Senior Full-Stack Engineer: APIs, Microservices, Mentorship

Crane Authentication (NXT); Gateshead; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Health Insurance

Life Insurance

Job summary

Crane Authentication is seeking a collaborative Senior Full Stack Software Engineer to join our team. You will contribute across the entire development lifecycle, designing, building, testing, deploying, and supporting high-quality software solutions.

You should be comfortable working with backend technologies (.NET or Java/Spring) and modern frontend frameworks. As a senior engineer, you will mentor others, drive technical discussions, and help the team deliver scalable, maintainable systems,

Qualifications

• 5+ years developing commercial software.
• Experience with Git and team collaboration tools (Slack, Teams, Jira)
• Ability to work across backend and frontend technologies

Responsibilities

• Collaborate with Product Owners and engineers to understand product goals and shape technical solutions.
• Design and build backend services and APIs using .NET or Java/Spring Boot.
• Mentor and support engineers; participate in Agile ceremonies.
• Contribute to deployments using CI/CD pipelines.

Skills

API development

Backend service design

Mentoring

Agile / Scrum

Tools

Git

Jira

Slack

Teams

Job description

Crane Authentication is seeking a collaborative Senior Full Stack Software Engineer to join our team. You will contribute across the entire development lifecycle, designing, building, testing, deploying, and supporting high-quality software solutions.

You should be comfortable working with backend technologies (.NET or Java/Spring) and modern frontend frameworks. As a senior engineer, you will mentor others, drive technical discussions, and help the team deliver scalable, maintainable systems,