We are seeking a highly skilled Senior Java Engineer to join a collaborative Agile engineering team delivering scalable, cloud-native solutions. This role is ideally suited to an experienced engineer who is passionate about software craftsmanship, enjoys knowledge sharing, and thrives in a highly collaborative environment where pair programming is a fundamental part of the team's day-to-day way of working.
Working within a modern engineering culture, you will help design, develop, and maintain high-quality applications using Java and AWS, while contributing to continuous improvement across development practices, automation, and delivery processes.
RESPONSIBILITIES
- Design, develop, and maintain robust, scalable applications using Java.
- Build and deploy cloud-native solutions leveraging AWS services.
- Participate in daily pair programming sessions as a core part of software delivery.
- Collaborate closely with engineers, architects, product stakeholders, and delivery teams.
- Champion engineering best practices including Test-Driven Development (TDD) and clean code principles.
- Contribute to the design and implementation of CI/CD pipelines to enable efficient and reliable software delivery.
- Support code reviews, technical discussions, and continuous improvement initiatives.
- Troubleshoot, optimise, and enhance existing applications and services.
- Promote a culture of collaboration, learning, and engineering excellence.
EXPERIENCE REQUIRED
- Significant experience working as a Senior Java Engineer, Software Engineer, or Developer within Agile delivery environments.
- Demonstrable experience delivering production-grade applications using Java and AWS.
- Proven track record of working within teams that utilise pair programming as a standard engineering practice.
- Experience working across the full software development lifecycle.
- Strong background in automated testing, continuous integration, and continuous deployment.
- Ability to collaborate effectively with distributed teams and non-technical stakeholders.
- Experience working within consultancy, enterprise, or large-scale technology environments would be advantageous.
SKILLS REQUIRED
Essential
- Strong commercial experience developing enterprise applications with Java.
- Solid hands-on experience working with AWS cloud services.
- Proven experience implementing and maintaining CI/CD pipelines.
- Strong understanding and practical application of Test-Driven Development (TDD).
- Extensive experience with pair programming methodologies.
- Comfortable working in a continuous pair programming environment on a daily basis.
- Strong knowledge of Agile software development practices.
- Excellent communication and collaboration skills.
Desirable
- Experience with microservices architectures.
- Knowledge of containerisation technologies such as Docker and Kubernetes.
- Experience with infrastructure-as-code approaches.
- Exposure to DevOps and Site Reliability Engineering practices.
- Experience mentoring and supporting other engineers.
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work, having been certified 5 years running.
Joining SII UK means being part of our collective goals, guided by our mission "Let's Tech Together," and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
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Senior Java Engineer employer: SII Group
SII Group is an exceptional employer for a Test and Means Engineer, offering a dynamic work environment that prioritises innovation and collaboration. With a strong commitment to employee growth, competitive benefits including private medical insurance and flexible working arrangements, and a culture built on trust and transparency, SII Group empowers its engineers to thrive in high-reliability sectors like Aerospace and Defence. Join us in a role where your contributions are valued, and be part of a team dedicated to continuous improvement and excellence.
