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Software Developer-Backend (SFIA4)

London, UK💼 Full-time🗓 2026-02-19 → 2026-07-31

Core

Designing, coding, and debugging Golang-based systems to deliver digital solutions to UK Central Government departments.

Role type

Senior Backend Software Developer

Builds

Digital solutions delivered to GDS standard for UK government customers

Domain

Public sector / UK Government / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Golang, Spring Boot, Docker, Kubernetes, MySQL, PostgreSQL, TDD, JUnit, Mockito, Cypress, Git, Agile methodologies, DevOps practices

Preferred skills

AWS, Open Source BPMN workflow engines (Camunda, Activiti, Flowable), React/Angular/Vue.js, RedHat OpenShift, NCSC cloud security principles

Technologies

Golang, Spring Boot, Docker, Kubernetes, MySQL, PostgreSQL, JUnit, Mockito, Cypress, Git, Maven, Gradle, Ant, AWS, Camunda, Activiti, Flowable, RedHat OpenShift

Responsibilities

Develop digital solutions adhering to GDS standards; Design, code, and debug Golang systems; Implement TDD and unit testing; Collaborate in multi-disciplinary DevOps teams; Execute continuous improvement with frequent releases

Seniority

Senior, hands-on IC

Rewrite
## About the role Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a multi-disciplinary team. Our work culture is inclusive, modern, friendly, and democratic. We look for bright, positive-thinking individuals with a can-do attitude. Our people enjoy challenging themselves to be the best at what they do – if that sounds like you, you'll fit right in! ## Requirements ### Essential skills: - Ways of working - Developing digital solutions delivered to the GDS standard - Demonstrable experience working on Agile environments - Demonstrable experience working on product development environments based on observation, experimentation and user research - Demonstrable experience working in multi-disciplinary/DevOps teams which include product owner/manager, UX designers, UX researchers, Developers, Platform engineers, etc - Demonstrable experience working on continuous improvement environments doing multiple releases every week - Coding and testing: - Demonstrable experience designing, coding and debugging Golang based systems - Good skills in web front end technologies such as HTML, CSS, Bootstrap - Golang - Spring Boot - Docker - Kubernetes - Atlassian Build tools: Maven, Gradle, Ant - Familiar with source control systems, such as GIT, including branching, merging, etc. - Testing: - TDD, unit testing - JUnit, Mockito, Cypress - Good knowledge of relational databases such as MySQL and PostgreSQL including data modelling, SQL scripts, store procedures - Shift to the left: Functional test automation (API testing, UI testing [cucumber, nightwatch]) ### Nice to have skills: - AWS - Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) - Experience on a front-end javascript framework such as react, angular or vue.js - RedHat OpenShift for container orchestration - Knowledge of NCSC’s 14 cloud security principles. ## SC Clearance: Zaizi works with UK Central Government departments on a range of projects. To be able to work on our customer projects, employees must be Security Cleared to a standard acceptable to our Government customers. Due to this restriction we can currently only recruit candidates who have the right to work in the UK without sponsorship and who have lived in the UK for the last 5+ years continuously. You don’t meet all the requirements? Studies show that women and black, Asian and minority ethnic people are less likely to apply for a job unless they meet every qualification. So if you’re excited about this role but your experience doesn’t align perfectly with the job description, we’d love you to still apply. You might just be the perfect person for this role, or another role here at Zaizi. We actively welcome applications from people of colour, the LGBTQ+ community, individuals with disabilities, neurodivergent individuals, parents, carers, and those from lower socio-economic backgrounds.
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