Fullstack Engineer

NPA WorldWide; Brighton; Hybrid; GBP 55,000 - 70,000; Full time

Job summary

A mission-led consultancy in the UK is seeking an experienced Fullstack Java Engineer to lead the design and development of secure, scalable systems. The ideal candidate will have deep expertise in Java and experience in leading teams. This role offers a competitive salary between £55,000 and £70,000, along with flexible working options, private healthcare, and opportunities for career progression.

Benefits

Flexible working hours

Learning & development budget

Private healthcare

Matched pension scheme

Monthly socials and quarterly meetups

Qualifications

• Expertise in delivering secure, production‑grade systems in agile teams.
• Experience balancing technical leadership with hands‑on development.
• Background in secure or classified environments is desirable.

Responsibilities

• Lead the design, development, and testing of secure, scalable systems using Java.
• Architect and maintain APIs, data pipelines, and cloud‑native solutions.
• Drive adoption of DevOps practices including CI / CD and infrastructure‑as‑code.
• Guide and mentor engineers to promote best practices and agile delivery.
• Collaborate with stakeholders to shape technical direction.

Skills

Deep expertise in Java with strong full‑stack engineering skills

Proven experience leading teams or projects at a senior / principal level

Strong knowledge of system architecture, cloud solutions, and API design

Familiarity with DevOps tools and automation (CI / CD, containers, IaC)

Excellent stakeholder engagement, influencing, and communication skills

Job description

Fullstack Java Engineer

Our client, a mission‑led consultancy, is looking for an experienced Principal Software Engineer (Java) to join their growing team.

They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact.

Key Responsibilities

• Lead the design, development, and testing of secure, scalable systems using Java with modern front‑end frameworks (e.g., React)
• Architect and maintain APIs, data pipelines, and cloud‑native solutions (AWS, Azure, private cloud)
• Drive adoption of DevOps practices (CI / CD, containers, infrastructure‑as‑code)
• Guide and mentor engineers, promoting best practice, clean coding, and agile delivery
• Collaborate with stakeholders and clients to shape technical direction and ensure robust, user‑focused solutions
• Contribute across the full software development lifecycle, from discovery to production support

Essential Skills & Experience

• Deep expertise in Java with strong full‑stack engineering skills
• Proven experience leading teams or projects at a senior / principal level
• Strong knowledge of system architecture, cloud solutions, and API design
• Familiarity with DevOps tools and automation (CI / CD, containers, IaC)
• Track record of delivering secure, production‑grade systems in agile teams
• Excellent stakeholder engagement, influencing, and communication skills

Desirable

• Background in secure or classified environments
• Knowledge of ITSM or systems within the government / defence sector
• Experience balancing technical leadership with hands‑on development

Whats in It for You

• Flexible working – 37.5 hrs/week with remote and hybrid options
• Learning & development budget for training, certifications, and conferences
• Private healthcare and matched pension scheme
• Monthly socials and quarterly company meetups
• Clear career progression into leadership roles in a high‑impact sector

Diversity & Inclusion

Our client is an equal opportunities employer and a Disability Confident organisation, committed to fostering a workplace where diverse perspectives are celebrated and everyone can thrive.

How to Apply

If you are an experienced Principal Software Engineer with expertise in Java and you’re excited to help deliver solutions that truly matter, we'd love to hear from you.

Qualifications

• Deep expertise in Java with strong full‑stack engineering skills
• Proven experience leading teams or projects at a senior / principal level
• Strong knowledge of system architecture, cloud solutions, and API design
• Familiarity with DevOps tools and automation (CI / CD, containers, IaC)

Why is This a Great Opportunity

• Flexitime – 37.5 hrs/week structured your way + remote options
• Learning budget for training, certifications, and conferences
• Private healthcare and matched pension
• Monthly socials and quarterly company meetups

Career growth in a fast‑moving, meaningful sector

Salary: £55,000 – £70,000 per annum (GBP).