Senior Software Developer

i2 Group, a Harris Computer company, are seeking an experienced Senior Software Developer on a full-time, permanent, remote or hybrid-working basis with frequent travel to customer sites around the Gloucestershire area. You’ll join i2’s Professional Services team, working directly with UK clients or alongside our international partners to deploy, configure and optimise i2 intelligence analysis platforms across the full product lifecycle – from architectural design and implementation planning to training handover and long-term optimisation. You’ll bring deep domain and technical expertise to every stage of deployment, acting as a trusted extension of the client team to deliver impactful solutions, drive adoption and enable analysts to extract meaningful intelligence from complex datasets.

Key Responsibilities

• Solution Architecture & Implementation – Collaborate with clients to design and implement bespoke roadmap strategies, including planning, deployment, upgrades, data migrations, and performance tuning.
• Platform Customisation & Integration – Configure and extend our core products (Analyst’s Notebook, iBase, Analysis Hub/Studio, TextChart) to align with customer workflows, data requirements and integrate with existing systems.
• Client Engagement & Requirements Management – Understand, gather and document business requirements and translate them into functional configurations and technical designs. Communicate progress, risks, and outcomes clearly to client stakeholders.
• Performance Review & System Optimisation – Conduct health checks, refine performance, recommend improvements, and guide clients on enhancing analyst workflows and system maturity.
• Knowledge Transfer & Training Support – Deliver knowledge transfer sessions, best practice training and demonstrations. Support the internal training team or directly upskill client analysts.

Essential Requirements

• Coding Skills – Professional experience working with JavaScript/TypeScript/REACT; hands-on coding ability is essential.
• Database Skills – Experience working with databases (SQL Server or PostgreSQL), including writing T-SQL.
• Customer-Facing Experience – Comfortable and willing to work directly with clients in a professional setting, with direct client-facing work experience.
• Communication Skills – Confident explaining complex technical concepts to non-technical audiences.
• Consulting Experience – 3–5 years, at least 2 years client-facing, in technology or professional services, with exposure to intelligence, security, or government sectors preferred.
• Security Clearance – Ability to handle sensitive data and have the right to work in the UK without sponsorship (to obtain the required security clearances).

Please note: The above essential requirements are core requirements of this role – please do not apply if you’re unable to evidence both the technical and wider professional experience outlined.

Desirable Requirements

• Application Deployment/Configuration – Have deployed or configured applications on Windows or Linux Systems, using automation and in a professional context. Awareness of CICD pipelines and automated deployment testing would be a significant benefit.
• Development Experience – Any experience in Java or C# would be considered valuable.
• Virtualisation/Containers – Experience with virtualisation or container platforms (e.g., VMware, Hyper-V, Docker, Kubernetes).
• Pre-existing i2 experience – Hands-on knowledge of i2’s Analyst’s Notebook, iBase, Analysis Studio/Hub and TextChart would be a significant advantage, along with experience with data connectors and visualisation.

Please note: The above desired attributes are additional requirements that would be beneficial for this role – you do not need to meet all of these in order to apply.

Qualifications

• Bachelor’s degree in a related field.
• Certifications in business analysis or intelligence analysis domains would be beneficial but are not essential.

Personal Attributes

• Client-oriented and responsive, with strong interpersonal skills.
• Adaptable and collaborative, able to work cross-functionally.
• Proactive learner with a growth mindset.
• Strong organisational capability with keen attention to detail.

Benefits

Harris offers an extremely competitive UK employee benefits programme. Five personal days leave entitlement are granted over and above the standard 25 days holiday and bank holidays. Harris also offers all UK employees an annual Lifestyle Reward amounting £325 per annum/pro rata.