Krest Global Solutions

Job Description Job Description Role :- React native Engineer Location:- Alameda CA 4days Onsite Employment type:- Contract About the Role: We are looking for a skilled React Native Engineer to join our team and support the ongoing development and maintenance of our cross-platform mobile application. You'll play a key role in delivering high-quality mobile experiences on both iOS and Android, working closely with product, design, and backend teams to build features, squash bugs, and optimize performance. Responsibilities: Develop, test, and maintain robust React Native applications for iOS and Android platforms Collaborate with cross-functional teams to define, design, and ship new features Ensure the performance, quality, and responsiveness of applications Identify and fix bugs and performance bottlenecks Integrate third-party APIs and native modules when necessary Participate in code reviews and contribute to continuous improvement of code quality Stay up-to-date with the latest trends in mobile development and React Native ecosystem Requirements: 2+ years (-> 4+ years) of experience developing mobile applications using React Native Strong understanding of JavaScript/TypeScript and mobile app architecture Proven experience deploying apps to both App Store (iOS) and Google Play (Android) Familiarity with native build tools (Xcode, Android Studio, Gradle, etc.) Experience with RESTful APIs, third-party libraries, and version control systems (Git) Understanding of mobile UI/UX best practices Ability to debug performance issues and memory leaks on mobile devices Excellent communication and problem-solving skills Preferred Qualifications: Experience with native development (Swift, Objective-C, Kotlin, or Java) Familiarity with tools like Fastlane, Firebase, CodePush, etc. Experience with app analytics, crash reporting, and monitoring tools Previous work on apps with a large user base or complex architecture

Job Description Job Description Job Title: DevOps Engineer - GCP Work Time Zone: EST Rate: $58-60/hour on 1099/C2C Location: Atlanta, GA (Hybrid - 3 days on-site) Job Summary: We are looking for a skilled and proactive DevOps Engineer with a strong background in Google Cloud Platform (GCP) to join our infrastructure and platform engineering team. In this role, you will be responsible for designing, automating, and maintaining scalable cloud infrastructure and DevOps pipelines, with a focus on reliability, security, and performance. You'll work closely with cross-functional teams to drive continuous integration, delivery, and deployment of cloud-native applications. Key Responsibilities: Cloud Infrastructure Design & Management Design, implement, and manage secure, scalable, and highly available infrastructure on Google Cloud Platform , using best practices in networking, IAM, and resource optimization. Infrastructure as Code (IaC) Build and maintain infrastructure automation using Terraform , ensuring modular, reusable, and version-controlled code. CI/CD Pipeline Implementation Develop and maintain robust CI/CD pipelines using tools like GitLab CI , Jenkins , or Cloud Build to enable automated testing and deployment. Containerization & Orchestration Build and manage Docker containers and deploy workloads using GKE (Google Kubernetes Engine) or other container orchestration platforms. Monitoring, Logging & Incident Management Implement and maintain observability stacks using Cloud Monitoring , Cloud Logging , Prometheus , and Grafana to ensure uptime and performance. Security & Compliance Apply security best practices in identity management, network access, secrets handling, and vulnerability scanning across the DevOps lifecycle. Collaboration & Automation Collaborate with development and data teams to improve deployment workflows, automate repeatable tasks, and enforce DevOps standards. Required Qualifications: 9-11 years of experience in DevOps, Site Reliability Engineering (SRE), or cloud infrastructure roles. Proven expertise in Google Cloud Platform (GCP) services including Compute Engine, GKE, Cloud Storage, BigQuery, Cloud Functions , and Cloud Pub/Sub . Advanced proficiency with Terraform for managing infrastructure as code. Strong hands-on experience with Docker and container orchestration via Kubernetes (preferably GKE) . Experience setting up and managing CI/CD pipelines and release workflows. Proficient in scripting languages such as Python , Bash , or Go . Familiarity with monitoring and logging tools in the GCP ecosystem. Understanding of DevOps principles including infrastructure automation , immutable infrastructure , and blue/green deployments . Strong troubleshooting and performance tuning skills in cloud-native environments. Preferred Qualifications: GCP Professional Cloud DevOps Engineer or Cloud Architect certification . Experience with MLOps pipelines and deploying Vertex AI models (a plus). Familiarity with service mesh technologies like Istio . Exposure to security compliance frameworks such as SOC2, HIPAA, or ISO 27001.

Job Description Job Description Job Title: QA Lead / Senior Quality Assurance Engineer Location: NJ or STL (Hybrid) Employment Type: Contract Experience Level: 7+ years Rate: 45$/Hr on 1099/ C2C Overview We are seeking an experienced and detail-oriented Senior QA Engineer to drive quality strategy, test planning, and execution across multiple product teams. This role requires strong technical expertise in both manual and automated testing, leadership capabilities, and the ability to ensure delivery of high-quality, reliable software. The ideal candidate is proactive, collaborative, and passionate about building scalable QA processes. Key Responsibilities Lead overall QA strategy, planning, and execution across multiple teams or product releases. Design, develop, and maintain automated test scripts for regression, integration, and functional testing. Perform manual testing to validate new features, user workflows, usability, and edge cases. Test vulnerability fixes and ensure the application works as expected, validating that security patches do not introduce regressions or impact existing functionality. Collaborate closely with developers, BAs, and Product Owners to define clear acceptance criteria and ensure thorough test coverage. Establish and govern QA processes, standards, and best practices across teams. Review and analyze requirements, specifications, and technical design documents for clarity, completeness, and testability. Maintain and improve automation frameworks , integrating them seamlessly with CI/CD pipelines. Identify, document, prioritize, and track software defects , partnering with engineering teams for timely resolution. Mentor and guide junior QA engineers in both manual and automation testing techniques. Prepare and present testing progress, quality metrics, and release readiness reports to stakeholders. Qualifications Required 5+ years of experience in software QA, including 2+ years in a lead or senior QA role. Strong experience in both manual and automated testing for web or API-based applications. Hands-on expertise with automation tools such as Selenium, Cypress, Playwright, or Postman . Solid understanding of QA methodologies , SDLC, and Agile/Scrum practices. Proficiency with scripting languages such as Python, JavaScript, or Java for automation. Experience with CI/CD tools such as Jenkins, GitHub Actions, or Azure DevOps. Excellent analytical, debugging, and problem-solving skills. Strong communication and collaboration abilities. Experience with API testing and performance testing tools such as JMeter or LoadRunner. Knowledge of version control systems, particularly Git . Experience testing in AWS or other cloud environments . Familiarity with test management tools such as Jira, Zephyr, or TestRail . Competencies Demonstrated leadership and mentorship within cross-functional teams. High attention to detail with a passion for delivering high-quality, reliable software . Ability to balance strategic QA oversight with hands-on participation. Strong communication skills, able to translate technical issues into clear business outcomes.

Job Description Job Description Job Description: QA Mobile Automation Engineer (Java/Appium) Client: Southwest Airlines Location: Remote (Must be local to Dallas, TX) Rate: $50/Hr. Position Summary: Seeking a highly skilled QA Mobile Automation Engineer with 10+ years of experience in test automation and strong hands-on expertise in Java and Appium. The engineer will be responsible for building and maintaining automation frameworks for mobile and web applications used by Southwest Airlines. Key Responsibilities: Develop, enhance, and maintain automation frameworks using Java, Appium, Selenium, TestNG/JUnit. Automate test cases for iOS & Android applications using Appium. Build and execute API automation using RestAssured or equivalent tools. Integrate automated tests into CI/CD pipelines (Jenkins, GitLab, Azure DevOps). Perform regression, smoke, and sanity testing for releases. Work closely with product, development, and QA teams in Agile environment. Analyze test failures, log defects, and drive them to closure. Prepare test documentation and maintain traceability for all automated scenarios. Required Skills: 10+ years of QA Automation experience, with strong expertise in Java. 5+ years of mobile automation experience using Appium. Proven experience with Selenium WebDriver, TestNG/JUnit, and Page Object Model. Hands-on with Git, branching strategies, and CI/CD pipelines. Strong experience with API automation (RestAssured / Postman).