Sr Software Developer to assist them with creating, configuring and implementing APIs to allow [...]

S.i. Systems; London; On-site; GBP 125,000 - 150,000; Full time

Job summary

A public sector client in London is seeking a Senior Programmer Analyst to develop and implement APIs for their large-scale project. The ideal candidate will have over 10 years of experience in software development, with at least 2 years in a DevOps role. Key responsibilities include designing microservice architectures and deploying software builds. The position requires a valid reliability clearance and strong knowledge of Agile methodologies.

Qualifications

• 10+ years of experience as an Application/Software Developer.
• 2+ years experience with DevOps.
• Valid Reliability Clearance required.

Responsibilities

• Develop, configure and implement APIs for secure data exchange.
• Design and develop Microservice architecture for Web Services.
• Deploy new builds using continuous integration and deployment tools.
• Participate in Sprint Planning and Agile activities.

Skills

Creating, configuring and implementing APIs

DevOps (creating and configuring pipelines)

Microservice architecture

Agile methodologies

Jenkins

GitHUB

Azure DevOps

MS API management (APIM)

Job description

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Sr Software Developer to assist them with creating, configuring and implementing APIs to allow secure exchange of data for various systems for their large-scale GoC project, London

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Client:

S.i. Systems

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

18edc5879300

Job Views:

12

Posted:

12.08.2025

Expiry Date:

26.09.2025

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Job Description:

Our valued public sector client is currently seeking a Senior Programmer Analyst to develop, configure and implement APIs to allow secure exchange of data for various systems for their large-scale GoC project.

Must Have:

• Extensive experience creating, configuring and implementing APIs
• Minimum 10 years experience within the past 15 years working as an Application/Software Developer
• Minimum 2+ years experience withDevOps - creating and configuring pipelines (stages, policies, CI/CD)
• Experience with the following:
• MS API management (APIM)
• Valid Reliability Clearance

Tasks Include, but Are Not Limited to:

• Design and development of Microservice architecture for Web Services
• API enhancements, support and defect resolution will be required on an ongoing basis.
• Deploying new builds of the software - continuous build, integration & deployment tools (Jenkins, GitHUB, Nexus/Maven, Jira)
• Participate in Sprint Planning, Feature planning, story point estimation based on User Stories
• Knowledge of Agile and the full software development lifecycle, including deployment and operation.
• Provide technical expertise in identifying, evaluating, and developing effective procedures and system requirements that meet business requirements.
• Participate in the gathering and documenting of requirements from non-technical business users.
• Develop and document solution design
• Design and implement complex data models
• Develop human based workflow processes
• Work in JIRA and Azure DevOps for project and operations to manage implementations into production