30+
professionals
100+
success projects
1 week
trial offer
Clutch rating

We build secure, scalable financial software that fits cleanly into your core systems, compliance workflows, and long-term product roadmap. As a fintech software development company, TwinCore delivers production systems for payments, digital banking, lending, BNPL, trading, embedded finance, and insurance operations with a clear focus on outcomes: faster onboarding, cleaner reconciliation, lower fraud exposure, stronger auditability, and dependable performance under load.

Our work covers both new product delivery and modernization of existing financial platforms. Whether you need a payment orchestration layer, a customer onboarding flow, a lending workflow, a trading operations platform, or an insurance compliance portal, we design around real operational logic rather than generic feature lists.

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Financial software development services

Who we serve in financial services

Banks & Credit Unions

Modernize customer channels and simplify operations without disrupting the core. We implement Open Banking integrations, real-time alerts, servicing tools, and secure APIs that improve retention while reducing internal handling time.

  • Open Banking (AIS/PIS) consent flows and secure data handoff
  • Account orchestration, limits/entitlements, and case management
  • Core banking integration, notifications, and stable APIs

FinTech Startups & Neobanks

Launch faster with an MVP that already respects the realities of financial software. We focus on the critical path first: onboarding, KYC/KYB, payments, ledgers, reporting, and the integrations you need to prove product-market fit without creating rework later.

  • MVP/PoC on real rails with audit-ready logging
  • KYC/AML pipelines and foundations for risk scoring
  • Event streaming, feature stores, and growth analytics

Payments & Wallet Providers

Improve approval rates while controlling risk and keeping ledgers consistent across providers. We build payment software with smart gateway routing, tokenization, SCA, payout workflows, and reconciliation logic that reduces back-office friction.

  • Multi-acquirer routing, retries, and failover
  • Tokenization, SCA, dispute workflows, and case tools
  • Reconciliation pipelines, settlement reporting, and ledger APIs

Lenders & BNPL Providers

Build credit workflows that move fast without losing control of underwriting, compliance, or reporting. We implement onboarding, application review, servicing, collections support, and decisioning layers that are observable and easy to extend.

  • Loan and BNPL onboarding workflows with identity checks
  • Decision engines, servicing tools, and partner integrations
  • Repayment schedules, reporting, and exception handling

Broker-Dealers & Wealth Platforms

Deliver dependable execution, clean analytics, and traceable risk workflows. We implement OMS/EMS, market data ingestion, trading operations tooling, and reporting pipelines tuned for latency budgets and auditability.

  • OMS/EMS, order lifecycle, allocations, and FIX connectivity
  • Market data ingestion, normalization, and entitlements
  • Risk, surveillance, and reporting workflows with traceable alerts

Insurance & InsurTech

Automate claims and compliance workflows without losing visibility into decisions and change history. From FNOL to audit portals and pricing logic, we help insurance teams replace fragmented manual processes with accountable systems.

  • FNOL intake and claims automation
  • Pricing engines with policy rules and full change history
  • Audit, reporting, and partner APIs for servicing workflows

Custom fintech software development services

Payments & Wallet Platforms

Card-present and online payments with wallet integrations, tokenization, SCA, payout flows, and auditable ledgers. We build payment orchestration that improves approvals without adding operational chaos.

  • Gateway selection logic, retries, and failover
  • Tokenization, risk rules, and dispute tooling
  • Settlement exports, reconciliation, and ledger services

Digital Banking & Customer Channels

Account opening, onboarding, servicing, and KYC/KYB flows built around strong identity and stable APIs. Customers get transparency; operations teams get controlled workflows, alerts, and configurable permissions.

  • Onboarding, KYC, sanctions screening, and risk tiers
  • Account orchestration, entitlements, and real-time alerts
  • Secure APIs and admin tools for operations teams

Lending, BNPL & Credit Operations

We build lending software that connects identity, underwriting, decisioning, servicing, and reporting into one controlled flow. That includes credit application logic, repayment schedules, partner integrations, and exception handling.

  • Credit onboarding, KYB/KYC, and document workflows
  • Decision engines, servicing tools, and collections support
  • Repayment schedules, statements, and compliance-ready reporting

Trading & Capital Markets Stack

An execution platform built around latency budgets, observability, and control. We implement OMS/EMS, market data contracts, trading operations workflows, analytics, and reporting layers that can scale without constant rewrites.

  • Order capture, routing, allocations, and post-trade support
  • Market data ingestion, normalization, and low-latency caching
  • Risk engines, surveillance, and reporting hooks

Insurance Tech & Compliance Workflows

From FNOL to claims routing, pricing engines, and audit portals, we turn fragmented insurance operations into traceable workflows. The result is faster handling, cleaner reporting, and stronger control over regulated processes.

  • FNOL intake, document capture, and triage
  • Claims workflows, rules, and adjuster tooling
  • Audit portals, validations, and reporting pipelines

Fraud, AML & Risk Toolkit

Behavioral telemetry and event streams are useful only when teams can act on them. We integrate AML/KYC tooling, build rules that are easy to tune, and expose clean features to risk models and case management flows.

  • Device/browser fingerprinting and behavioral analytics
  • Case management, SAR preparation, and auditability
  • Feature stores and streaming to risk models

Embedded Finance & FinTech Integrations

We help teams embed financial functionality into existing products without turning the architecture into a dependency mess. That includes payment gateway integrations, partner APIs, ledger connectivity, and controlled developer access.

  • Partner APIs, gateway integrations, and sandbox environments
  • OAuth 2.0, mTLS, and versioned external APIs
  • Ledger connectivity and governed event exchange

Data & Reporting Foundations

Event pipelines designed for reliability, traceability, and reporting accuracy. We capture transactions and operational signals in real time, then route them into your warehouse for regulatory, finance, and management reporting without fragile scripts.

  • Streaming ingestion, idempotent writes, and replay support
  • Warehouse connectors to Snowflake, BigQuery, and Redshift
  • Regulatory reporting interfaces and SLA monitoring

Common fintech and financial software challenges we solve

FinTech products rarely struggle because the UI is weak. They struggle because onboarding is slow, reconciliation is manual, risk tooling creates friction, and legacy integrations turn every release into a problem. We build around those pressure points so your platform is easier to operate, audit, and scale.

Slow KYC/KYB onboarding

We streamline identity, sanctions, document, and approval flows so onboarding becomes faster without turning controls into an afterthought.

Manual reconciliation

We automate transaction matching, exception handling, settlement reporting, and ledger alignment across providers and internal systems.

High fraud friction

Risk rules, behavioral telemetry, and case workflows are designed to reduce false positives instead of blindly blocking good users.

Legacy core dependencies

We isolate fragile integrations, stabilize APIs, and design controlled migration paths that reduce delivery risk while modernizing the stack.

Reporting bottlenecks

We capture operational and financial events in structured form so finance, compliance, and product teams stop building reports by hand.

Scaling under transaction spikes

Architectures are built around throughput, availability, and observability from the start, not retrofitted after the first growth wave hits.

Selected FinTech project outcomes

TwinCore already has hands-on delivery experience across e-banking, trading operations, and insurance compliance workflows. These project outcomes show the kind of measurable improvements we target in financial software development.

Custom e-banking portal for prepaid & reward cards

A secure portal for reward distribution, cardholder self-service, and multi-brand administration.

  • 50% reduction in reward distribution operations
  • 40% fewer employee support requests related to card management
  • 60% faster admin configuration and program updates
  • 70% faster incident investigation using centralized logs

See full case

Sales management & communication platform for trading

A trading operations platform with order management, analytics, tariff calculation, and scalable microservices architecture.

  • 40% reduction in manual operational time
  • 30% faster expense analysis and reporting
  • 25% faster quote and route selection
  • 99.9% platform availability under peak load

See full case

Insurance audit & compliance management platform

A modern portal that replaced legacy insurance audit workflows with structured automation, traceability, and reporting.

  • 40% reduction in audit-related task time
  • 50% faster auditor assignment and workflow distribution
  • 70% better audit traceability and compliance control
  • 60% faster report generation and delivery

See full case

What this means for your project

These cases matter because they map directly to the problems financial teams actually pay to solve: smoother onboarding, cleaner operations, stronger reporting, more reliable scaling, and less manual work inside regulated workflows.

  • Evidence for payments, e-banking, trading, and insurance use cases
  • Relevant proof for both new product delivery and platform modernization
  • Measurable outcomes instead of generic “we build fintech” claims

FinTech software architecture, integrations, and scalability

A clean architecture keeps risk low, reporting reliable, and changes manageable. We document each layer so security, operations, product, and compliance teams work from the same map.
Core banking & ledgers
Integration patterns for Temenos, Finacle, and other cores; ledger APIs with consistent IDs, transaction history, and reconciliation guarantees.
Payments rails
Gateways, processors, tokenization services, 3-D Secure 2 (SCA), payout workflows, and payment orchestration layers.
Market data & exchanges
FIX/FAST connectivity, entitlement checks, low-latency caches, and controlled data normalization for trading and wealth products.
Risk & analytics
Event streaming, feature stores, model endpoints, and traceable alerts with clear versioning across risk and fraud workflows.
APIs & developer experience
Versioned REST/GraphQL, OAuth 2.0, mTLS, rate limits, partner sandboxes, and SDK support for embedded finance and partner ecosystems.
Cloud, observability & scale
Azure and cloud-native deployment patterns, auto-scaling, release controls, monitoring, SLOs, and production incident visibility from day one.

Security and compliance for financial software

Security is built into the process, not added at the end. We design software so controls, evidence, and operational workflows stay aligned without bloating scope or slowing delivery to a crawl.

PCI-aware architecture

Scope reduction, tokenization, key management, and network segmentation for payment systems and wallets.

PSD2 / Open Banking

Consent flows, SCA, AIS/PIS integrations, and secure data handoff patterns for banking and payments use cases.

AML / KYC / KYB support

Identity workflows, sanctions screening, risk tiers, case handling, and auditable decision paths inside onboarding and review processes.

SOC 2 / ISO 27001 practices

Secure SDLC, change control, incident response, access management, and evidence packages that support internal and external review.

Data protection

Encryption in transit and at rest, masking, retention rules, secrets handling, and DLP-aware architecture choices.

Continuous verification & auditability

Threat modeling, code scanning, dependency checks, signed releases, centralized logs, and traceable workflows that simplify audits before go-live.

How we deliver

A predictable process keeps compliance, engineering, and product aligned. Every stage produces artifacts that help stakeholders make decisions earlier and reduce late-stage surprises.

1
Discovery & Planning
Goals, regulatory scope, product constraints, non-functional requirements, and an initial risk register. Dependencies are mapped and outcomes defined.
2
Reference Architecture & Backlog
Integration patterns, sequence diagrams, data models, and a prioritized backlog. A plan engineering can build and compliance can review.
3
PoC / MVP
A working slice on real rails and real data. Onboarding, payments, ledgers, reporting, or lending flows are wired end to end so decisions rest on evidence, not demos.
4
Build & Hardening
Iterative delivery with secure SDLC gates, performance tests, and observability. Latency budgets, error budgets, and SLOs are tracked from the start.
5
Compliance & UAT
Requirements traced to tests and controls. Evidence packages, change logs, runbooks, and audit trails are prepared before go-live.
6
Launch & Operations
Production readiness reviews, on-call rotations, incident playbooks, release policies, and post-launch tuning for performance, risk, and reporting workflows.

Pricing and timelines: what drives them

Budgets and schedules vary because financial systems carry different levels of regulatory complexity, transaction load, and integration depth. The main factors include:

  • Product scope: payments, onboarding, lending, trading, insurance workflows, or embedded finance
  • Number and complexity of integrations (core banking, processors, market data, identity providers, partner APIs)
  • Security depth and PCI DSS, PSD2, Open Banking, AML/KYC, or auditability requirements
  • Non-functional targets such as latency, throughput, availability, observability, and data residency
  • Reporting obligations, evidence expectations, and internal governance processes
  • Transaction volume, geographic reach, and multi-region deployment needs
  • Team composition, release cadence, and internal review cycles

We establish realistic milestones during discovery, then track delivery against those milestones with shared dashboards and frequent checkpoints so there is no mystery about scope, trade-offs, or progress.

Financial software architecture and delivery

Our case studies

What our clients say about us

  • TwinCore has elevated the client's customers to the next level of supply chain management. The team is highly cost-efficient from a project management standpoint, and internal stakeholders are particularly impressed with the service provider's team dynamic.

    Alex Lopatkin
    Alex Lopatkin
    Amous

  • TwinCore delivered a fully functional solution on time, meeting expectations. The highly organized team employed a DevOps approach, swiftly responded to needs and concerns, and led a productive, enjoyable workflow. Their receptiveness to client requests and feedback stood out.

    Bruno Maurer
    Bruno Maurer
    Managin Director, N-tree

  • Thanks to TwinCore’s work, the client has gained a user-friendly, stable, and scalable SaaS platform. The team manages the engagement well by being reliable and punctual; they deliver tasks on time. Their resources are also highly flexible, resulting in a truly seamless engagement with the client.

    Mischa Herbrand
    Mischa Herbrand
    Executive, CIN

  • TwinCore successfully audited the apps and converted them into modern web apps, meeting expectations. They completed the project on time and within the agreed budget. Communicating through virtual meetings, the team provided updates and responded to the client's concerns.

    JH
    Joe Holme
    IT Director, GDD Associates

  • TwinCore delivered a fully functional solution on time, meeting expectations. The highly organized team employed a DevOps approach, swiftly responded to needs and concerns, and led a productive, enjoyable workflow. Their receptiveness to client requests and feedback stood out.

    A
    Anonymous
    Managing Director, Marketing Company

Related Topics

Frequently Asked Questions

How do you keep PCI scope small during a payments build?

By isolating cardholder data with tokenization, minimizing data exposure in application layers, and segmenting networks. We design controls that satisfy auditors while keeping the product flexible.

What drives timelines for digital banking integrations?

Core connectivity, identity flows, and KYC/AML pipelines are the biggest drivers. We de-risk early with reference architecture, sandboxes, and staged rollouts that surface dependencies before full build.

How do you prove audit readiness before go-live?

Each requirement maps to a test and a control. Evidence is collected continuously: code reviews, signed releases, change logs, runbooks, and traceable alerts feed an audit package that reviewers can navigate.

What makes OMS/EMS architectures meet latency targets?

Tight control of market data paths, caching, and order routing. We measure budgets at each hop and build observability in from the start so latency regressions are visible and fixable.

Can you integrate fraud and AML tools without blocking good users?

Yes. We expose clean features to models, support rules that are easy to tune, and monitor false positives. The goal is strong protection with minimal friction in real customer journeys.

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