Sr Frontend Developer

Job Overview:

We are looking for a skilled and experienced React developer to join our web development

team. You will play a key role in designing and developing modern, scalable single-page

applications using React and related technologies. You will collaborate with cross-functional

teams, contribute to architectural decisions, and guide junior developers while remaining

hands-on with code.

Key Responsibilities:

● Design, develop, and maintain enterprise-grade React applications.

● Collaborate with UI/UX designers, product owners, and backend developers to deliver

efficient solutions.

● Contribute to and maintain scalable architecture and reusable component libraries.

● Ensure performance, accessibility, and responsiveness of applications.

● Review code and mentor junior developers, promoting best practices and clean code.

● Participate in sprint planning, technical discussions, and continuous improvement

initiatives.

● Research and propose modern frontend technologies and tools for future adoption.

● Create and maintain technical documentation.

Required Skills and Qualifications:

● 7+ years of experience in front-end development, with strong expertise in React and

Redux.

● Hands-on experience building Single Page Applications (SPA).

● Proficiency in JavaScript (ES6+) and TypeScript.

● Familiarity with frontend tooling: Webpack, Babel, ESLint, NPM/Yarn.

● Solid understanding of RESTful APIs, browser internals, and HTTP.

● Exposure to RxJS or similar reactive programming libraries is a plus.

● Should have experience in Hooks concepts.

● Familiarity with REDUX Middlewares like Saga or Redux Thunk.

● Knowledge of testing frameworks like Jest, React Testing Library, Cypress, etc.

● Experience working in Agile/Scrum teams.

● Strong communication and teamwork skills.

● Bachelor’s degree in Computer Science or a related field.

● Experience leading small teams or mentoring junior developers.

● Familiarity with CI/CD pipelines and code quality tools.

● Knowledge of accessibility (WCAG), internationalization (i18n), and performance tuning.

● Contributions to architectural decisions or project planning.

Role Summary:

Front-end Developer who would contribute towards building a highly flexible and scalable front-end by bringing deep core technology expertise.

Job Description:

- Ensure proper offline access using service workers and PWA

- Develop components which are SEO friendly

- Have experience in server-side rendering

- Drive evolution of application performance

- Ensure project scalability by having good project architecture

Skill Requirements:

- Good experience in HTML5, CSS3, JS - React

- React native

- Angular - Redux exposure - Have handled service workers and PWA caching and updates - CSS pre-processors knowledge like sass - Knowledge of webpack, parcel, grunt etc.

-Knowledge of pre-processors like SASS/LESS, CSS-Modules.

- Architecting and automating the build process for production, using task runners or scripts (Gulp / Grunt)

-Have an eye for good UI/UX, Progressive Web Apps, Responsive Design

-Interested in writing code, actively experimenting along with learning new things.

Individual applying to the role should ideally have the following attributes

-Passionate about Frontend Development and continually follow the platform & innovations

-Strong and innovative approach to problem solving and finding solutions

-Interested in working on fast-paced

- Excellent communicator (written and verbal, formal and informal)

- Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution

- Ability to multi-task under pressure and work independently with minimal supervision.

- Ability to prioritize when under pressure.

Software Developer job

Java Full Stack Developer

Are you a talented Java Full Stack Developer with a passion for building innovative web applications? We are looking for an experienced professional to join our team and help us design, develop, and maintain end-to-end solutions that delight our users.

Responsibilities:

• Design, develop, and maintain web applications using Java, front-end technologies (HTML, CSS, JavaScript), and various frameworks.
• Collaborate with cross-functional teams, including UX/UI designers and backend developers, to deliver high-quality, responsive, and user-friendly web solutions.
• Create and maintain RESTful APIs for seamless integration between the front-end and back-end components.
• Optimize application performance, ensuring scalability and responsiveness.
• Implement best practices for security, data protection, and code quality.
• Stay up to date with the latest web development trends and technologies to drive innovation.
• Provide technical leadership and mentorship to junior developers.

What are we looking for:

1. We are looking for someone that has an eye for design, solid experience in ReactJS, are value-driven and product-oriented. You will own all phases of user interface development.
2. From architecture and design to implementation and customer engagement. This role isn’t just about coding; it's about owning features end-to-end, translating them from concepts to user-centric products
3. Each engineer owns the feature they are building and is responsible for turning it into reality, and we will need your front-end expertise to find solutions to problems and challenges and deliver on roadmap objectives.
4. 4+ years of experience in web frontend technology, including React, TypeScript, and CSS-in-JS.
5. Significant experience with JavaScript frameworks and client-side state management, particularly React.js and Redux.
6. Knowledge of 2D visualization libraries like D3 and 3D visualization tools such as Three.js and WebGL is a plus.
7. Expertise in developing solutions for complex problems and integrations, with a strong product sense to balance technical and product requirements.
8. Skilled in working collaboratively with cross-functional teams, including design, product, tech, learning experience & marketing.
9. Independent and capable of producing 'production ready' code with minimal guidance.
10. Proficient in performance optimization and CDN caching strategies.
11. Nice to have: Full stack experience working in backend.

• Job Title - Frontend Software Engineer - Data
• Reports Into - Senior Software Engineer - Data
• Location - Hybrid / Bangalore 

A Little Bit about Kwalee…

Kwalee is one of the world’s leading multiplatform game developers and publishers, with well over 900 million downloads worldwide for mobile hits such as Draw It, Teacher Simulator, Let’s Be Cops 3D, Airport Security and Makeover Studio 3D. We also have a growing PC and Console team of incredible pedigree that is on the hunt for great new titles to join TENS!, Eternal Hope, Die by the Blade and Scathe.

What’s In It For You?

• Hybrid working - 3 days in the office, 2 days remote/ WFH is the norm
• Flexible working hours - we trust you to choose how and when you work best
• Profit sharing scheme - we win, you win 
• Private medical cover - delivered through BUPA
• Life Assurance - for long term peace of mind
• On site gym - take care of yourself
• Relocation support - available
• Quarterly Team Building days - we’ve done Paintballing, Go Karting & even Robot Wars
• Pitch and make your own games on Creative Wednesdays! 

Are You Up To The Challenge?

As a Frontend Software Engineer in the Data Science Team, you will build tools and develop technology that deliver data products to a team of strategists, marketing experts and game developers. You will design, build, test and deploy products which serve a company fuelled by data.

Your Team Mates

The Data Science team is central in developing the technology behind the growth and monetisation of our games. We are a cross functional team that consists of analysts, engineers and data scientists, and work closely with the larger engineering team to deliver products spanning our modern, cloud first, tech stack.

What Does The Job Actually Involve?

• Develop and maintain user-friendly and visually appealing web applications using Vue.js
• Create interactive and informative data visualisations for general audiences as well as highly specialised teams
• Integrate with large, complex data sources and machine learning models via APIs
• Work within a data focused team to increase access to and the understanding of test and analysis results within game development, marketing and other aspects of the company

Your Hard Skills

• Minimum 2 years browser-based programming experience
• A proven track record of programming high quality and innovative web pages using Javascript, HTML5 & CSS3 and relevant frameworks (ideally VueJS but could also be others e.g. ReactJS, AngularJS, Svelte)
• Knowledge of data visualisation libraries and techniques
• Understanding of REST APIs, asynchronous programming, and data handling
• An excellent working knowledge of various database, scripting, and development tools, for example bash, Python, Postgres, MySQL, CouchBase, git, JIRA
• A creative mindset motivated by challenges and constantly striving for the best

Your Soft Skills

Kwalee has grown fast in recent years but we’re very much a family of colleagues. We welcome people of all ages, races, colours, beliefs, sexual orientations, genders and circumstances, and all we ask is that you collaborate, work hard, ask questions and have fun with your team and colleagues. 

We don’t like egos or arrogance and we love playing games and celebrating success together. If that sounds like you, then please apply.

A Little More About Kwalee

Founded in 2011 by David Darling CBE, a key architect of the UK games industry who previously co-founded and led Codemasters, our team also includes legends such as Andrew Graham (creator of Micro Machines series) and Jason Falcus (programmer of classics including NBA Jam) alongside a growing and diverse team of global gaming experts.

Everyone contributes creatively to Kwalee’s success, with all employees eligible to pitch their own game ideas on Creative Wednesdays, and we’re proud to have built our success on this inclusive principle.

We have an amazing team of experts collaborating daily between our studios in Leamington Spa, Lisbon, Bangalore and Beijing, or on a remote basis from Turkey, Brazil, Cyprus, the Philippines and many more places around the world. We’ve recently acquired our first external studio, TicTales, which is based in France. 

We have a truly global team making games for a global audience, and it’s paying off: - Kwalee has been voted the Best Large Studio and Best Leadership Team at the TIGA Awards (Independent Game Developers’ Association) and our games have been downloaded in every country on earth - including Antarctica!

Requirements and Qualifications

• Bachelor’s or master degree in engineering
• 4+ years of work experience.
• Proficient understanding of HTML, CSS, and Javascript
• Proficient understanding of ReactJs or similar library
• Good understanding of responsive web development
• Good understanding of SEO and analytics
• Ability to break the business problem into smaller features
• Ability to access the technical feasibility of UI/UX designs
• Build reusable code and libraries for future use
• Optimize application for maximum speed and scalability
• Proficient understanding of cross-browser compatibility

**About Company**
SleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package. 
In sleepycat we constantly thrive to make our products and customer experience better using technology.

**About Role**
We are currently looking out for a frontend developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.

Technical skills required (expertise in atleast two of these): Javascript, CSS, PHP

**Personal and Domain Growth Initiatives**
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.

**Interview Process Details**
***Technical Round 1: Development Knowledge Round***
We will test your skills in 3 domains
understanding an existing written code and ability to make changes
coding a logical question to test basic coding skills
ability to think of test cases to write a full proof code
***Technical Round 2: Coding Round***
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.

**Additional details**
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million

Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about Sleepycat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr