3rd Line Back End Developer
Methods Business and Digital Technology Limited
Responsibilities
- Investigate, diagnose, and resolve live system defects and production incidents in line with SLAs.
- Analyse logs, metrics, and traces to identify root causes of complex technical issues.
- Design, develop, and deploy stable, well‑tested fixes using Java and related frameworks.
- Collaborate with 2nd Line (AMS) Operations, QA, and Feature Teams as appropriate to triage and prioritise defects.
- Implement hotfixes and patches to production environments safely, following change management protocols.
- Support post‑incident reviews, contributing to preventative actions and service improvement.
- Maintain clear documentation of incident investigations, defect resolutions, and code changes.
- Monitor system health and performance using existing observability and alerting tools.
- Contribute to improving the reliability and maintainability of backend systems and services.
- Provide technical expertise and mentoring in diagnosing and resolving backend issues.
Essential Skills & Qualifications
- Proven experience as a Back‑End Developer with a strong focus on Java.
- Experience supporting live production environments and resolving incidents or defects.
- Strong debugging, problem‑solving, and root cause analysis skills.
- Solid understanding of RESTful APIs, microservices, and event‑driven systems.
- Hands‑on experience with Postgres/SQL, Active MQ, and Liquibase.
- Experience using JUnit, Mockito, and Wiremock for testing code fixes and regression testing.
- Proficiency in version control systems such as Git and working knowledge of CI/CD pipelines.
- Experience with containerisation (Docker) and orchestration (Kubernetes, ideally AKS).
- Knowledge of Azure services such as Function Apps, Azure DevOps, and monitoring tools.
- Ability to work collaboratively in fast‑paced agile or DevOps environments.
- Strong communication and documentation skills, especially for incident reporting and defect logs.
Desirable Skills & Experience
- Experience with Microsoft Azure cloud services (e.g., Azure Functions, Azure Storage, Azure App Service).
- Knowledge of ITIL incident and problem management processes.
- Knowledge of Kubernetes for container orchestration and management.
- Familiarity with containerisation technologies such as Docker or Kubernetes.
- Knowledge of CI/CD tools and practices.
- Understanding of microservices architecture and development.
- Familiarity with CQRS, Event Sourcing, and Pub/Sub architectures.
- Experience working with cloud‑native and microservice‑based architectures.
Security Clearance
This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.
Benefits
- Autonomy to develop and grow your skills and experience
- Be part of exciting project work that is making a difference in society
- Strong, inspiring and thought‑provoking leadership
- A supportive and collaborative environment
- Development access to LinkedIn Learning, a management development programme and training
- Wellness 24/7 Confidential employee assistance programme
- Social – Breakfast Tuesdays, Thirsty Thursdays, and Pizza on the last Thursday of each month as well as commitment to charitable causes
- Time off 25 days a year
- Pension Salary Exchange Scheme with 4% employer contribution and 5% employee contribution
- Discretionary Company Bonus based on company and individual performance
- Life Assurance of 4 times base salary
- Private Medical Insurance which is non‑contributory (spouse and dependants included)
- Worldwide Travel Insurance which is non‑contributory (spouse and dependants included)
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