Java Developer

CV-Library

London

13 months ago

Applications closed

Related Jobs

View all jobs

Android Mobile Developer

Darktrace Cambridge, CB2 3BJ, United Kingdom

Backend Engineer III - Managed Services

CrowdStrike United States

Hybrid

Backend Engineer III - Managed Services

CrowdStrike

Hybrid

Sr. Backend Engineer - Managed Services

CrowdStrike

Hybrid

Sr. Backend Engineer - Managed Services

CrowdStrike United States

Hybrid

Software Engineer II - Falcon for IT Group , London)

CrowdStrike London, United Kingdom

Hybrid

Posted: 28 Apr 2025 (13 months ago)

Save job

Create job alert

Applications closed

Java Developer – London | Permanent | 4-day Flex Working
Defence, Cyber & Intelligence Programmes | Competitive Benefits

About the Opportunity
A leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national security, cyber defence, and intelligence sectors. You’ll play a key role in developing advanced DevSecOps solutions that protect critical digital infrastructure, while benefiting from a strong culture of flexibility, innovation, and continuous learning.

Key Responsibilities

Plan, conduct and coordinate software development activities through the full lifecycle

Design, code, test, and debug high-quality software systems

Collaborate with stakeholders to interpret and deliver customer requirements

Analyse system capabilities to resolve queries related to program intent, output requirements, input data acquisition, and control techniques

Develop operating instructions and maintain thorough documentation of programme development

Support the implementation and maturation of CI/CD pipelines, particularly for cloud-based deployments

Work within Agile Scrum teams and contribute to continuous improvement initiatives

Mentor and support junior engineers where appropriate

Essential Skills and Experience

Proficient in Java (latest versions) and Python

Strong development experience on Linux platforms

Knowledge of unit testing and mocking frameworks, particularly JUnit 5.x (Jupiter)

Familiar with Git version control and GitLab CI/CD pipelines

Hands-on experience with Agile (Scrum) methodologies

Database experience with Oracle and/or MongoDB

Experience using the Atlassian suite: Bitbucket, Jira, and Confluence

Desirable Skills

Knowledge of Apache NiFi

Front-end development with React (JavaScript/TypeScript)

Working knowledge of Elasticsearch and Kibana

Experience developing for cloud environments, particularly AWS (EC2, EKS, Fargate, IAM, S3, Lambda)

Understanding of Hibernate ORM

Experience building microservice or serverless architectures

Knowledge of migrating on-premise applications to cloud environments

Location and Work Style

London

4-day flex working pattern to support excellent work-life balance.

Security Clearance:
Applicants must be eligible for DV/eDV clearance to be considered.

If you're passionate about software innovation, cloud-native architectures, and making a real impact in national security, this is an outstanding opportunity to grow your career.

Omega Resource Group is acting as an Employment Agency in relation to this vacancy

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Apr 9, 2026

Products

Where to Advertise Cyber Security Jobs in the UK (2026 Guide)

Advertising cyber security jobs in the UK requires a different approach to most technical hiring. The candidate pool is small, heavily vetted and in high demand across government, financial services, critical national infrastructure and the private sector simultaneously. Many of the strongest candidates hold active security clearances, are not actively job-searching through general platforms, and move primarily through specialist networks and trusted referrals. General job boards reach a broad audience but lack the specificity that security professionals expect. Specialist platforms, government-affiliated channels and cleared candidate networks each serve a different part of the market. This guide, published by CybersecurityJobs.tech, covers where to advertise cyber security roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types.

Apr 5, 2026

Jobs

Cyber Security Jobs UK 2026: What to Expect Over the Next 3 Years

Cyber security is one of the few sectors where demand for talent has never once dipped. Every major technological shift of the past decade — cloud migration, remote working, AI adoption, the proliferation of connected devices — has expanded the attack surface that security professionals are expected to defend. And every expansion of that attack surface has generated more jobs. But the cyber security jobs market of 2026 is not simply a larger version of what it was three years ago. It is a structurally different market. The threats have evolved, the technologies used to combat them have changed, the regulatory environment has tightened considerably, and the roles being created reflect all of that. A job seeker who understands only the cyber security landscape of 2023 is already working with an outdated map. The candidates who will thrive over the next three years are those who understand where the sector is heading — which specialisms are attracting the most investment, which technologies are reshaping defensive and offensive security practice, and how the definition of a cyber security professional is broadening well beyond the traditional image of a network defender in a SOC. This article breaks down what the UK cyber security jobs market is likely to look like through to 2028 — covering the titles emerging right now, the technologies driving employer demand, the skills that will matter most, and how to position your career ahead of the curve.

Mar 24, 2026

Jobs

Penetration Tester Jobs in the UK: What Employers Actually Want in 2026

The demand for skilled professionals in cyber security has never been higher, and penetration testers sit at the very heart of this rapidly evolving industry. As organisations across the UK continue to digitise their operations, protect sensitive data, and defend against increasingly sophisticated threats, the need for ethical hackers has grown dramatically. If you are considering a career in this field—or looking to advance within it—it is essential to understand what employers are really looking for in 2026. This guide breaks down the current expectations, required skills, certifications, and practical experience that can help you stand out in a competitive job market.