Java Full Stack Developer in Slough

Java Full Stack Developer in Slough

Slough Freelance 40000 - 50000 £ / year (est.) Home office (partial)
Queen Square Recruitment Ltd

At a Glance

  • Tasks: Design and build complex Java/Python applications in a microservices environment.
  • Company: Leading tech firm focused on AI and innovative solutions.
  • Benefits: Competitive daily rate, hybrid work model, and opportunities for professional growth.
  • Other info: Dynamic role with potential for mentoring and leadership opportunities.
  • Why this job: Join a global team and make an impact in cutting-edge technology.
  • Qualifications: 10+ years in backend engineering with strong Java and Python skills.

The predicted salary is between 40000 - 50000 £ per year.

Location: London - Hybrid – 3 days per week onsite

Start Date: ASAP

Contract Rate: TBC, likely in the region of £500 per day inside IR35

Duration: 6 to 12 months initially

Role Overview

Our client is seeking a Senior Java Full Stack Developer to help design, build, and support complex Java/Python applications within a distributed, microservices‑driven environment. You’ll work across global teams, contribute to an AI‑focused engineering roadmap, and provide critical L3 production support to ensure stability and performance.

Key Responsibilities

  • Develop and maintain Java & Python applications, microservices, and distributed systems.
  • Work with global product, UX, and engineering teams to deliver high‑quality solutions.
  • Contribute across the full SDLC, ensuring scalable, secure, test‑driven delivery.
  • Support L3 production incident resolution, root‑cause analysis, and preventive fixes.
  • Perform code reviews, enforce best practices, and mentor junior engineers.
  • Lead development tasks and uphold high engineering standards.

Skills & Experience

Essential:

  • 10+ years' backend engineering experience.
  • Strong Java, Python, microservices, REST APIs, distributed systems.
  • RDBMS (Oracle/SQL Server/Postgres), CI/CD, Docker, Kubernetes.
  • JVM tuning, performance optimisation, algorithms & data structures.
  • L3 production support experience.
  • Experience with LLMs, AWS, LangChain/LangGraph, and agentic AI frameworks.

Desirable:

  • Mentoring/technical leadership.
  • Financial services experience.
  • Spring Boot, Kafka, Redis, in‑memory caching.
  • BDD tools (Cucumber/JBehave/Karate).
  • Agile/Scrum understanding.

If you have the relevant skills and experience, please do apply promptly to be considered.

Java Full Stack Developer in Slough employer: Queen Square Recruitment Ltd

Join a forward-thinking company in London that values innovation and collaboration, offering a hybrid work model that promotes work-life balance. With a strong focus on employee growth, you will have the opportunity to mentor junior engineers and contribute to cutting-edge AI projects while working alongside global teams. Enjoy competitive rates and a supportive culture that prioritises high engineering standards and professional development.

Queen Square Recruitment Ltd

Contact Details:

Queen Square Recruitment Ltd Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Java Full Stack Developer in Slough

Make Your Portfolio Shine

As a freelancer in software development, your portfolio is your bread and butter. Showcase not only your completed projects but also your coding skills on platforms like GitHub or GitLab. This visibility can lead to clients reaching out to you directly!

Join Developer Communities

Get involved in developer communities like Stack Overflow or Reddit's r/programming. Contributing to discussions, sharing your knowledge, or even helping others can expand your network and lead to freelance opportunities. Plus, it keeps you in the loop about what’s trending in software development.

Freelance Platforms Are Your Friend

Sign up for popular freelance platforms such as Upwork or Freelancer. They’re filled with people looking for talent like yours! Don’t forget to personalise your pitch to each potential client, highlighting how your unique skills can solve their specific problems.

Utilise Your Network

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We think you need these skills to ace Java Full Stack Developer in Slough

Java
Python
Microservices
REST APIs
Distributed Systems
RDBMS (Oracle/SQL Server/Postgres)
CI/CD

Some tips for your application 🫡

Showcase Your GitHub Projects:When applying for a freelance software engineering gig at Queen Square Recruitment Ltd, 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 Queen Square Recruitment Ltd 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 Queen Square Recruitment Ltd.

How to prepare for a job interview at Queen Square Recruitment Ltd

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!

Prepare for Technical Challenges

Freelance gigs often involve tech assessments or coding challenges, so be ready to tackle some hands-on problems. Brush up on common algorithms, data structures, and any languages/frameworks relevant to the role at Queen Square Recruitment Ltd. Being comfortable with platforms like HackerRank or LeetCode can give you an edge and showcase your skills under pressure!

Be Clear About Your Rates and Flexibility

As a freelancer, be prepared to discuss your rates upfront. It's crucial to communicate your pricing structure clearly and whether you're open to negotiation. Do your homework on industry standards to ensure you pitch a fair and competitive rate that reflects your skills and experience!

Understand Their Tech Stack

Before the interview, get familiar with the tools and technologies used at Queen Square Recruitment Ltd. Whether it's a particular framework or a specific coding methodology, being knowledgeable about their tech stack not only shows your interest but also helps you present how you could fit seamlessly into their existing projects. Demonstrating you’ve done your homework can set you apart from other candidates!