Senior Software Engineer (Python

Frontend Engineer (Next.js / React / TypeScript)

Position Summary

We are seeking a Frontend Engineer with deep expertise in Next.js, React, and TypeScript to join our growing engineering team. The ideal candidate will have experience building scalable, modern web applications, with strong knowledge of Tailwind CSS for styling and proficiency in integrating with MongoDB backends and AI/LLM APIs (e.g., OpenAI). You will work closely with backend engineers and AI specialists to build seamless user interfaces that power cutting-edge AI-driven applications.

Key Responsibilities

• Develop, optimize, and maintain frontend features using Next.js, React, and TypeScript.
• Implement responsive and scalable UI components with Tailwind CSS.
• Integrate with backend APIs built on MongoDB and other data sources.
• Work with AI/LLM APIs (OpenAI, LangChain, etc.) to deliver intelligent, context-aware features.
• Collaborate with backend and AI engineers to ensure efficient data flow and optimal performance.
• Write clean, reusable, and testable code with strong attention to detail.
• Participate in code reviews, sprint planning, and product design discussions.

Required Skills/Qualifications

• Strong proficiency with Next.js, React, and TypeScript.
• Experience with Tailwind CSS and modern component-based UI development.
• Familiarity with integrating MongoDB backends into frontend applications.
• Experience consuming AI APIs (OpenAI, HuggingFace, etc.).
• Understanding of REST and GraphQL API consumption.
• Strong problem-solving skills, debugging, and optimization techniques.
• Excellent collaboration and communication skills.

Preferred Skills/Experience

• Experience with SSR (Server-Side Rendering) and ISR (Incremental Static Regeneration) in Next.js.
• Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
• Exposure to vector databases or AI-driven UI personalization.
• Prior experience working in a SaaS or data-heavy application environment.

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation. 
 

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

About the position

F5 is looking for a Software Engineer with expertise in designing Web UI automation solutions to test high-scale distributed systems. You will collaborate with architects and application development teams to vet and validate test automation for an edge computing platform that is used to deploy global, scalable and secure applications.

Responsibilities:

• Understand the product architecture and come up with a frontend testing strategy such that quality is driven into the heart of the development process

• Perform integration tests on web services & APIs using SauceLabs, Postman, Swagger and other testing tools

• Design test and automation infra to test functionality, scale, performance, and reliability to ensure predictable delivery of quality releases

• Design and implement different test strategies - black box, grey box, and white box - to ensure the product is finished, secure, and effective

• Research, recommend and implement tools as needed to ensure quality

• Build test frameworks working within CI/CD pipeline processes, and provide automation expertise to development teams

Minimum Qualifications:

• Experience in designing automation software from the ground up, choosing the right infrastructure components, evaluating both open source and closed source software

• Hands-on experience with JavaScript (TypeScript will be a plus)

• Strong working knowledge of test automation frameworks and tools: Selenium, WebDriver, SauceLabs, Protractor, Gitlab CI, Jenkins, Jasmine, Karma

• Practical experience with CI/ CD methodologies & tools

• Good understanding of Testing fundamentals, Bug life cycle, SDLC, STLC, Smoke testing, Sanity testing, Regression testing

• Prior working experience in Web-based projects with a strong understanding of UI, cross-browser compatibility, general web functions, and standards is a must.

• Good written and verbal communication skills and flexibility to work with teams in different time zones

• BS/MS degree in Computer Science or equivalent with 6-10 years of experience in software development and/or test automation

Desirable:

• Experience with load balancer products such as F5, Envoy, Nginx, HA proxy

• Experience with Kubernetes container technology, Terraform, AWS

• Good understanding of networking protocols, HTTP/HTTPS, Proxies TCP, UDP, IP, HTTP, SSL, DNS, FTP, origin pools, etc

About the company

F5 provides a distributed cloud platform to deploy, connect, secure and operate applications and data across multi-cloud and edge sites. Line-of-business leaders can drive business transformation and automation by distributing workloads closer to business activity. DevOps teams can manage fleets of applications and infrastructure with less complexity. Network teams can simplify application connectivity and security across clouds.

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination.  F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. 

Job Description: We are looking for a UI Developer HTML & CSS Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a desktop and mobile web app, with a focus on performance.

Key Skills: HTML5, CSS3, Bootstrap, Jquery and JavaScript.

About the company:

NowPurchase is transforming the 140B$ Metal Manufacturing industry. The metal industry forms the backbone of the economy and the fundamental block of the physical world - be it transportation, construction and every machinery. NowPurchase is building a rich, digital marketplace where Metal Manufacturers can procure high quality raw materials in a trusted manner. At the same time we are building the OS (Operating System) that will supercharge their productivity and processes to ultimately make procurement autonomous. Now Purchase raises USD 2.4 million in Nov 2021, led by Orios Venture Partners, InfoEdge Ventures.

About you: 

We are looking to add an immensely talented Senior Front End Engineer that will help us invent, design, refine and deliver products that will meet our vision. Expect to build a lot of web interfaces and dashboards both for the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises. You need to lead the front end team to make sure they are delivering high quality code and are constantly inspired to experiment with tools to push out MVPs.

Roles & Responsibilities:

• You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
• Deliver high quality modular code deployed over web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets.. This would include visual dashboards and real time optimizations that are critical for the manufacturing process.
• Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
• Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
• Transform UI designs and mockups into pages and flows using CSS3 and JavaScript frameworks. Be ready to do the mockups yourself sometimes.
• Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
• Have an exceptional understanding of asynchronous request handling, partial page updates, and service workers and command over the internals of JavaScript, React and Redux.
• Continuously evaluate existing engineering processes and recommend improvements.

Required Skills and qualification:

• 4+ years’ experience developing rich UI/Front-end for user-facing web applications.
• Strong experience with React or similar frameworks, TypeScript, SSR (Server Side Rendering), SPA (Single Page Application), PWA (Progressive Web application), OOP (Object Oriented Programming), Reactive programming, and Unit tests.
• Demonstrated ability to function as a project leader as well as an individual contributor.
• Excellent communication and facilitation skills.

Tech Stack skills required:

• React/Redux
• Python/Django/Celery
• Git, AWS, ELB (Elastic Beanstalk), Netlify
• PostgreSQL/Redis/S3

Location: 

On- site: Kolkata, West Bengal

Compensation & Benefits:

• Cash Compensation: As per industry standards & pedigree of candidate
• ESOPs: 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
• Medical Insurance: Benefits of group insurance of 3 lakhs for family including parents, spouse, children
• Generous leave structure and WFHs including Marriage, Maternity & Paternity leaves
• Complete Relocation Expenses: We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.

Company Link: https://nowpurchase.com">https://nowpurchase.com

LinkedIn: https://www.linkedin.com/company/nowpurchase/">https://www.linkedin.com/company/nowpurchase/

We are one of the Fast-Growing Software System Integrator and Software Services Company focused on Communications IT. We combine our deep insight in communication industry, unmatched

technical expertise and comprehensive service portfolio to deliver to superior value to our Telecom Services Providers, ISVs and OEM customers. Since our beginning in 2006, we have grown in size and

scale. We bring in unmatched passion and commitment into each new engagement to make it a success. These qualities have earned us respect from customers across the world. Some of the most

well-known communication service providers trust us to design and manage their business-critical IT systems and processes.

Role: Angular Developer
Experience: 3 - 6 years.

• Develop new-user facing features using React.Js and Redux, D3.Js
• Build robust, reusable, and easy to maintain components.
• Translate designs and mock-ups into high quality code.
• Work closely with the Support team and Product team to identify issues and bugs in the platform and fix it.
• Completely own the SDLC of your tickets. From dev to production.
• Talk to existing clients about platform bugs and ensure the bugs are fixed.

• Minimum 4 years’ experience with React.js and Redux
• You are a well-organised self-starter with excellent communication skills
• You have thorough and demonstrable understanding of React.js and it’s core principles
• You have experience with code versioning (GIT) and CI/CD (Jenkins, Circle, etc.) tools
• You have ability to translate business requirements into high quality, high performance code
• You are familiar with RESTful API’s
• You enjoy working independently with minimal supervision
• You have broad understanding and experience in Javascript based technologies
• You are comfortable working in fast paced environment
• You are familiar and up-to-date with common front-end dev tools (e.g. Babel, Webpack, NPM, Yarn, etc..)
• Sharp analytical and problem-solving skills.
• Strong sense of ownership.
• Demonstrable desire to learn and grow.
• Excellent written and oral communication skills.

About UZIO Inc.

UZIO (HQ: Virginia, USA) http://www.uzio.com/">http://www.uzio.com With over 150+ partners, 1700+ employers, and 50,000+ employees relying on UZIO and 70+ health insurance carriers serving plans, UZIO provides an Integrated Benefits Administration and HCM SaaS technology platform for brokers, employers, and employees of SMBs in the United States.

Job Description

Requirements

• Must be having B. Tech. degree from Premium Institute with 4-6 years of proven experience in the relevant area.
• Proficiency in HTML5, JavaScript, and CSS, CSS preprocessors like Sass, LESS
• Hands-on experience in JavaScript frameworks. Preferably React Native / AngularJS
• Understanding of JS-based build tools like Grunt, Gulp, and Bower
• Up-to-date with the latest UI trends, techniques, and technologies
• Maintain and improve product platform, Build reusable code and libraries for future use
• Knowledge of browser compatibility issues
• Optimize application for maximum speed and scalability
• Design with mobile-first principles
• Integrate with REST apis
• Collaborate with other team members and stakeholders
• Develop technical and business requirements and always intuitive and user-centered solutions strive to deliver
• Experience working in an Agile/Scrum development process

 Responsibilities

• Collaborating with product management and engineering to define and implement innovative solutions for the product direction, visuals, and experience
• Conceptualizing original ideas that bring simplicity and user friendliness to complex design roadblocks
• Establish and promote design guidelines, best practices, and standards