Back-office payment processing · engineering partner
Back-office payment processing software,
one source of truth for ops, treasury and risk.
TrustChange builds back office payment processing software for EU PSPs, EMIs, neobanks and licensed VASPs. We engineer the operator console, the payment record, reconciliation and posting, dispute and chargeback workflows, treasury and payout scheduling, merchant onboarding and the audit log as bespoke code under your brand — not a SaaS licence with a per-seat fee. Ops, treasury and risk work from one canonical payment record.
- EU-based engineers
- PSD2-aware fields
- PCI DSS scope kept small
- Tamper-evident audit log
- GDPR-aware storage
What "back office" means here
Back office payment processing software without the SaaS strings
Most searches for back office payment processing software surface either a bolted-on admin login on the front-of-house gateway, or a multi-tenant SaaS with a fixed case model and a per-seat fee. We work the other way. TrustChange is a bespoke back-office platform partner: your operator roles, your workflows, your treasury view, your evidence, your code. What you buy is engineering — one canonical payment record for ops, treasury and risk.
Deciding whether to build, wrap or replace an incumbent? Start with CTO advisory. The wider gateway view sits on payment gateway engineering. Related angles: automated payment processing software and payment processing exception management software.
Operator roles
Three operator roles in every back-office payment processing engagement
A back office is not one screen. It is the surfaces your ops, treasury and risk teams work from — every day, at cut-off, at month-end. We build the three together, on one plan, on one canonical payment record.
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01
Ops & merchant support
Case work across payments, refunds, chargebacks and disputes — with aged queues, keyboard-first flows, bulk actions and the payment record in reach on every screen.
- Aged queues by SLA
- Case notes & evidence
- Bulk actions with audit
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02
Treasury & finance
Balance and float views, payout scheduling, GL exports and close-pack automation across acquirers, PSPs and bank accounts — one source of truth for finance.
- Float & exposure
- Payout scheduler
- GL exports & close pack
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03
Risk & compliance
The MLRO-facing surface: sanctions and screening decisions, transaction-monitoring alerts, four-eyes gates on manual releases and reviewer-shaped exports.
- Screening decisions
- Four-eyes gates
- Reviewer exports
Stack
What sits behind bespoke back-office payment processing software
Eight layers, one system. Every layer names an owner, a control and a piece of audit evidence — nothing is left implied under the "back office" label.
Delivery patterns and evidence: how we deliver. Platform view: fintech infrastructure. AML case work: AML case management software development. Payout screening: AML compliance for payment platforms.
| Layer | What we build |
|---|---|
| Operator console | Web console with role-based access, saved views, keyboard-first case work and bulk actions Every override is who / what / why / when, retained per your policy. |
| Payment record | One typed transaction record joining ingress, risk, routing, ledger, reconciliation and dispute state One click from any queue to the full lifecycle, without a cross-team ticket. |
| Reconciliation & posting | Double-entry ledger with idempotent postings, daily reconciliation against acquirer files and a break workflow Finance, ops and the auditor read the same source of truth. |
| Dispute & chargeback | Chargeback lifecycle across networks, evidence bundle assembly and representment tracking SLAs, escalation and evidence retention per case class. |
| Treasury & payouts | Payout scheduling, float and exposure dashboards, batching and cut-off management Cut-offs are configuration, not code — reviewable in the admin console. |
| Merchant onboarding | KYB, UBO, business-registry and risk-tier assignment with a review workflow New merchants inherit rate cards, limits and screening policy from tier. |
| Controls & access | SSO, role-based access, four-eyes on manual adjustments, tamper-evident audit log GDPR-aware storage, EU-hosted by default, retention rules per case class. |
| Runtime & delivery | EU-hosted, CI/CD pipelines, observability, 24/7 on-call cover Your identity provider, your key custody, your data regions. |
Day in the back office
From queue open to end-of-day close
Every operator day in the back-office payment processing software goes through the same shape. Predictable cadence is what makes an ops team boring for procurement — which is the goal.
- 01
Open
Start of day
Ops opens the aged queue; sorted by SLA and priority, with overnight breaks and exceptions at the top.
- 02
Reconcile
T+0 to T+1
Reconciliation results from the overnight run are visible; breaks link to the payment record and the responsible adapter.
- 03
Casework
Continuous
Refunds, chargebacks, disputes and support cases are worked with evidence attached; four-eyes gates apply above thresholds.
- 04
Treasury
Cut-off times
Payouts are scheduled and released to acquirers, PSPs and bank accounts; float and exposure dashboards refresh continuously.
- 05
Close
End of day
Close pack, exceptions report and GL exports publish; anything material lands in the monthly business review pack.
- 06
Review
Weekly / monthly
MLRO and finance review dashboards; policy changes land in the admin console with a version stamp.
Delivery
How we deliver back-office payment processing software
Five steps, in this order. Back-office work runs inside the product backlog — no separate compliance phase bolted on before launch, no big-bang release of an untested console.
- 01
Scoping
Weeks 1–2
We map operator roles, current tools, close cadence, licence context and reporting shapes. Output: a scope, a control map and a costed plan.
- 02
Architecture
Weeks 3–4
Payment-record schema, console model, workflow contracts and export schemas written down first. Auditor requirements shape the design.
- 03
Build
Two-week sprints
Console, reconciliation, dispute workflow, treasury and reporting ship in slices. Each merge runs tests, static checks and a dependency scan.
- 04
Hardening
Before cut-over
Replay against historical months, load work, failure drills and a third-party review window. Cut-over is rehearsed with your ops team, not assumed.
- 05
Launch and run
Cut-over + ongoing
Named engineers on 24/7 cover. Runbooks, dashboards and the audit bundle are handed to your team on day one, with a documented on-call rota.
Engagement
Four ways to buy your back-office build
Same engineers, same standard. Only the commercial shape changes.
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Fixed-scope build
A defined back-office platform at a fixed price and date. Best when operator roles and reporting are settled.
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Dedicated team
A standing squad with a lead. Best for long roadmaps and new workflows each quarter.
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Staff augmentation
Senior engineers inside your team. Best when you already own the plan and need back-office depth.
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CTO advisory
Architecture and buy-vs-build review before you commit. Best at the design stage.
Questions
FAQ: back office payment processing software
Six answers up front on scope, off-the-shelf trade-offs, operator roles, gateway/ledger fit, PSD2/PCI/AML/GDPR and support. Bring the rest to the call.
What does back office payment processing software from TrustChange actually cover?
We engineer a bespoke, client-owned back-office platform for a live payments stack: the operator console, the payment record, reconciliation and posting, dispute and chargeback workflow, treasury and payout scheduling, merchant onboarding, and the controls and audit log that sit under all of it. It ships as source code in your repositories, with the IP assigned to you. There is no per-seat fee, no shared multi-tenant backend and no vendor gate between you and your ops team's evidence.
How is your build different from an off-the-shelf back office payment processing software product?
Off-the-shelf back-office tools bundle a fixed workflow model and a licence fee, and the case data lives inside the vendor's platform. TrustChange shapes the operator surface, the workflows and the reporting against your actual rails, provider mix, merchant model and reviewer expectations. A bespoke build takes longer up front, but you keep every workflow, every dashboard and every case — and you avoid the roadmap lock-in that comes with a packaged product.
Which teams and workflows does the back office cover?
Three operator roles as first-class citizens: ops and merchant support (payments, refunds, chargebacks, disputes), treasury and finance (float, payouts, GL exports, close pack), and risk and compliance (screening decisions, monitoring alerts, four-eyes gates, reviewer exports). Each has its own saved views and permissions in the same console, so a case can hand off without leaving the platform.
How does the back office fit with the front-of-house gateway and the ledger?
The back office reads the same event stream and posts against the same double-entry ledger as the front-of-house gateway — one canonical payment record, not two systems out of sync. Reconciliation, dispute state, treasury movements and screening decisions attach to that record, so an ops or finance user is always one click away from the full lifecycle without a cross-team ticket.
How are PSD2, PCI DSS, AML and GDPR engineered into the back office?
TrustChange is an engineering partner, not a law firm — your compliance team and MLRO set the policy, we ship the controls and the evidence. That means role-based access, four-eyes gates on money-moving overrides, tamper-evident logs, PSD2-aware fields on payment cases, PCI-scope-minimising handling of card data, sanctions and screening rules that run inside the flow, and GDPR-aware storage with retention rules per case class. Nothing about licences or QSA reports is claimed on your behalf.
Do you also run the back-office platform after launch, or hand it over?
Both are on the table. Most clients start with named TrustChange engineers on 24/7 cover during the first months while their own team ramps up, then take the platform in-house with runbooks, dashboards and an on-call handover we author together. Some keep us on as a dedicated development team or on staff augmentation for new-workflow, integration and reporting work.
Book a discovery call for back-office payment processing software
Bring the operator roles, the current tools, the close cadence and where the pain sits — aged queues, stuck disputes, month-end delay or a stuck reviewer export. We come back with a control map, an architecture view and a costed plan. No demo theatre.