Senior Software Product Engineer

We're hiring:

A hybrid role based in the Southwest, UK

About the job

Demand for Cervus’ products and services continues to grow across the Defence sector. We are looking for a motivated, curious, and technically minded Senior Software Product Engineer to help us scale our data and analytics capabilities across the UK and international markets.

The Senior Software Product Engineer is a multidisciplinary role combining product ownership, systems engineering, and senior‑level software development. The role is responsible for shaping product direction, designing and integrating complex systems, and delivering high‑quality software within secure, mission‑critical environments. The role will acts as a technical product strategist, and systems integrator, ensuring solutions meet user needs, operational constraints, and long‑term architectural goals.

Quick overview

Role: Senior Software Product Engineer

Type: Full time

Location: Hybrid, Bristol & Westbury

Salary Range: Up to £65,000 per annum, depending on experience.

CV shortlisting will begin We are actively reviewing CVs from 17 August and will be continuously assessing applications and interviewing suitable candidates throughout the recruitment process..

Who We’re Looking For

1. Product Ownership & Strategy

Collaborate with Product Managers & Technical leads, to define and communicate the product vision, roadmap, and success metrics.

Ensure our products meet our users and stakeholder needs through continuous backlog refinement and output user validation.

Prioritise features, technical work, and system improvements to maximise long term product value.

Collaborate with SMEs, instructors, operators, and leadership to validate assumptions and refine direction.

Ensure product decisions balance usability, performance, security, and maintainability.

2. Systems Engineering & Architecture

Work with customers to analyse requirements and convert them into system specifications and architectural designs.

Design end‑to‑end solutions across software, infrastructure, networking, and security domains.

Produce system diagrams, interface definitions, and technical documentation.

Integrate distributed systems, simulation platforms, data‑capture pipelines, and mission‑metrics services.

Ensure systems meet reliability, scalability, and accreditation requirements.

3. Senior Software Engineering

Develop high‑quality, maintainable, and well‑tested software components and services.

Lead implementation of major features, APIs, and backend systems.

Conduct code reviews, mentor engineers, and drive engineering best practices.

Implement secure coding practices and support threat modelling and vulnerability remediation.

Contribute to CI/CD pipelines, containerisation, and deployment automation.

4. Delivery, Collaboration & Leadership

Work closely with Product & Delivery Managers, Technical Leads Development teams, QA, Business Development and Customers.

Break down complex problems into clear, deliverable tasks.

Provide rapid clarification during development and support sprint ceremonies.

Lead root‑cause analysis and resolution of complex technical issues.

Champion continuous improvement across engineering, product, and system processes.

Key Responsibilities and Essential Skills:

Required Skills & Experience

Technical Skills

• Strong proficiency in languages such as Python, TypeScript/Node, C# or C++.

• Experience with microservices, distributed systems, and event‑driven architectures.

• Deep understanding of REST APIs, messaging systems, and database design (PostgreSQL preferred).

• Experience with Docker, Kubernetes and cloud/on‑prem hybrid deployments.

• Familiarity with secure system design, IAM , encryption, and accreditation processes.

• Strong understanding of Linux systems, networking, and monitoring tools.

Product & Systems Skills

• Ability to translate user needs into clear requirements and acceptance criteria.

• Strong analytical skills for evaluating workflows, constraints, and system interactions.

• Experience producing architecture diagrams, system specifications, and technical documentation.

• Ability to balance feature delivery with technical debt, platform stability, and long‑term architecture.

Professional Skills

• Excellent communication and stakeholder management.

• Ability to mentor engineers and influence technical direction.

• Strong problem‑solving and decision‑making abilities.

• Comfortable working in Agile and DevOps‑driven environments.

Experience

• Professional experience across software engineering, systems engineering and product roles.

• Experience delivering business‑critical or secure systems.