Senior Backend Engineer

Skillsearch; Gloucester; On-site; GBP 55,000 - 75,000; Full time

Job summary

A leading company in the Defence sector is seeking Software Engineers at multiple experience levels in Gloucester. The role encompasses planning, development, and debugging of software systems, requiring security clearance. Candidates should have skills in Java or Python, along with experience in Agile methodologies and version control systems.

Benefits

Security clearance sponsorship

Flexible working hours

Training and development opportunities

Qualifications

• Experience with Java or Python.
• Understanding of unit testing frameworks.
• Experience with Git version control.

Responsibilities

• Planning and coordinating software development activities.
• Designing tests to debug software.
• Documentation of program development and operating instructions.

Skills

Java

Python

Agile Development

Git

Unit Testing

Microservices

Docker

CI/CD

Job description

Gloucester, South West Advanced Resource Managers

Posted today

Job Description

Software Engineer - multiple levels of seniority

Permanent role

Based in Gloucester

Open on salary depending on experience

Are you an experienced Software Engineer?

Do you want to work with an industry-leading company?

If your answer to these is yes, then this could be the role for you!

As the Software Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry.

Due to the nature of the work you will be involved in, you will be required to obtain UK security clearance in this role.

You will be involved in some of the following:

• Planning, conducting, and coordinating software development activities
• Design and development of tests to debug software
• Correction of program errors
• Preparation of operating instructions
• Documentation of program development
• Analysis of system capabilities

Your skillset may include some of the below:

• Experience with Java or Python
• Understanding of mocking up and unit testing frameworks
• Experienced with Git version control
• Knowledge of Agile Development using SCRUM
• Experience in mentoring junior team members
• Experience in Oracle/ Relational Databases and/or Mongo
• Experience in GitLab CI/CD Pipelines
• Experience of Elasticsearch and Kibana
• Knowledge of Hibernate
• Proficiency in the use of Atlassian Suite
• Experience of JSF

If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further!

Software Engineer

Gloucestershire, South West Hamiltonian Dynamics

Posted today

Job Description

Software Engineer

Up to £75k + bonus + EMI Scheme

Full time, permanent

About Us

Hamiltonian Dynamics is a start-up based in Gloucestershire and Manchester working in the Defence and Cyber Security industries. We are seeking a Software Engineer to join our growing technology team in our next phase of expansion.

We are seeking someone who has experience in one or more of the following technologies but who is also open minded about learning new languages and technologies.

• Angular, React, Vue

What We Offer

A competitive salary with an exciting array of projects to work on. Company Benefits that we offer from your first day are:

• 25 days leave (on top of your bank holiday entitlement)
• The option to buy or sell 5 days leave per year
• 10 training days per year
• 2 volunteering days per year
• We contribute 8% of your base salary to your pension
• BUPA Health Cover
• Life Cover of 4 times your salary
• EV Car via Salary Sacrifice
• EMI Scheme
• Flexi-time and remote working opportunities

We ensure that everyone has an individual training and continual career development plan as we recognise everyone learns in their own way.

Our Process

We like to keep things nice and simple! Therefore, we only have a two stage interview process. The first is a chat with our recruiter, Sarah, and the next is a 1 hour Teams call with two of the team. It's as easy as that! We believe organic conversation is the best way to find out about someone. After all, recruitment is a two-way process!

Security Clearance

For this particular role, we require you to already hold a high level clearance. There is also a requirement to be on-site 4-5 days per week, which means you must be commutable to either Gloucestershire or Manchester.

Software Engineer

Cheltenham, South West Argo DevOps Solutions Ltd

Posted today

Job Description

About the Company

Argo DevOps Solutions is a small but established UK-based technology company working in the Cyber and Cloud space. We are experts in delivering value into both the public and private sector, supporting delivery of quality products at speed. We solve complicated software and hardware problems using Agile approaches. Our specialisms include moving data between trust boundaries, designing secure data ingress and egress systems. Argo has substantial experience in mentoring our customers through their Agile journey. If this sounds like the kind of company you want to be involved in, with your contribution really making a difference, come and join our team!

What We Provide

• 33 days holiday which includes Bank Holidays
• Part-Time or Full-Time considered
• TOIL
• Pension
• Salary Sacrifice Schemes including Electric Vehicles
• Salary dependent on experience
• Other financial incentives

Job Description

Responsible for designing, developing, and maintaining large-scale, secure, and high-performing solutions. This role involves mentoring and coaching junior team members, translating stakeholder requirements into actionable user stories, and embedding security throughout the software development life cycle. The position calls for strong technical expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives.

Experience Requirements

Software Development & Principles

• SOLID Principles: Familiarity with object-oriented and clean coding practices

Testing & BDD

• Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools
• Domain-Specific Languages: Knowledge of BDD approaches (e.g., Cucumber, Gherkin) for test automation

Containerisation & Microservices

• Container Technologies: Practical understanding of Docker or equivalent solutions
• Microservice Patterns: Experience architecting microservice-based systems with built-in observability and security

Cloud Services & Environments

• Cloud Providers: Demonstrable experience with AWS or Azure
• Security & Configuration: Ability to build, configure, and secure cloud environments effectively

Security & CI/CD

• Security Integration: Familiarity with embedding security checks at every phase of the SDLC (e.g., SAST, DAST)
• Automation Pipelines: Experience with Continuous Integration (CI), Continuous Delivery (CD), and continuous testing tools (e.g., Jenkins, GitHub Actions)
• Agile Delivery: Background in Scrum or Kanban, assisting Product Owners and shaping team objectives
• Mentoring: Proven track record of helping less experienced developers advance their skills and confidence

Roles and Responsibilities

Collaboration & Full Lifecycle

• Work collaboratively with Argo and its partners, taking ownership of the full software lifecycle—from requirements gathering to deployment and maintenance
• Ensure high-quality delivery of product components and systems that meet agreed time, scope, and budget parameters

Technical Discussions & Customer Engagement

• Participate in and contribute to technical discussions with team members, delivery management, and technical leads
• Support stakeholder engagement by eliciting requirements, refining user stories, and ensuring alignment with project goals
• Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges
• Explore and recommend innovative solutions that inform future product and architectural strategy

Agility & Team Culture

• Embrace and advocate for Agile or similar modern development approaches
• Foster a high-performing team culture by promoting collaboration, iterative feedback, and continuous learning

Security & Risk Management

• Engage with customers, including security and policy teams, to identify and manage risks throughout the development lifecycle
• Align development activities with security best practices and relevant compliance standards
• Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers
• Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency

Tools & Processes

• Establish and evolve development tools, processes, and ways of working to continuously improve quality, efficiency, and effectiveness (e.g., automation, CI/CD)
• Collaborate with other technologists to optimize product integration across workflows and system dependencies

Mentoring & Coaching

• Provide technical guidance, code reviews, and best-practice standards to less experienced engineers
• Coach team members in areas such as test automation, DevSecOps techniques, and effective problem-solving

Contribute to the culture and growth of Argo by bringing an innovative, solutions-focused mindset to every challenge. Demonstrate flexibility in applying skills outside normal responsibilities, adapting to guidance from SLT and evolving business needs.

Software Engineer

Hereford, West Midlands DCS Technology

Posted 7 days ago

Job Description

Overview:

DCS Technology are searching for an experienced and passionate Software Engineer to join our FinTech client on a fix term contract basis to be part of a talented team building enterprise level applications and platforms for clients in a variety of sectors.

What will you be doing?

• Design and develop robust software solutions using a versatile tech stack, including .NET, C#, and Microsoft Azure.
• Collaborate with other departments , providing support, guidance, and expert consultancy to drive technical solutions.
• Manage multiple projects simultaneously, ensuring efficient handling and timely completion of all tasks.
• Work closely with team leads and engineers to align on project deliverables and meet key milestones effectively.

Qualifications/Experience required:

• Proven experience in development using .NET and C#
• In-depth experience using Microsoft Azure DevOps functions (CI/CD pipelines, containerisation and repositories)
• Confident working in a collaborative team environment
• Full-stack development is beneficial and advantageous
• Confidently communicate to technical and non-technical stakeholders

What’s on offer?

Salary: up to £50,000 per annum plus benefits

Working model: Hybrid (a mixture of office and home based)

Location: Herefordshire

Employment Type: Fix term contract

Software Engineer

Posted 20 days ago

Job Description

permanent

Software Engineering Opportunities | Defence / National Security Industry | Salaries up to £100,000 | Security Clearance Required | Cheltenham

MERITUS are working with a number of Defence / National Security clients in the Cheltenham area looking to grow their software engineering functions. We're looking to speak with experienced software engineers holding active security clearance (SC, DV, eDV).

J.

WHJS1_UKTJ

Software Engineer

Worcester, West Midlands Oscar Associates (UK) Limited

Posted 20 days ago

Job Description

permanent

The Role

An exciting eCommerce company are looking to grow their software development team to continue working on their impressive features.

You will be working on a range of systems to help guide the technical direction of the company. There will be collaboration across multiple technical teams, as well as liaising.

WHJS1_UKTJ

Software Engineer

Gloucester, South West Oscar Associates (UK) Limited

Posted today

Job Description

permanent

Software Engineer - SC or DV Cleared | Defence Sector
Hybrid - 4 Days/Week Onsite in Gloucestershire
Permanent | £55,000 - £75,000 DOE |

I'm working with a highly regarded technology consultancy delivering advanced software solutions into the UK defence and national security sectors . As they continue to grow their footprint in this space, they're looking to add an experienced Software Engineer to t.

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Job title

Location

Java Software Engineer

Posted today

Job Description

About the Opportunity

A leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national security, cyber defence, and intelligence sectors. You’ll play a key role in developing advanced DevSecOps solutions that protect critical digital infrastructure, while benefiting from a strong culture of flexibility, innovation, and continuous learning.

Key Responsibilities

• Plan, conduct and coordinate software development activities through the full lifecycle
• Design, code, test, and debug high-quality software systems
• Collaborate with stakeholders to interpret and deliver customer requirements
• Analyse system capabilities to resolve queries related to program intent, output requirements, input data acquisition, and control techniques
• Develop operating instructions and maintain thorough documentation of programme development
• Support the implementation and maturation of CI/CD pipelines, particularly for cloud-based deployments
• Work within Agile Scrum teams and contribute to continuous improvement initiatives
• Mentor and support junior engineers where appropriate

Essential Skills and Experience

• Proficient in Java (latest versions) and Python
• Knowledge of unit testing and mocking frameworks, particularly JUnit 5.x (Jupiter)
• Familiar with Git version control and GitLab CI/CD pipelines
• Hands-on experience with Agile (Scrum) methodologies
• Database experience with Oracle and/or MongoDB
• Experience using the Atlassian suite : Bitbucket, Jira, and Confluence
• Knowledge of Apache NiFi
• Working knowledge of Elasticsearch and Kibana
• Experience developing for cloud environments, particularly AWS (EC2, EKS, Fargate, IAM, S3, Lambda)
• Understanding of Hibernate ORM
• Experience building microservice or serverless architectures
• Knowledge of migrating on-premise applications to cloud environments

Location and Work Style

• Gloucester
• 4-day flex working pattern to support excellent work-life balance.

Security Clearance

Please note that applicants must be eligible for eDV clearance to be considered.

If you're passionate about software innovation, cloud-native architectures, and making a real impact in national security, this is an outstanding opportunity to grow your career.

Principle Software Engineer

Posted 7 days ago

Job Description

I'm working with a long-standing client who’s looking to backfill a Principal Systems Engineer / Architect position after their 20-year veteran system architect just handed in his notice . Big shoes to fill - but a genuinely exciting opportunity for someone senior to step into a critical technical role within a supportive, collaborative team.

They've got a bespoke, self-built platform that's integral to their operations - and this role plays a key part in maintaining and evolving that system alongside both the CMS and networking teams.

C# Software Engineer

Gloucestershire, West Midlands iO Associates - UK/EU

Posted 7 days ago

Job Description

C# Software Engineer - eDV Cleared

Hybrid - Gloucestershire

Contract or Permanent

Active Enhanced DV Clearance Required

We are working on a new opportunity for a C# Software Engineer to join a hybrid team working on secure client projects in the national security space. In this role you will be responsible for full lifecycle development across greenfield and existing projects.

• C# (.NET) - backend and some frontend
• SQL - data handling and queries
• RESTful APIs - design and integration
• SDLC understanding - Agile or similar
• Unit, system, and integration testing
• Migrating legacy codebases
• Developing shared libraries/modules

This is a great opportunity to join a growing consultancy. Apply now or message me directly for a confidential chat.