Performance Engineering With Answers, Not Theories
Identify bottlenecks with profiling and load testing so you fix the right thing instead of throwing resources at guesses.
👋 Talk to a performance expert.
Trusted and top rated tech team
Find the problem before you fix it
Slow applications cost money and credibility. But most teams troubleshoot by intuition, trying fixes that might help instead of diagnosing what’s actually wrong. We use profiling, load testing, and monitoring to identify exactly where performance breaks down so your team fixes the right thing the first time.
Our capabilities include:
- Application profiling and bottleneck analysis
- Load testing and capacity planning
- APM implementation and monitoring
- Database query optimization
- Infrastructure performance assessment
- Performance regression prevention
Who we support
Slow apps lose users and revenue. But “make it faster” isn’t a diagnosis. We help teams find the actual problem so fixes stick instead of buying time.
Teams With Apps That Got Slow
Something changed and now the application drags. Could be a recent deploy, traffic growth, or accumulated tech debt. Your team is guessing at causes. You need profiling and analysis that shows exactly where time is being lost.
Companies Preparing for Traffic Spikes
You're launching a campaign, entering a new market, or expecting seasonal load. You need to know if your system can handle it before users find out the hard way. Load testing shows you where it breaks so you can fix it first.
Enterprises With Performance Regressions
Every deploy seems to make things a little slower. You're not sure which changes caused it or how to stop the trend. You need performance baselines, continuous monitoring, and tests that catch slowdowns before they ship.
Ways to engage
We offer a wide range of engagement models to meet our clients’ needs. From hourly consultation to fully managed solutions, our engagement models are designed to be flexible and customizable.
Staff Augmentation
Get access to on-demand product and engineering team talent that gives your company the flexibility to scale up and down as business needs ebb and flow.
Retainer Services
Retainers are perfect for companies that have a fully built product in maintenance mode. We'll give you peace of mind by keeping your software running, secure, and up to date.
Project Engagement
Project-based contracts that can range from small-scale audit and strategy sessions to more intricate replatforming or build from scratch initiatives.
We'll spec out a custom engagement model for you
Invested in creating success and defining new standards
Why choose Curotec for performance?
Our engineers diagnose before they prescribe. We use profiling, load testing, and APM tools to find exactly where performance breaks down instead of guessing. You get data that shows the bottleneck, a clear fix, and validation that proves it worked.
1
Extraordinary people, exceptional outcomes
Our outstanding team represents our greatest asset. With business acumen, we translate objectives into solutions. Intellectual agility drives efficient software development problem-solving. Superior communication ensures seamless teamwork integration.
2
Deep technical expertise
We don’t claim to be experts in every framework and language. Instead, we focus on the tech ecosystems in which we excel, selecting engagements that align with our competencies for optimal results. Moreover, we offer pre-developed components and scaffolding to save you time and money.
3
Balancing innovation with practicality
We stay ahead of industry trends and innovations, avoiding the hype of every new technology fad. Focusing on innovations with real commercial potential, we guide you through the ever-changing tech landscape, helping you embrace proven technologies and cutting-edge advancements.
4
Flexibility in our approach
We offer a range of flexible working arrangements to meet your specific needs. Whether you prefer our end-to-end project delivery, embedding our experts within your teams, or consulting and retainer options, we have a solution designed to suit you.
Performance engineering focused on root causes
Application Profiling
Load Testing & Capacity Planning
APM Implementation
Database Optimization
Infrastructure Assessment
Regression Prevention
Performance engineering stack
Profiling & Code Analysis
Our engineers use profilers that reveal exactly which functions, queries, and code paths consume time and resources.
- Py-Spy — Sampling profiler for Python that captures CPU time without modifying code or slowing execution in production environments
- async-profiler — Low-overhead profiler for Java that captures CPU and memory allocation with flame graph output for analysis
- dotTrace — JetBrains profiler for .NET applications with timeline views, call trees, and hot spot identification
- pprof — Go profiling tool that captures CPU, memory, and goroutine behavior with visualization and comparison features
- Chrome DevTools — Browser profiler for JavaScript with CPU profiling, memory snapshots, and performance timeline recording
- Flame Graphs — Visualization technique that shows stack traces and time distribution to quickly identify expensive code paths
Load Testing & Traffic Simulation
Curotec simulates realistic traffic patterns to find breaking points before production users discover them for you.
- k6 — Load testing tool with JavaScript scripting, performance thresholds, and CI/CD integration for automated testing
- Apache JMeter — Open-source load testing platform for web applications, APIs, and databases with extensive plugin ecosystem
- Gatling — Scala-based load testing tool with code-driven scenarios, real-time metrics, and detailed HTML reports
- Locust — Python load testing framework with distributed execution, web UI for monitoring, and scriptable user behavior
- Artillery — Node.js load testing tool with YAML scenarios, cloud execution, and integrations for CI/CD pipelines
- Grafana k6 Cloud — Managed load testing platform with global distribution, real-time results, and team collaboration features
APM & Distributed Tracing
We instrument applications with monitoring that traces requests across services and surfaces latency at every step.
- Datadog APM — Full-stack monitoring with distributed tracing, error tracking, and automatic service dependency mapping
- New Relic — Observability platform with transaction tracing, error analysis, and performance dashboards across the stack
- Dynatrace — AI-powered APM with automatic instrumentation, root cause analysis, and full-stack topology mapping
- Jaeger — Open-source distributed tracing system for monitoring microservices with service dependency visualization
- OpenTelemetry — Vendor-neutral framework for collecting traces, metrics, and logs with broad language and platform support
- Honeycomb — Observability platform with high-cardinality querying for debugging complex distributed system behavior
Database Performance Tools
Our teams analyze query execution, indexing, and database behavior to find bottlenecks that application code cannot solve.
- EXPLAIN/EXPLAIN ANALYZE — Query execution plan commands in PostgreSQL and MySQL that reveal how databases process queries
- pg_stat_statements — PostgreSQL extension that tracks query execution statistics including time, calls, and rows returned
- MySQL Performance Schema — Built-in instrumentation for monitoring query execution, waits, and resource consumption in MySQL
- SolarWinds DPA — Database performance analyzer with wait-time analysis, query tuning recommendations, and anomaly detection
- Percona Monitoring — Open-source database monitoring for MySQL, PostgreSQL, and MongoDB with query analytics and dashboards
- pgBadger — PostgreSQL log analyzer that generates detailed reports on query performance, locks, and connection patterns
Infrastructure Monitoring
Curotec tracks compute, memory, network, and storage metrics to determine if slowdowns stem from code or resources.
- Prometheus — Time-series database and monitoring system with PromQL queries, alerting, and broad exporter ecosystem
- Grafana — Visualization platform for metrics with customizable dashboards, alerting, and multi-source data integration
- Netdata — Real-time infrastructure monitoring with per-second granularity, automatic detection, and low resource overhead
- AWS CloudWatch — Managed monitoring for AWS resources with metrics, logs, alarms, and automated actions on thresholds
- Azure Monitor — Microsoft monitoring platform with metrics, logs, and Application Insights for Azure infrastructure
- htop/atop — Linux process monitors that show CPU, memory, disk, and network usage for real-time server diagnostics
Frontend Performance Tools
We measure client-side rendering, asset loading, and Core Web Vitals to optimize performance users actually experience.
- Lighthouse — Google tool for auditing page performance, accessibility, and SEO with actionable improvement recommendations
- WebPageTest — Browser-based testing tool with waterfall charts, filmstrip views, and multi-location performance analysis
- Chrome DevTools Performance — Built-in browser profiler for analyzing rendering, scripting, and paint events on the client side
- Core Web Vitals — Google metrics measuring load time, interactivity, and visual stability that impact user experience and SEO
- SpeedCurve — Synthetic monitoring platform that tracks frontend performance over time with competitive benchmarking
- RUM (Real User Monitoring) — Data collection from actual user sessions to measure performance across devices, networks, and locations
FAQs about our performance engineering
How do you find what's causing slow performance?
We start with profiling and APM data to identify where time is actually spent. Instead of guessing, we trace requests through the stack and pinpoint the specific code, query, or service causing delays.
What's the difference between profiling and load testing?
Profiling analyzes code execution to find which functions consume resources. Load testing simulates traffic to find where systems break under pressure. Both matter, but they answer different questions.
How do you test performance without production risk?
We run load tests against staging environments that mirror production. For profiling, we use low-overhead tools that sample behavior without slowing live systems or impacting users.
Can you help if we don't know where to start?
Yes. We begin with an assessment that identifies the most likely bottleneck areas, then instrument and test to confirm. You get a prioritized list of what to fix based on actual impact.
How do you prevent performance from degrading again?
We establish baselines and build automated performance tests into your CI pipeline. Regressions get caught before they ship, not after users complain.
How long does a performance assessment take?
Initial profiling and analysis typically takes one to two weeks. Load testing and deeper optimization work extends based on complexity. We scope based on your most urgent performance concerns.
Ready to have a conversation?
We’re here to discuss how we can partner, sharing our knowledge and experience for your product development needs. Get started driving your business forward.