DevOps SRE (Build Engineer)

Position: Senior React Native Developer (4- 7 years)

Location: Remote (Company in Mumbai)

Company: Big Rattle Technologies Private Limited

Immediate Joiners only.

Summary:

We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.

Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.

KEY RESPONSIBILITIES

• Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
• Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
• Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
• Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
• Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
• Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
• Collaborate with designers, backend engineers, and product managers in Agile sprints.
• Conduct code reviews and mentor junior mobile developers.

Required Skills:

Core Mobile

▸ React Native CLI & Expo

▸ TypeScript

▸ React Navigation v6+

▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio

E-commerce & Integrations

▸ Product / Cart / Checkout flows

▸ Razorpay, Stripe, PayPal SDKs

▸ Wishlist, search UX, filters

▸ Order tracking & delivery status

▸ Push notifications & deep linking

State & Data

▸ Redux Toolkit / Zustand

▸ React Query / SWR

▸ REST & GraphQL APIs

▸ AsyncStorage / MMKV

▸ Firebase Realtime DB / Firestore

DevOps & Tooling

▸ Fastlane & GitHub Actions / Bitrise

▸ Jest (unit) & Detox (E2E)

▸ Firebase Crashlytics & Sentry

▸ Flipper / Reactotron

▸ App Store & Play Store deployments

Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK

• React Native New Architecture (JSI / Fabric / TurboModules)
• React Native Web or monorepo setups (Nx, Turborepo)
• AR product try-on experiences (ARKit / ARCore)
• Shopify Storefront API or WooCommerce SDK experience
• Accessibility (WCAG mobile) implementation
• Live order-tracking maps (Google Maps / Mapbox)

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Why should you join Big Rattle?

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

JOB DESCRIPTION:

Location: mumbai, bangalore, pune

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

We are looking for a Frontend Engineer who is passionate about building clean, performant, and intuitive user interfaces.

This role is ideal for someone who has expertise in React and Next.js, enabling you to architect and build scalable, high-performance, and user-centric web applications. You will leverage modern frontend patterns to deliver clean, maintainable, and production-grade interfaces.

• 1-2 years of work experience with JavaScript
• 1-2 years of work experience with React.js/Next.js

Apply with : https://app.skillbrew.ai/jobs/?id=93

Responsibilities

• Take ownership of frontend features from development to release
• Build responsive, reusable, and high-quality UI components using React / Next.js
• Convert designs into production-ready code with clean and maintainable standards
• Collaborate with backend engineers and designers to deliver features
• Integrate frontend applications with backend APIs, ensuring secure and efficient data flow
• Optimize component rendering, state management, and overall UI performance
• Implement lazy loading, code splitting, and caching strategies to improve Core Web Vitals
• Debug and fix cross-browser and cross-device UI issues
• Apply frontend security best practices (XSS, CSRF, secure input handling, authentication flows)
• Contribute to frontend architecture decisions for scalability and maintainability
• Continuously improve UI/UX based on feedback and analytics

Job Requirements / Skills

• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent practical experience
• 1–2 years experience building modern frontend applications
• Strong fundamentals in HTML, CSS, JavaScript, and OOP concepts
• Hands-on experience with React.js / Next.js and state management
• Understanding of performance optimization, accessibility, and security best practices
• Familiarity with REST APIs and frontend-backend integration
• Problem-solving mindset with attention to detail
• Strong ownership, collaboration, and communication skills
• Eagerness to learn new technologies and contribute to product vision

🧑‍💼 Sr. Purchase Engineer (Pharma)

📍 Ghatkopar | 🕤 9:30 AM–6:30 PM

📅 6 Days Working | Alternate Saturdays Off

🏢 Department: Purchase

💼 Exp: 3–5 yrs (Pharma Industry)

🎓 Diploma/Bachelor’s in Mechanical/Electrical

✨ Skills

🔧 Pharma/automation/equipment industry experience

🌐 Import/Export docs & procurement knowledge

🧠 Strategic, proactive & result-oriented

💬 Strong communication skills

💻 Excel, Word, PPT

📂 Detail-oriented & organized

🔹 Key Responsibilities

📦 Manage purchase requisitions & raw materials

🗂️ ERP-based PO handling & inventory tracking

🔍 Market research & vendor analysis

🤝 Supplier relationship management

📉 Cost analysis & savings initiatives

⚖️ Ensure compliance & ethical procurement

🔄 Optimize procurement processes

📑 Maintain records, price lists & agreements

📊 Analyse procurement metrics & budgets

🛡️ Risk management in supply chain

📈 Improve vendor performance & quality

📝 Support budget planning & cost control

🌟 Stay updated with industry trends

📧 Interested? Share your resume

Proposal Engineer: 

Number of Positions: 01                   

 Education Required:  BE/Mtech -Mechanical/Chemical

Experience: 4-5 Years                        

 Salary: negotiate at the time of the interview

Notice Period: Immediate joiner can be preferred

Background required for Manufacturing of Head Exchangers, pressure vessels & Heavy fabrication Industries.

Job Details

1.       Handling Enquiries 

a)     Review enquiry with respect to design and executions capability 

b)     Communicate with the customer for resolving incomplete, ambiguous and conflicting requirements.

2.       Thermal design (Aspen & HTRI software)

a)     Understand the customer requirement and carry out the thermal design in Aspen/HTRI

b) Selection of best design for the given parameters.

b)     Carry out the preliminary mechanical design

3.       Costing of equipment and calculate final price

a)     Carry out the costing based on mechanical design, and customer drawing in Excel format

b)     Send raw material inquiries to our supplier and get a quotation for major raw materials

4.       Preparation of GA drawing in Auto cad software if required by Customer.

5.       Prepare technical offer

a)  Review of Customer specifications and prepare Deviation list.

b)  Preparation of technical offer

c)  Discuss with the customer after submitting technical offer and sort-out there queries.

6.  Visit at customer office for technical discussion.

• 1 - 5 years of experience as React JS developer
• Strong proficiency in JavaScript, Typescript React, Redux, HTML5 and CSS.
• Familiarity with RESTful APIs and WebSocket communication
• Experience with responsive design and development.
• Strong hold of front-end functionalities including browser testing and debugging.
• Experience working in Agile development methodology is a plus
• Excellent communication skills and an ability to work effectively in cross-functional and collaborative teams

Work Location : Bangalore

Work mode : Work from office

This Recruitment is Specially for Physically Handicapped and Female Candidates belongs to a poor family.

Location: Remote

Experience Range: 8+ Years

Srijan’s team of enterprise Drupalists are helping our customers build cutting-edge web experiences, migrate to Drupal, tune and improve their Drupal implementations, and advise on all things Drupal and web architecture. With the rapid adoption of Drupal as a web platform, and with our growing number of technical development  projects supporting our clients and partners, our Technical Architects are in high demand. They consult remotely or travel on-site periodically to work with some of the most talented technologists and some of the hottest web properties on leading-edge web development projects. Engagements vary by customer and can include anything from custom coding and mentoring of partner and  client teams to application design and ongoing guidance on architecture through development and application launch.

• Prior experience building, leading and architecting Drupal
  • Knowledge of Drupal 8, 9 is a
  • Knowledge of at least 1-2 non php
  • Perform complex Drupal development tasks including custom module development using the Drupal API system and hooks from major  Drupal core systems
• Ability to guide technical discussions with both technical and non-technical audiences
• Ability to negotiate mutually agreeable outcomes with clients, partners, and Srijan stakeholders.
• Ability to perform complex Drupal development tasks including custom module development using the Drupal API system and hooks from major Drupal core systems
• Experience defining and scope a technical solution for large scale Drupal projects
• Experience working in a consulting or agency environment with direct interaction with enterprise-level clients
• Excellent ability to partner with both internal and external
• Strong leadership and presentation

• Passion for the web, open-source
• Deep experience architecting web
  • Understanding of  HTTP Layers
  • Understanding of API Modeling
  • Understanding the caching layers
  • Understanding of Microservice
  • Understanding of the Event bus
• PHP, Drupal, MySQL, SQL administration, and optimization, and Unix/Linux or Windows
• 5+ years relevant experience developing Drupal
• Must be a self-starter that thrives in a fast-paced work
• Knowledge of or experience with other CMS technologies and/or open-source technology is a
• Long-time Drupalists, that are active contributors, are well rewarded, but we’ll also help great developers and consultants become one
• Experience providing technical support or consulting strongly
• Strong problem-solving abilities, initiative, and the ability to thrive under
• Excellent interpersonal and English communication
• Bachelor's or Master's degree in Computer Science or related discipline preferred
• Understanding of Virtualisation and
• Well versed with Build, Bake and Run process of CI/CD
• Understanding of Debugging, Performance optimization and CI/Cd
• Should have a pulse of the latest technology

Technical Proficiency:
Experience in leading self-service offering to business users. Tableau experience in Architecture, Administration and development is must.

• Experience in supporting and administration of middleware software systems in an enterprise setting. Excellent troubleshooting skills in a complex enterprise environment.
• Hadoop / Big Data domain experience is required, as is exposure to ecosystem technologies such as Hive, Impala and Spark.
  Data Warehouse/ETL design and development methodologies knowledge and experience required
• Scripting experience in Linux shell scripting and Python.
• Good SQL skills.
• Integrate/roll-out/administer/sustain/upgradeour installations of vendor BI products on Linux.
• Ensure products are configured properly to meet the necessary security, supportability, and performance requirements.
  Experience with developing frameworks and utility services including logging/monitoring
  
  Leadership Skills:
  o    Lead the team on Strategic BI and Big Data Governance.
  o    Excellent organization skills, attention to detail
  o    Demonstrated sense of responsibility and capability to deliver quickly
  o    Ability to build strong relationships in a multi-cultural environment across all levels within IT
  o    Promotes continuous process improvement especially in code quality, testability & reliability
  o    Exceptional strategic analysis, problem solving, issue resolution and decision making skills
  o    Excited about rapid changes in the market/domain and being flexible to adopt newer technologies and methods.
  
  Education: