Banking Software Development Company

Core-Deep. Compliant. Delivered.
Engineering teams for retail banks, corporate banks, neobanks, and fintech companies making the transition to digital banking — core modernization, compliance-first, AI-integrated.
 Reliable partner
Reliable partner
Experienced team
Experienced team
 Smart solutions
Smart solutions
Banking Development Services 1920
Banking Development Services 1440

Industry Leaders We Work With

“Digital banking platform adoption among retail banks is projected to reach 88% globally by 2027.” — Deloitte

Banks across the financial services industry that delay core banking software development and digital channel investment face compounding technical debt, regulatory exposure, and customer attrition to neobank competitors.
Why Zoolatech for Banking

Banking Software Development for Regulated Environments

Reliable banking software development requires teams with hands-on experience in core banking systems, compliance, and real-time transaction platforms, not generalist engineers applying banking labels to generic software delivery.
Compliance-first architecture

Compliance-first architecture

Every banking system Zoolatech delivers includes audit trail, RBAC, and regulatory controls mapped at the architecture stage — not retrofitted after delivery.
Core banking expertise

Core banking expertise

COBOL migration, strangler-fig re-architecture, and zero-downtime core transitions delivered by engineers with direct legacy banking system experience.
Governed AI

Governed AI

Fraud detection and credit scoring models in regulated banking environments are delivered under AI management governance: auditable, explainable, and bias-monitored.
60% senior engineers

60% senior engineers

Senior banking software developers with 5 or more years of domain experience lead every engagement — not junior teams supervised by a thin management layer.
Full-cycle delivery

Full-cycle delivery

From discovery and compliance mapping through development, regulatory validation, and post-launch support — Zoolatech owns the full banking software development lifecycle.
98% client retention

98% client retention

Long-term partnerships averaging 4-plus years across the banking industry, healthcare, and enterprise software reflect consistent delivery in high-stakes environments.
4 delivery locations

4 delivery locations

Engineering teams in Poland, Ukraine, Mexico, and Turkey provide cost-predictable banking software development capacity with time-zone alignment for US and European banks.
300+ projects delivered

300+ projects delivered

Across financial and banking software, retail, healthcare, and enterprise technology. 300-plus completed projects demonstrate the delivery depth that banking institutions require.
Testimonials

What Our Customers Say

“In the case of Zoolatech, it's a very tight partnership.
The team at Zoolatech is incredibly collaborative, and we work as a team despite being thousands of miles away from each other.”
Spencer Rascoff
CEO Match Group
5/5
“Zoolatech has been a key technology partner for Pandora,
enhancing our software development and deployment capabilities. They're ambitious, supportive, fast-moving, and well-skilled, with sound ethical values.”
Erika Romsics
Contract and Vendor Manager, Pandora
erica
5/5
“The apps they’ve developed give us the opportunity to get more customers.
We’re providing more services to target big customers. We can install jobs faster and identify reduce bottlenecks, so we’re providing a better customer experience.”
Aida Youssef
Senior Director of Software Engineering, Complete Solaria
5/5
“Zoolatech has access to a deep talent pool and knows how to identify client's needs.
With the help of Zoolatech, went from a very early and incomplete prototype to the MVP release, the first production release, and the first paying customer!”
Greg Wagenhoffer
CEO, GreenVisr
5/5
“Zoolatech enabled us to build a world-class engineering team quickly and efficiently.
Zoolatech's pre-screening process and engineer training are customized for providing effective engineers that can contribute immediately to accelerating product roadmaps.”
Shariq Minhas
CTO, SVSG
5/5
“We can recommend Zoolatech
for their talent pool, attention, ability to understand our requirements, candidate screening process and constant communication.”
Chaitanya Pallapothula
SVP, Tailored Brands, Inc.
5/5
“Zoolatech’s developers quickly became an integral part of our team effort
with whom we shared daily stand up calls. Overall, Zoolatech fit well with our needs for agile development and continued to adapt as our needs evolved.”
Forrest Glick
UX Designer, Stanford University
5/5
“Working with Zoolatech has been a driving force in our business offerings.
The team utilizes it's experience and expertise meshing with our internal team creating a positive work environment. Zoolatech is by far one of the best teams to work with in the industry.”
Kris Naidu
CEO, Zeacon
Kris Naidu CEO, Zeacon
5/5
What We Build

Banking Software Development Services and Solutions

From core banking modernization to open banking software development. Modern digital banking software built for the regulatory environment it operates in.
Core banking software

Core banking software development for legacy modernization and cloud-native re-architecture

  • Core banking modernization and legacy system replacement
  • Cloud-native banking platform architecture and migration
  • Core ledger, account, and transaction management systems
  • API integration with banking and fintech ecosystems
  • Real-time processing and high-availability infrastructure
  • Regulatory controls and audit-ready system architecture
Digital banking

Digital banking software development for internet banking, self-service portals, and omnichannel delivery

  • Online banking platforms for retail and business customers
  • Self-service portals and omnichannel banking experiences
  • Customer onboarding and account management workflows
  • Secure authentication and digital identity management
  • Personalized banking dashboards and user experiences
  • Integrated digital channels across web and mobile
Mobile banking

Mobile banking software development for iOS and Android, including native and cross-platform apps

  • Native and cross-platform mobile banking applications
  • Mobile account access and transaction management
  • Biometric authentication and secure mobile access
  • Real-time alerts and customer notifications
  • Mobile payments, transfers, and card controls
  • Seamless banking experiences across mobile devices
Payment systems

Payment processing system development for real-time rails, card processing, and fraud detection

  • Real-time payment processing and transaction routing
  • Card processing and payment gateway integration
  • Fraud detection and transaction monitoring systems
  • Domestic and cross-border payment capabilities
  • Payment rail integration and API connectivity
  • Scalable infrastructure for high-volume transactions
Investment banking

Investment banking software development for trading, risk management, and regulatory reporting

  • Trading platform development and modernization
  • Risk management and portfolio monitoring systems
  • Regulatory reporting and compliance automation
  • Market data integration and analytics tools
  • Investment operations and workflow automation
  • Secure infrastructure for financial transactions
Neobank platforms

Neobank app development services for mobile-first, API-first digital banking builds

  • Mobile-first digital banking platform development
  • API-first architecture and banking integrations
  • Digital onboarding and KYC verification workflows
  • Real-time payments and account management features
  • Embedded finance and banking service integration
  • Scalable platforms for neobank growth and expansion
Lending software

Lending software development for loan origination, underwriting, servicing, and collections

  • Loan origination systems with intake and decisioning workflows
  • Credit scoring and underwriting using internal and external data
  • Loan servicing software for payments, accounts, and reporting
  • Collections and debt management with automated outreach workflows
  • Consumer, commercial, mortgage, and SME lending platforms
  • Compliance-ready lending solutions with audit and reporting support

“By 2026, more than 60% of traditional banks will have adopted AI-powered banking software solutions to automate risk and compliance workflows.” — McKinsey & Company

AI is now a baseline requirement for banks managing compliance, fraud, operations, and customer service at scale. Zoolatech delivers AI-powered banking solutions with governance, transparency, and auditability built in.
Banks We Serve

Banking Software Solutions for Every Institution Type

Software solutions for the banking sector differ by institution type — architecture, compliance, and integration requirements vary across retail banks, neobanks, and investment firms.
Retail and commercial banks

Retail and commercial banks

Core re-architecture, digital channel builds, and compliance-aware CI/CD for banks where downtime carries regulatory and reputational cost.
Neobanks and challenger banks

Neobanks and challenger banks

Mobile-first neobank platforms built API-first with BaaS integration, real-time payment rails, and digital KYC/AML from day one.
Investment banks and trading firms

Investment banks and trading firms

Trading platform modernization, risk management systems, and regulatory reporting for FINRA, SEC, and MiFID II obligations.
Fintech companies

Fintech companies

Banking and financial software development for fintech companies building digital banking products, embedded finance, and lending and corporate banking applications.
Credit unions

Credit unions

Member portal development, core modernization, and digital onboarding for credit unions across the US financial services industry.
Corporate banks

Corporate banks

Treasury management, trade finance platforms, cash management portals, and multi-currency account management for institutional clients.
Financial and banking software development engagements at Zoolatech are structured for predictability — defined scope, measurable milestones, and a skilled financial software development team that owns outcomes.
98%
Client retention rate
96%
Client satisfaction rate
Our Delivery Approach

Our Approach to Banking Software Development

The most common failure in banking software development is treating compliance and integration requirements as second-phase concerns. Zoolatech maps regulatory obligations at discovery — so architecture decisions carry full regulatory and operational context from day one of the software development process.
Step 1

Discovery and compliance mapping

Every banking software development engagement begins with a structured discovery phase mapping regulatory obligations — Basel III capital requirements, PSD2 API standards, FFIEC IT examination guidelines, NYDFS Cybersecurity Regulation Part 500 — alongside existing system architecture. Integration dependencies, data flows, and compliance controls are documented before a line of code is written. Banking software development services help financial institutions make architecture decisions grounded in the regulatory environment they operate in — not assumptions that compliance will be resolved later.
Step 2

Architecture and system design

Banking software architecture decisions carry long-term compliance, performance, and operational consequences. Zoolatech designs core banking, payment, and digital banking systems using domain-driven design principles, with software architecture controls, data segregation, and audit trail requirements built into the data model and API layer from the outset. Custom banking software development solutions for legacy banking system modernization use the strangler-fig pattern to isolate and replace components without exposing live transactions to cutover risk.
Step 3

Development and integration

The banking software development lifecycle at Zoolatech follows compliance-aware CI/CD practices with change advisory board processes suited to regulated banking environments. The banking software development team integrates core banking platforms — Temenos, Finastra, FIS, Oracle FLEXCUBE — and implements SWIFT, ISO 20022, PSD2 open banking APIs, and FedNow and RTP payment rails. Software development for financial services at this stage covers both custom software solutions and integration with existing banking service infrastructure.
Step 4

Validation and regulatory testing

Banking software requires testing that goes beyond functional coverage. Zoolatech runs regulatory workflow regression, PCI DSS validation, access control verification, and penetration testing before any banking application moves toward production. QA engineers document test evidence to support FFIEC, NYDFS, and Basel compliance reporting — so audit-readiness is built into the app development process, not assembled retrospectively. This approach to banking software development ensures that right banking software reaches production in a verified compliance state.
Step 5

Deployment and ongoing support

Banking software deployment follows ITIL-aligned change management with full audit trail and rollback capability. For core banking modernization, Zoolatech uses phased parallel-run deployment — the new system runs alongside the existing platform during validation, so no live transaction is exposed to cutover risk. Post-launch application support maintains system stability, regulatory posture, and performance under production load. Comprehensive financial software development at Zoolatech does not end at deployment — ongoing banking service and support is part of every engagement structure.
Technologies We Use

Banking Software Development Technology Stack

Your banking software developers work with the platforms, protocols, and frameworks that financial institutions operating in regulated environments depend on for online banking, payments, and core operations.
Java (Spring Boot)
Java (Spring Boot)
Python
Python
Node.js
Node.js
React
React
Apache Kafka
Apache Kafka
PostgreSQL
PostgreSQL
AWS FinSpace
AWS FinSpace
Azure
Azure
Temenos Transact
Temenos Transact
Thought Machine Vault
Thought Machine Vault
SWIFT / ISO 20022
SWIFT / ISO 20022
Docker
Docker
Kubernetes
Kubernetes
and other
Regulatory Coverage

Banking Compliance Engineering Across Every Major Framework

Digital solutions for banking that fail compliance review are a liability. Zoolatech designs banking software for the regulatory environment it will operate in — not for a demo environment.
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Basel III and Basel IV capital requirements

Banking software supporting capital adequacy calculations, liquidity coverage ratios, and stress testing must deliver regulatory reporting accuracy as a first-order output — not a bolt-on module added before the next audit cycle.
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PSD2 and open banking standards

PSD2-compliant open banking software development requires consent management, strong customer authentication, and secure API design — covering ASPSP and TPP integration patterns and FAPI security profiles for EU and UK banks.
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FFIEC, NYDFS, and AML/BSA requirements

Zoolatech maps FFIEC, NYDFS Part 500, AML transaction monitoring, SAR filing automation, and OFAC sanctions screening at the architecture stage — so US banks maintain continuous compliance posture through the full software development lifecycle.
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DORA and EU digital resilience

EU financial institutions subject to DORA need ICT risk management frameworks and resilience testing built into technology operations. Zoolatech engineers banking and financial software to meet DORA compliance requirements from the architecture stage.
Fintech Expertise

Software Development Partner for the Financial Services Industry

Banks and fintech companies need a software development partner that understands what regulated financial systems require to operate, scale, and survive an audit.

Domain depth, not domain claims

Zoolatech banking software developers bring direct experience with core banking integration, COBOL-based legacy software replacement, payment rail implementation, and compliance framework mapping.

Compliance built in at every stage

Zoolatech maps regulatory obligations at discovery and carries them through architecture, development, testing, and deployment — so modern digital banking software passes audit review by design.

Senior-heavy teams with ownership

60% of Zoolatech engineers are senior-level professionals with 5-plus years in complex regulated systems — owning architecture decisions and delivery outcomes for the banking systems they build.

Predictable delivery, every engagement

Every engagement includes defined scope, live risk registers, formal QA gates, and a dedicated delivery manager — so banking software moves from development to production on schedule and compliance-verified.
Why Choose Us

Why Businesses Trust Us

logo
At Zoolatech, we create engineering teams for industry leaders across the US and Europe — teams that move fast, think big, and deliver strong impact.
96%
Client Satisfaction
300+
Successful Projects
2017
Year Founded
98%
Retention Rate
team sport photo
At Zoolatech, we create engineering teams for industry leaders across the US and Europe — teams that move fast, think big, and deliver strong impact.
Engineering Excellence. Every Time.
main award png (1)
At Zoolatech, we create engineering teams for industry leaders across the US and Europe — teams that move fast, think big, and deliver strong impact.
team sport photo
600+
Employees
Headquarters
USA
Development Centers
PL
UA
MX
TR

Start Your Banking Software Project

Tell us your core system environment, regulatory obligations, and delivery timeline. Zoolatech scopes a compliant banking software development approach within 48 hours.
Questions You May Have

What banking software development services does Zoolatech provide?

Zoolatech provides banking software development services covering core banking modernization, digital banking platform development, mobile banking apps, neobank platform builds, payment processing systems, banking CRM, open banking API integration, KYC/AML compliance modules, fraud detection systems, and regulatory reporting tools. We serve retail banks, investment banks, credit unions, neobanks, and fintech companies across the US and Europe.

How do you approach core banking system modernization?

A phased strangler-fig approach incrementally replaces legacy core banking components — including COBOL-based systems — with modern microservices while keeping the existing platform live. New components run in parallel and are validated before each cutover, eliminating big-bang migration risk and maintaining regulatory continuity throughout the transition.

What banking compliance standards can you support?

Banking software Zoolatech delivers is designed for Basel III and Basel IV capital requirements, PSD2 and Open Banking API standards, FFIEC IT examination guidelines, NYDFS Cybersecurity Regulation Part 500, AML and BSA compliance including OFAC sanctions screening, DORA for EU financial institutions, and PCI DSS for payment card processing. Compliance architecture is defined during discovery — not added post-development.

What banking platforms and technology stacks do you work with?

Zoolatech integrates with core banking platforms including Temenos Transact, Finastra Fusion, FIS Modern Banking Platform, Oracle FLEXCUBE, and Thought Machine Vault. For modern stack builds, the team uses Java and Spring Boot, Python, Node.js, cloud-native AWS and Azure, Apache Kafka for transaction streaming, and PostgreSQL for financial data. SWIFT, ISO 20022, PSD2 Open Banking APIs, and FedNow and RTP payment rails are all supported.

Can you build neobank or challenger bank software?

Yes. Zoolatech builds neobank platforms from the ground up — mobile-first architecture, API-first design, BaaS integration, real-time payment rails, digital KYC/AML onboarding, and embedded finance capabilities. Traditional banks and fintech companies transitioning to neobanking models are supported through phased platform modernization with compliance requirements mapped from day one.

How long does banking software development take?

A focused banking module — a mobile banking app, KYC workflow, or payment gateway — typically takes 4 to 8 months. A full digital banking platform with core system integration, compliance validation, and cloud deployment runs 12 to 24 months. Core banking modernization programs for large institutions typically run 18 to 36 months. Zoolatech defines phased milestones in a structured discovery engagement before committing to a timeline.

What makes Zoolatech different from other banking software development companies?

The primary difference is compliance-first engineering — every banking system is designed for its regulatory environment from the architecture stage. Combined with 60% senior engineers, ISO 42001-governed AI, and a banking software development process that maps compliance obligations at discovery, Zoolatech operates as a long-term banking software development partner accountable for outcomes, not just delivery.

Do you provide banking software development services for banks outside the US?

Yes. Zoolatech delivers banking software development services for financial institutions across the US and Western Europe, with engineering teams in Poland, Ukraine, Mexico, and Turkey, providing time-zone-aligned capacity and familiarity with both US regulatory frameworks and EU requirements including PSD2, DORA, and GDPR.