Senior Software Engineer (Full Stack)

DeLaRue NewCo Ltd GBR DRBGB; Gateshead; On-site; GBP 65,000 - 85,000; Full time

Benefits offered by this job

Health Insurance

Life Insurance

Job summary

Crane NXT is seeking an experienced Software Engineer to design and build backend services and APIs using .NET and Java/Spring Boot. You will help shape architectural decisions, mentor engineers, and contribute to agile ceremonies in a cross-functional Scrum team.

Join a market-leading product company and work on scalable, observable systems, with CI/CD deployments and collaboration across product owners, tech leads, and other engineers.

Qualifications

• 5+ years developing commercial software.
• Experience with Git and team collaboration tools (Slack, Teams, Jira).

Responsibilities

• Design and build backend services and APIs using .NET (C#) and Java/Spring Boot.
• Collaborate on microservices and distributed systems.
• Write automated tests to ensure reliability and maintainability.
• Review and improve systems to address bugs and performance.
• Maintain code quality through pairing, reviews, testing, and standards.
• Contribute to deployments using CI/CD pipelines (Octopus).
• Work with messaging systems, databases, caches, and monitoring tools.
• Help ensure services are observable, resilient, and scalable.

Skills

Java / Spring

C# / .NET Core

APIs / Backend services

SQL Server / PostgreSQL

Microservices

CI/CD

Code reviews

Mentoring

Education

5+ years developing commercial software

Tools

Git

Slack/Teams/Jira

Job description

• Work closely with Product Owners, Tech Leads and other engineers to understand product goals, explore ideas, and shape technical solutions.
• Contribute thoughtfully to architectural discussions, code reviews, and design sessions.
• Mentor and support engineers at all levels, helping the team develop skills, confidence, and engineering discipline.
• Participate fully in Agile ceremonies (refinement, planning, retrospectives) as part of a cross-functional Scrum team.

Software Engineering

• Design and build backend services and APIs using both .NET (C#) and Java/Spring Boot.
• Collaborate on the design and development of microservices and distributed systems.
• Write automated tests to ensure reliability and maintainability.
• Review and improve existing systems to address bugs, performance issues, and new product requirements.
• Maintain strong code quality through pairing, reviews, automated testing, and shared engineering standards.
• Contribute to deployments using CI/CD pipelines and Octopus.
• Work with infrastructure components such as messaging systems, databases, caches, and monitoring tools.
• Help ensure services are observable, resilient, and ready for scale.

Technical Ownership

• Investigate and resolve technical issues, supporting the team through escalations when needed.
• Advocate for continuous improvement in processes, tools, architecture, and engineering practices.
• Champion maintainable, scalable solutions with a long-term perspective.

Essential Technical Skills

• Strong experience of developing APIs and backend services which use relational databases such as SQL Server or Postgres in one of the following, with a willingness to work in both:
  • Java / Spring: Java 8+ with Spring
  • C# / .NET: C# .Net Core 5+

Education & Experience

• 5+ years developing commercial software
• Experience with Git and team collaboration tools (Slack, Teams, Jira)

Knowledge, Skills & Abilities

• Proven ability to deliver enterprise-grade software with high reliability
• Strong understanding of modern engineering practices
• Excellent communication and collaboration skills
• Strong problem-solving and architectural thinking
• Passion for mentoring, knowledge sharing, and supporting a high-performing

WHAT’S IN IT FOR YOU?

• Work for a market leading, established product company.
• Nice modern offices with great facilities.
• Health Insurance.
• Life Insurance.

Crane Authentication is part of Crane NXT

Crane NXT is a premier industrial technology company that provides proprietary and trusted technology solutions to secure, detect, and authenticate what matters most to its customers. Crane NXT has approximately 5,000 employees with global operations and manufacturing facilities in the United States, the United Kingdom, Mexico, Japan, Switzerland, Germany, Sweden, and Malta. For more information, visit www.cranenxt.com.

We value diversity at our company. Everyone who applies with the qualifications will receive consideration for employment without regard to: age, colour, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by law.

We receive a high number of applications, so apologies if we are unable to provide specific feedback. If we feel you are a fit for the role, we’ll be in contact.