Upgrade without disruption
We help companies modernize outdated systems and move to secure, scalable platforms — while keeping operations running
What legacy modernization means at Wise
We respect the value of what your team has already built. Our role is to extend its lifespan, remove constraints, and enable future growth.
Our approach minimizes risk, avoids downtime, and focuses on creating long-term value for both product and engineering teams.
Who this service is for
This service is a strong fit for organizations that want to:
- Improve performance, maintainability, or developer productivity
- Reduce operational or hosting costs
- Introduce modern tooling, workflows, and CI/CD
- Transition gradually from an older codebase to a modern architecture
- Enable their team to work faster and ship features more safely
- Move away from technologies that are hard to maintain or hire for
What we deliver
Complete legacy platform migration
- Replatforming outdated systems to modern JS/TS (Node.js, NestJS, React, Next.js)
- Migration from monoliths to modular or service-based architectures
- Transitioning old tech (PHP, Ruby, .NET, Java, legacy JS frameworks) to modern stacks
- Cloud migration (AWS / GCP / Azure)
- Database restructuring and schema modernization
- Migration from custom legacy tools to open-source, well-supported frameworks
Architecture redesign
- Creating modern, scalable architecture plans
- Introducing modularity and separation of concerns
- Designing cloud-native and event-driven systems
- Improving reliability and uptime
- Establishing clearer internal system boundaries
- Improve delivery by redesigning development and delivery processes
- Improve systems stability by identifying and mitigating bottlenecks
Frontend & UX Modernization
- Rebuilding outdated frontends in React/Next.js
- Improving loading speed, responsiveness, and accessibility
- Introducing modern design systems and UI frameworks
- Optimization for Core Web Vitals
Code audit & Modernization roadmap
- Deep analysis of the existing codebase
- Infrastructure and deployment review
- Identification of tech debt and structural risks
- A clear 3–6 month modernization roadmap
- Cost analysis and recommended priorities
Smooth, incremental migration execution
- Zero-downtime or minimal-downtime strategies
- Automated data migration and rollback plans
- Parallel environments for safe rollout
- Full test coverage and QA automation
- Monitoring and observability setup
Why Wise
20 years of engineering expertise
We’ve modernized platforms across industries and technology eras.
We’ve scaled startups into large platforms
We understand both the early-stage and enterprise challenges of modernization.
High retention = experienced teams
10+ years of tenure means continuity, not turnover.
We’ve built our own products
Our insights come from experience, not theory.
Safe, predictable migration strategies
Our methods minimize risk and ensure operations stay stable.
Strong mentoring culture
Senior-led teams deliver long-term consistency and knowledge transfer.
Problems we solve
Business needs we address
- Improving scalability without rebuilding the whole system
- Reducing maintenance and hosting costs
- Enabling faster delivery and product iteration
- Better visibility and quality across engineering
- Ensuring long-term stability and security
Technical pain points we commonly resolve
- Monolithic codebases that are difficult to extend
- Outdated frameworks or unsupported libraries
- Poor performance or unreliable deployments
- Lack of CI/CD or automated testing
- Hard-to-maintain infrastructure or configurations
Our project journey
Gain clear insights, reduce friction, and maintain high engineering standards as your teams scale
Case studies
Modernizing a high-traffic marketplace
- “Lift and shift” migration from dedicated servers to AWS
- Fractional refactoring to a new tech stack and SOA
- Improved performance by 40%
- Reduced hosting cost by 60%
- Achieved zero downtime during migration
Replatforming a large community product
- Migrated from legacy monolith to modular Node.js
- Enabled rapid feature development
- Increased reliability under peak traffic
- Decreased infrastructure costs 3x
Tech stack & tools
