Senior Java Developer

Sanderson Government & Defence; United States; Remote; USD 110,000 - 160,000; Full time

Job summary

Sanderson Government & Defence is seeking a Senior Java Developer to join its Digital & Public Services capability. You will design, develop and deploy modern microservice-based solutions, mentoring peers and shaping engineering best practices across cross-functional teams.

You will work with Java, Spring Boot, cloud platforms, and container technologies to deliver secure, scalable software for public sector clients.

Qualifications

• Significant hands-on experience with Java, Spring Boot, and microservices.
• Experience in agile environments with DevOps practices and CI/CD pipelines.
• Knowledge of cloud platforms such as AWS, Azure, or GCP.
• Familiarity with containerisation technologies (Docker, Kubernetes).
• Strong communication skills with the ability to engage technical and non-technical stakeholders.

Responsibilities

• Design, build, and maintain robust, scalable, and secure software solutions.
• Develop modern applications using Java, Spring Boot, and microservices architectures.
• Contribute to architectural decisions and ensure alignment with overall system design.
• Troubleshoot and resolve complex technical issues.
• Write clean, maintainable, and well-tested code.
• Implement and improve CI/CD pipelines to improve delivery efficiency.
• Conduct code reviews and promote high standards of software quality.
• Ensure strong test coverage and adherence to secure-by-design principles.
• Work within agile delivery teams across the full software lifecycle.
• Collaborate with product managers, designers, and engineers to meet delivery goals.
• Contribute to technical discussions early in the project lifecycle.
• Communicate technical concepts clearly to both technical and non-technical stakeholders.
• Mentor and support junior engineers, helping to develop capability within the team.
• Champion best practices in software development and continuous improvement.
• Contribute to enhancing engineering standards, tooling, and processes.
• Stay up to date with emerging technologies and industry trends.
• Identify opportunities to improve systems, processes, and tooling.
• Support adoption of modern engineering practices and approaches.

Skills

Java

Spring Boot

Microservices

CI/CD

DevOps practices

Cloud platforms

Secure design principles

Communication skills

Tools

Docker

Kubernetes

Job description

Senior Java Developer - Digital & Public Services

A growing digital consultancy delivering complex, high-impact services into the public sector is looking for a Senior Java Developer to join its engineering capability.

This is an opportunity to work on meaningful projects, contributing to the development of scalable, secure software solutions while influencing engineering best practice across multidisciplinary teams.

Please note: Due to the nature of the work, candidates must either hold current SC Clearance or be eligible to obtain SC Clearance.

The Role

As a Senior Java Developer, you will play a key role in the design, development, and deployment of modern digital services. You will work on complex systems, contribute to architectural decisions, and support the wider engineering team through mentorship and technical leadership.

You’ll collaborate closely with cross-functional teams including product, design, DevOps, and QA to deliver high-quality solutions aligned to user and business needs.

Key Responsibilities

Development & Engineering

• Design, build, and maintain robust, scalable, and secure software solutions
• Develop modern applications using Java, Spring Boot, and microservices architectures
• Contribute to architectural decisions and ensure alignment with overall system design
• Troubleshoot and resolve complex technical issues

Quality & Best Practice

• Write clean, maintainable, and well-tested code
• Implement and improve CI/CD pipelines to improve delivery efficiency
• Conduct code reviews and promote high standards of software quality
• Ensure strong test coverage and adherence to secure-by-design principles

Collaboration & Delivery

• Work within agile delivery teams across the full software lifecycle
• Collaborate with product managers, designers, and engineers to meet delivery goals
• Contribute to technical discussions early in the project lifecycle
• Communicate technical concepts clearly to both technical and non-technical stakeholders

Leadership & Mentorship

• Mentor and support junior engineers, helping to develop capability within the team
• Champion best practices in software development and continuous improvement
• Contribute to enhancing engineering standards, tooling, and processes

Continuous Improvement

• Stay up to date with emerging technologies and industry trends
• Identify opportunities to improve systems, processes, and tooling
• Support adoption of modern engineering practices and approaches

About You

Essential Experience

• Strong experience across the full software development lifecycle
• Significant hands‑on experience with Java, Spring Boot, and microservices
• Experience working in agile environments with DevOps practices and CI/CD pipelines
• Knowledge of cloud platforms such as AWS, Azure, or GCP
• Familiarity with containerisation technologies (Docker, Kubernetes) or serverless architectures
• Experience with automated testing frameworks and modern development practices
• Understanding of software architecture patterns and secure design principles
• Strong communication skills with the ability to engage technical and non-technical stakeholders

Desirable

• Experience operating at a senior level within engineering teams
• Exposure to consulting or client-facing environments
• Experience delivering within government or public sector settings
• Proficiency across additional programming languages

Key Skills

• Writing high-quality, scalable, and maintainable code
• Driving code quality through testing, reviews, and standards
• Working effectively in cross-functional teams
• Communicating complex technical concepts clearly
• Mentoring and developing other engineers
• Continuous improvement mindset and adoption of new technologies

If you're looking to work on impactful digital services in complex environments-while having the opportunity to influence how modern engineering is delivered-this role offers both challenge and purpose.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.