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 – please note that 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, and 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
Comfortable handling sensitive data and have the right to work in the UK without sponsorship (in order to obtain the required security clearances for the role).
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
Development Experience
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
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
Our intelligence analysis software tools help analysts and investigators transform data in real-time, enabling customers to detect, disrupt, and defeat sophisticated threats. We serve global customers carrying out critical missions in public safety, defence, fraud, and financial crimes. Learn more at: https://i2group.com
As a Harris Computer company, we strive to create a respectful and united environment where all members of our globally diverse community are empowered and have equitable opportunities to succeed.
Harris offers an extremely competitive UK employee benefits programme. 5 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.
Our recruitment process will comprise of interviews and, at times an assessment day and/or a presentation. As an equal opportunities’ employer, we want to make sure we do all we can to make this a positive experience for you. When applying, please make us aware on your application of any adjustments or additional support we can provide you with before or on the day of an interview.
