1,792 Junior Developers jobs in the United Kingdom

Junior PHP Developers Wanted

Opportunity to join one of the fastest growing eCommerce companies in the UK!

• Snodland, Kent. This role is in the office full time!
• Salary up to 30k - 32k plus benefits
• OOP, PHP, LAMP, MVC, RESTful APIs

This opportunity is to work on site. No remote working on offer!

We are looking for talented Junior PHP Developers to join one of the UK's fastest growing and most exciting ecommerce companies. Build new products, engineer new solutions, create systems and platforms that provide innovative products used around the home.

About You:

You are a Junior Developer with back end PHP / LAMP stack experience, sound knowledge of OOP, design principles and building quality, robust and reusable solutions.

You like people and working with them day to day! You enjoy team collaboration when required and knuckling down to write quality, testable, reusable code when that's the task at hand.

The Team:

You will join a diverse team of software & web engineers working on a range of clever and problem solving products. The solutions are digital retail, ecommerce and web services and include the development & design of products, systems, platforms, websites and much more.

Successful developers in this team demonstrate passion and enthusiasm and a willingness to contribute to team goals, help others and to keep improving and evolving their own skills.

The tech stack:

• OOP
• PHP8+
• MySQL
• LAMP
• MVC frameworks including Cake4
• GIT/Source Control
• HTML, CSS
• JavaScript

This position provides the successful candidate with the exposure to the very latest in web technology release as well as the opportunity to work on multiple projects.

Apply now - Please send your CV or an introduction email to (url removed). Find me on LinkedIN, Twitter and through the Spectrum IT Recruitment website.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Title: Java API specialist Developers 

Experience: 8+years

Location: London 

Work Type: Hybrid 3days/Week

Contract duration: 6 months

• 5+ years development experience using TDD in Java 8+
• Experience developing with Spring and SpringBoot
• Experience developing RESTful web services on a Microservices architecture
• Expert in Agile methodologies and Scrum framework
• Hands-on Experience in CI/CD pipelines
• Knowledge of web security, API security and common vulnerability remediation
• DevOps experience
• Strong background with automated testing
• TMF Framework knowledge and experience
• APIGEE API knowledge and experience

1. Candidate should clear Codility Test
2. Customer technical interview covers on Open API implementation and Contract type approach.

Java Developers - 100% Remote role

SC Clearance is preferred but will sponsor exceptional applicants

Overview of the Java Developers role

We are looking for highly skilled Java Developers to join a secure government project with a critical deadline. This is an opportunity to work on a large-scale system where your expertise in Java, Spring Boot, and AWS will be essential. You will be part of a collaborative team, building scalable solutions and solving complex problems that have a real impact.

Key responsibilities for Java Developers

• Design, develop, and deploy backend services using Java and Spring Boot

• Build and maintain scalable APIs

• Analyse schemas and write optimised SQL queries against large datasets

• Work closely with DevOps on Docker containerisation and cloud deployment in AWS

• Contribute to architectural decisions and shape technical roadmaps

• Write clean, well-tested, and maintainable code

• Perform code reviews and mentor junior engineers

Essential skills for Java Developers

• Strong expertise in Java (8/11/17+) and core libraries

• Proven experience with Spring Boot and microservices

• Strong background in AWS (EC2, S3, Lambda, IAM)

• Knowledge of Kafka or similar messaging systems

• Advanced SQL skills with query optimisation

• Experience building REST / JSON APIs

• Proficiency with Docker for local and cloud deployments

• Excellent communication skills

Nice-to-have skills for Java Developers

• Knowledge of JavaScript & ReactJS

• Familiarity with Amazon Aurora / RDS

• Experience with JUnit and testing frameworks

To apply for the Java Developers role, please send your CV by pressing the apply button.

Java Developers - 100% Remote role

SC Clearance is preferred but will sponsor exceptional applicants

Overview of the Java Developers role

We are looking for highly skilled Java Developers to join a secure government project with a critical deadline. This is an opportunity to work on a large-scale system where your expertise in Java, Spring Boot, and AWS will be essential. You will be part of a collaborative team, building scalable solutions and solving complex problems that have a real impact.

Key responsibilities for Java Developers

• Design, develop, and deploy backend services using Java and Spring Boot

• Build and maintain scalable APIs

• Analyse schemas and write optimised SQL queries against large datasets

• Work closely with DevOps on Docker containerisation and cloud deployment in AWS

• Contribute to architectural decisions and shape technical roadmaps

• Write clean, well-tested, and maintainable code

• Perform code reviews and mentor junior engineers

Essential skills for Java Developers

• Strong expertise in Java (8/11/17+) and core libraries

• Proven experience with Spring Boot and microservices

• Strong background in AWS (EC2, S3, Lambda, IAM)

• Knowledge of Kafka or similar messaging systems

• Advanced SQL skills with query optimisation

• Experience building REST / JSON APIs

• Proficiency with Docker for local and cloud deployments

• Excellent communication skills

Nice-to-have skills for Java Developers

• Knowledge of JavaScript & ReactJS

• Familiarity with Amazon Aurora / RDS

• Experience with JUnit and testing frameworks

To apply for the Java Developers role, please send your CV by pressing the apply button.

Application Developer

London - hybrid

8 Months+

Inside IR35- Umbrella only

Core Technical Skills:

React Native & Expo:

• Proficient with React Native and Expo open source modules (bare workflow)
• Strong React fundamentals: hooks, context, state management
• React Navigation, app routing JavaScript & TypeScript
• Advanced JavaScript (ES6+) and TypeScript
• Type safety and maintainability for large-scale projects
• Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules
• Native module integration in Expo
• React Native projects
• State Management & Storage Redux for complex state management MMKV for high-performance key-value storage

Nice to have skills:

• Architecture & APIs System Design
• Deep expertise in complex React Native architectures and patterns
• Subject matter expert for technical problem-solving and architectural guidance
• Designs solutions for the most challenging technical requirements GraphQL Integration Apollo GraphQL client expertise
• Query optimisation, caching, error handling
• Real-time subscriptions (coming soon)
• Integration Adobe Analytics implementation and mobile tracking
• Adobe Experience Manager (AEM) for content delivery
• Firebase Remote Config for feature configuration CI/CD
• Knowledge of native build processes and optimisation
• Go-to person for complex deployment and build issues
• GitLab CICD experience a plus Deep Technical Requirements
• Expert-level debugging and problem-solving across iOS/Android platforms

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!

We are seeking Mid-Level Application Software Engineers to join our clients growing team where you’ll play a key role in designing and developing cutting-edge software for audio and live performance technology, collaborating with a supportive and dynamic team dedicated to enhancing the live experience for artists and audiences alike.

What You’ll Do

• Develop and maintain desktop applications for audio and live performance environments
li>Work on cross-platform solutions for Embedded Linux, macOS, and iOS
• Collaborate in Agile teams, contributing to sprint planning, code reviews, and CI/CD pipelines
• Build intuitive graphical user interfaces (GUI) with Qt/QtQuick
• Integrate networking features using TCP/IP for seamless device communication
• Support the evolution of products that shape the sound of live performances globally

What We're Looking For

• Strong proficiency in C++ and C#
• Experience with multithreading and complex, concurrent software systems
• Familiarity with cross-platform desktop development (Embedded Linux/macOS/iOS)
• Understanding of Agile methodologies, CI/CD, and version control
• Networking knowledge (TCP/IP)
• Bonus: Experience or interest in Delphi, Flutter, and full-stack development
• Appreciation for audio mixing technology and live streaming
• Interest in hardware/software integration (FPGA/embedded systems)

You’ll Thrive Here If You…

• Are self-motivated, proactive, and eager to solve complex problems
• Communicate effectively and enjoy collaborating in a team
• Bring prior experience in audio technology or related fields (a plus, not a must)

Why Join?

• Innovative Culture: Help develop new products and enhance existing solutions at the forefront of audio technology
• Real-World Impact: Your work will be used by leading audio professionals on stages and in studios around the world
• Career Growth: Structured progression and opportunities to make a tangible impact
• Work-Life Balance: Flexible hours and a hybrid office model
• Collaborative Team: Work alongside passionate engineers dedicated to delivering the best in live audio technology

If you’re excited about shaping the future of live performance technology and want to work with a team that shares your passion for audio and music, apply now!

We are seeking Mid-Level Application Software Engineers to join our clients growing team where you’ll play a key role in designing and developing cutting-edge software for audio and live performance technology, collaborating with a supportive and dynamic team dedicated to enhancing the live experience for artists and audiences alike.

What You’ll Do

• Develop and maintain desktop applications for audio and live performance environments
li>Work on cross-platform solutions for Embedded Linux, macOS, and iOS
• Collaborate in Agile teams, contributing to sprint planning, code reviews, and CI/CD pipelines
• Build intuitive graphical user interfaces (GUI) with Qt/QtQuick
• Integrate networking features using TCP/IP for seamless device communication
• Support the evolution of products that shape the sound of live performances globally

What We're Looking For

• Strong proficiency in C++ and C#
• Experience with multithreading and complex, concurrent software systems
• Familiarity with cross-platform desktop development (Embedded Linux/macOS/iOS)
• Understanding of Agile methodologies, CI/CD, and version control
• Networking knowledge (TCP/IP)
• Bonus: Experience or interest in Delphi, Flutter, and full-stack development
• Appreciation for audio mixing technology and live streaming
• Interest in hardware/software integration (FPGA/embedded systems)

You’ll Thrive Here If You…

• Are self-motivated, proactive, and eager to solve complex problems
• Communicate effectively and enjoy collaborating in a team
• Bring prior experience in audio technology or related fields (a plus, not a must)

Why Join?

• Innovative Culture: Help develop new products and enhance existing solutions at the forefront of audio technology
• Real-World Impact: Your work will be used by leading audio professionals on stages and in studios around the world
• Career Growth: Structured progression and opportunities to make a tangible impact
• Work-Life Balance: Flexible hours and a hybrid office model
• Collaborative Team: Work alongside passionate engineers dedicated to delivering the best in live audio technology

If you’re excited about shaping the future of live performance technology and want to work with a team that shares your passion for audio and music, apply now!

Application Developer

London - hybrid

8 Months+

Inside IR35- Umbrella only

Core Technical Skills:

React Native & Expo:

• Proficient with React Native and Expo open source modules (bare workflow)
• Strong React fundamentals: hooks, context, state management
• React Navigation, app routing JavaScript & TypeScript
• Advanced JavaScript (ES6+) and TypeScript
• Type safety and maintainability for large-scale projects
• Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules
• Native module integration in Expo
• React Native projects
• State Management & Storage Redux for complex state management MMKV for high-performance key-value storage

Nice to have skills:

• Architecture & APIs System Design
• Deep expertise in complex React Native architectures and patterns
• Subject matter expert for technical problem-solving and architectural guidance
• Designs solutions for the most challenging technical requirements GraphQL Integration Apollo GraphQL client expertise
• Query optimisation, caching, error handling
• Real-time subscriptions (coming soon)
• Integration Adobe Analytics implementation and mobile tracking
• Adobe Experience Manager (AEM) for content delivery
• Firebase Remote Config for feature configuration CI/CD
• Knowledge of native build processes and optimisation
• Go-to person for complex deployment and build issues
• GitLab CICD experience a plus Deep Technical Requirements
• Expert-level debugging and problem-solving across iOS/Android platforms

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!