UI Designer

Job Title: Senior/Lead Performance Test Engineer (JMeter Specialist)

Experience: 5-10 Years

Location: Remote / Pune, India

Job Summary:

We are looking for a highly skilled and experienced Senior/Lead Performance Test Engineer with a strong background in Apache JMeter to lead and execute performance testing initiatives for our web and mobile applications. The ideal candidate will be a hands-on expert in designing, scripting, executing, and analyzing complex performance tests, identifying bottlenecks, and collaborating with cross-functional teams to optimize system performance. This role is critical in ensuring our applications deliver exceptional user experiences under various load conditions.

Key Responsibilities:

Performance Test Strategy & Planning:

Define, develop, and implement comprehensive performance test strategies and plans aligned with project requirements and business objectives for web and mobile applications.

Collaborate with product owners, developers, architects, and operations teams to understand non-functional requirements (NFRs) and service level agreements (SLAs).

Determine appropriate performance test types (Load, Stress, Endurance, Spike, Scalability) and define relevant performance metrics and acceptance criteria.

Scripting & Test Development (JMeter Focus):

Design, develop, and maintain robust and scalable performance test scripts using Apache JMeter for various protocols (HTTP/S, REST, SOAP, JDBC, etc.).

Implement advanced JMeter features including correlation, parameterization, assertions, custom listeners, and logic controllers to simulate realistic user behavior.

Develop modular and reusable test assets.

Integrate performance test scripts into CI/CD pipelines (e.g., Jenkins, GitLab CI, Azure DevOps) for continuous performance monitoring.

Test Execution & Monitoring:

Set up and configure performance test environments, ensuring they accurately mimic production infrastructure (including cloud environments like AWS, Azure, GCP).

Execute performance tests in various environments, managing large-scale load generation using JMeter (standalone or distributed mode).

Monitor system resources (CPU, Memory, Disk I/O, Network) and application performance metrics using various tools (e.g., Grafana, Prometheus, ELK stack, AppDynamics, Dynatrace, New Relic) during test execution.

Analysis & Reporting:

Analyze complex performance test results, identify performance bottlenecks, and pinpoint root causes across application, database, and infrastructure layers.

Interpret monitoring data, logs, and profiling reports to provide actionable insights and recommendations for performance improvements.

Prepare clear, concise, and comprehensive performance test reports, presenting findings, risks, and optimization recommendations to technical and non-technical stakeholders.

Collaboration & Mentorship:

Work closely with development and DevOps teams to troubleshoot, optimize, and resolve performance issues.

Act as a subject matter expert in performance testing, providing technical guidance and mentoring to junior team members.

Contribute to the continuous improvement of performance testing processes, tools, and best practices.

Required Skills & Qualifications:

Bachelor's degree in Computer Science, Engineering, or a related field.

5-10 years of hands-on experience in performance testing, with a strong focus on web and mobile applications.

Expert-level proficiency with Apache JMeter for scripting, execution, and analysis.

Strong understanding of performance testing methodologies, concepts (e.g., throughput, response time, latency, concurrency), and lifecycle.

Experience with performance monitoring tools such as Grafana, Prometheus, CloudWatch, Azure Monitor, GCP Monitoring, AppDynamics, Dynatrace, or New Relic.

Solid understanding of web technologies (HTTP/S, REST APIs, WebSockets, HTML, CSS, JavaScript) and modern application architectures (Microservices, Serverless).

Experience with database performance analysis (SQL/NoSQL) and ability to write complex SQL queries.

Familiarity with cloud platforms (AWS, Azure, GCP) and experience in testing applications deployed in cloud environments.

Proficiency in scripting languages (e.g., Groovy, Python, Shell scripting) for custom scripting and automation.

Excellent analytical, problem-solving, and debugging skills.

Strong communication (written and verbal) and interpersonal skills, with the ability to effectively collaborate with diverse teams and stakeholders.

Ability to work independently, manage multiple priorities, and thrive in a remote or hybrid work setup.

Good to Have Skills:

Experience with other performance testing tools (e.g., LoadRunner, Gatling, k6, BlazeMeter).

Knowledge of CI/CD pipelines and experience integrating performance tests into automated pipelines.

Understanding of containerization technologies (Docker, Kubernetes).

Experience with mobile application performance testing tools and techniques (e.g., device-level monitoring, network emulation).

Certifications in performance testing or cloud platforms.

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

 • Gather and evaluate user requirements in collaboration with product managers and engineers • Illustrate design ideas using storyboards, process flows and sitemaps • Design graphic user interface elements, like menus, tabs and widgets • Build page navigation buttons and search fields • Develop UI mock-ups and prototypes that clearly illustrate how sites function and look like • Create original graphic designs (e.g. images, sketches and tables) • Prepare and present rough drafts to internal teams and key stakeholders • Identify and troubleshoot UX problems (e.g. responsiveness) • Conduct layout adjustments based on user feedback • Adhere to style standards on fonts, colors, and images Requirements: • Proven work experience as a UI/UX Designer or similar role • Portfolio of design projects • Knowledge of wireframe tools (e.g., Figma, Wireframe.cc, or InVision) • Up-to-date knowledge of design software like Adobe Illustrator and Photoshop • Team spirit; strong communication skills to collaborate with various stakeholders • Good time-management skills What We Offer: • An opportunity to work in a rapidly growing company with potential for personal and professional growth. • A collaborative and inclusive culture that values each employee’s contribution towards our goals. • Competitive compensation package including attractive bonus structures and benefits 

Responsibilities:

 Leads technical design and development.

 Ensure high-quality, scalable, and testable application architecture through

rigorous design leadership and best practices.

 Owning complex features, writing quality code and tests, mentoring engineers,

and championing quality standards within a CI/CD environment.

Experience and Expertise Requirement :

 8+ years related software development experience.

 Proficiency in Java, SQL, Mongo and Angular, JavaScript, TypeScript, NodeJS.

 Working experience in Angular 6+

JOB DESCRIPTION

 Expertise in Gen AI frameworks, Lang Chain ecosystem, Hugging Face,

LLM capabilities, AI cost optimization

 Very strong programming skills and should be able to write optimized,

modular code.

 Should have good communication, and interpersonal skills.

 Ability to work in faced-paced agile environment and cope with the speed of

scrum process.

 Strong problem-solving skills and attention to detail.

 Traits to take ownership of the components and deliver work that including

development, unit testing, and bug-fixing.

 Deep understanding of design principles

 Strong architecture knowledge with experience in HLD + LLD

 Very strong debugging & problem-solving skill

 Ownership mindset and ability to lead design

 Ability to mentor other engineers

 Strong coding excellence (clean code, SOLID, modular design)

 Hands-on across Java, Node, Angular, SQL, Mongo

 GenAI stack proficiency & integration patterns

 Debugging proficiency is required across:

 Distributed services

 API integrations

 UI state management

 Query performance issues

 AI pipeline debugging (Lang Chain, LLM cost optimization, prompt

chains)

JOB DESCRIPTION

1.Supervisory Responsibility

This position may have supervisory responsibilities.

Educational Qualification

 Bachelor’s degree in computers or software engineering or

 Master’s degree in computer science, Computer Applications

Responsibilities

• Manage the relationship with the CXO level at the client side.
• Act as a consultant and efficiently and amicably negotiate the timeline and scope with clients
• Manage relationships at various levels at client-side and ensure the business growth of Lentra by cross-selling its products
• Effectively work with various delivery teams and track the adherence of committed timelines
• Ensuring customer satisfaction and handling client communication including weekly status calls.
• Project estimation and handling pre-sales call when required

Candidate requirements

• Excellent client management skills (7+ years of experience in client interfacing role a minimum of 5+ years experience in managing client)
• Preferred to have programming background in any open-source language (e.g. Java, or . Net) and should still be well aware of key concepts
• Extensive experience in project/program management, resource management, scheduling, planning, deployment, support, and training.
• Experience in managing change requests and prioritization in a fast-changing environment.
• Excellent understanding of process management, improvement practices, change management process, operation services.
• Experience managing multiple clients
• Good communication and negotiation skills.
• Excellent articulation skills and should be a master of proactive communication
• Should act as an efficient bridge between the client and the delivery team
• Should be able to create impressive reports for external and internal stakeholders to manage the perception and raise timely escalation\
• Candidates from premier institutes are preferred.
• 30% travel time will be required.

Location & commitments

• This is a Permanent Opportunity.
• 
  
• Job Location is Chennai

• Design and Build advanced applications for the Android.
• Work with outside data sources and Rest API's
• Worked on MVVM architecture, third party libraries etc.
• Experience with Kotlin, Rxjava.

1. We are looking for Javascript wizards who can work with designers, product managers to collaboratively own the front-end, building responsive and elegant mobile+desktop web UIs at Mobishaala. Bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

• Assisting and coordinating with operations team
• supporting administrative staff
• conducting marketing research
• documentation and reporting to the operations department
• preparing reports on competitor product analysis
• ensuring if everything is working in a perfect manner
• using technology to keep the company updated behind the curtains
• Should be responsible for efficient dealing of complaints to completion and enabling satisfaction of customer.
• Responsible for rendering useful administrative support to other members of the customer care team.
• Responsible for documenting all calls with regards to participant inquires accurately using Call Tracking System.
• Responsible for monitoring Call tracking for responses from administrative team so call returns are done in a timely fashion.
• Responsibility is to Follow-up with participants within a 24-hour period in regards to the initial phone call even if it is to just touch base and let participant know inquiry is still be researched.
• Responsibility is to answer participant questions, as well as question participants to obtain full understanding of what information is being requested.