Fintech products built for trust and scale
Newer tools change quickly, so it helps to work with someone who has already shipped the pattern you are buying.
We prototype the risky integration first, then sort out auth, data contracts, evaluation, and monitoring before spending time on polish.
We work best with fintech startups and financial product teams who want a partner that ships. Secure fintech software development covering dashboards, payments, compliance-minded architecture, and AI-assisted workflows.
What you get
- Payment and billing systems
- Secure auth and audit trails
- Admin and customer portals
- API-first product platforms
- Documented handover and runbooks
- Help getting it deployed
How engagement works
Projects are shaped around fintech startups and financial product teams, so scope stays realistic, the first release comes quickly, and there is room to improve without a rewrite.
- 01
Discover
Goals, constraints, data sources, and success metrics, all settled before we touch architecture or prompts. You see progress on the critical path every week.
- 02
Design
System design, AI/tool boundaries, interface direction, and interaction prototypes. Nothing here waits on a handover between separate teams.
- 03
Build
Modern stack, clean architecture, evaluated AI behavior, and iterative demos you can react to. On fintech software development projects we favour practical architecture over trendy defaults.
- 04
Launch
Ship, monitor, harden, and keep improving models, tools, and product after go-live. The work for teams in Toronto stays tied to the outcome you asked for.
How we build it, and why
The stack is chosen per project, not applied from a template. For fintech software development work these are the defaults, and the reason each one is on the list.
- Next.js
- server rendering and static generation in one framework, so marketing pages stay fast and app routes stay dynamic
- NestJS
- structure and dependency injection on the backend, which keeps a growing API from turning into a pile of route handlers
- PostgreSQL
- relational integrity for data you cannot afford to get wrong
- Stripe
- payments, subscriptions, and the tax and invoicing edge cases you do not want to build
- AWS
- the services you grow into, once a managed platform stops being enough
What the first weeks look like
- Week 1
Spike the risky part
We build the thinnest possible version of payment and billing systems against your real data. If it is going to be a problem, it is better to know in week one than week six.
- Weeks 2-3
Harden the integration
Auth, rate limits, error paths, and the data contract. This is the work that separates a demo from something you can leave running.
- Weeks 4-6
Wire it into the product
The fintech software development stops being a standalone service and becomes a feature people use, with the interface and permissions that implies.
- Ongoing
Evaluate and tune
Behaviour gets measured against cases you care about, and we tune from that rather than from impressions.
Weighing up your options
There are three realistic ways to get this built. Each is the right answer for someone.
A solo freelancer
Cheapest per hour and fine for a contained task. The risk on fintech software development is breadth — one person covering design, backend, infrastructure, and launch usually means one of them is weak, and there is no cover when they are unavailable.
A local agency in Toronto
Same timezone and a face to meet, which genuinely matters for some teams. You are also paying Toronto startups seeking remote product delivery partners. rates for the whole team including the layers that never touch your fintech software development, and a local shortlist is a small shortlist.
Arcode
A small senior team. The people who scope the fintech software development write the code, you get weekly demos instead of status decks, and the engagement ends when the thing is live and handed over.
Work we have shipped
Horizan Labs
Frontend · Internship
Marketing website contribution during the Arsol internship, focused on responsive UI and frontend delivery.
Early-career site work at Arsol using React, Next.js, and Tailwind to help ship the Horizan Labs web presence with the team.
- · Responsive marketing pages
- · Team-based frontend delivery
- · Modern React/Next stack
- · UI performance and accessibility focus
React · Next.js · Tailwind · MySQL
Case Management Hub
Full-stack engineer · NestJS · Next.js
HIPAA-compliant healthcare SaaS for 150+ US organizations, with dual databases, realtime collaboration, billing, and secure client portals.
Enterprise case management platform for healthcare and social-work organizations with encryption, realtime messaging, Stripe billing, Zoom, and calendar sync.
- · HIPAA-ready architecture with encryption and audit logging
- · Realtime collaboration via Socket.io + Redis
- · Client portal and role-based access control
- · Stripe billing and document workflows
Next.js · NestJS · TypeScript · MongoDB · Redis · Socket.io
Circlin Waitlist
Lead frontend · Next.js 15
Multilingual waitlist and referral product for a secondhand fashion brand, covering localization, analytics, and growth loops.
Waitlist experience with EN/DE localization, referral tiers, MDX blog, and analytics for Circlin.
- · EN/DE internationalization
- · Referral reward tiers
- · MDX blog and SEO content
- · Analytics and cookie consent
Next.js 15 · TypeScript · Tailwind · MDX · React 19
Working with teams in Toronto
Toronto startups seeking remote product delivery partners. We work with clients in Toronto remotely and keep overlapping hours in EST/EDT. We usually collaborate in English.
How we work with Toronto teams
Toronto is on ET, giving us an afternoon-to-morning overlap. That supports a daily call window plus asynchronous updates for everything that does not need one.
What Toronto clients usually need
Toronto briefs are mostly B2B SaaS and internal platforms, often from teams with product sense but no in-house engineering capacity to build what they have specified.
Contracts, data, and compliance
We invoice in CAD or USD. PIPEDA obligations and Canadian data residency come up regularly, so we confirm hosting regions and data flows before writing code.
