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FULL-STACK ENGINEER · PRODUCT DESIGNER · AUTOMATION & INFRASTRUCTURE

Callum “Nic”
Delaney

I design, build and operate production software, business automation and the infrastructure behind it.

01 / PROFILE

Building useful things from first sketch to production.

Software developer, product designer and technology founder with hands on experience designing, building, deploying and operating production software, business automation, financial systems, APIs, authentication platforms and infrastructure.

Founder and Head Full-Stack Developer of Ident Group Ltd, leading development of Ident.ink and its supporting systems alongside commercial software and hardware work at ProperGeeks Ltd. Work spans engineering, design, Linux infrastructure, databases, security, finance automation and compliance oriented tooling.

02 / EXPERIENCE

Founder & Head Full-Stack Developer

Ident Group Ltd / Ident.ink

  • Lead product architecture, full-stack development, interface design and production infrastructure for Ident.ink.
  • Built authentication flows using passwords, passkeys, magic links and email verification, alongside workspace permissions and administration tooling.
  • Developed REST APIs, background services, database systems, domain and publishing infrastructure, and internal business tooling.
  • Operate production Linux services using Debian, Nginx, PM2, TLS and DNS.
  • Implemented security controls including rate limits, MFA, audit logging, session protections and SSRF safeguards.
  • Designed dashboards and workflow heavy interfaces for technical and non technical users.
  • Work directly with external organisations on software, infrastructure and technical partnership projects.

Software Developer & Hardware Technician

ProperGeeks Ltd · Wirral · Part-time

  • Developed an internal web database and management system to replace parts of a paper based business workflow.
  • Designed the user interface, database backed application and administration tools.
  • Adapted software for a Windows Server environment, including logging and backup processes.
  • Work with isolated networking and server environments during development and testing.
  • Diagnose computer hardware and collaborate with management on technical requirements and deployment decisions.

03 / SELECTED SYSTEMS

Ident.ink

A unified business and developer platform combining workspace management, application development, identity, hosting, communication and data infrastructure. Work spans product design, frontend, backend, authentication, databases, infrastructure, security and deployment.

Ident Finance

Internal finance and compliance automation for transaction processing, company dashboards, retained financial records and reporting workflows.

IdentDB

Document oriented database platform with an HTTP API and Node.js client library for application data storage and retrieval.

IdentChat

Communication platform with a Rust backend, SolidJS and TypeScript client, and SQLite based architecture.

IdentSecure

Security and identity project focused on account and device authentication infrastructure.

04 / FINANCE & COMPLIANCE AUTOMATION

Built internal finance and reporting infrastructure for Ident Group Ltd to reduce repetitive administration while keeping records inspectable and reviewable by a person.

  • Built Ident Finance to record transactions, analyse company activity and prepare financial reporting data.
  • Integrated company banking data into finance workflows and designed persistent server side records.
  • Created dashboards covering revenue, expenditure, liabilities and operational financial activity.
  • Automated scheduled report preparation and parts of routine finance administration.
  • Developed VAT oriented and UK government facing integration workflows for preparing and transmitting business information.
  • Designed for traceability, retained records and reproducible reporting.

05 / TECHNICAL & PRODUCT ACHIEVEMENTS

  • Built and maintained production software rather than portfolio only demonstrations.
  • Developed and verified systems across hundreds of application routes and automated tests.
  • Achieved Lighthouse desktop performance scores of 100 during platform testing.
  • Optimised selected internal operations from multi second execution to millisecond level performance.
  • Built systems used in real business environments and worked directly with business owners and commercial partners.

References available on request.