Drezen Technology

Enterprise & Consulting

Enterprise Software Development Services

Mission-critical systems built to enterprise governance and audit standards.

About Enterprise Software Development

Enterprise software carries requirements that consumer software never sees, and they shape the architecture from the first week rather than getting added later. Who did what, when, and can we prove it two years from now to a regulator. How does a user who joined this morning get exactly the right access automatically. What happens to in-flight transactions during a failover. How do we deploy without a change advisory board becoming a three-week queue. These are not features — they are properties of the system.

We build accordingly. Identity integrates with your existing provider through SAML or OIDC with SCIM provisioning, so joiners, movers and leavers are handled by the process you already run. Authorisation is modelled explicitly against real organisational structure, including delegation and temporary elevation, and enforced at the data layer rather than trusted to the UI. Audit trails are immutable and queryable, capturing not only what changed but who authorised it and on what basis. Everything is designed against a stated recovery time and recovery point objective, and those objectives are tested rather than documented.

Integration is usually the largest part of the work. Enterprise systems do not live alone — they sit among ERPs, identity providers, data warehouses, document management, payment rails and a long tail of departmental tools. We build behind anti-corruption layers so upstream changes stay contained, use event streaming where systems must stay loosely coupled, and maintain the integration contract as a versioned artefact with its own tests.

Delivery accommodates enterprise reality without being paralysed by it: parallel environments matching your promotion path, change records generated from the pipeline, evidence artefacts produced automatically for audit, and a release process that satisfies governance while still allowing weekly deployment.

Why it matters

What you get

Identity that fits your estate

SAML/OIDC SSO with SCIM provisioning, so access follows the joiner-mover-leaver process you already operate.

Authorisation enforced at the data layer

Role and attribute-based access modelled against real org structure, including delegation — enforced in the database, not in the UI.

Audit trails that satisfy auditors

Immutable, queryable records of what changed, who authorised it and on what basis, retained per your policy.

Tested recovery objectives

RTO and RPO agreed with the business, engineered for, and proven with scheduled failover exercises rather than assumed.

Governance without gridlock

Change records and audit evidence generated from the pipeline, so compliance is satisfied and weekly release is still possible.

How we deliver

Our process for this work

Adapted to this service specifically — not a generic five-box diagram.

  1. 01

    Requirements & compliance mapping

    3–5 weeks

    Functional requirements alongside regulatory, audit, retention, residency and availability obligations — captured as testable acceptance criteria.

  2. 02

    Architecture & security design

    3–4 weeks

    System architecture, identity and authorisation model, integration contracts, threat model and disaster recovery design, reviewed with your architecture board.

  3. 03

    Phased build

    4–12 months

    Delivery in business-capability increments, each deployed to a full environment path and validated with real user acceptance testing.

  4. 04

    Validation & cutover

    4–8 weeks

    UAT, performance and failover testing, penetration testing, data migration with reconciliation, training, and a rehearsed phased cutover.

  5. 05

    Hypercare & run

    Ongoing

    Elevated support post-launch, SLA-backed operations, and a continuing enhancement roadmap or structured transfer to internal teams.

Proof

All case studies
Fintech & Financial Services11 months

Migrating a regional bank to AWS without a maintenance window

43 workloads moved from two ageing data centres to AWS in eleven months, with a governed landing zone and a 34% run-rate reduction.

Unplanned outages during migration
0Unplanned outages during migration
Infrastructure run-rate reduction
34%Infrastructure run-rate reduction
Environment provisioning time
11 days → 40 minEnvironment provisioning time
Read the case study
Fintech & Financial Services9 months

Rebuilding a lending origination platform around an event-sourced ledger

An event-sourced origination platform replacing a spreadsheet-and-email process, with decisioning, audit trail and reconciliation built in.

Median time to credit decision
4.2 days → 6 hrsMedian time to credit decision
Applications processed per underwriter
3.1xApplications processed per underwriter
Decisions reconstructable for audit
100%Decisions reconstructable for audit
Read the case study

Answers

Enterprise Software Development — common questions

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Thinking about enterprise software development?

Tell us the problem rather than the solution. A 30-minute call is usually enough for both of us to know whether this is the right service and whether we are the right team.

sales@drezentechnology.comUsually replies within one business day