Performance Engineer

@sahilcomputers39

Hey, Realistic load testing, SLA validation, and bottleneck analysis can expose performance issues before production. I have hands on experience with performance testing across load, stress, scalability, and endurance scenarios, with a focus on finding the actual cause of slow response times rather than just reporting failures. I’m comfortable working with JMeter, K6, APIs, SQL, scripting, and application/infrastructure metrics. For your project, I would focus on:- * Building realistic workload models and performance test scenarios based on your SLAs. * Creating and maintaining JMeter/K6 performance scripts for APIs and critical user flows. * Correlating application response times with CPU, memory, database, network, and infrastructure metrics using Grafana or similar monitoring tools. * Analyzing bottlenecks and providing clear, actionable optimization recommendations. I can also work closely with your QA, development, DevOps, and infrastructure teams to reproduce issues, validate fixes, and confirm performance improvements through re-testing. If you share your current application stack and preferred performance tool, I can suggest the initial test strategy and key scenarios to prioritize. Best Regards, Sahil D.

@sarthaktyagi0

Hi, I’m a Performance Testing Engineer with hands-on experience in designing and executing load, stress, scalability, and performance tests. I have strong experience with JMeter, API testing, SQL, scripting, workload modeling, and SLA analysis. I’m also comfortable monitoring application and infrastructure metrics using tools such as Grafana, Dynatrace, and similar observability platforms. I can analyze performance bottlenecks across application, database, network, and infrastructure layers and provide actionable optimization recommendations. I work closely with QA, developers, DevOps, and infrastructure teams to troubleshoot and resolve performance issues. I’m available to start immediately and can deliver reliable, measurable performance testing results.

@jaroslavcaprata

Hello! I have experience with performance testing, API benchmarking, backend optimization, SQL analysis, monitoring, and identifying application bottlenecks across production-style systems. I can design and execute load, stress, endurance, and scalability tests using JMeter, K6, or similar tools, with realistic workload models based on expected concurrency, transaction volume, and SLA targets. Beyond simply generating traffic, I focus on finding the actual cause of performance issues by correlating response times with CPU, memory, database queries, network activity, application logs, and infrastructure metrics. I’m comfortable working with Grafana and comparable APM/monitoring platforms. I can also review slow APIs, inefficient SQL, connection limits, caching behavior, resource saturation, and concurrency issues, then provide clear optimization recommendations backed by test results. You’ll receive maintainable test scripts, reproducible scenarios, performance reports, bottleneck findings, and actionable recommendations that developers and DevOps teams can use directly. Thanks

@Shrutibimpl

Hello, I can design execute and manage your performance load and stress testing suite. My plan is to create realistic workload models for your web applications and REST APIs. I can write modular performance test scripts using JMeter or K6 to simulate concurrent user loads and stress thresholds. I can monitor live server metrics like CPU memory database query latency and network throughput using Grafana Dynatrace or AppDynamics during active test execution. I can analyze throughput degradation and thread locking bottlenecks and deliver performance summary reports with optimization steps for your engineering teams. In a past project I developed K6 and JMeter performance testing scripts and monitored server metrics in Grafana to resolve database bottlenecks for a web application. 1) Which performance testing tool such as JMeter K6 or LoadRunner do you prefer for scripting? 2) What APM or monitoring tool like Grafana Dynatrace or AppDynamics is configured on your servers? 3) Do you have target performance SLAs such as maximum response time or throughput requests per second defined? Thanks, Bharat

@Hrolgar

K6's default VU model spins up one OS thread per virtual user, so past a couple thousand concurrent VUs on a single load generator you start measuring the ulimit on file descriptors, not your application. That's the first thing I check before trusting any throughput number a test produces, and it's usually where borrowed test scripts quietly lie. I'd script the load in k6, stages ramping from baseline to peak and past it into the failure zone, tagged so each scenario maps cleanly to a Grafana or AppDynamics dashboard split by tier, app, DB, network. But a dashboard only tells you where the time goes, not why, so the report ties every flagged bottleneck back to something fixable, a slow query plan pulled with EXPLAIN ANALYZE, a connection pool sized wrong for the concurrency you're actually hitting, a lock wait that only shows up past a certain VU count. That's the difference between a monitoring readout and an engineering deliverable. M1: baseline test design plus k6 scripts for your core flows, INR 21000, 2 days. M2: staged load and stress runs against your environment with full metric capture across app, DB and network, INR 22000, 3 days. M3: bottleneck report with root-caused findings, query-level and config-level fixes, and a re-test pass to confirm the gains, INR 20750, 2 days.

@nakabirik

Hi there, I can help establish a structured performance-testing process covering load, stress and scalability scenarios, with API and SQL validation to identify application bottlenecks. I’ll focus on realistic workload modeling, measurable SLAs, and repeatable test execution. I’ll analyze CPU, memory, database, network and application behavior, then provide clear performance reports with actionable optimization recommendations. I’ll also keep the results documented so developers and DevOps can reproduce and resolve the identified issues. Could you share the application architecture, expected concurrent users, and preferred performance-testing tool for the first test cycle? Let's discuss in more detail now.

@pooja10verma

With my strong background in full stack development and mobile app development, I bring a unique perspective to the role of a Performance Engineer. My experience in developing scalable applications will be particularly valuable, as it requires a thorough understanding of system performance implications. In addition to these core skills, I have been working extensively with JMeter, which has proven vital in my current role to write efficient and effective performance testing scripts. Understanding the importance of monitoring tools like AppDynamics and Dynatrace is something I value highly. In fact, I have used them not only for performance analysis but also to maintain the application at its optimal performance. This is crucial for realizing bottlenecks and offering actionable recommendations for better optimization. Perhaps most importantly, my collaborative nature and adaptability make me a strong fit for your team. I am adept at aligning with various roles like developers, QA, DevOps, and infrastructure teams to ensure speedy resolution of performance issues. I'm excited about the prospect of this project and believe that my skill-set and dedication could significantly benefit its success.

@mykolas67

I have strong experience in performance testing and engineering, including load, stress, scalability, and API testing for web applications and backend systems. I can handle: JMeter / K6 performance test scripting and workload modeling SLA, response-time, throughput, and error-rate analysis SQL/API performance testing Monitoring CPU, memory, DB, network, and application metrics Bottleneck identification with actionable optimization recommendations Detailed performance reports and collaboration with DevOps/development teams I can start with a baseline performance test, identify the main bottlenecks, then progressively validate improvements under realistic workloads.

@TechizeBuilder

Dear Client, I read "Performance Engineer" carefully and understand you want clean, modern Figma designs that translate smoothly into a real product. My hands-on experience with Web Development, Frontend Development aligns directly with what you need. I design in Figma with a focus on usability and visual polish — wireframes, high-fidelity mockups, prototypes and design systems — handed off dev-ready so nothing gets lost in build. A few quick questions to get us started: 1. Is this for a website, mobile app, or both? 2. Do you have existing branding (logo, colors, fonts), or should I help define it? 3. Do you need clickable prototypes, or static screens with a handoff-ready design system? Thanks & Regards, Deepak

@amannamdev5081

Hi, I can handle end-to-end performance testing with a structured approach covering baseline, load, stress and scalability scenarios, followed by bottleneck analysis and actionable optimization recommendations. I’ll work on: * Workload modeling and realistic user scenarios * JMeter/K6-based performance test scripting and execution * API and database performance testing with SQL validation * Load, stress, spike and endurance testing * Monitoring CPU, memory, database, network and application metrics * Correlating application behavior with infrastructure metrics using Grafana/Dynatrace/AppDynamics or equivalent * SLA/SLO validation and response-time/throughput analysis * Bottleneck identification across application, API, database and infrastructure layers * Detailed performance reports with metrics, findings and optimization recommendations * Collaboration with development, QA and DevOps teams through remediation and retesting I’ll ensure the test scenarios are repeatable and the results are presented clearly so your team can make informed scalability decisions. I’d be happy to review your application architecture, expected concurrent users and current SLAs, then define the right workload model and performance-testing strategy. Best Regards, Aman

@subhajit2306

Hello I have Hands-on experience with CI/CD pipelines, containerised application deployment, cloud infrastructure, reverse proxy configuration, application monitoring, and production environments, with a growing focus on Kubernetes and cloud-native DevOps practices. Experienced in building scalable backend systems, REST APIs, real-time computer vision pipelines, and AI-powered applications. For the milestone amount I work for a month

@pavlof555

★★★★★★★★★★★★★★★ I can work full time for you. ★★★★★★★★★★★★★★★ Hi, My name is ⭐Pavlo⭐. I can start right now and handle performance, load, stress, and scalability testing using JMeter, K6, API testing, SQL analysis, and monitoring tools. I have strong experience identifying CPU, memory, database, network, and application bottlenecks and turning results into clear optimization recommendations. Do you already have target SLAs, expected concurrent-user loads, and a staging environment available for testing? Best regards.

@rohank2502

You need to know how your app holds up when many people use it at once, and where it slows down. I can start right now. Within 24-48 hours you get a live sample: a real load test on a page you choose, plus a plain readout of speed, breaking point, and first slow spots. Then I finish the full tests, a simple report, and a fix-first list your team can act on. You keep the tests to rerun later. Which page or user flow should I test first for the sample?

@B1zt

Hi, What you actually want to know is where the system slows down under real traffic and what to change first. The scripts are the easy part. The value is the report that tells your team which three things to fix. - Agree the traffic patterns worth testing, based on how the system is really used - Build repeatable load tests for your main APIs in K6 or JMeter, kept in your repo so they can be run again later - Run load, stress and endurance cycles while watching the servers and the database - Find the real limits: the point where response times start climbing, and the cause, whether that is slow queries, connection limits or memory - Hand over a report with the numbers, the bottlenecks ranked, and the fixes I would make first INR 56,000, delivered in two weeks. One question: do you already have monitoring running, such as Grafana or Dynatrace, or would I be setting up what I need to see the servers during the test runs? Happy to start with a baseline run on your busiest endpoint so you see the shape of the results early rather than at the end. Thanks, Bhagya

@citysceneglobal

Hi, I’d be glad to support your performance testing and engineering requirements. I have hands-on experience designing and executing load, stress, endurance, scalability, and performance tests using tools such as JMeter, LoadRunner, and K6. I can build maintainable test scripts, create realistic workload models, define SLA benchmarks, and analyze results to identify bottlenecks. I’m comfortable working with APIs, SQL, and scripting, along with monitoring application and infrastructure metrics such as CPU, memory, database, network, and response times using tools like Grafana, Dynatrace, or similar platforms. I’ll provide detailed performance reports with root-cause insights and actionable optimization recommendations, while collaborating closely with development, QA, DevOps, and infrastructure teams to validate fixes and improve overall system stability and scalability.

@karthikresonite

Hi, We, at Resonite Technologies, are excited to submit our proposal for the Performance Engineer position. Our proven experience in performance testing and engineering aligns perfectly with your requirements. Our team consists of skilled professionals who excel in designing and executing performance, load, stress, and scalability tests. We are proficient in developing and maintaining performance test scripts using JMeter, LoadRunner, and K6. Our expertise includes analyzing application performance to identify bottlenecks, ensuring optimal efficiency. We utilize advanced monitoring tools like AppDynamics, Dynatrace, and Grafana to analyze CPU, memory, database, network, and application metrics. Our approach includes preparing comprehensive performance test reports and providing actionable recommendations for optimization. Collaboration is key; we work closely with developers, QA, DevOps, and infrastructure teams to swiftly resolve performance issues. With strong hands-on experience and a solid understanding of performance engineering concepts, we are equipped to deliver outstanding results. We look forward to the opportunity to contribute to your project. Best regards, Karthik B Resonite Technologies

@sugamkumar27

Hello, I can help you with end-to-end performance engineering, including load, stress, scalability, and API performance testing. I have experience working with performance testing, API testing, SQL, scripting, database analysis, and application optimisation. I can create and maintain performance test scenarios using tools such as JMeter or K6, model realistic workloads, define test conditions, and analyse response times, throughput, error rates, and SLA compliance. I can also analyse application and infrastructure metrics including CPU, memory, database performance, network behaviour, and API bottlenecks using suitable monitoring and observability tools. After each test cycle, I can provide a clear performance report covering bottlenecks, root-cause findings, capacity observations, and practical recommendations for optimisation. I can also work closely with development, QA, and DevOps teams to validate fixes and perform regression performance testing. My approach will be structured, measurable, and focused on identifying issues before they affect production users. I can start immediately and provide regular progress updates throughout the engagement. Best regards, Sugam

@FatihBulbul

As the tester on this project, I will tailor the JMeter/K6 test scripts based on your specific application capacity and target metrics. If you already have target metrics in mind (e.g., 1,000 concurrent users with a response time <2 seconds), please share them. If not, we can run a progressive stress test starting with a baseline (e.g., 500–1,000 users) to identify your application's actual breaking point and latency bottlenecks.

@NEHABHAT92

Having worked in the IT industry for over 9 years, I bring a wealth of experience and knowledge to the table when it comes to performance engineering. I have a strong grasp of performance testing tools like JMeter, LoadRunner, and K6, along with the ability to design and execute various performance tests across multiple platforms. My skills include analyzing application performance, identifying bottlenecks, and providing recommendations for optimization which align perfectly with your project's needs. In addition to this, my experience also extends to working closely with different teams such as developers, QA, DevOps, and infrastructure teams, which has enabled me to understand the collaborative nature of performance engineering. Being closely aligned with your project requirements also ensures that we can work effectively together to find and fix any performance issues. Furthermore, as part of a Website and Mobile App development company, I am well-versed in utilizing application and infrastructure monitoring tools like AppDynamics, Dynatrace or Grafana. These skills paired with my CMS based web development proficiency add even more value as they allow us to approach problems from multiple angles ensuring comprehensive solutions for any issues encountered. I am dedicated to providing client-centric services that prioritize efficiency and quality - delivering not only a successful project but a long-lasting professional relationship.