Fintech Application in Niš
Niš is the city in southern Serbia, home to around 183,000 people. For Niš businesses investing in fintech application, the details matter: fintech products fail on trust, not features. Balances must reconcile to the cent, every state change must be auditable, and onboarding has to satisfy compliance without losing half your applicants. We start with the ledger, the audit trail and the compliance workflow, then build the experience on top.
Quick answer
Who provides Fintech Application services in Niš?
Hurain Technologies provides fintech application for companies in Niš, Serbia: 24/7 support in Niš time, milestone-based delivery with sign-off at every stage, and builds that support Cards & Apple/Google Pay and SEPA or local bank transfers and local data-protection rules.
Overview
Fintech Application for Niš businesses
Fintech products serving Serbia typically engage with the national financial regulator. We build the ledger, KYC/AML and audit controls that licensing reviews expect, integrate local rails such as Cards & Apple/Google Pay, SEPA or local bank transfers and PayPal, and process personal data under the local data-protection framework. Your legal counsel sets the licence model; we engineer to it.
Our engineering team works remotely from India for Niš clients — india (ist) is 3h 30m ahead — with one project manager as your single point of contact, fortnightly demos and full source-code ownership from day one.
We have built payment gateways, wallets, crypto rails and banking integrations for regulated businesses, and we engineer the technical controls licensing reviews expect — segregation of duties, maker-checker approvals, immutable logs and data-residency options.
We are engineers, not lawyers: we build to the requirements your compliance counsel sets and help translate them into systems your auditors can verify.
Why fintech application matters in Niš
- Niš businesses compete for customers who compare them against the best digital experiences in Serbia and abroad.
- Customers in Niš pay with Cards & Apple/Google Pay, SEPA or local bank transfers and PayPal, so local payment integration is not optional.
- A focused local market rewards products tailored to how Niš customers actually buy and communicate.
What we build
Fintech Application features we deliver in Niš
Fintech products fail on trust, not features. Balances must reconcile to the cent, every state change must be auditable, and onboarding has to satisfy compliance without losing half your applicants. We start with the ledger, the audit trail and the compliance workflow, then build the experience on top.
Double-entry ledger
Immutable, reconcilable ledger for balances, fees, holds and reversals.
KYC / KYB / AML
Document and liveness checks, sanctions/PEP screening and ongoing transaction monitoring.
Payments & transfers
Card issuing, local instant-payment rails, payouts and cross-border transfers.
Lending engine
Applications, credit scoring, disbursement, repayment schedules and collections.
Fraud & risk controls
Velocity rules, device fingerprinting and ML risk scores with case management.
Regulatory reporting
Audit logs, maker-checker approvals and exports for regulators and auditors.
Common fintech application projects in Niš
Digital wallets
Top-up, P2P transfers, bill payments and merchant QR payments.
Digital lending
BNPL, micro-loans and SME credit with automated decisioning.
Neobank & card programmes
Accounts, cards and spending controls on top of a banking-as-a-service partner.
Remittance
Cross-border transfers with FX quotes, corridor compliance and payout partners.
Localised for your market
What a fintech application project in Niš must get right
Currency, tax, payments, data protection and language — built into the product from the first sprint.
24/7 support in Niš
Niš is on UTC+2 (Europe/Belgrade). Our team works 24/7, so every Niš business hour — and any out-of-hours incident — is covered.
Payments & currency
Pricing and settlement in RSD with Cards & Apple/Google Pay, SEPA or local bank transfers and PayPal, reconciled automatically against your PSP and bank statements.
Tax & invoicing
Receipts, invoices and reports are built with configurable tax rules for Serbia.
Data protection
Customer data from Niš is handled under Serbia's data-protection rules: consent records, encryption, access logs and in-region hosting where required.
Cost & timeline
How much does fintech application cost in Niš?
Cost depends on licence model (own licence vs partner bank), kYC/AML vendor choice and checks per user and number of payment rails and partners. Niš companies working with our India-based team typically pay considerably less than local agency rates for the same seniority. Share your requirements and we return a fixed-scope estimate within 5 business days.
What drives the price
- Licence model (own licence vs partner bank)
- KYC/AML vendor choice and checks per user
- Number of payment rails and partners
- Ledger complexity (multi-currency, holds, fees)
- Security certifications (PCI DSS, ISO 27001, SOC 2)
- Data-residency requirements
How long does it take?
Delivery time is agreed around your scope — after discovery you get a milestone plan tailored to your requirements, integrations and how quickly decisions are made on your side. Discovery can begin within 5 business days of a signed proposal.
Our delivery process
- 1
Regulatory & product discovery
Licence model, partner banks, compliance requirements and core flows.
- 2
Architecture & security design
Ledger design, threat model, data residency and integration plan.
- 3
Core build
Onboarding, ledger, payments and admin controls built and tested.
- 4
Security & compliance testing
Penetration test, reconciliation tests and audit-trail review.
- 5
Controlled launch
Limited user rollout, monitoring and regulator-ready reporting.
Delivery
Working with Hurain Technologies from Niš
24/7 availability & communication
Our team works 24/7, so stand-ups, demos and urgent fixes happen during your Niš business day (UTC+2), and work keeps progressing while you are offline. Everyday collaboration runs on Slack or Microsoft Teams, Jira and GitHub, with a demo of working software every two weeks.
Kick-off & delivery timeline
Discovery can start within 5 business days of a signed proposal. Milestones and delivery time are then agreed around your requirements, and every milestone ends with your written sign-off.
Response times after launch
Response times are written into a support SLA before launch: our team is available 24/7, critical production issues get immediate attention from an on-call engineer, and routine tickets are handled around the clock.
Meetings & site visits
Most engagements run fully remote over video. Workshops and go-live visits to Niš can be arranged for larger programmes.
Technology we use
Core
- Java / Kotlin
- Go
- Node.js
- PostgreSQL
Security
- HSM / KMS
- Vault
- mTLS
- WAF
Integrations
- Open Banking APIs
- Card issuing (BaaS)
- KYC vendors
- Instant-payment rails
Apps
- Flutter
- React Native
- Next.js back-office
Standards we build to
- AML/CFT and sanctions screening
- PCI DSS for card data
- Data-protection and data-residency rules
- Regulator audit and reporting expectations
How we work
How we deliver Fintech Application in Niš, Serbia
Every fintech application engagement in Niš, Serbia follows the same staged, quality-gated process — shaped around your requirements and Niš's market. You see progress every day, review it every week, and give written sign-off at every milestone before any payment is due.
- 01
Discover
Quality gate- Payment-flow workshops
- PSP & rail selection
- Compliance scoping (PCI DSS)
- Signed scope
- 02
Design
Quality gate- Orchestration architecture
- Ledger & reconciliation model
- Tokenisation design
- Fraud-rule design
- 03
Build
Quality gate- PSP adapter sprints
- Idempotent payment APIs
- Settlement & refunds
- Demo every sprint
- 04
Secure & Test
Quality gate- PCI DSS scope review
- Reconciliation tests
- Failover & retry tests
- UAT with real flows
- 05
Deploy
Quality gate- Staged traffic routing
- Live PSP credentials
- Monitoring & alerts
- Go-live checklist
- 06
Handover
Quality gate- Role-based sessions
- Recorded walkthroughs
- Admin & ops runbooks
- Documentation handover
- 07
Support
Quality gate- Dedicated engineer
- SLA helpdesk
- Patches & upgrades
- Quarterly reviews
Client sign-off at every milestone — you approve the working result before you pay.
You always know what was done today — and what happens next
With about 6.5 shared working hours a day between Niš and our team in India, questions are answered the same day and your update is waiting for you at around 3:30 PM.
Every working day, around 3:30 PM Niš time
- What was completed today
- What is planned for tomorrow
- Blockers and decisions needed from you
- Links to builds you can try
Every Friday, with a live call in your business hours
- Features completed and demo recordings
- Progress against the current milestone
- Risks, open questions and change requests
- Plan and priorities for next week
End of every sprint and milestone
- Working software demonstrated live
- Your feedback captured in the backlog
- Quality-gate checklist shared
- Written sign-off before any payment
What we build in for Niš
Local requirements are part of the scope from the Discover stage — not retrofitted before launch.
Local payments
Cards & Apple/Google Pay, SEPA or local bank transfers, PayPal — integrated and tested as part of the build.
Language & currency
Serbian interfaces and content, RSD pricing, invoices and number formats.
Time zone
Niš is on UTC+2; India (IST) is 3h 30m ahead. Calls, demos and sign-offs are scheduled in your business hours.
Payment plan
Pay only for work you have accepted
Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan:
| Payment | Milestone & acceptance | Share |
|---|---|---|
| Advance | Contract signing Signed contract; payment-flow workshops and PCI DSS scoping. | 10% |
| Milestone 1 | Architecture approved Orchestration, ledger and reconciliation design signed off. | 15% |
| Milestone 2 | First rail live in sandbox Payment APIs, ledger and first PSP connector working. | 15% |
| Milestone 3 | All rails connected Remaining PSPs, refunds and settlement working in staging. | 15% |
| Milestone 4 | Certification & tests PCI DSS scope review, failover and reconciliation tests passed. | 15% |
| Milestone 5 | UAT sign-off Real payment flows accepted by your team. | 15% |
| Milestone 6 | Live traffic & handover Staged production routing, monitoring and ops handover. | 15% |
| Total | 100% | |
- Number of milestones and splits set around your scope
- Every milestone is a working, demonstrated result
- No payment is due until you sign off
Warranty & annual support
Protected after launch — warranty and annual support for your Fintech Application project in Niš, Serbia
Go-live is where your fintech application product starts earning — so we stay accountable for it. Every project includes a free 90-day defect warranty. After that, the same team that built it keeps it secure, updated and running in Niš business hours on a fixed annual fee agreed up front — no open-ended hourly billing, no surprise invoices.
Included free
90-day warranty
Any defect found in the first 90 days after go-live is fixed free of charge.
- Every delivered feature covered
- Fixes tested and deployed to production
- Same engineers who built it
Fixed-cost annual package
30% of project cost
per year for Annual Support & Maintenance, with a dedicated developer assigned to your fintech application platform. A fixed price, known in advance.
| Service | Included in the annual package |
|---|---|
| Dedicated developer | One named developer assigned to your product for fixes, enhancements and optimisation. |
| Bug fixes & security patches | Critical issues resolved within 24 hours; standard issues within 5 business days. |
| Upgrades & new releases | Framework, library and platform updates plus new versions of what we built, at no additional cost. |
| Helpdesk | Email and phone support for your team and administrators; 4-hour response for critical issues. |
| Backup monitoring | Daily backup checks and a quarterly restore test. |
| Security review | Periodic audit-trail review and security configuration check. |
| PSP & scheme changes | Provider API versions, card-scheme and 3-D Secure changes applied before their deadlines. |
| Reconciliation checks | Settlement and reconciliation exceptions reviewed and resolved every day. |
| Niš business-hours coverage | Helpdesk, calls and planned maintenance scheduled around Niš business hours (UTC+2); critical issues escalated immediately. |
Source code & IP ownership
100% of the source code and IP is owned by you
For every custom fintech application project in Niš, Serbia, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.
- Payment orchestration, ledger and admin source code
- PSP merchant accounts and credentials in your name
- Reconciliation rules and ops runbooks
- Complete Git repository with full commit history
- Database schemas, migrations and seed data
- Configuration, CI/CD and deployment scripts
- API documentation and a deployment guide
No lock-in
No forced upgrades
No subscription trap
Your code lives in your own repository from the first commit.
Continuous enhancement
Launch is just the beginning — keep shipping with your own dedicated team
Your fintech application platform should get better every month, not stand still after go-live. Start with one dedicated developer working on your priorities across apps, dashboards and backend — and grow to a full team of developers and support members whenever your roadmap demands it.
Dedicated team, your way
From one developer to a full team
Pricing is based on the team members you need — tell us your requirements and we will quote your team.
- Start any time after launch
- Hire developers as you need them
- Scale up, scale down or pause
What your team can take on after launch
- New wallets, BNPL and local payment methods
- Checkout conversion improvements
- Merchant dashboards and settlement reports
- New PSPs, payment methods and currencies
- Smarter routing and fraud rules
- New reports, payouts and reconciliation automation
Need more hands? Add developers and support members as your requirements grow
Start with one person and add only the roles your fintech application roadmap needs — each is quoted to your requirements.
Development team
Payments backend developer
Adds payment methods, routing rules and ledger features.
Integration engineer
Connects new PSPs, banks, acquirers and third-party APIs.
Frontend developer
Builds and refines the web screens and dashboards your users see.
QA engineer
Writes and runs manual and automated tests before every release.
DevOps engineer
Keeps pipelines, environments and deployments fast and reliable.
Support team
L1 helpdesk support executive
First contact for your users and staff — logs, triages and resolves common issues.
L2 technical support engineer
Investigates bugs, data issues and integrations, and escalates to developers with full context.
Merchant support executive
Helps merchants with onboarding, payments and settlements.
Payment operations support
Resolves failed payments, refunds and payout issues.
Reconciliation & disputes support
Handles settlement breaks, chargebacks and disputes.
Our Approach
Our approach to development methodologies
Our approach to custom software engineering draws on a range of methodologies, each selected to match the needs of your fintech application project and your team in Niš, Serbia.
Agile Scrum
Best for: Evolving products
Two-week sprints with a working demo at the end of each, so fintech application priorities can change as you learn from users.
Kanban
Best for: Continuous delivery & support
A visual flow of small tasks with work-in-progress limits — ideal for maintenance, integrations and post-launch improvements.
Fixed-scope (Waterfall-style)
Best for: Well-specified builds
Requirements signed off up front with a fixed timeline and price — best when scope is clear and change is unlikely.
Lean MVP
Best for: New ventures
Build the smallest fintech application release that proves demand, measure it with real users, then invest where the data points.
DevOps & CI/CD
Best for: Every project
Automated tests, infrastructure-as-code and push-button deployments so releases are frequent, reversible and boring.
Security-by-design (DevSecOps)
Best for: Regulated & high-value systems
Threat modelling, dependency scanning and code review built into each sprint rather than a pen test at the end.
Why we're different
What sets Hurain Technologies apart for Serbia businesses
Plenty of agencies can build fintech application. Here is what sets us apart for clients in Niš, Serbia.
Engineering depth, not a reseller
Your fintech application project is designed and built by our own in-house engineers — no hidden subcontracting chain between you and the people writing code.
Built for Serbia, not copied from elsewhere
Payments, tax, language and data-protection requirements for Serbia are part of the design from day one instead of retrofitted after launch.
Transparent, senior-led delivery
A named project lead, a shared backlog, fortnightly demos and direct Slack access to the engineers — you always know what is being built and why.
Cost advantage without cutting corners
Delivering from India gives clients in Niš, Serbia senior engineering at a fraction of typical onshore agency rates, with the same code-review, testing and security standards.
You own everything
Source code lives in your repository from the first commit; IP, infrastructure accounts and documentation transfer to you in full.
We stay after launch
Monitoring, updates and a support SLA mean the team that built your product is the team that keeps it running.
Flexible engagement models
How we work with businesses in Niš, Serbia
Ways to work together, depending on how your team and roadmap are set up.
Dedicated Development Team
An extended team of fintech application engineers, QA and architects working exclusively on your product, managed day-to-day by you with our engineering leadership behind them.
Best for: Long-term products and evolving roadmaps
Fixed-Cost Delivery
A clearly scoped fintech application build with a defined timeline and price — ideal for a well-specified MVP, integration or launch product.
Best for: MVPs and clearly defined projects
Hybrid Engagement
Keep product and regulatory decisions close to your Serbia team while our specialists handle deep engineering remotely, with workshops or on-site visits at key milestones.
Best for: Enterprises and regulated businesses
Why businesses choose us
Why businesses choose Hurain Technologies
16+ years of engineering depth
Custom software engineering with in-house teams across web, mobile, cloud, AI, payments and blockchain.
Security-first by default
Encryption, least-privilege access, audit logs — and MPC/HSM custody and audited smart contracts where money is on-chain — designed in, not retrofitted.
Regulatory-aware architecture
Designed with Serbia's regulatory direction in mind and built alongside your licensed local legal counsel.
Direct access, no layers
Direct Slack or Teams access to your development team during the build, and the same people for post-launch support.
Business benefits
What you gain in Serbia
Faster time to market
An experienced fintech application team with proven components means your first release ships in weeks, not quarters.
Security-first architecture
Secure from day one, rather than patched after an audit or incident.
Aligned compliance groundwork
Controls, logs and data handling built around Serbia's requirements so reviews go faster.
Lower total cost of ownership
Clean, documented, tested code that your own team can maintain — plus post-launch monitoring and support.
FAQ
Fintech Application in Niš: frequently asked questions
Do you have developers available for Niš projects?
How much does fintech application cost in Niš?
How long does it take to build a fintech application solution for a Niš business?
Can you meet us in Niš?
Which payment methods will the product support in Niš?
Do we need a licence to launch a fintech app?
How do you keep balances accurate?
Fintech Application in other Serbia cities
Other solutions we deliver in Niš
Planning a fintech application project in Niš?
Tell us what you're building. You'll get a scoped plan, timeline and fixed estimate within 5 business days.