CrawlJobs Logo

Filters

Location
Salary

Senior Software Engineer - Platform United Kingdom Jobs

8 Job Offers

Senior Software Platform Engineer
Save Icon
Senior Software Platform Engineer sought by a top growth investment firm in London. You'll build a modern, AI-first internal platform, working across software and infrastructure with Python and GCP. This role offers high ownership, mentoring junior engineers, and contributing to agentic AI workfl...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
120000.00 - 140000.00 GBP / Year
arrowsgroup.com Logo
Arrows Groupe
Expiration Date
Until further notice
Full-Stack Senior Software Engineer, GenAI Data Products and Platform (VP)
Save Icon
Join Citi as a VP Full-Stack Senior Software Engineer to build 'Citi Assist', a GenAI assistant for global employees. You’ll own end-to-end features using Python, TypeScript, and React, working with data pipelines and cloud infrastructure (OpenShift/Kubernetes). Based in London, this role offers ...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Software Engineer – Core Backend Platform
Save Icon
Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
Senior Software Engineer - Data Platform
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
multiverse.io Logo
Multiverse
Expiration Date
Until further notice
Full-stack Senior Software Engineer, GenAI Data Products and Platform
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Cloud Platform Software Engineer
Save Icon
Join Zenobe in London as a Senior Cloud Platform Software Engineer. Design and manage scalable, secure AWS infrastructure using Terraform, Kubernetes, and Kafka. Champion DevOps practices, CI/CD, and automation while mentoring junior engineers. Enjoy a competitive package with a significant bonus...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
zenobe.com Logo
Zenobē
Expiration Date
Until further notice
Senior Full Stack Software Engineer - ClickPipes Platform
Save Icon
Join ClickHouse as a Senior Full Stack Engineer for the critical ClickPipes Platform. Build scalable React/TypeScript applications and backend systems at petabyte scale. Enjoy a remote role with autonomy, equity, and a flexible, distributed team environment in the UK.
Location Icon
Location
United Kingdom
Salary Icon
Salary
Not provided
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Senior Software Engineer – Enterprise Platform
Save Icon
Join Pynea as a Senior Software Engineer in London. Design and build secure, scalable enterprise workflows using TypeScript, GraphQL, and PostgreSQL. Leverage your AWS/GCP expertise to develop high-concurrency systems and ensure reliability. This contract role requires a self-directed professiona...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
welovesalt.com Logo
Salt
Expiration Date
Until further notice

About the Senior Software Engineer - Platform role

A Senior Software Engineer specializing in Platform Engineering is a pivotal technical role focused on designing, building, and maintaining the foundational infrastructure and services that support an organization’s software ecosystem. Unlike engineers who work on customer-facing features, platform engineers create the internal tools, frameworks, and systems that enable other development teams to ship code faster, more reliably, and at scale. These professionals are the architects of the digital backbone, ensuring that the underlying platform is robust, secure, and efficient.

The core responsibilities of a Senior Software Engineer in platform **jobs** involve architecting large-scale distributed systems, cloud-native microservices, and high-availability infrastructure. They own the entire lifecycle of backend services—from initial design and development to deployment, monitoring, and ongoing operation in production. A significant part of the role includes building multi-tenant platforms that can serve thousands of customers simultaneously across multiple cloud providers like AWS, GCP, or Azure. These engineers are responsible for container orchestration (using tools like Kubernetes), managing CI/CD pipelines, and optimizing system performance, reliability, and security. They also tackle complex challenges such as data streaming, event-driven architectures, and ensuring that services meet strict uptime guarantees (e.g., 99.99% availability).

Technical leadership is a hallmark of this profession. Senior engineers on the platform team mentor junior developers, conduct rigorous code reviews, and make critical architectural decisions that balance trade-offs between scalability, cost, and operability. They work cross-functionally with product managers, site reliability engineers, and security teams to define roadmaps and solve deeply technical problems, such as root cause analysis of production incidents or designing fault-tolerant systems. Proficiency in statically typed languages like Java, Go, C++, or Scala is typical, along with deep expertise in distributed systems principles, networking, and operating systems.

Typical requirements for these roles include a bachelor’s or master’s degree in computer science or a related field, combined with several years of hands-on experience building and operating backend systems at scale. A strong candidate will have a proven track record of leading technical projects, a customer-focused mindset, and the ability to dig deep into complex problems. As the bridge between raw infrastructure and application development, a Senior Software Engineer in Platform **jobs** is essential for any organization aiming to innovate rapidly while maintaining a stable, high-performance technological foundation. This career path offers the opportunity to shape the very tools and systems that define modern software delivery.