01
Custom Software Development
Web platforms, internal tools, and data-heavy applications built with a senior team and a long view.
AI Engineering · Custom Software · Applied AI
We ship the software and the AI that runs inside it.
Nexl Solutions is an AI-driven software agency. We build custom products end to end and fine-tune the models that power them, trained on your data, wired into your workflow, and engineered to stay in production.
Tech stack expertise
The tools we reach for.
A pragmatic stack: proven runtimes for the product, modern ML tooling for the models, boring infrastructure to hold it together.
TypeScript
Python
Node.js
Bun
React
Next.js
Remix
Astro
SvelteKit
TanStack
Vite
Tailwind CSS
PostgreSQL
Prisma
Drizzle
tRPC
Redis
Supabase
PyTorch
TensorFlow
Hugging Face
OpenAI
Anthropic
LangChain
Docker
Kubernetes
AWS
Vercel
CloudflareTypeScriptPythonNode.jsBunReactNext.jsRemixAstroSvelteKitTanStackViteTailwind CSSPostgreSQLPrismaDrizzletRPCRedisSupabasePyTorchTensorFlowHugging FaceOpenAIAnthropicLangChainDockerKubernetesAWSVercelCloudflareThe gap we fill
Most agencies build software or bolt on generic AI. We do both, properly.
A chatbot dropped onto a landing page isn't an AI strategy. Real value shows up when models are tuned to your data, wired into your product, and running behind software that was built to hold them. That's the whole job, and we ship it end to end.
One team, whole stack
Product, backend, ML, infra. No handoffs to a second vendor.
Models tuned to you
Fine-tuned on your data and workflow, not a generic prompt.
Built to keep running
Evaluations, guardrails, and observability from day one.
Services
What we build for you.
Every engagement is scoped to the actual outcome you need, not a generic package.
02
AI Model Fine-Tuning & Integration
Domain-specific fine-tunes, retrieval pipelines, and evaluations wired into the product where they matter.
03
AI-Powered Product Features
Copilots, assistants, and internal tools that ship as first-class product surfaces, not sidecar chat widgets.
04
Systems Integration
APIs, data pipelines, and event flows that make new AI systems play nicely with the stack you already run.
Not sure which service fits your problem? Let's figure it out together.
TypeScriptPythonNode.jsBunReactNext.jsRemixAstroSvelteKitTanStackViteTailwind CSSPostgreSQLPrismaDrizzletRPCRedisSupabasePyTorchTensorFlowHugging FaceOpenAIAnthropicLangChainDockerKubernetesAWSVercelCloudflareTypeScriptPythonNode.jsBunReactNext.jsRemixAstroSvelteKitTanStackViteTailwind CSSPostgreSQLPrismaDrizzletRPCRedisSupabasePyTorchTensorFlowHugging FaceOpenAIAnthropicLangChainDockerKubernetesAWSVercelCloudflareHow we work
A senior team, five clear steps.
No mystery sprints, no bloated discovery. We move quickly because the path from problem to production is well-worn.
- 01
Discover
We map the workflow, the data, and where AI can plausibly move the needle, and where it can't.
- 02
Architect
System design, model choices, evaluation plan, and the boring-but-critical infra decisions.
- 03
Build & Fine-Tune
Ship software and tuned models in parallel, in short iterations, against real evaluations.
- 04
Integrate
Plug into your existing stack: auth, data, tooling, ops, cleanly enough that your team can own it.
- 05
Support
We stay on to monitor, iterate, and re-train as your data, product, and models keep moving.
Ready to kick off with Step 1?
Why Nexl Solutions
What actually makes the difference.
Domain-specific fine-tuning
We train on your data and taxonomy, not a generic system prompt wrapped around GPT.
Full-stack build capability
One team ships the model, the API, the frontend, and the infra. Nothing gets lost between vendors.
Evaluations, not vibes
Every model change ships with metrics you can defend to your board and your legal team.
Ongoing partnership
We stick around after launch. Models drift, products evolve, and someone has to own that.
Convinced? Let's talk about your project.
TypeScriptPythonNode.jsBunReactNext.jsRemixAstroSvelteKitTanStackViteTailwind CSSPostgreSQLPrismaDrizzletRPCRedisSupabasePyTorchTensorFlowHugging FaceOpenAIAnthropicLangChainDockerKubernetesAWSVercelCloudflareTypeScriptPythonNode.jsBunReactNext.jsRemixAstroSvelteKitTanStackViteTailwind CSSPostgreSQLPrismaDrizzletRPCRedisSupabasePyTorchTensorFlowHugging FaceOpenAIAnthropicLangChainDockerKubernetesAWSVercelCloudflareSelected work
A few projects we've shipped.
Short reads: one problem, one system, one outcome.
AI copilot
Freight logistics platform
Ops teams drowning in tender emails and quote requests.
Fine-tuned assistant now drafts 78% of quotes in under a minute.
Read the case
Applied AI system
Specialty healthcare network
Referral triage taking days across five clinics.
Structured intake pipeline cut time-to-decision by 4×.
Read the case
Platform build
B2B fintech scale-up
Legacy monolith blocking a new AI-driven risk product.
Rebuilt the platform and shipped the risk model in 14 weeks.
Read the case
See something that resonates? Let's build yours.
Let's talk
Have a build in mind? Bring us the messy version.
30-minute intro call. No slides, no pitch. You describe the problem, we tell you honestly whether we're the right team and what a first step would look like.