Custom Software Development in Los Angeles

Custom Software Development in Los Angeles

Welcome to Devox Software, your trustworthy Software development company in LA. We build long-lasting and innovative solutions to foster your business’s growth.

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Our Services

Software Development Services We Provide

We help businesses navigate complex digital transformations through expert engineering. Our team specializes in modernizing legacy systems and integrating advanced AI solutions to drive operational efficiency.

  • Legacy Architecture Mapping

    • Automated Dependency Parsing. Our offline AI Solution Accelerator™ scans your codebase and maps every import, API call, and package dependency. This generates an interactive visual graph showing exactly how tightly coupled your monolithic components are.
    • NFR Performance Benchmarking. We stress-test your current systems under simulated loads to establish clear performance baselines. The audit reveals precise bottlenecks in latency, peak-load capacity, and data throughput.
    • Technical Debt Valuation. We identify outdated libraries, security vulnerabilities, and code issues, then turn them into a prioritized backlog. Every item is assigned a dollar-value cost of inaction so executive teams can prioritize high-impact fixes.
    • Strategic Phase Roadmap Design. We break modernization into smaller releases so early wins help fund the next phase. The roadmap targets high-value workflows first, letting realized savings fund subsequent modernization waves.
    • Security Surface Auditing. Scanning the application landscape identifies obsolete encryption, exposed API endpoints, and deprecated access controls. We uncover security gaps before the first modernization sprint begins. Compliance with enterprise standards remains a core baseline throughout our security audits.
  • Zero-Downtime Legacy System Modernization

    • Strangler Fig Monolith Decoupling. Extracting legacy features step-by-step into clean microservices built on .NET 8/9 or Node.js prevents operational disruption. Your core workflows keep running on the existing platform while the new architecture comes online.
    • Kafka-Driven Event Synchronization. Both systems stay in sync during the transition, with safeguards in place to protect your data. Real-time dual-writing guarantees both systems stay updated with zero data loss.
    • Gradual Live Traffic Routing. Shifting user requests slowly to the new microservices utilizes Canary deployments via AWS or Azure API Gateways. If performance issues appear, traffic automatically shifts back to the stable environment.
    • Heterogeneous Database Migration. Restructuring legacy databases into optimized, modern schemas relies on transaction-level CDC. Automated synchronization prevents data corruption during transit.
    • Zero-Impact Rollback Simulation. Conducting dry-run migration waves in an isolated staging environment tests rollback scripts under load. Validation steps ensure the deployment team can execute a clean recovery within seconds if a production anomaly occurs.
  • VB6 to .NET Web Modernization

    • Automated UI-to-Web Conversion. Re-engineering static desktop WinForms or VB6 layouts into responsive React or Angular web interfaces modernizes the user experience. The visual transformation preserves intuitive user paths while introducing native mobile compatibility.
    • C#.NET 8/9 Backend Restructuring. Migrating legacy desktop business logic into highly scalable C# ASP.NET Core Web APIs eliminate tight coupling to local machines. We move desktop business logic into scalable REST APIs.
    • Avalonia-Based Cross-Platform Porting. Reusing C# desktop logic and porting it to Avalonia UI provides immediate multi-platform desktop support. Avoiding a complete web rewrite extends the software’s lifespan on modern operating systems.
    • Multi-Tenant SaaS Conversion. Introducing tenant-isolation architectures, user role hierarchies, and subscription billing engines shifts local desktop legacy software into a cloud-native B2B SaaS product.
    • On-Premises Data Connector Isolation. Building secure local database bridges safely syncs legacy local storage with the new web backend. Remote and mobile users gain access to live production data from any browser while keeping core databases secure.
  • Governed AI Integration

    • Private Sandbox LLM Deployment. Deploying LLM models  inside an isolated enterprise cloud boundary on AWS or Azure protects proprietary data. Your code and customer data stay isolated and are never used to train public models.
    • Context-Aware RAG Pipelines. Connecting retrieval-augmented generation pipelines to internal documentation, historical tickets, and ERP databases provides AI agents with continuous context. Highly accurate, deterministic decision-making is guaranteed through our connection to internal documentation, historical tickets, and ERP databases.
    • Multi-Step Workflow Orchestration. Programming autonomous AI agents to execute multi-stage business processes, such as B2B lead generation or supplier invoice validation, streamlines operations. The agents interact directly with legacy APIs within strict operational boundaries.
    • Deterministic Traceability Logging. Instrumenting a centralized logging framework captures every API call, reasoning step, and database transaction executed by the AI. Your team can review every action, decision, and system event through a complete audit trail.
    • System-Level Guardrail Enforcement. Embedding strict validation layers scans AI outputs for hallucinations, compliance breaches, or off-boundary actions. The guardrails automatically block unauthorized executions, keeping the AI running safely.
  • SaaS Engineering Pods

    • Pre-Vetted Senior Staff Matching. We can staff a senior engineering team in less than 10 days. Every candidate undergoes multi-stage technical screening, including live coding and system design defense.
    • Agile Sprint Integration. Embedding engineers directly into active Slack, Jira, and GitHub pipelines under current engineering management ensures immediate productivity. The team plugs into your workflow from day one.
    • Technical Debt Burn-Down. What you get: Your core engineering team remains focused 100% on strategic product features by delegating technical debt, refactoring, and routine backlog tasks to our dedicated pod.
    • Rapid Scale-Up / Scale-Down. Adjusting team size dynamically within weeks matches active product roadmaps or funding milestones. Flexible contract structures help you avoid long-term salary liabilities.
    • Active Knowledge Transfer & Offboarding. Establishing clear documentation standards and structured walkthroughs ensures smooth transitions. Every line of code, infrastructure script, and architectural decision is fully handed over to your internal team.
  • Cloud Optimization

    • Kubernetes Microservice Orchestration. Migrating application workloads to managed Kubernetes clusters utilizes Infrastructure as Code. Simplifying multi-cloud deployments ensures high application availability.
    • Dynamic Cloud Auto-Scaling. Implementing horizontal and vertical pod auto-scaling policies reacts to real-time traffic and CPU load. Infrastructure resources scale up dynamically during high-load periods and contract during idle hours, saving up to 40% in hosting bills.
    • FinOps Cost Auditing & Allocation. Deploying monitoring solutions like Prometheus and Grafana tracks resource utilization per microservice or tenant. You can see where cloud costs are accumulating and set up clear, tag-based cost attribution.
    • Hybrid Cloud Bridge Construction. Designing secure hybrid infrastructure architectures links on-premises local factory servers to central cloud analytics. Data flows securely through VPNs and API gateways, ensuring local operational continuity.
    • Automated CI/CD Pipeline Engineering. Building event-driven GitOps pipelines using GitHub Actions or GitLab CI automates application builds, testing, and cloud deployments. The pipelines run automated security vulnerability scanning on every pull request.
  • Industrial IoT Intelligence

    • SoCal Industrial Sensor Telemetry. Ingesting high-frequency telemetry signals directly from industrial PLCs and IoT sensors relies on MQTT and OPC UA protocols. This custom software development service ensures machine data flows into analytics systems in real time.
    • OEE Optimization Dashboards. Building unified operational dashboards aggregates unified operational OEE metrics. Factory managers gain access to live Overall Equipment Effectiveness (OEE) metrics to optimize throughput.
    • Predictive Maintenance Modeling. Running ML models on historical machine telemetry using TensorFlow predicts equipment failures. Operational teams receive predictive alerts to execute maintenance before unexpected line stoppages occur.
    • Closed-Loop Manufacturing Automation. Integrating Manufacturing Execution Systems (MES) with shop-floor hardware automates quality checks. If a defect is detected, the system triggers automated shutdown loops to isolate the issue.
    • Over-the-Air (OTA) Firmware Delivery. Building secure, low-overhead OTA update systems deploys firmware updates to connected devices and embedded controllers in rolling batches. The infrastructure triggers automatic rollbacks if installation failures occur.
  • Enterprise Systems Integration

    • LA-Grade High-Performance APIs. Developing clean, developer-friendly API endpoints using OpenAPI specifications enables seamless third-party integrations. High-performance gRPC protocols are implemented for ultra-low latency internal microservice communication.
    • Unified LA Enterprise Data Sync. Writing secure middleware pipelines keeps enterprise operational data synced in real time. Teams stop wasting time re-entering the same data across systems.
    • Enterprise Service Bus Implementation. Deploying lightweight, reliable message queues decouples enterprise systems. Temporary outages in your invoicing tool will not impact your order booking engine through the use of lightweight, reliable message queues.
    • OAuth 2.0 Identity Management Integration. Implementing centralized identity and access management systems using Auth0 or Keycloak secures all enterprise APIs. Granular, token-based permissions guarantee secure, audited data access.
    • Automated Financial Operations. Building secure synchronization scripts automates financial operations. Financial transactions reconcile automatically between your B2B platform and core accounting software.
  • Site Reliability Engineering

    • 24/7 Proactive Observability Pipelines. Implementing end-to-end monitoring using Datadog or New Relic tracks server health, database query speeds, and API latencies. Your team gets alerted before small issues turn into customer-facing problems.
    • SLA-Governed Incident Response. Backing your systems with clear service level agreements defines strict response and resolution times for production incidents. Escalation paths are fully managed, ensuring continuous operational support.
    • Automated Security Patching & Updates. Scheduling automated, rolling dependency updates and operating system security patching runs with zero downtime. This maintains continuous system protection against newly discovered CVEs.
    • Disaster Recovery Validation. Running scheduled, automated backups and simulating failover scenarios tests your disaster recovery strategy. We guarantee a Recovery Point Objective (RPO) and Recovery Time Objective (RTO) that match enterprise standards.
    • Comprehensive Documentation Maintenance. Updating technical documentation continuously eliminates key-person dependency. Our los angeles software developers ensure that any technical resource can navigate and support your platform.
Our Process

Our Professional Software Development Process

01.

01. Step 1: Automated Code Discovery

We start with real system data, not workshop slides. Our team helps you identify technical debt by deploying the offline, sandboxed AI Solution Accelerator™ to scan your repositories, map hidden dependencies, and identify code debt. This phase produces an interactive architectural graph and an objective technical audit detailing exactly which modules are stable and which present high-risk failure points. You get a clear picture of the system before any production changes happen.

02.

02. Design and Development

At this stage, we outline the project details, including the necessary network requirements, databases, and others. Then, our Software development team build the product according to the predetermined design needs. The ability to follow the initial concept with fewer efforts and budget makes us an excellent Software development agency Los Angeles.

03.

03. Risk-Based Architecture Blueprint

We collaborate to design a prioritized, phased roadmap that aligns with your specific recovery time and recovery point targets. We ensure every legacy system is mapped for success, from the service level agreements to the least disruptive "7 Rs" strategy. This stage establishes clear service level agreements, identifies critical path activities, and maps out a transparent, predictable budget with no hidden costs.

04.

04. Automated Rollbacks

We route live production traffic to the modernized system in tiny increments, starting at 5% and eventually scaling to 100%, utilizing canary releases via AWS or Azure API Gateways. Our continuous APM monitoring analyzes performance, system load, and error rates. If the telemetry flags a single error, traffic routes back to the stable legacy system instantly with zero downtime or user impact.

05.

05. Post-Launch Hypercare

The transition wraps up with a 30-day "hypercare" period, during which our engineering team staffs above normal capacity to handle immediate post-release adjustments and stabilize operations. We optimize your hybrid-cloud environments to prevent bill spikes and execute a structured, multi-week knowledge transfer. Your team receives complete infrastructure-as-code scripts, self-healing QA test suites, and clean documentation to ensure total platform autonomy.

  • 01. Step 1: Automated Code Discovery

  • 02. Design and Development

  • 03. Risk-Based Architecture Blueprint

  • 04. Automated Rollbacks

  • 05. Post-Launch Hypercare

Our Vision

We’ve worked extensively in terms of geography and sector, developing a variety of work — products, services, and experiences — that has taught us that a well-defined visual strategy is key to bring visibility, credibility, and funds to any organisation. Starting in 2018, we decided to plant a tree for each client that we work with.

70

+

Successfully completed projects

71

%

Devox Software annual growth

100

+

Tech specialists on board

82

%

Clients with us for more than 2 years

Case Studies

Our Latest Works

View All Case Studies
Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform
  • Backend
  • Frontend
  • Cloud
  • E-Learning

Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform

A full-featured learning management system built to digitize education workflows, manage courses, and support online learning at scale.

Additional Info

Core Tech:
  • .NET Core
  • PostgreSQL
  • Angular
  • Docker
  • Kubernetes
  • Azure
  • SCORM
Country:

Switzerland Switzerland

Trading System for Confidential Market Execution Trading System for Confidential Market Execution
  • Fintech
  • ATS

Trading System for Confidential Market Execution

A fintech trading system enabling anonymous, low-impact transactions between institutional players.

Additional Info

Core Tech:
  • .NET Core
  • Kafka
  • Redis
  • React.js
  • WebSockets
  • OAuth 2.0
  • PostgreSQL
  • Selenium
Country:

USA USA

Web 3 White-label PaaS NeoBank Web 3 White-label PaaS NeoBank
  • Web3
  • Fintech

Web3 PaaS Ecosystem for Next-Gen NeoBanking, RegTech, and Secure Data Vaulting

A blockchain-powered PaaS ecosystem enabling financial providers to launch custom neobanking solutions with secure infrastructure.

Additional Info

Core Tech:
  • Blockchain
  • .NET
  • Node.js
  • AWS
  • Docker
  • PostgreSQL
  • React Native
Country:

USA USA

Trusted by

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Awards & Certifications

Industry Contribution Awards & Certifications

Check Devox Software’s awards on rating and review platforms, recognized among the top software development companies, along with the certifications our team members hold.

  • Awards
  • Certifications
  • UpWork

    UpWork

  • Clutch

    Clutch

  • The Manifest

    The Manifest

  • DesignRush

    DesignRush

  • MC.today

    MC.today

  • Clutch

    Clutch

  • Clutch

    Clutch

  • AppFutura

    AppFutura

  • Clutch

    Clutch

  • GoodFirms

    GoodFirms

  • DesignRush

    DesignRush

  • UpWork

    UpWork

  • Professional Scrum Master™ II (PSM II)

    Professional Scrum Master™ II (PSM II)

  • Professional Scrum Product Owner™ I (PSPO I)

    Professional Scrum Product Owner™ I (PSPO I)

  • ITIL v.3 Foundation Certificate in IT Service Management

    ITIL v.3 Foundation Certificate in IT Service Management

  • ITSMS Auditor/Lead Auditor of ISO Standard 20000

    ITSMS Auditor/Lead Auditor of ISO Standard 20000

  • Microsoft Certified: DevOps Engineer Expert

    Microsoft Certified: DevOps Engineer Expert

  • Microsoft Certified: Azure Administrator Associate

    Microsoft Certified: Azure Administrator Associate

  • Quality Assurance ISTQB Foundation Level

    Quality Assurance ISTQB Foundation Level

  • Microsoft Certified Solution Develop (MCSD)

    Microsoft Certified Solution Develop (MCSD)

  • Java Development Certified Professional

    Java Development Certified Professional

  • JavaScript Developer Certificate – W3Schools

    JavaScript Developer Certificate – W3Schools

  • Certified Artificial Intelligence Scientist (CAIS)

    Certified Artificial Intelligence Scientist (CAIS)

  • Oracle Database SQL Certified Associate

    Oracle Database SQL Certified Associate

Insights

Our Experts' Insights

Software Development Lifecycle: Stages, Methodologies & Tools

Vue vs React Comparison

.NET Developer Salary Guide Based On Experience And Location

Testimonials

Testimonials

Carl-Fredrik Linné                                            Sweden

The solutions they’re providing is helping our business run more smoothly. We’ve been able to make quick developments with them, meeting our product vision within the timeline we set up. Listen to them because they can give strong advice about how to build good products.

Darrin Lipscomb Darrin Lipscomb
Darrin Lipscomb United States

We are a software startup and using Devox allowed us to get an MVP to market faster and less cost than trying to build and fund an R&D team initially. Communication was excellent with Devox. This is a top notch firm.

Daniel Bertuccio Daniel Bertuccio
Daniel Bertuccio Australia

Their level of understanding, detail, and work ethic was great. We had 2 designers, 2 developers, PM and QA specialist. I am extremely satisfied with the end deliverables. Devox Software was always on time during the process.

Trent Allan Trent Allan
Trent Allan Australia

We get great satisfaction working with them. They help us produce a product we’re happy with as co-founders. The feedback we got from customers was really great, too. Customers get what we do and we feel like we’re really reaching our target market.

Andy Morrey                                            United Kingdom

I’m blown up with the level of professionalism that’s been shown, as well as the welcoming nature and the social aspects. Devox Software is really on the ball technically.

Vadim Ivanenko Vadim Ivanenko
Vadim Ivanenko Switzerland

Great job! We met the deadlines and brought happiness to our customers. Communication was perfect. Quick response. No problems with anything during the project. Their experienced team and perfect communication offer the best mix of quality and rates.

Jason Leffakis Jason Leffakis
Jason Leffakis United States

The project continues to be a success. As an early-stage company, we're continuously iterating to find product success. Devox has been quick and effective at iterating alongside us. I'm happy with the team, their responsiveness, and their output.

John Boman John Boman
John Boman Sweden

We hired the Devox team for a complicated (unusual interaction) UX/UI assignment. The team managed the project well both for initial time estimates and also weekly follow-ups throughout delivery. Overall, efficient work with a nice professional team.

Tamas Pataky Tamas Pataky
Tamas Pataky Canada

Their intuition about the product and their willingness to try new approaches and show them to our team as alternatives to our set course were impressive. The Devox team makes it incredibly easy to work with, and their ability to manage our team and set expectations was outstanding.

Stan Sadokov Stan Sadokov
Stan Sadokov Estonia

Devox is a team of exepctional talent and responsible executives. All of the talent we outstaffed from the company were experts in their fields and delivered quality work. They also take full ownership to what they deliver to you. If you work with Devox you will get actual results and you can rest assured that the result will procude value.

Mark Lamb Mark Lamb
Mark Lamb United Kingdom

The work that the team has done on our project has been nothing short of incredible – it has surpassed all expectations I had and really is something I could only have dreamt of finding. Team is hard working, dedicated, personable and passionate. I have worked with people literally all over the world both in business and as freelancer, and people from Devox Software are 1 in a million.

F.A.Q.

Frequently Asked Questions

  • How do you guarantee zero downtime during legacy system modernization while performing custom software development Los Angeles?

    During migration, we implement a “Dual Run” strategy, allowing your legacy monolith and the new modernized modules to operate in parallel. We route live traffic gradually through event-driven pipelines, validating system behavior and reliability under actual load. If we detect any anomaly, we dynamically roll the traffic back to the stable legacy system with zero impact on your active users.

  • How do your software development services ensure that your AI solutions deliver real business value rather than merely acting as a wrapper?

    Through our secure AI harness, we ensure total observability. Every decision, execution loop, and API call made by an AI agent is tracked and auditable, giving you deterministic and reliable results. We tie our AI implementations directly to business KPIs, such as cutting migration planning times by 70% or automating complex inventory forecasting on manufacturing lines.

  • How do you handle intellectual property and ownership?

    We operate on a “work-for-hire” basis. All code, documentation, and assets created during our engagement belong entirely to you. Your contract will clearly define these ownership rights, ensuring you maintain full control over your product and proprietary assets from day one.

  • What does post-launch support look like?

    We don’t just hand over the keys and walk away. Every project concludes with a 30-day “hypercare” period to stabilize operations. Beyond that, we offer ongoing maintenance packages, including security patching, performance monitoring, and feature updates to ensure your platform scales effectively and stays secure.

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We Fix, Transform, and Skyrocket Your Software.

Tell us where your system needs help — we’ll show you how to move forward with clarity and speed. From architecture to launch — we’re your engineering partner.

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