Applications Developer

Job Description:

Your Impact

We are seeking an experienced Applications Developer to develop, maintain, enhance and support business-critical applications and systems.

This role is responsible for the full software development life cycle, from requirements gathering and business analysis through to design, development, testing, deployment and ongoing support. Working closely with business stakeholders, you will deliver high-quality technical solutions that support operational effectiveness and continuous improvement across the organisation.

The successful candidate will combine strong technical expertise with excellent communication skills and a proactive approach to problem-solving.

Key Responsibilities

• Develop, maintain and support business applications and software solutions.
• Work with stakeholders to understand business requirements and translate them into technical specifications.
• Design, develop, test and implement new functionality and system enhancements.
• Perform application troubleshooting, root cause analysis and issue resolution.
• Integrate business applications with Microsoft Office products and associated file formats.
• Develop and maintain database access functionality and data-driven solutions.
• Produce and maintain technical documentation.
• Support software releases, upgrades and deployments.
• Identify opportunities for process improvement and system optimisation.
• Provide technical support and guidance to users and project teams.

What you'll bring

• Proven experience delivering software solutions across the full application development life cycle.
• Strong business analysis and requirements gathering skills.
• Expert knowledge of VB.NET and the Microsoft Visual Studio development environment.
• Strong understanding of Object-Oriented Programming (OOP) principles.
• Expert knowledge of Microsoft Office applications.
• Experience integrating Microsoft Office applications and files using VB.NET.
• Working knowledge of Microsoft DAO API and SQL.
• Experience developing and supporting business-critical applications.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.

Security Clearance

This role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https://careers.uk.leonardo.com/gb/en/security-and-vetting

Why join us

At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work–life balance. Whether you're looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive.

• Time to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi-days each year.
• Secure your Future: Benefit from our award-winning pension scheme with up to 15% employer contribution.
• Your Wellbeing Matters: Free access to mental health support, financial advice, and employee-led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity).
• Rewarding Performance: All employees at management level and below are eligible for our bonus scheme.
• Never Stop Learning: Free access to 4,000+ online courses via Coursera and LinkedIn Learning.
• Refer a friend: Receive a financial reward through our referral programme.
• Tailored Perks: Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible working: Flexible hours with hybrid working options. For part time opportunities, please talk to us about what might be possible for this role.

For a full list of our company benefits please visit our website.

Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.

Leonardo is a global leader in Aerospace, Defence, and Security. Headquartered in Italy, we employ over 53,000 people worldwide including 8,500 across 9 sites in the UK. Our employees are not just part of a team—they are key contributors to shaping innovation, advancing technology, and enhancing global safety.

At Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. We believe that a diverse workforce sparks creativity, drives innovation, and leads to better outcomes for our people and our customers. If you have any accessibility requirements to support you during the recruitment process, just let us know.

Be part of something bigger - apply now!

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Primary Location:

GB - Basildon - Home Based

Contract Type:

Permanent

Hybrid Working:

Hybrid