Business Development Associate

Job Title : QA Lead (AI/ML Products)

Employment Type : Full Time

Experience : 4 to 8 Years

Location : On-site

Mandatory Skills : Strong hands-on experience in testing AI/ML (LLM, RAG) applications with deep expertise in API testing, SQL/NoSQL database validation, and advanced backend functional testing.

Role Overview :

We are looking for an experienced QA Lead who can own end-to-end quality for AI-influenced products and backend-heavy systems. This role requires strong expertise in advanced functional testing, API validation, database verification, and AI model behavior testing in non-deterministic environments.

Key Responsibilities :

• Define and implement comprehensive test strategies aligned with business and regulatory goals.
• Validate AI/ML and LLM-driven applications, including RAG pipelines, hallucination checks, prompt injection scenarios, and model response validation.
• Perform deep API testing using Postman/cURL and validate JSON/XML payloads.
• Execute complex SQL queries (MySQL/PostgreSQL) and work with MongoDB for backend and data integrity validation.
• Analyze server logs and transactional flows to debug issues and ensure system reliability.
• Conduct risk analysis and report key QA metrics such as defect leakage and release readiness.
• Establish and refine QA processes, templates, standards, and agile testing practices.
• Identify performance bottlenecks and basic security vulnerabilities (e.g., IDOR, data exposure).
• Collaborate closely with developers, product managers, and domain experts to translate business requirements into testable scenarios.
• Own feature quality independently from conception to release.

Required Skills & Experience :

• 4+ years of hands-on experience in software testing and QA.
• Strong understanding of testing AI/ML products, LLM validation, and non-deterministic behavior testing.
• Expertise in API Testing, server log analysis, and backend validation.
• Proficiency in SQL (MySQL/PostgreSQL) and MongoDB.
• Deep knowledge of SDLC and Bug Life Cycle.
• Strong problem-solving ability and structured approach to ambiguous scenarios.
• Awareness of performance testing and basic security testing practices.
• Excellent communication skills to articulate defects and QA strategies.

What We’re Looking For :

A proactive QA professional who can go beyond UI testing, understands backend systems deeply, and can confidently test modern AI-driven applications while driving quality standards across the team.

Senior AI Engineer — .NET / C# 📍 Coimbatore / Chennai · Hybrid | 6+ Years | Immediate – 15 Days Notice

About Techjays

We build production-grade AI systems for enterprise clients across the US, UK, and Australia. As an Anthropic partner, we work at the frontier of AI — not experiments, but real systems that ship and scale. Our team includes engineers from Google, Akamai, NetApp, and Capgemini.

What You'll Do

• Build and ship .NET applications for enterprise clients — from design to deployment
• Integrate LLM APIs (Claude, OpenAI, Azure OpenAI) into production .NET services
• Use Claude Code daily for coding, debugging, and code reviews
• Build React UIs from wireframes to production
• Own SQL Server architecture, optimisation, and EF migrations
• Lead code reviews and mentor the team
• Work with PMs and Delivery Managers to hit sprint goals

What We're Looking For

• 6+ years in .NET — C#, ASP.NET Core, Entity Framework
• Hands-on with Claude Code or similar AI coding tools
• Strong Azure — App Services, Functions, Service Bus, Cosmos DB, DevOps
• Solid React — hooks, state management, component architecture
• Expert SQL Server skills
• Experience with RESTful and GraphQL APIs at scale
• Good grasp of Clean Architecture, DDD, CQRS, microservices

Bonus: Python, Docker, vector databases, Semantic Kernel, SignalR, GCP/AWS

Why Join

• Greenfield projects — you design the architecture
• Anthropic partner — early access to frontier AI tools
• Global client exposure with real business impact
• Team of engineers who've built at scale

Responsibilities:

• Lead technical processes and designs with a focus on reliability, scalability, and maintainability.

• Review developmentteam code to ensure quality and adherence to standards.

• Mentor junior developers and foster talent development.

• Collaborate with Infrastructure teams for optimal hosting environments.

• Define scalability and performance benchmarks for applications.

• Ensure compliance with performance, privacy, and security requirements.

• Validate test plans for security and performance adherence.

• Support business and technical presentations related to technology solutions.

• Mitigate risks by following procedures and monitoring controls.

• Develop cost-effective solutions aligned with business requirements.

• Implement best practices consistent with corporate standards.

• Partner with cross-functionalteams to ensure project success.

• Manage software development lifecycle and drive process improvements.

• Estimate costs for modules/projects, including effort and expenses.

• Research and evaluate technologies for solution design.

• Construct end-to-end application architecture.

Qualifications:

• Bachelor's degree required; Master’s or equivalent experience preferred.

• Minimum of 6 years of related experience.

• 6+ years of active development experience in Java/J2EE-based applications.

• Expertise in Hibernate, JPA, Spring, and Spring MVC.

• Exposure to XML/XSD, JSON, and similar data presentation components.

• Familiarity with microservices architecture and distributed systems.

• Experience developing and working with REST APIs using the Spring Boot framework.

• Knowledge of IBM MQ and messaging protocols like JMS.

• Proficiency in Unix/Linux OS and shell scripting.

• Strong database and PL/SQL skills.

• Experience with CI/CD tools such as GIT, Jenkins, JoCoCo, and Maven.

• UI framework experience with Angular, NodeJS, and NPM is a plus.

• Familiarity with CSS, HTML, JavaScript, and related UI frameworks (jQuery, React, Angular) is a plus.

• Understanding of Agile development methodology.

Job Insights - Must-Have Skills:

• Minimum of 6 years of related experience.

• 6+ years of active Java/J2EE development experience.

• Expertise in Hibernate, JPA, Spring, and Spring MVC.

• Familiarity with microservices architecture.

• Experience developing REST APIs using Spring Boot.

We are looking for a Full Stack Lead having worked on NodeJS and React with total experience of 4 to 6 years. Minimum two year of experience in NodeJS, React and Redux is required for this position.

Responsible for requirements understanding, propose architecture, detailed design, development and timely deliverables with the highest quality standards.

We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.

This person should have worked in Enterprise class product from scratch. Start-up experience would be highly desirable.

Tech Stack: Node.js, React.js, HTML, CSS, AWS, MySQL, MongoDB, Mix panel/Metabase, Instamojo and Razor Pay, Google Analytics, FB Pixel, SEO, Dev Ops, CI/CD, Micro services, Unit Testing

Responsibilities

·      Will be responsible for designing and developing web-based enterprise class solutions using NodeJS, React and Redux.

·      Should be expert in writing Unit Test Cases with NodeJS and React and with quality.

·      Excellent communication and presentation skills.

·      Proven experience as an individual contributor/Architect.

·      Should be able to quicky come up with system design by understanding business requirement and translate into good quality product.

·      Building reusable components and front-end libraries for future use.

·      Translating designs and wireframes into high quality code.

·      Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

Skills

·      Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

·      Thorough understanding of React.js, HTML, CSS and its core principles

·      Experience with popular React.js workflows (such as Flux or Redux)

·      Familiarity with newer specifications of ECMAScript

·      Experience with data structure libraries (e.g., Immutable.js)

·      Knowledge of isomorphic React is a plus

·      Familiarity with RESTful APIs

·      Knowledge of modern authorization mechanisms, such as JSON Web Token

·      Familiarity with modern front-end build pipelines and tools

·      Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

·      Knowledge of CI/CD and should have worked on at least one tool like Jenkins etc.

·      Ability to understand business requirements and translate them into technical requirements

·      A knack for benchmarking and optimization

·      Familiarity with GIT Technology like GitHub, Bitbucket

Desirable (Nice to Have skills):

·      Knowledge of Data analytics platform like Meta Base.

·      Good understanding of digital marketing, Google & FB Analytics, consumer funnel data tracking tools, including SEO.

·      Experience of e-commerce start up would be an added plus.

·      Scaling experience using AWS, knowledge of EBS, Docker, Kubernetes, Microservices.

·      AWS Certification would be an added plus.

·      Knowledge of Dev/Ops and should be able to set up CI/CD quickly.

·      Participation in Hackathons is an added plus.

Eligibility

BTech or MTech in Computer Science from a reputed institute, IIT, NIT, BITS Pilani, COEP (Pune), VJTI, BHU or ISM

Good knowledge on Data Structure and Algorithms.

• Dialing 50-80+ calls and counseling students who have enquired about the product/ services.
• Scheduling free demo lectures for the students.
• Doing post demo calls and closing sales.
• Maintaining a pipeline of all sales administration using CRM software.
• Work on targets and under pressure as this is a hardcore sales profile.
• Flexible to work on additional days and hours.

• Working closely with the client (typically Marketing / Communication heads) to understand their needs, company goals, vision, and prepare a high-level strategy spanning multiple platforms and types of content.
• Breaking down the client’s requirements in the form of a more granular content calendar
• Coordinating with designers, videographers, and other stakeholders to ensure overall smooth project flow and client satisfaction
• Doing primary or secondary research, as and when required, depending on the context
• Ensuring that the client receives error-free content and copy that is free of plagiarism
• Repurposing existing content into buckets that can be reposted on different platforms
• Brainstorm (along with the Account Manager) about how to drive traffic to the existing content and to improve overall KPIs for the client
• Diligent tracking and analytics of what's working and what's not working, and how to optimiz content for the next cycle

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Keeping informed of advancements in the field of Node.js development.