Copello Global

About the Company

Copello is a niche talent provider within Defence, Engineering & Technology and Information Security.

Established to offer a consultative service that is focused on delivering the best talent and opportunities to our Client and Candidate community. We use the term “Community” as we believe that all three, recruiter, client and candidate are intrinsically linked and our experience shows that a solid connection will deliver the best results.

Our focus is to ensure that we add value and drive change in an over populated recruitment space, in fact its not just our focus, its our mission. We will do this by working in partnership with you and providing a quality service built on honesty and transparency.

Our approach has enabled us to build and establish relationships nationwide and Internationally with some of the biggest organisations in the world.

We are specialists and have significant experience in placing the very best talent…

- Government & Defence
- Engineering & Technology
- Information Security

+44 (0) 2393 100 594

Listed Jobs

Company Name

Copello Global

Job Title

Principal Software Engineer

Job Description

**Job Title:** Principal Software Engineer – Security Cleared **Role Summary:** Lead the design, development, and maintenance of secure, scalable software solutions for mission‑critical defence/technology programs. Drive technical excellence within Agile teams, ensure robust CI/CD pipelines, and present technical demos to stakeholders. **Expectations:** - Maintain a high level of UK Government security clearance throughout employment. - Deliver high‑quality, secure code on schedule within Agile sprints. - Mentor and guide junior engineers on best practices and architecture. - Collaborate with cross‑functional teams to align technical solutions with business objectives. **Key Responsibilities:** - Architect, build, and sustain secure, high‑performance applications. - Write, review, and optimize code; enforce coding standards. - Develop and maintain CI/CD pipelines using tools such as Jenkins or GitLab. - Containerize applications and manage deployments on Docker, OpenShift, or Kubernetes. - Integrate and query data stores (SQL, MongoDB, Elasticsearch). - Break down complex features into manageable tasks and track progress in Agile workflows. - Conduct technical demonstrations and provide updates to internal and external stakeholders. **Required Skills:** - Strong proficiency in **Java**, **Python**, or **JavaScript**. - Hands‑on experience with **AWS** or **Azure** cloud platforms. - Familiarity with CI/CD tools (Jenkins, GitLab) and container orchestration (Docker, OpenShift, Kubernetes). - Working knowledge of relational and NoSQL databases (SQL, MongoDB, Elasticsearch). - Solid understanding of software security principles and secure coding practices. - Ability to work effectively in Agile Scrum/Kanban environments. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience). - Current **High‑Level UK Government Security Clearance** (e.g., Developed Vetting). - Relevant certifications (e.g., AWS Certified Solutions Architect, Azure Administrator, Certified Kubernetes Administrator) are advantageous but not mandatory.

Cheltenham, United kingdom

On site

Senior

15-09-2025

Company Name

Copello Global

Job Title

Back End Developer

Job Description

Job Title: Back End Developer Role Summary: Develop and maintain the server‑side components of a cybersecurity platform, including user onboarding, customer portals, and APIs, using PHP and a cloud‑based infrastructure. Expectations: Deliver reliable, high‑performance code in a collaborative, cross‑functional environment, continuously learning new technologies and setting best practices for peers. Key Responsibilities: - Translate complex business requirements into scalable backend solutions. - Design, implement, and evolve APIs and microservices that power antivirus, VPN, ad‑blocking, and password‑management tools. - Write automated tests (TDD) and perform code reviews to ensure quality. - Identify performance bottlenecks and employ profiling tools to optimize application speed and resource usage. - Troubleshoot bugs and analyze logs to maintain system stability. - Collaborate with front‑end, product, and operations teams on architecture, deployment, and monitoring. - Document design decisions and contribute to internal knowledge bases. Required Skills: - Strong proficiency in PHP and object‑oriented design. - Experience with relational (MySQL) and NoSQL (Cassandra) databases. - Familiarity with Google Cloud Platform services and cloud architecture principles. - Competence in message queuing (RabbitMQ) and container orchestration (Kubernetes) is a plus. - Demonstrated use of Test‑Driven Development and continuous integration pipelines. - Ability to use code profiling and debugging tools to enhance performance. - Excellent analytical, problem‑solving, and communication skills. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - Relevant cloud or security certifications (e.g., GCP Associate Cloud Engineer, AWS Certified Developer, CISSP) welcome but not mandatory.

Fareham, United kingdom

On site

05-11-2025