dreamix fintech solutions hero - Custom Fintech & Financial Software Development
dreamix fintech solutions hero - Custom Fintech & Financial Software Development

Custom Financial Software Development for Banks, Insurers and Fintechs

We design, build and modernise secure financial platforms, from digital payments to compliance automation, with engineers and product owners with 20+ years of domain knowledge. 

  • They trust us

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Financial software built for growth, audits and regulators

Dreamix provides custom financial software development for banks, insurers, investment firms and fintech scale-ups across Europe and the US. Our financial services work includes web banking, financial reporting, accounting, and credit and cash expense platforms, for clients such as BNP Paribas and the Royal Bank of Scotland.


Since March 2024, Dreamix has been part of Synechron, a global consulting firm focused on financial services. You work with a focused engineering team in Sofia, backed by the domain depth of a financial services group.

Dreamix specialises in custom fintech software development services covering the end-to-end product lifecycle, backed up by AI-native engineering for 4x faster delivery and guaranteed:

  • Security
  • Scalability
  • Fast delivery
  • Easy maintenance
  • Seamless integration
  • Innovation

We’re here for you from day one with business domaine expertise shortening team onboarding time and support throughout the delivery process.

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What we build

Our FinTech capabilities

Our custom fintech software development services cover the full product lifecycle: discovery, architecture, delivery, integration and 24/7 support. Every team combines senior engineers, a product owner with financial services experience and QA from the first sprint.

01

Digital banking platforms

  • Web and mobile banking
  • account management portals
  • customer onboarding
  • Digital identity authentication
  • Third-party integrations
02

Transaction processing

  • Payment orchestration
  • Merchant portals
  • Real-time transfers and reconciliation
  • Event-driven architecture (EDA)
  • Intelligent Orchestration (AIEO)
03

Ongoing Financial Crime Monitoring

  • Perpetual KYC
  • Payments Monitoring
  • Payments Screening
  • Instant Payments Screening
  • SAR reports
  • Risk Assessment
04

Insurance platforms

  • Home & Motor, Personal Lines, Commercial
  • Life, Pensions, Annuities
  • Specialty Carriers, MGAs, Lloyd's Market
05

Data, AI and analytics

  • Enterprise data platforms
  • Regulatory reporting
  • fraud detection models
  • Custom AI agent development
  • Consulting
06

Cloud, DevOps and managed services

  • Cloud migration
  • CI/CD pipelines
  • Monitoring & observability
  • 24/7 managed support
07

APIs and integrations

  • Custom payment gateways
  • Core banking APIs
  • CRMs, accounting tools
  • Personal identity verification

Not sure where your platform fits?

Tell us the fintech problem you are solving. We will map it to the right engineering approach.

Talk to our FinTech team

 What custom financial software delivers for your business

Custom software earns its budget when it removes the costs and risks your current stack creates. These are the outcomes executives ask us for most often.

Lower costs

Automating reconciliations, manual reviews and hand-offs cuts the cost of every transaction and every customer.

Faster time to market

Modular architecture and automated release pipelines let you launch products, pricing and partner integrations in weeks.

Less technical debt

Technical debt stifles innovation because it drains engineering capacity on maintaining legacy code, increases system complexity and bug risks during changes, ultimately slowing down time-to-market for new features.

IP ownership.

You own the code and the final software product we develop for you. No licence or subscription fees that grow with your customer base.

Our expertise in custom financial software development

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fintech bg image 2 - Custom Fintech & Financial Software Development
  • Automating Data Processing for a Private Finance Firm

    Our partner is a private-sector financial software firm. Facing a growing volume of quarterly fund reports processed entirely by hand, they partnered with Dreamix to automate the extraction and transformation of complex financial data. The result: over 90% accuracy, parallel multi-fund processing, and the elimination of a resource-intensive manual workflow. The Story of our Partner […]

  • 76% Faster: Dreamix’s Agentic Engineering Workflow in Production

    Over the past year, we developed and refined a proprietary Agentic Engineering Workflow – a structured methodology for AI-assisted software delivery. To see what the technology can really do, we put it to a rigorous test. The results: 76% faster delivery, with no manual code written. The Background Most engineering teams today are using AI […]

  • Automating Asset-Backed Finance ETL for Insurance Giant 

    Our client, a major insurer managing asset-backed finance portfolios across 20+ banking partners, saw an opportunity to modernize their data consolidation processes. Credit line data arrived in different formats via email from multiple institutions, requiring significant manual processing. They partnered with us to build a comprehensive ETL system that automated data processing, improved accuracy, and […]

Tailor fintech solutions that drive growth and compliance with our software development services

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Custom software solutions

Develop custom fintech software solutions that can handle high volumes of data, regulatory compliance and complex workflows and meet your specific business domain needs.

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Third-party integrations

Enhance functionality by integrating with third-party systems such as payment gateways, CRMs, accounting and financial management tools, compliance and regulatory solutions, identity verification and authentication tools.

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Modernisation of legacy systems

Transform your outdated and sluggish legacy systems with efficient and modern technology. Our expert team will seamlessly migrate your systems to cloud infrastructure while ensuring full compliance with industry best practices.

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Cloud computing

Provide secure, scalable, and cost-effective solutions for data management and analysis. With our cloud-based services, you can easily expand your services, ensure data security, enhance accessibility, and drive innovation and growth for your fintech business.

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Web development

Deliver secure, user-friendly, and reliable platforms that provide seamless and secure access to financial services online. Add features such as user authentication, account management, payment processing, data analytics, security and compliance (such as KYC, AML regulations).

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Technology consultancy

Assess your existing technology infrastructure to identify gaps and opportunities for improvement. Then, based on your requirements and assessment, we design and develop a custom software solution. This may include the development of banking, payment processing, trading platforms and more.

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AI and machine learning

Our experienced team of developers can help you create custom software solutions to meet your unique business needs. We work with various technologies to develop robust, scalable, and secure software that helps you streamline your operations and achieve your goals.

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Data security

Stay compliant with strict privacy regulations thanks to robust security measures and protocols. We’ll prioritize protecting your data from breaches, mitigating cyber threats and keeping your operation up to date with the latest industry standards.

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Our iterative agile process

1

Define your product

2

Build the team & architecture

3

Develop the code

4

Test and QA

5

Release

6

DevOps and Live Support

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Who is custom financial software development good for?

Any business that deals with financial transactions or requires financial management can benefit from custom fintech software development:

Banks and financial institutions

to streamline their operations, such as payment processing, online banking, and customer relationship management.

Investment firms

to manage investment portfolios, automate investment processes, and conduct risk analysis

Insurance companies

to get help with claims management, underwriting, and fraud detection.

E-commerce companies

to process payments, manage transactions, and analyze sales data.

Startups and emerging businesses

to get help by creating innovative solutions that cater to their unique business needs, such as budgeting tools, payment processing, and financial planning.

Is custom financial software development right for you?

Why invest in custom financial software development

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Investing in custom financial software development can be a game-changer for your business, providing powerful tools to help you achieve your goals and stay ahead of the competition. 

Custom fintech solutions are:

  • Tailored to your specific business needs and requirements
  • Increase accuracy and reliability, reducing the risk of errors and improving data quality
  • Ensure robust security measures to protect your sensitive data and mitigate the risk of cyber attacks
  • Scalable and flexible to accommodate changes and growth in your business
  • Provide a competitive advantage over other companies in the fintech industry
  • Are cost-effective over the long-term, as a tailored solution can help to streamline operations and increase efficiency

FAQs regarding custom financial software development services:

Custom financial software development is the design and build of software for one institution’s products, processes and regulatory obligations. It covers customer platforms such as digital banking and payments, internal tools for risk and reporting, and the integrations that connect them.

Software development pricing depends on scope, integrations, regulatory requirements and team size. A focused MVP costs a fraction of a core platform replacement. We start with a fixed-scope discovery phase, then estimate the roadmap so you can approve budget in stages.

An MVP for a new fintech product and a custom build after that typically takes 12-24 weeks. Core platform modernisation runs in phases over a year or more, with each phase going live on its own. Discovery sets a realistic timeline before you commit the full budget.

We design security and compliance into the architecture from the first sprint: threat modelling, encryption, role-based access, audit trails and automated security testing. We map each product to the rules that apply, such as DORA, GDPR, KYC and AML, and document controls for your risk and audit teams.

Buy when the capability is standard and the vendor’s workflow fits. Build when it differentiates you, when integrations are complex, or when you need to respond to regulatory change on your own timeline. Many institutions combine a packaged core with custom customer-facing, data and compliance layers.

We work with both, from fintech scale-ups launching a regulated product to banks and insurers modernising large platforms. Most of our partners are established companies with complex systems and multi-year roadmaps.

Yes. You own the source code, documentation and intellectual property we create for you, so you stay free to bring work in-house or change partners.

Our teams provide DevOps, monitoring, 24/7 support with agreed service levels and continued development. Most of our client partnerships run for more than three years, and several have passed ten.

Elevate your fintech business with our custom financial software development services.