1,003 Junior Developers jobs in the United Kingdom

Backend Development: Set up and maintain the backend server using Flask to support the application, ensuring scalability, security, and efficiency.

THIS IS AN UNPAID VOLUNTEERING ROLE.

Role Title: Web Designers / Developers

Role Nature: Volunteer

Location: Home-based

The Blockchain & Climate Institute (BCI) is an international volunteer-led think tank supporting and advocating the application of blockchain technology in the global fight against climate change.

We are looking to recruit a couple of highly motivated and enthusiastic VOLUNTEERS serving as Web Designers or Developers . Working with IT Support Officers and other Web Developers, you will also be given exposure to our projects on blockchain, artificial intelligence, and other emerging digital technologies under development.

The ideal candidates will be responsible for providing frontline web support for the BCI. As part of the Technology Officer Grade, the Web Developers will be responsible for designing, developing, and maintaining BCI's new website. The successful candidates will also be required to test new products, run regular maintenance checks, and keep abreast with information security issues.

Responsibilities:

• Writing code in one or more programming or scripting languages, such as PHP or JavaScript;
• Planning and prototyping new applications;
• Designing the architecture of the components of an application;
• Deciding on the best technologies and languages for the project;
• Testing sites and applications in different browsers and environments;
• Problem-solving by fixing bugs in existing projects;
• Testing new features thoroughly to ensure they perform the correct task in all cases;
• Running performance benchmarking tests;
• Reviewing colleagues' code;
• Building and testing Application Program Interfaces (APIs) for applications to exchange data;
• Researching and incorporating Open Source projects;
• Meeting designers, developers, and project staff for progress updates;
• Gathering requirements from clients and users;
• Learning and testing new technologies, frameworks, and languages;
• Staying up-to-date with new trends and advancements in web development;
• Building and maintaining databases;
• Carrying out code refactoring and optimization of existing code;
• Documenting code, so other developers can understand and contribute to it;
• Designing information architecture within an application or website.

Requirements

Skills and abilities

• Technical knowledge in areas such as client-side components, server-side languages, web application frameworks, and database management systems;
• Experience with version control systems, and a thorough understanding of the architecture of web applications and web security and encryption;
• Attention to detail;
• A logical approach to problem-solving;
• The ability to work independently and in mixed teams;
• Experience with development methodologies (such as Agile and Waterfall);
• The ability to manage a complex range of tasks and meet deadlines;
• Good communication skills. Fluent in English.

Education & Training

A degree in one of the following subjects:

• Computer science;
• Software engineering;
• Web design and development;
• Informatics.

Additional courses will be beneficial to the role: BTEC (Edexcel) National Certificate and Diploma IT Practitioners, City & Guilds (E-Quals) IT Practitioners Certificate, and Advanced Diploma and OCR (iPRO) Certificate for IT Practitioners.

Relevant Experience

• Experience in design, develop , manage and maintain a WordPress website for NGO/Governmental organisation/think tank/charitable organisation/public enterprise/B2B business
• Experience in building constructive relationships with stakeholders;
• Experience in working independently and with teams to drive forward projects using one's own initiative.

Benefits

Blockchain and other emerging technologies. Climate change and sustainability. These are two hot topic groups that have been headlining media outlets, dominating conferences & events, and gaining increasing traction in research and pilot projects. BCI is here as an expert platform to help governments, inter-governmental and regional organizations as well as relevant corporates to negotiate the complex landscape of emerging technologies for environmental good. We cement our expertise by putting in the hard work in researching, identifying, and analyzing the applications of emerging technologies so that informed decisions can be made by the stakeholders in the climate change and action network.

What's in it for the volunteer?

Benefits you will get from volunteering with BCI are enormous and some include:

• You will hone or learn new skills including research, presentation, writing, professional etiquette,
• Your mind will be mentally stimulated, hence providing you with a sense of purpose;
• You will advance and boost your professional career by helping you to make professional connections and giving you real-world experience at the intersection between climate and emerging technologies; and
• Help you develop long-lasting professional relationships with others. People who come together to make the world a better place forge a close connection.

Benefits you will get from volunteering with BCI are enormous and some include:

• Your mind will be mentally stimulated, hence providing you with a sense of purpose;
• You will advance and boost your professional career by helping you to make professional connections and giving you real-world experience at the intersection between climate and emerging technologies; and
• Help you develop long-lasting professional relationships with others. People who come together to make the world a better place forge a close connection.

Selection Process

As a voluntary organization, we are pleased to open the door for candidates who may not have the prior experience they need to start, progress, or switch their careers. To recruit the most suitable, talented, or potential new members out of the volume of applications received, it is the BCI’s policy to also consider inexperienced candidates to fill our voluntary unpaid roles as long as they can demonstrate the skills required in the written assessment. In the selection process, most candidates will be invited to complete the following assessment.

Section A: Verbal and Numerical Reasoning (20 multiple-choice questions)

Section B: Situation Judgement Test (20 multiple-choice questions)

Section C: In-Tray Exercise (An open-ended assessment relevant to the duties of the role)

Candidates who pass all three sections will be invited to attend a phone screening, first interview, and final interview online.

Superb 12 month contract opportunities on offer for multiple Senior Java Developers within a Central Government Department.

We're looking for talented and enthusiastic Java Developers (with experience of Java 21) who want to work within an Agile, multidisciplinary team of Developers, Designers, and Analysts on a major digital transformation programme.

You will be an integral part of the team designing, creating and improving new and existing products, and platforms across a major government programme.

To be considered for these superb opportunities your skills/ experience will include the following:

• Recent experience with Java 21.
• Excellent understanding of TDD and BDD.
• Experience with large microservice architectures.
• Experience of working in an Agile environment.
• Be willing to work in a pair programming environment.
• Have experience in implementing APIs for internal and external use.
• Working knowledge of Jackson, JAX-RS, mocking frameworks such as Mockito, and messaging platforms such as ActiveMQ or Kafka.
• Experience of MongoDB or other document databases.
• Experience of building and scaling high-traffic websites.

Experience working within the Public Sector is highly desirable.

These assignments are inside scope of IR35 and will be offered on a hybrid working model (3 days per week in the Leeds office / 2 days WFH)

To be considered for these opportunities, you must be a UK resident for the last five years and be eligible for SC clearance.

For further information, please contact (url removed)

Attenti Consulting is acting as an Employment Business in relation to this vacancy.

Superb 12 month contract opportunities on offer for multiple Senior Java Developers within a Central Government Department.

We're looking for talented and enthusiastic Java Developers (with experience of Java 21) who want to work within an Agile, multidisciplinary team of Developers, Designers, and Analysts on a major digital transformation programme.

You will be an integral part of the team designing, creating and improving new and existing products, and platforms across a major government programme.

To be considered for these superb opportunities your skills/ experience will include the following:

• Recent experience with Java 21.
• Excellent understanding of TDD and BDD.
• Experience with large microservice architectures.
• Experience of working in an Agile environment.
• Be willing to work in a pair programming environment.
• Have experience in implementing APIs for internal and external use.
• Working knowledge of Jackson, JAX-RS, mocking frameworks such as Mockito, and messaging platforms such as ActiveMQ or Kafka.
• Experience of MongoDB or other document databases.
• Experience of building and scaling high-traffic websites.

Experience working within the Public Sector is highly desirable.

These assignments are inside scope of IR35 and will be offered on a hybrid working model (3 days per week in the Leeds office / 2 days WFH)

To be considered for these opportunities, you must be a UK resident for the last five years and be eligible for SC clearance.

For further information, please contact (url removed)

Attenti Consulting is acting as an Employment Business in relation to this vacancy.

LTE Group has an exciting opportunity to join our Information Services Department as a Senior Application Developer on a permanent, full time (37 hours per week) basis. Based out of our Openshaw campus in Manchester.

Who are The LTE Group?

The LTE Group is largest social enterprises in the UK dedicated to lifelong learning; we truly believe in the power of education to change lives. We consist of The Manchester College, MOL, Total People, UCEN Manchester, Novus, and LTE Group Operations. We are committed to delivering outstanding outcomes for our learners.

What the Senior Application Developer role entails.

We are looking for a highly experienced Senior Application Developer to lead and support the customisation and integration of off-the-shelf software products. In this senior role, you will collaborate with both business stakeholders and the IT team to design, implement, and maintain COTS solutions that address complex organisational needs.

Benefits

• 26 days paid annual leave plus 8 bank holidays
• Local Government pension contribution
• Retail discounts
• Employee Assistance Program
• Cycle to work scheme

Role Responsibilities

Please see the attached role profile for an overview of general role responsibilities.

Skills, Qualifications and Experience

To be successful in this role, you will need to:

• Level 4 Qualification or equivalent, or willingness to work towards
• Minimum of 5 years working with off-the-shelf software solutions, including integration, customisation, and support.
• Experience of working within change control procedures
• Strong proficiency with integrating software systems and third party APIs.
• Knowledge of SQL and experience working with databases (e.g., MySQL, MS SQL) to manage data and ensure smooth platform performance.
• Knowledge with version control systems (e.g., Git and GitHub) for code management.
• Proven ability to document software development and create test scripts
• Excellent debugging skills, and experience troubleshooting performance issues, server logs, and user related problems.
• Problem-Solving: Strong analytical skills with the ability to troubleshoot complex issues and implement effective solutions.
• Attention to Detail: High level of attention to detail, ensuring that all aspects of application development, customisation, and integration are executed accurately.
• Communication: Strong communication skills, capable of collaborating with both technical and nontechnical stakeholders.
• Collaboration: Ability to work effectively with cross-functional teams, including instructional designers, educators, and system administrators.
• Adaptability: Ability to learn and stay updated on new software technologies and trends.

Safeguarding

The LTE Group is committed to safeguarding and promoting the welfare of children and young people and expects all staff and volunteers to share this commitment. All applicants will be required to undergo an appropriate DBS check via the Criminal Records Bureau and may be subject to additional online checks as part of our pre-screening process. Some roles are exempt from the Rehabilitation of Offenders Act 1974 and would require an Enhanced DBS check.

Equal Opportunities Statement

At The Manchester College, we're committed to providing an environment free from discrimination, bullying, harassment, or victimisation, where all members of our community are treated with respect and dignity. The Manchester College is committed to working in an inclusive way with all the communities where we are geographically located and to developing a workforce and student community that reflects Greater Manchester's and the UK's rich diversity and vibrancy.

The closing date for this job advert is 16/09/2025. However, sometimes the job advert may close early if we receive a good response!

LTE Group has an exciting opportunity to join our Information Services Department as a Senior Application Developer on a permanent, full time (37 hours per week) basis. Based out of our Openshaw campus in Manchester.

Who are The LTE Group?

The LTE Group is largest social enterprises in the UK dedicated to lifelong learning; we truly believe in the power of education to change lives. We consist of The Manchester College, MOL, Total People, UCEN Manchester, Novus, and LTE Group Operations. We are committed to delivering outstanding outcomes for our learners.

What the Senior Application Developer role entails.

We are looking for a highly experienced Senior Application Developer to lead and support the customisation and integration of off-the-shelf software products. In this senior role, you will collaborate with both business stakeholders and the IT team to design, implement, and maintain COTS solutions that address complex organisational needs.

Benefits

• 26 days paid annual leave plus 8 bank holidays
• Local Government pension contribution
• Retail discounts
• Employee Assistance Program
• Cycle to work scheme

Role Responsibilities

Please see the attached role profile for an overview of general role responsibilities.

Skills, Qualifications and Experience

To be successful in this role, you will need to:

• Level 4 Qualification or equivalent, or willingness to work towards
• Minimum of 5 years working with off-the-shelf software solutions, including integration, customisation, and support.
• Experience of working within change control procedures
• Strong proficiency with integrating software systems and third party APIs.
• Knowledge of SQL and experience working with databases (e.g., MySQL, MS SQL) to manage data and ensure smooth platform performance.
• Knowledge with version control systems (e.g., Git and GitHub) for code management.
• Proven ability to document software development and create test scripts
• Excellent debugging skills, and experience troubleshooting performance issues, server logs, and user related problems.
• Problem-Solving: Strong analytical skills with the ability to troubleshoot complex issues and implement effective solutions.
• Attention to Detail: High level of attention to detail, ensuring that all aspects of application development, customisation, and integration are executed accurately.
• Communication: Strong communication skills, capable of collaborating with both technical and nontechnical stakeholders.
• Collaboration: Ability to work effectively with cross-functional teams, including instructional designers, educators, and system administrators.
• Adaptability: Ability to learn and stay updated on new software technologies and trends.

Safeguarding

The LTE Group is committed to safeguarding and promoting the welfare of children and young people and expects all staff and volunteers to share this commitment. All applicants will be required to undergo an appropriate DBS check via the Criminal Records Bureau and may be subject to additional online checks as part of our pre-screening process. Some roles are exempt from the Rehabilitation of Offenders Act 1974 and would require an Enhanced DBS check.

Equal Opportunities Statement

At The Manchester College, we're committed to providing an environment free from discrimination, bullying, harassment, or victimisation, where all members of our community are treated with respect and dignity. The Manchester College is committed to working in an inclusive way with all the communities where we are geographically located and to developing a workforce and student community that reflects Greater Manchester's and the UK's rich diversity and vibrancy.

The closing date for this job advert is 16/09/2025. However, sometimes the job advert may close early if we receive a good response!