-native backend systems in our London office. This is a hybrid role, requiring 2 days per week onsite. As part of a collaborative team, you will have the opportunity to shape architecture, lead complex initiatives, and mentor engineers. We value technical depth and leadership, and we offer a competitive contract rate of £420 – £460 per day inside IR35 for an initial duration of 6 to 12 months.

Staff Engineer in London employer: Sivara GmbH

Join our dynamic team in London as a Staff Engineer, where you will not only lead the design of scalable, cloud-native backend systems but also mentor fellow engineers in a collaborative and innovative environment. We pride ourselves on fostering a culture of technical excellence and continuous growth, offering competitive compensation and the flexibility of a hybrid work model that promotes work-life balance. With access to cutting-edge technologies and the opportunity to influence architectural decisions, this role is perfect for those seeking meaningful and rewarding employment.

Sivara GmbH

Contact Details:

Sivara GmbH Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Staff Engineer in London

Make Your Portfolio Shine

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We think you need these skills to ace Staff Engineer in London

Java
Spring Boot
Micronaut
Quarkus
Distributed Systems
Concurrency
Performance Engineering

Some tips for your application 🫡

Showcase Your GitHub Projects:When applying for a freelance software engineering gig at Sivara GmbH, make sure to include your GitHub link in your application. Highlighting your code repositories, contributions to Open Source, and any personal projects can really set you apart and give us insight into your skills and coding style.

Tailor Your CV with Relevant Skills:In software development, the specifics matter! Make sure your CV lists the programming languages and technologies you excel at. Focus on the ones that align with the projects Sivara GmbH is working on. Listing your tech stack clearly will help us understand how you fit into our team.

Include a Portfolio of Your Work:A solid portfolio is a must when applying for freelance roles. Include links to any apps, websites, or software you've developed. Highlight any projects that reflect a strong user experience, efficiency, or innovative solutions—this is your chance to shine and show us what you can bring to the table!

Mention Your Availability and Rates:Since this is a freelance role, we want to know when you’re available and what your rates are like! Be upfront about your typical work hours and project timelines. This transparency will help us see if we can sync up for future projects at Sivara GmbH.

How to prepare for a job interview at Sivara GmbH

Showcase Your Code Wizardry

Since you're going for a freelance role in software engineering, have a solid portfolio ready to flaunt your best work. Include projects that highlight your coding skills, frameworks you excel in, and any problem-solving feats you've pulled off. This is your chance to shine, so choose pieces that reflect your unique style and expertise!

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Understand Their Tech Stack

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