Mid-Level Developer

Job Description:

Mid-Level Developer

Kahootz are a leading provider of secure collaboration software to a range of clients including in the central government, healthcare and defence domains. The software is cloud based and designed to help teams improve their efficiency through closer collaboration, enabled by a comprehensive toolset include file sharing, discussions forums and dynamic databases.

The software sits at the core of a number of nationally significant, but classified, defence programmes and was instrumental in supporting the rapid reaction to the COVID pandemic in the NHS.

POSITION:

As a Mid-Level Developer at Kahootz, you will play an important role in the development and ongoing evolution of our secure cloud collaboration platform. You’ll work as part of an agile development team, contributing to the design, implementation, and maintenance of features that support mission-critical work across government, defence, and healthcare sectors.

In this role, you’ll be expected to work with a degree of independence, taking ownership of development tasks from design through to delivery, while collaborating closely with senior developers, product, account management, and customer services teams. You’ll contribute to code quality through testing and reviews, help improve existing functionality, and support the continuous delivery of secure and reliable software. This position is ideal for a developer who has moved beyond entry-level responsibilities and is looking to deepen their technical expertise while making a meaningful impact on a complex, security-focused platform.

KEY OBJECTIVES:

• Develop software in an agile environment against defined requirements

• Deliver high-quality, maintainable code that meets functional and security standards

• Contribute to testing, code reviews, and continuous improvement of the platform.

JOB RESPONSIBILITIES:

Development

• Develop software in an agile environment with increasing autonomy

• Analyse software requirements to understand functional and non-functional needs

• Contribute to solution design and implementation decisions within established architectures

• Write clean, maintainable code aligned with Kahootz development standards

• Write and maintain unit tests to ensure quality and reliability.

Testing and Refactoring

• Fix defects and improve existing functionality

• Refactor legacy code to improve performance, readability, and maintainability

• Participate in code reviews, providing constructive feedback to peers

• Support the maintenance and improvement of development processes and standards.

Collaboration and Growth

• Work closely with senior developers to deliver features and enhancements

• Participate actively in product refinements, stand-ups, and retrospectives

• Develop understanding of secure development practices relevant to regulated environments

• Continuously improve technical skills and contribute ideas to enhance the product and development practices

• Contribute to the evaluation and adoption of new technologies and development tooling, including emerging areas such as AI.

JOB QUALIFICATIONS & EXPERIENCE:

• Commercial experience in software application development

• A degree in software engineering or a related field or qualified by experience

• Experience working with Relational Databases

• Experience using GIT version control systems.

Required technologies relevant to our work:

• JavaScript, jQuery

• CFML (ColdFusion or Lucee)

• SQL (MariaDB)

• SASS and CSS.

The following are beneficial but not essential:

• Java

• Software-as-a-Service platforms

• UX/UI Design

• Accessibility (WAI / WCAG)

• Responsive design

• Secure Development principles

• LINUX

• DevOps

• Tomcat / Apache

• Elasticsearch

• RESTful APIs

• SAML

• Redis

• AI-assisted coding or development tools

• Awareness of integrating AI or agent-based services into applications, including considerations around secure data access, proper context handling, and reliable orchestration within the platform.

BENEFITS

• Life Assurance 4x base salary

• Vitality Private Health Insurance

• Medical Health Insurance

• Cashplan

• Personal Travel Insurance

• Cycle to Work scheme

• Electric/Hybrid Vehicle scheme

• Discounted gym membership

• My Premier Benefits (discounted high street retailers).

ENHANCED BENEFITS

• 25 days annual leave

• 10 days rolling sick plan, including extended illness pay

• Pension 5% EE and 4% ER (increases after 3 years to a max of 6%).

MUCH MORE THAN A BENEFIT

• Career progression and individual career path support

• Internal Learning & Development programmes

• Annual awards ceremony and Company event (JABAs)

• Employee Assistance Program (EAP) and Mental Health First Aiders to support you

• Refer a friend scheme – up to £4,000 for each successful referral

• Join communities and collaborate with your colleagues through our internal networking events.

OUR DEIB COMMITMENT

Our people define us and, at Jonas, we believe that diversity in all its forms enriches our organisation and drives innovation. We actively seek to create an environment where all employees feel valued, heard, and empowered to contribute their best work. We do not discriminate on the basis of any protected characteristic and are dedicated to providing equal opportunities for all. Come and be part of a team where your unique background and experiences are celebrated!

FLEX WORKS CULTURE

Here at Jonas Software UK & Europe, we see flexibility as a game-changer. We truly believe that working flexibly together helps to increase our innovation, growth and productivity, as well as supports our employees’ wellbeing and helps to provide great places to work.

For most roles, the following types of flexibility are usually possible: working location, number of hours/days worked, different start and finishing times, flexible lunch break arrangements, agreed core hours, flexible hours, an element of working from home, compressed hours.

Many of our employees work flexibly in many different ways, including part-time. Please talk to us at interview about the flexibility you need. We can’t promise to give you exactly what you want, but we do promise not to judge you for asking.

For this role we are open to discussing the possibility of reduced hours, remote working, flexible start and finish times, or compressed hours.

Business Unit: