Fintech Software
Development Company
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DashDevs: Built for Payments, Lending, and Banking at Scale
Custom Fintech Software Development Services
DashDevs offers a range of custom fintech software development services tailored to businesses of all sizes — from startups to enterprise-level companies across diverse industries. Below is an overview of our main service lines.
Core Banking & Infrastructure

Banking Software Solutions
We help banks and neobanks digitally transform with custom banking software covering KYC automation, banking rails integration, card issuing, payment processing, regulatory reporting, and customer portal development. Whether building a full neobank or modernizing legacy infrastructure, we deliver secure, scalable banking software that meets regulatory requirements from day one.
General Ledger
DashDevs provides custom fintech software for general ledger needs. Our solutions cover multi-entity accounting, real-time balances, double-entry bookkeeping, and reconciliation. We also offer seamless integration with third-party ERP and reporting systems.
KYC & AML Services
Identity verification, document checking, sanctions screening, PEP lists, and ongoing transaction monitoring — we build KYC and AML workflows into the fabric of your financial product. Our custom fintech software solutions integrate with leading identity verification providers for automated, audit-ready customer onboarding.
Open Banking
Our custom software development for fintech connects financial institutions to real-time account data. We enable account aggregation, payment initiation, and customer financial insights, built on PSD2-compliant API infrastructure with strong customer authentication (SCA), AISP/PISP capabilities, and consent management workflows.
Banking Software Solutions
We help banks and neobanks digitally transform with custom banking software covering KYC automation, banking rails integration, card issuing, payment processing, regulatory reporting, and customer portal development. Whether building a full neobank or modernizing legacy infrastructure, we deliver secure, scalable banking software that meets regulatory requirements from day one.
General Ledger
DashDevs provides custom fintech software for general ledger needs. Our solutions cover multi-entity accounting, real-time balances, double-entry bookkeeping, and reconciliation. We also offer seamless integration with third-party ERP and reporting systems.
KYC & AML Services
Identity verification, document checking, sanctions screening, PEP lists, and ongoing transaction monitoring — we build KYC and AML workflows into the fabric of your financial product. Our custom fintech software solutions integrate with leading identity verification providers for automated, audit-ready customer onboarding.
Open Banking
Our custom software development for fintech connects financial institutions to real-time account data. We enable account aggregation, payment initiation, and customer financial insights, built on PSD2-compliant API infrastructure with strong customer authentication (SCA), AISP/PISP capabilities, and consent management workflows.
Payments & Transaction Solutions

Payment Gateway Development
We create customer-facing payment gateway environments ensuring secure transmission of payment data to acquirers, supporting in-store, online, and in-app payments with an emphasis on compliance. Our fintech custom software development for payment gateways covers PCI DSS compliance, tokenization, 3DS authentication, and multi-provider orchestration — giving you the flexibility to optimize routing and reduce transaction costs at scale.
Cross-Border Payments Integrations
International money movement requires custom fintech software solutions that handle multi-currency accounts, FX rate management, SWIFT and SEPA rails, correspondent banking relationships, and multi-jurisdiction compliance. We build cross-border payment infrastructure that keeps transaction costs low and settlement times fast.
E-Wallet & Digital Wallet
We build multi-currency digital wallets with real-time balance management, transaction history, peer-to-peer transfers, and seamless card integration. Our e-wallet custom fintech software handles complex money movement scenarios — including cross-border payments, FX conversion, and multi-rail settlement — built for regulatory compliance across jurisdictions.
Agentic Payments
We build payment infrastructure for the next generation of AI-driven financial products — enabling autonomous payment execution, rule-based authorization, multi-step transaction workflows, and seamless integration with AI agents acting on behalf of users or businesses. Our agentic payment solutions are designed for reliability, auditability, and compliance, giving your product the foundation to automate financial decisions at scale.
Payment Gateway Development
We create customer-facing payment gateway environments ensuring secure transmission of payment data to acquirers, supporting in-store, online, and in-app payments with an emphasis on compliance. Our fintech custom software development for payment gateways covers PCI DSS compliance, tokenization, 3DS authentication, and multi-provider orchestration — giving you the flexibility to optimize routing and reduce transaction costs at scale.
Cross-Border Payments Integrations
International money movement requires custom fintech software solutions that handle multi-currency accounts, FX rate management, SWIFT and SEPA rails, correspondent banking relationships, and multi-jurisdiction compliance. We build cross-border payment infrastructure that keeps transaction costs low and settlement times fast.
E-Wallet & Digital Wallet
We build multi-currency digital wallets with real-time balance management, transaction history, peer-to-peer transfers, and seamless card integration. Our e-wallet custom fintech software handles complex money movement scenarios — including cross-border payments, FX conversion, and multi-rail settlement — built for regulatory compliance across jurisdictions.
Agentic Payments
We build payment infrastructure for the next generation of AI-driven financial products — enabling autonomous payment execution, rule-based authorization, multi-step transaction workflows, and seamless integration with AI agents acting on behalf of users or businesses. Our agentic payment solutions are designed for reliability, auditability, and compliance, giving your product the foundation to automate financial decisions at scale.
Lending & Credit

Lending Solutions
We build end-to-end lending platforms covering P2P lending, core lending software, loan management, and mortgage automation. Our custom fintech software enables fast, data-driven lending decisions across the full loan lifecycle — from borrower onboarding and risk assessment to repayment processing and portfolio analytics.
BNPL Development
We build BNPL platforms with real-time credit decisioning, installment management, merchant integration APIs, and collections workflows. Our custom fintech development for BNPL covers the full lending lifecycle — from consumer onboarding and risk assessment to repayment processing and portfolio management analytics.
Personal Finance & Wealth Management
We develop fintech software for personal finance and wealth management needs — covering budgeting tools, robo-advisory platforms, trading applications, P2P lending, and credit monitoring. Our solutions help users manage finances and investments digitally with intuitive, compliance-ready experiences.
Lending Solutions
We build end-to-end lending platforms covering P2P lending, core lending software, loan management, and mortgage automation. Our custom fintech software enables fast, data-driven lending decisions across the full loan lifecycle — from borrower onboarding and risk assessment to repayment processing and portfolio analytics.
BNPL Development
We build BNPL platforms with real-time credit decisioning, installment management, merchant integration APIs, and collections workflows. Our custom fintech development for BNPL covers the full lending lifecycle — from consumer onboarding and risk assessment to repayment processing and portfolio management analytics.
Personal Finance & Wealth Management
We develop fintech software for personal finance and wealth management needs — covering budgeting tools, robo-advisory platforms, trading applications, P2P lending, and credit monitoring. Our solutions help users manage finances and investments digitally with intuitive, compliance-ready experiences.
Card & Integration Services

Card Issuing & Processing
End-to-end custom financial software development for virtual and physical card programs — including BIN sponsorship, card lifecycle management, dynamic CVV, spending controls, and real-time authorization. We integrate with leading card network processors and BaaS providers to bring your card product to market with a compliant, scalable architecture.
Fintech Integrations & API
We connect your financial product to the ecosystem it needs — banking-as-a-service platforms, currency exchange APIs, online brokerage rails, insurance providers, and real estate finance systems. Our integration methodology covers vendor evaluation, API design, error handling, and ongoing monitoring to keep your fintech infrastructure running reliably.
Card Issuing & Processing
End-to-end custom financial software development for virtual and physical card programs — including BIN sponsorship, card lifecycle management, dynamic CVV, spending controls, and real-time authorization. We integrate with leading card network processors and BaaS providers to bring your card product to market with a compliant, scalable architecture.
Fintech Integrations & API
We connect your financial product to the ecosystem it needs — banking-as-a-service platforms, currency exchange APIs, online brokerage rails, insurance providers, and real estate finance systems. Our integration methodology covers vendor evaluation, API design, error handling, and ongoing monitoring to keep your fintech infrastructure running reliably.
Consulting & Outsourcing

Fintech Consulting
From architecture reviews and compliance gap assessments to technology selection and product roadmap planning, our fintech consulting services give you access to senior financial software expertise without the overhead of building it in-house.
Fintech Outsourcing & Dedicated Teams
We provide dedicated fintech development teams that operate as an extension of your internal product organization — covering senior engineers, compliance-aware architects, QA specialists, and project management for sustained product delivery.
Digital Transformation for Traditional Banks
We help traditional banks modernize legacy infrastructure and compete in a digital-first landscape. Our services cover core banking migration, microservices architecture, mobile banking, process automation, and data security — delivering transformation that minimizes operational risk and accelerates time-to-value.
Fintech Consulting
From architecture reviews and compliance gap assessments to technology selection and product roadmap planning, our fintech consulting services give you access to senior financial software expertise without the overhead of building it in-house.
Fintech Outsourcing & Dedicated Teams
We provide dedicated fintech development teams that operate as an extension of your internal product organization — covering senior engineers, compliance-aware architects, QA specialists, and project management for sustained product delivery.
Digital Transformation for Traditional Banks
We help traditional banks modernize legacy infrastructure and compete in a digital-first landscape. Our services cover core banking migration, microservices architecture, mobile banking, process automation, and data security — delivering transformation that minimizes operational risk and accelerates time-to-value.
Mobile Apps

Fintech Mobile App Development
Native and cross-platform mobile app development for financial services — covering iOS and Android banking apps, investment platforms, payment apps, and personal finance tools. Our mobile app development process prioritizes biometric authentication, real-time push notifications, offline resilience, and a customer service experience that drives retention.
Neobank App Development
We build fully functional neobank platforms covering customer onboarding, account management, card issuing, transaction history, and customer support. Our neobank development services deliver compliant, scalable digital banking products — from MVP to full-scale launch.
Fintech Mobile App Development
Native and cross-platform mobile app development for financial services — covering iOS and Android banking apps, investment platforms, payment apps, and personal finance tools. Our mobile app development process prioritizes biometric authentication, real-time push notifications, offline resilience, and a customer service experience that drives retention.
Neobank App Development
We build fully functional neobank platforms covering customer onboarding, account management, card issuing, transaction history, and customer support. Our neobank development services deliver compliant, scalable digital banking products — from MVP to full-scale launch.
How Fintech Core
Gets You to Market Faster
Over 15 years we’ve solved the hard infrastructure problems so you don’t have to. Fintech Core is our proprietary foundation of reusable architecture patterns, pre-mapped integrations, and compliance-ready components — battle-tested across every engagement. Your project starts ahead, not from scratch.
Reusable Fintech Architecture Patterns
Core banking components, ledger modules, and payment orchestration layers developed across 100+ projects are adapted — not rebuilt — for each client engagement. This means proven, secure, scalable infrastructure from day one.
Pre-Mapped Integration Ecosystem
We maintain active implementation knowledge for 100+ third-party fintech vendors — payment processors, KYC/AML providers, card issuers, and open banking APIs. Integration timelines are predictable because we've done them before.
Compliance-First Architecture Planning
PCI DSS, GDPR, PSD2, MiFID II, and AML requirements are embedded in system design, not bolted on afterward. Our compliance-aware architecture planning prevents costly late-stage rework that plagues projects built without fintech depth.
Real-Time Transaction Infrastructure
Designing for real-time payments requires specific architectural choices: event-driven processing, idempotency guarantees, and distributed ledger patterns. Our teams apply these from the first sprint — not after performance issues emerge in production.
Scalability Planning from Day One
We design custom fintech software for the transaction volumes you'll have in three years, not just what you need at launch. Horizontal scaling patterns, data partitioning strategies, and queue architectures are built into every financial software custom development engagement.
Reduced Implementation Risk
Risk assessment is inherent in every fintech project. Our portfolio of case studies across banking apps, payment gateways, and investment platforms means we've already encountered — and solved — the integration failures, compliance edge cases, and data issues your project will face.
Security standards
PCI DSS
GDPR
PA-DSS
ePrivacy
KYC
Industry methods and workflows
Central Limit Order Book (CLOB)
IOI/RFQ/Quote (Negotiation)
EMV
Digital signature regulations and standards
SES
QES
AES
eIDAS
Financial legislation and regulations
AMLD
MiFID II
PSD2
MiFIR
Technologies We Use
mobile
Swift
Java
TypeScript
Objective-c
Kotlin
C++
Dart
back-end
.Net & .Net Core
Python
Ruby
PHP 5-7
Go
Java
Node.js
front-end
React
Angular
Vue.js
devops
Kubernetes
Docker
Third-party integrations we provide
DashDevs has in our partnership network 100+ third-party vendors, which we can integrate to enable one or another product functionality.
Financial Account Connectivity

Currency Exchange

Banking-As- A-Service

Lending-As- A-Service

Card Payment Processing

KYC & AML

Online Brokerage

Card Issuing

Our Delivery Process for Custom Fintech Software Development
Requirements Gathering & Compliance Scoping
In this stage, we work closely with stakeholders to clarify project goals, define user needs, and understand constraints. For fintech, this means identifying applicable licensing requirements, jurisdiction-specific compliance obligations (GDPR, PSD2, AMLD), and data residency requirements before a single line of code is written. We document these requirements through functional specifications, use cases, user stories, and a compliance requirements matrix to create a clear project scope, ensuring alignment between business objectives and technical feasibility.
1Compliance-Aware Software Architecture
Here, we develop a detailed blueprint that outlines system components, modules, data flow, and technology stack choices. Compliance and data protection are treated as first-class requirements — not constraints to accommodate later. This includes PCI DSS scoping, encryption standards, multi-tenancy patterns, and fintech infrastructure optimization. This architecture provides standards, best practices, and technical guidelines for the development team, promoting cohesive development and scalability planning from the outset.
2UX/UI Design
In this phase, we focus on creating user-centered interfaces for financial services — paying specific attention to onboarding flows (KYC document capture), transaction confirmation patterns, error handling for payment failures, and customer service touchpoints. We use wireframes, prototypes, and visual mockups to iteratively test and refine design elements, ensuring the final product meets user expectations and delivers a seamless experience across devices.
3Agile Development with Banking & Payment Provider Integration
We proceed with translating the design into functional software, working in sprints using Scrum methodologies. Integration milestones for banking rails, payment providers, and third-party fintech vendors are tracked alongside feature delivery. We apply real-time transaction handling patterns — event sourcing, idempotent API design, asynchronous processing — from the first sprint. Each sprint delivers incremental features, allowing for continuous adaptation and improvement based on feedback.
4Security-First Testing & Compliance Validation
Here, we thoroughly verify the software's functionality, usability, and performance. Testing in fintech goes beyond functional QA — our process includes penetration testing, PCI DSS compliance validation, AML/KYC workflow testing with edge-case scenarios, and load testing for peak transaction volumes. We employ both automated testing and manual validation to identify and resolve issues early.
5Deployment with Financial-Grade Reliability
Next, we release the software to the production environment through CI/CD pipelines, using blue-green or canary deployment patterns and automated rollback capabilities. We use DevOps practices, infrastructure-as-code, Kubernetes-based container orchestration, and real-time transaction monitoring tools to ensure stability and seamless deployment.
6Maintenance & Post-Production Support
Finally, we provide continuous support — implementing updates, bug fixes, performance monitoring, and proactive infrastructure optimization as transaction volumes grow. Our post-production support covers ongoing compliance updates for regulatory changes such as PSD2 technical standards revisions and new card scheme mandates.
7
FAQ
What is the average cost of custom software development?
Custom fintech software development costs vary significantly based on product complexity, required integrations, and compliance scope. A focused MVP — a payment app or basic e-wallet — might range from $50,000 to $150,000. Full-featured platforms with multiple financial services integrations and compliance infrastructure typically range from $250,000 upward. We provide detailed estimates after requirements gathering. Contact us for a consultation tailored to your specific product vision.How do I find the right custom fintech development company?
Look for a partner with a demonstrable track record of delivering financial products in production — not just prototypes. Evaluate their depth in compliance (PCI DSS, GDPR, PSD2), their existing integration ecosystem, their ability to plan for scalability from day one, and the transparency of their development process. Case studies that describe real business problems, infrastructure decisions, and measurable outcomes are a strong signal of genuine fintech expertise.How do you ensure security and compliance in fintech software?
Security and compliance are embedded into our development process from the requirements stage — not addressed at the end. Our approach includes compliance-aware architecture planning (PCI DSS scoping, GDPR data flow mapping, PSD2/AML obligations), encryption-first data design, penetration testing, and automated compliance validation testing. We maintain ongoing compliance support post-launch to adapt to regulatory changes.What types of fintech products can you build?
We build across the full fintech product spectrum: digital banking apps and neobank platforms, payment gateways and processing infrastructure, e-wallets and multi-currency digital wallets, card issuing programs, BNPL platforms, cross-border payment solutions, open banking applications, investment and portfolio management platforms, KYC/AML compliance tooling, and general ledger systems — covering both consumer-facing mobile applications and the back-end financial infrastructure that powers them.How long does custom fintech software development take?
Timeline depends on product scope, integration complexity, and compliance requirements. An MVP for a focused fintech product can typically reach market in one to three months using our proven fintech architecture patterns and pre-integrated vendor relationships. Full-featured platforms like core banking systems or multi-rail payment orchestration engines require six to twelve months for initial production release. We provide detailed timeline estimates during the requirements phase, with milestones tied to integration, delivery, and compliance checkpoints.What are the biggest challenges in fintech software development?
The most common challenges are: navigating multi-jurisdiction regulatory requirements without delaying timelines; integrating reliably with banking rails, card processors, and third-party fintech providers; building real-time transaction handling that remains correct and auditable under high load; designing for PCI DSS compliance without sacrificing developer velocity; and managing the risk assessment complexity of fraud, AML, and KYC workflows across diverse customer bases. DashDevs has encountered and resolved all of these challenges across 80+ fintech projects.









