Engineering Tomorrow's Technology, today.
Rexallar designs and builds web, mobile, cloud and AI-powered products for startups and enterprises who need a dedicated engineering team that ships.
Full-cycle software services
From a single feature to a full product build, we cover every layer of the stack.
Web Development
Fast, scalable web apps built with modern frameworks and clean architecture.
Mobile Apps
Native and cross-platform apps for iOS and Android that feel effortless to use.
Cloud & DevOps
Resilient cloud infrastructure, CI/CD pipelines, and observability baked in.
AI & Machine Learning
Practical AI features — from LLM integrations to custom ML pipelines.
UI/UX Design
Research-driven design systems that make complex products feel simple.
Custom Software & SaaS
Multi-tenant platforms and internal tools tailored to your workflows.
QA & Testing
Automated and manual testing that keeps releases fast and reliable.
IT Consulting
Technical audits and roadmaps that de-risk your next big decision.
A team that builds like it's your own
We embed with your team, communicate constantly, and take ownership of outcomes — not just tickets.
Senior Engineers Only
No junior hand-offs. You work directly with experienced engineers from day one.
Agile by Default
Two-week sprints, weekly demos, and full visibility into progress at every stage.
Security First
Secure coding practices and infrastructure hardening built into every engagement.
Built to Scale
Architecture decisions made with your next 10x of growth in mind, not just launch day.
Long-Term Support
We stay on after launch — monitoring, iterating, and supporting your roadmap.
Case studies from recent builds
A snapshot of the products we've helped bring to life.
Real-time payments dashboard
Rebuilt a legacy reconciliation system into a real-time dashboard processing 2M+ transactions daily.
Read case study →Patient scheduling platform
Launched a HIPAA-compliant scheduling app used by 40+ clinics, cutting no-shows by 28%.
Read case study →Headless storefront migration
Migrated a monolithic storefront to a headless architecture, improving page speed by 3x.
Read case study →Tools we work with every day
What our clients say
"Rexallar felt like an extension of our own team. They shipped our MVP in 10 weeks and it hasn't needed a rewrite since."
"Communication was excellent throughout. Weekly demos meant zero surprises and full confidence in the roadmap."
"They rebuilt our infrastructure without a single hour of downtime. Genuinely senior engineers, start to finish."
Common questions
Most engagements kick off within 1-2 weeks of signing, depending on team availability and project scope.
Yes — roughly half of our clients are pre-seed to Series A startups building their first product.
Fixed-scope projects, dedicated team augmentation, and ongoing retainer support — whichever fits your stage.
Yes, we offer maintenance and iteration retainers so your product keeps improving after go-live.
We have deep experience in FinTech, HealthTech, e-commerce, and logistics, but our process adapts to any domain.