Legacy Systems Modernization Without Business Disruption
Sphere helps you modernize the systems holding you back, in controlled phases, with AI-accelerated analysis and zero downtime. You keep running. We fix the foundation.
Trusted by leading brands and startups
Financial Services, Healthcare, Manufacturing, Insurance, and Logistics
Your Legacy Platform Is Costing You More Than You Think
Technology debt compounds quietly. By the time leadership feels it, it’s embedded in every process. Here are the six signs we see most often.
1. Maintenance is eating your IT budget
Gartner estimates that 70–80% of enterprise IT budgets go to maintaining existing systems rather than building new capability. That’s not a technology problem. It’s a growth problem.
2. You can’t find developers who know the stack
Every year, the pool of engineers who can work on legacy environments shrinks. The ones who built these systems are retiring. Institutional knowledge walks out the door and doesn’t come back.
3. Every release is a risk event
66% of large software projects fail or significantly overrun. The root cause in most cases is legacy systems so tightly coupled that no change is safe without months of regression testing.
4. You can’t integrate with modern tools
Companies with modern, API-first architectures launch new products 20–40% faster than those running on monolithic platforms. Legacy systems slow every decision that depends on data.
5. Incidents are slow and hard to trace
When logic is scattered across decades of undocumented code, a single outage becomes a forensic exercise. Every hour engineers spend on firefighting is an hour they’re not building.
6. Compliance and security debt is mounting
Unpatched dependencies, missing audit trails, hardcoded credentials… Legacy systems accumulate regulatory exposure faster than it can be managed manually.
Talk to us about your Platform Modernization challenges
Legacy Modernization Services from Sphere
We adapt to where you are. If you need clarity before committing, we start with an assessment. If you’re ready to move, we go straight into delivery. Both paths are designed to produce value fast, keeping your business running throughout.
START HERE
Modernization Assessment
A fast, structured engagement that gives your leadership team a complete, evidence-based picture of your technical estate. We provide clear recommendations and numbers attached.
- AI-powered scan of your full codebase and application portfolio
- Risk and business-value score for every major component
- Sequenced modernization backlog with ROI and cost projections
- Recommended phasing plan tailored to your risk tolerance
- Delivered in 2–3 weeks, no long commitments required
- Most clients say it’s the clearest view of their systems they’ve ever had
FULL DELIVERY
Platform Modernization
End-to-end modernization delivered in phases. Your first production improvements will be live in 6–8 weeks. The main benefits: your systems stay online while your team learns as we build.
- Phased delivery – value ships from week six, not month eighteen
- Zero-downtime architecture: legacy and modern run in parallel throughout
- Full-stack in-house teams: backend, infra, data, and security
- AI-accelerated refactoring across any language or framework
- Knowledge transfer built into every phase – your team owns the outcome
- FinOps guardrails keep cloud costs predictable as you scale
Our 4-Phase Legacy Modernization Framework
Every engagement follows the same proven structure. Phases overlap where it makes sense, and each one ends with a clear deliverable – not just progress updates.
Phase 1 – Rapid Assessment (2-3 weeks)
AI-powered code analysis maps your entire codebase in days. Every module scored by business risk, integration complexity, and revenue impact – so you know exactly where to start.
Phase 2 – Strategic Roadmap (1 week)
Accelerator-based delivery aligned to complexity tiers, not open-ended builds.
Phase 3 – Iterative Modernization (phased delivery)
Working improvements ship in 6–8 weeks. Each phase wraps legacy components in tests, upgrades dependencies, and closes security gaps – while your systems stay live.
Phase 4 – Continuous Optimization (ongoing)
AI-assisted monitoring tracks performance, deployment health, and cost after go-live. Your team gets knowledge transfer at every stage, so you own the system when we’re done.
What We Modernize
Every engagement follows the same proven structure. Phases overlap where it makes sense, and each one ends with a clear deliverable – not just progress updates.
Legacy Platforms
COBOL and AS/400 (IBM iSeries) business applications
.NET Framework (1.x–4.x) monoliths and WCF services
Visual Basic 6 and classic ASP applications
Oracle Forms and PL/SQL-heavy systems
Java EE / J2EE enterprise applications
PHP monoliths and aging CMS-based platforms
On-premise data warehouses and ETL pipelines
Target Modern Stacks
Cloud-native architecture on AWS, Azure, and GCP
Containerized microservices with Kubernetes orchestration
Event-driven architecture with Kafka and managed streaming
Modern .NET (6/8), Node.js, React front-end layers
AI/ML inference pipelines and governed feature stores
CI/CD pipelines and DevSecOps toolchains
What Makes Us Different
AI-Accelerated Analysis
Our tooling analyzes legacy codebases 10x faster than manual review. You get a clear, prioritized risk picture in weeks, not months, before a single line of code changes.
Business-First Prioritization
We sequence work by revenue impact, not just technical debt score. The modules that carry the most business risk – and the most opportunity – get addressed first.
Zero-Downtime Delivery
Changes roll out under full production load. No big-bang cutovers, no maintenance windows. Your users and your team keep working throughout the entire engagement.
Full-Stack, In-House Teams
Backend, infrastructure, data, and security engineers on every project. No offshore subcontracting, no third-party dependencies. One accountable team end to end.
Knowledge Transfer at Every Stage
We pair with your engineers as we build, document what we find, and train your team on the modern stack. When we leave, you own the system – and you understand it.
Transparent Cost Controls
FinOps guardrails are built into our cloud delivery model. Clients consistently see run-rate cloud spend fall 25–40% after containerization, with auto-scaling tuned for actual workload patterns.
Talk to us about your Platform Modernization challenges
Streamlining IT Operations with Salesforce–monday.com Integration
Sphere replaced spreadsheet-based IT management at Network Services Distribution with a unified Salesforce–monday.com integration, cutting reporting time by 70–80% and delivering real-time operational visibility.
Test Automation Cuts Mobile QA Time
Sphere built a custom test automation framework for OneMain’s loan app, accelerating QA cycles and freeing up internal dev resources.
Transforming Healthcare Data Governance & Compliance
Sphere built a secure cloud data environment on Azure, automating compliance reporting via ETL pipelines and deploying Power BI dashboards.
Data Modernization Connecting Lab, Plant & Supply Chain
Sphere built a unified Snowflake data warehouse integrating LIMS, MES/SCADA, and ERP systems, enabling automated lab-to-plant data flow, predictive maintenance alerts, and demand forecasting across three regional sites.
Hear from
our clientsHear from our clients
Lee Ebreo
VP of Engineering at Credit Ninja
These things would not have been achievable if we did not build our own in-house system and if we did not partner with Sphere to help us achieve our goals.
Selah Ben-Haim
VP of Engineering at Prominence Advisors
Our experience with Sphere and their team has been and continues to be fantastic. We keep throwing new projects at them, and they keep knocking them out of the park (including the rescue of a project that was previously bungled by another vendor).
Ben Crawford
Senior Product Manager at Enova Financial
I would expect to be delighted. It's been a really positive experience, working with Sphere, and I would expect you to have the same.
Mark Friedgan
CEO at CreditNinja
Sphere consistently prioritizes the needs of their clients, demonstrating both agility and teamwork. As an offshore team, they have been an integral part of our organization and we plan to continue growing with them.
René Pfitzner
Co-Founder at Experify
Sphere provided excellent full-stack development manpower to augment our team and help push our product forward. They are easy to work with, tech-savvy and proactive.
Bruce Burdick
Chief Information Officer at Integra Credit
We've been working with Sphere and its excellent consultants since our founding. I've found that they are true partners in the success of our business.
Jemal Swoboda
CEO at Dabble
The resources and developers that Sphere Software provides are skilled and have the required technical expertise, but more importantly, they have helped us build a culture of excellence within our team.
Arthur Tretyak
Founder and CEO at IntegraCredit
With Sphere, we were able to migrate in half the time it would take to train an additional FTE… and for a fraction of the cost. Our experience with Sphere has been exceptional.
Lee Ebreo
VP of Engineering at Credit Ninja
These things would not have been achievable if we did not build our own in-house system and if we did not partner with Sphere to help us achieve our goals.
Selah Ben-Haim
VP of Engineering at Prominence Advisors
Our experience with Sphere and their team has been and continues to be fantastic. We keep throwing new projects at them, and they keep knocking them out of the park (including the rescue of a project that was previously bungled by another vendor).
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Sphere in Numbers
We understand that actions speak louder than words and numbers but here are some key facts about us.
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Luke Suneja
Client Partner
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