Staff Engineer Java Spring Boot Aws

Client Server; Greater London; Hybrid; GBP 102,000 - 138,000; Full time

Benefits offered by this job

Pension

Life Assurance

Income Protection

Private Medical Care for you and your\

Travel Insurance

Charitable Giving

Gym Membership

Job summary

Client Server is seeking a Staff Engineer / Principal Software Developer (Java, Spring Boot, AWS) with a strong background in leading technical projects and client engagements. The role focuses on delivering scalable Java applications, modernising legacy systems for AWS, and implementing robust CI/CD and DevOps practices.

Based in London with a hybrid WFH policy, the candidate will work on complex, long-term transformation projects in the financial services sector, collaborating with

Qualifications

• Experience leading technical projects and client engagements
• Strong Java development skills with Spring Boot
• Experience migrating systems to AWS and modern CI/CD practices
• Knowledge of REST APIs and distributed systems
• Understanding of software design patterns and CS fundamentals
• Experience with DevOps and CI/CD pipelines

Responsibilities

• Leading technical projects and client engagements from design through to delivery
• Developing scalable Java applications using Spring Boot and microservices
• Modernising and migrating legacy systems to AWS
• Designing and working with REST APIs and distributed systems
• Introducing and improving CI/CD and DevOps practices
• Providing technical expertise and guidance to clients and engineering teams

Skills

Java

Spring Boot

AWS

REST APIs

Microservices

CI/CD

DevOps

OOP

Tools

AWS

CI/CD

Job description

Staff Engineer / Principal Software Developer (Java Spring Boot AWS) London / WFH to £120k

Are you an experienced Staff Engineer who enjoys taking technical ownership, leading projects and working directly with clients?

You could be progressing your career at a global technology consultancy, working on complex, long-term transformation projects, primarily within the financial services sector.

As a Staff Engineer, you'll lead the design and delivery of high impact technology projects, helping clients modernise legacy systems, migrate to AWS and introduce modern CI/CD and cloud deployment practices. You'll combine hands-on engineering with technical leadership, problem solving and client engagement.

You'll work alongside a highly collaborative team focused on engineering excellence, continuous improvement and delivering meaningful outcomes for clients.

What you'll be doing:

• Leading technical projects and client engagements from design through to delivery
• Developing scalable Java applications using Spring Boot and microservices
• Modernising and migrating legacy systems to AWS
• Designing and working with REST APIs and distributed systems
• Introducing and improving CI/CD and DevOps practices
• Providing technical expertise and guidance to clients and engineering teams

Location / WFH:

There's a hybrid work from home policy with three days a week in the London, City office (or at client sites), you'll join a friendly, diverse, upbeat team.

About you:

• You have experience within a financial services or Fintech environment
• You have strong Java development skills including multi-threading and concurrency
• You have experience with Spring Boot and microservices environments
• You have a good knowledge of REST APIs
• You have a good understanding of AWS
• You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns
• You are familiar with DevOps, CI/CD pipelines
• You're collaborative, enjoy problem solving and interacting with clients

What's in it for you:

As a Staff Engineer / Principal Software Developer you will earn a highly competitive package:

• Salary to £120k
• Pension, Life Assurance, Income Protection
• Private medical care for you and your family, including mental health
• Travel Insurance
• Charitable giving
• Gym membership for you and your family

Staff Engineer Java Spring Boot AWS London, England