Senior Backend Engineer

Personio GmbH; Greater London; On-site; GBP 80,000 - GBP 100,000; Full time

Job description

Role Overview

As a Senior Backend Engineer at Grabyo, you will have significant exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like live transcoding or automated closed captioning. Other days, you will be key in architecting our platform to improve our path to a scalable, microservices-based platform.

Java, Spring, Go, serverless architectures, microservices, auto-scaling and auto-recovery, AWS SAM, ECS Fargate, DynamoDB, media processing, Terraform – these are a few of the state‑of‑the‑art techs you will be working with.

To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, a dedicated development budget, and pair programming days to improve our automated testing culture.

Important: We cannot sponsor VISAs for this role, the candidate must have the right to work in the UK, and be comfortable commuting to central London for a minimum of 1‑2 days per week.

Key Responsibilities

• Design and build robust, scalable APIs and microservices, with a strong emphasis on reliability, performance, and maintainability.
• Architect and develop serverless applications using Java, Go, and the AWS Serverless Application Model (AWS SAM) to deliver cloud‑native solutions at scale.
• Use AI‑assisted development tools responsibly to improve development velocity and engineering quality, including exploring architectural options, debugging complex issues, refactoring legacy systems, and strengthening test coverage.
• Work collaboratively with Product Owners to define and deliver key security, scalability, and reliability features.
• Take end‑to‑end ownership of your work by designing, building, maintaining, iterating, and supporting new features and products in production.
• Manage, lead, mentor, and inspire more junior members of the team, fostering a culture of excellence and continuous learning.
• Keep up to date with the latest industry standards and technologies to help the platform take on the latest video streaming challenges like 4K or 360 video support.

Skills & Experience

Proven expertise and extensive professional experience (5+ years) in Java development, including the use of Spring Boot framework.

Deep knowledge and hands‑on experience with microservice‑oriented architectures.

Proven expertise with cloud providers, with significant experience in AWS (our chosen cloud provider).

Experience using AI‑assisted development tools thoughtfully, with an understanding of their strengths, limitations, and appropriate application in production systems.

A strong problem‑solving attitude.

A proactive approach to learning and adopting emerging technologies.

Strong knowledge and practical experience in Terraform for infrastructure as code.

Expertise in Docker, Fargate, or other container‑orchestration systems.

We are interested in:

• How you approach problem‑solving with AI tools as a support mechanism.
• Your ability to reason about, adapt, and validate AI‑generated ideas or code.

The Recruitment Process

Our interview process is designed to reflect real‑world engineering at Grabyo.

We welcome and encourage candidates to use AI tools during parts of our interview process, particularly where it reflects how you would work in your day‑to‑day role at Grabyo.

Interview stages

• Initial chat with HR and the Senior Engineering Manager to understand your interests and discuss the role (30 mins)
• A system design interview with one of our senior engineers, followed by a more technical session to assess your knowledge (2 hours)
• A final discussion with an Engineering Manager covering behavioural aspects and product alignment, ensuring we are a good fit for each other. (1 hour)

Benefits

• Personal development budget and training material
• Tech hours, hackathons and security days
• Fully remote (+/- 3h GMT) and hybrid options
• Working from home kit budget
• Enhanced parental leave
• 25 days holiday and additional unpaid holiday week
• Flexible holiday carry‑overAwaydays and Christmas party
• Regular social events (office & remote)
• Grabyo book library

Why Grabyo?

A strong engineering culture that values autonomy, continuous learning, and modern development practices — including the responsible use of AI tools.

Join a fast‑growing, innovative company at the forefront of the video technology industry.

Shape the future of Grabyo’s culture and employee experience.

Work alongside a talented, collaborative, and creative team.

Competitive salary, benefits, and opportunities for growth and development.

About us

Grabyo is the leading cloud‑native video platform built for live, social, and mobile. Our SaaS platform, powered by AWS infrastructure, removes the traditional complexities of professional video production and distribution. It empowers digital and broadcast teams to produce live broadcasts in the cloud, with integrated live clipping, publishing and monetization for mobile, social and OTT.

Grabyo is proud to work with over 100 premium sports, media, and entertainment brands worldwide, including UFC, WWE, SailGP, Sky, Globo, F1, CNN, Real Madrid, and FC Barcelona.

With staff located in EMEA, the Americas & APAC, Grabyo is driving the future of cloud video production. Learn more at http://about.grabyo.com.