11+ Black-box testing Jobs in Mumbai | Black-box testing Job openings in Mumbai

Job Title: Draftsman (Mechanical / Equipment Design)

We are seeking a detail-oriented and technically proficient Draftsman with hands-on experience in AutoCAD and industrial equipment design. The ideal candidate will be responsible for preparing precise engineering drawings, coordinating with internal teams and clients, and supporting design and costing activities for equipment used in the pharma and process industries.

Qualifications

BE / Diploma in Mechanical Engineering

Required Skills

Strong hands-on experience with AutoCAD

Experience in fabrication drawings, preferably for vessels and process equipment

Familiarity with engineering standards such as ASME, API, TEMA, and PED

Basic knowledge of BOQ preparation and costing

Ability to read, interpret, and review technical drawings and specifications

Good communication and coordination skills

Strong analytical and problem-solving abilities

Key Responsibilities

Prepare GA (General Arrangement), P&ID, and layout drawings

Design and draft equipment such as pressure vessels, heat exchangers, and storage tanks

Prepare mechanical data sheets

Ensure designs are efficient and cost-effective

Prepare BOQs and support costing activities

Coordinate with internal departments and clients for design-related tasks

Prepare and verify Bills of Materials (BOM)

Review specifications, sketches, and drawings to determine design requirements

Modify and revise designs to enhance performance and reduce production issues

Assist in preparing technical and commercial offers

Support project execution through proper documentation and drawing control

Full Stack MERN Developer (Contract-Based)

Role Overview: We are looking for highly skilled Full Stack MERN Developers to join our team for a high-impact, 6-month contract engagement. This is an in-house, contract-based role based in South Bombay. You will be responsible for building, scaling, and maintaining robust web applications, contributing directly to our core product architecture.

Key Responsibilities:

• Develop and maintain scalable, high-performance web applications using the MERN stack.
• Architect and build modular backend services using NestJS and frontend interfaces using Next.js.
• Collaborate with the internal product team to deliver new features and optimize existing workflows.
• Implement secure RESTful APIs, manage database schemas (MongoDB), and ensure seamless frontend-backend integration.
• Maintain clean, maintainable, and well-documented code that adheres to industry standards.

Technical Requirements:

• Experience: 3–5 years of professional experience in Full Stack development.
• Core Stack: Expert-level proficiency in MongoDB, Express.js, React.js, and Node.js.
• Required Frameworks: Hands-on professional experience or deep working knowledge of Next.js (Frontend) and NestJS (Backend).
• Language: Advanced proficiency in JavaScript (ES6+) and TypeScript.
• Bonus: Experience with AI-assisted coding tools or integrating LLM APIs is highly preferred.
• Soft Skills: Ability to operate independently in a fast-paced environment and excellent problem-solving skills.

Contract Details:

• Type: In-house, Contract-based (6 Months, extendable).
• Location: South Bombay.
• Opening Count: 5 Positions.
• Availability: Immediate joiners preferred (must be able to join by next week).

Job Description:

· Proficient In Python.

· Good knowledge of Stress/Load Testing and Performance Testing.

· Knowledge in Linux.

Function / Department: Engineering – Electrical & Instrumentation

About the Role

This role involves leading the Electrical & Instrumentation (E&I) design and estimation function for water and wastewater treatment projects. The position focuses on design calculations, tender evaluation, proposal support, and vendor coordination to ensure technical accuracy and cost efficiency in project delivery.

Work Location: Airoli, Navi Mumbai

Desired Candidate Profile

Qualification:

• B.E. / B.Tech in Electrical or Instrumentation Engineering

Experience:

• Minimum 10–15 years of total experience, with at least 7 years in the water industry (Water Treatment, Wastewater Treatment, Desalination, or similar domains)

Key Skills & Expertise

• Design and estimation of MCC, PLC, cabling, and field instruments
• Hands-on experience in process and proposal engineering for E&I estimation
• Strong understanding of tender specifications and ability to estimate E&I scope accurately
• Vendor and client coordination for technical clarifications and commercial evaluations
• Proficiency in preparing design documents, datasheets, and engineering drawings

Key Responsibilities

• Perform design calculations for electrical panels, MCCs, cables, and earthing systems
• Estimate power consumption, size motors and MCCs based on plant requirements
• Review tender documents and prepare specifications and datasheets for MCCs, motors, cables, and LPBS
• Develop single line diagrams (SLDs), schematic diagrams, and VFD panel specifications
• Prepare plant layouts for cable trays, earthing systems, and related E&I infrastructure
• Generate load lists (process & supply) based on mechanical and process inputs
• Prepare cable and interconnection schedules for WTP/STP/ETP projects
• Create instrument indices, IO lists, JB schedules, SOV box schedules, and RFQs for PLC systems and field instruments (PG, PT, MGFT, LS, LG, analyzers, etc.)
• Conduct technical evaluations of vendor offers for MCCs, motors, cables, VFDs, PLCs, and instruments
• Participate in inspection, testing, and FATs for panels and E&I systems at vendor facilities
• Support internal and client project review meetings, resolving technical queries from clients and vendors

Reporting To: Head – Engineering (E&I)

Klimb.io was founded by an ISB Alumni who has been solving hiring problems since 2012 and has worked with Naukri.com, Shaadi.com, and Expedia.com etc. Our foundation is based on his extensive experience and domain knowledge in Technology, Software Product Management & Recruiting.

We are seeking a detail-oriented and proactive Accounts Executive responsible for managing day-to-day accounting operations, statutory compliance, payroll, financial reporting, and administrative coordination. The ideal candidate with solid understanding of GST, TDS, and financial reporting, along with the ability to streamline administrative processes and ensure timely execution of recurring and annual financial obligations.

Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchain, ML & AI, Complex mobile & web apps, IoT, etc.

The ideal candidate will be responsible for developing a highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with an optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open-source code.
-Cooperating with the back-end developer in the process of building the RESTful API
-Ensuring high performance on mobile and desktop

Desired Candidate Profile:-
-Good problem-solving skills is a must
-Must be familiar with Angular latest version and above
-Strong in Core web fundamentals: HTML, JavaScript, and CSS
-Must be experienced in web development & dynamic websites
-Familiar with various design and architectural patterns
-Experience using JavaScript building tools like Gulp or Grunt.
-Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
-Strong oral and written skills
-Creating custom, general use modules, and components which extend the elements and modules of core AngularJS
-Ability to self-learn

How we are different 
 -We are a young and dynamic team who are obsessed with solving the business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to the business problem rather than technology

 Why join us
 -We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loyalty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

• Apply knowledge of Javascript (ES6) including all the latest features
• Usage of third party libraries for Maps, UI scaling, Styles, Secure storage, Permissions, Navigation, Splash screen, Network. Analytics. Push notifications, Localization, Calendar, etc.
• Build and run apps using Xcode, and Android Studio
• Persistence support using frameworks like Realm
• Comprehend performance issues and solve them
• Knowledge of Git (including merging, branching and resolving merge conflicts)

• Ability to create flexbox driven UI layout
• Configuring ESLint for JS code linting
• Being aware of alternate state management mechanisms like MobX
• Is proficient in either iOS or Android programming too.

• Knowledge of all aspects of React framework
• Components, containers, JSX specification of component UI layout, Component lifecycle
• Props and State mechanism used for data flow
• Various kinds of views (text, button, scroll view, flat list, etc.)
• Navigation
• RN animations and gesture system fundamentals
• Redux state management library
• React Router usage
• JSON/XML parsing

Key Skills:

Strong knowledge in English writing, editing, vocabulary and grammar.

Good interpersonal skills and communication .

Excellent creativity skills and passion for innovative content creation.

Preferrable for writting curriculumn

Master's, Bachelor's degree or equivalent in creative writing, journalism, English, or related field preferred.