Senior Java Software Engineer

James Adams; England; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Hybrid working

Supportive culture

Job summary

A leading recruitment agency is looking for an experienced Senior Java Engineer to join a fast-growing technology company in London. This hybrid position offers a salary up to £100,000 and requires strong experience in Java, Spring, and Kafka. Candidates should be proficient in building cloud-native microservices and enjoy working in a collaborative environment. The company fosters a supportive engineering-led culture emphasizing autonomy and impact.

Qualifications

• Strong commercial experience with Java 11+, ideally Java 21.
• Deep knowledge of Spring, Kafka, and SQL / DBMS.
• Comfortable with functional programming concepts in Java or Kotlin.

Responsibilities

• Design and build high-quality, scalable microservices in Java.
• Apply functional programming principles using Java or Kotlin.
• Integrate and manage Kafka for real-time data streaming.

Skills

Java 11+

Spring

Kafka

Functional programming

SQL/DBMS

Clean code

Collaboration

Job description

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This range is provided by James Adams. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from James Adams

London / Hybrid (3 days per week in office)

Up to £100,000 + excellent benefits

James Adams is working with a fast-growing technology company that’s scaling its engineering function and looking for an experienced Senior Java Engineer to join their core platform team.

This role is ideal for someone who wants to work on modern, cloud-native microservices within a high-performing engineering culture that values clean code, collaboration, and innovation. You’ll be working with Java 11+ (preferably Java 21), Spring, and Kafka, contributing to the design and delivery of resilient distributed systems used at scale.

The Role

• Design and build high-quality, scalable microservices in Java.
• Apply functional programming principles using Java or Kotlin.
• Work extensively with Java Streams, ensuring clean, performant code.
• Integrate and manage Kafka for real-time data streaming.
• Optimise SQL queries and database performance for reliability and speed.
• Drive best practices across monitoring, observability, and automation.
• Collaborate with cross-functional teams to deliver new platform capabilities.

About You

• Strong commercial experience with Java 11+, ideally Java 21.
• Deep knowledge of Spring, Kafka, and SQL / DBMS.
• Comfortable with functional programming concepts in Java or Kotlin.
• Proven background building cloud-native, microservice-based systems.
• Excellent communication skills and a collaborative mindset.
• Passion for writing clean, efficient, and testable code.

The Offer

• Salary up to £100,000 (depending on experience).
• Hybrid working – 3 days per week in modern central offices.
• Opportunity to shape technical direction within a fast-growing business.
• Supportive, engineering-led culture with real autonomy and impact.

If you’re a Senior Java Engineer who thrives on solving complex problems and enjoys working in a modern, data-driven environment, this is an outstanding opportunity to join a team where your work truly matters.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

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