Senior Frontend Engineer

About the Role

We are seeking an experienced Senior React Web Developer to join our product development team. As a Senior React Web Developer, you will be responsible for developing and maintaining our web applications using ReactJS and Material UI. You will work closely with other developers, designers, product managers, and stakeholders to create high-quality, user-friendly, and scalable software.

Key Responsibilities:

● Design and develop high-quality, responsive, and user-friendly web applications using ReactJS and Material UI.

● Collaborate with product managers, designers, and stakeholders to ensure the project meets the business requirements and user needs.

● Write clean, maintainable, and efficient code.

● Optimize the application for maximum speed, scalability, and usability.

● Develop reusable UI components and libraries.

● Ensure the technical feasibility of UI/UX designs.

● Identify and troubleshoot bugs and issues.

● Stay up-to-date with the latest trends and technologies in ReactJS, Material UI, and front-end development.

● Participate in code reviews and contribute to the development of best practices.

● Mentor and guide junior developers in the team.

Requirements:

● Bachelor’s degree in computer science or related field.

● At least 7 years of experience in front-end development, with at least 4 years of experience in ReactJS and Material UI.

● Strong proficiency in JavaScript, CSS, HTML, and related web technologies.

● Experience with Redux, Redux Saga, and other state management libraries.

● Experience with building scalable and complex web applications.

● Strong problem-solving skills and attention to detail.

● Experience with Agile development methodologies.

● Strong communication and collaboration skills.

● Experience with Git and version control.

● Ability to work independently and as part of a team.

Preferred:

● Experience with GraphQL and Apollo Client.

● Experience with server-side rendering using Next.js.

● Experience with AWS or other cloud providers.

● Experience with CI/CD pipelines and automation.

● Experience with testing frameworks like Jest, Enzyme, or Detox.

● Experience with UX/UI design and prototyping tools.

We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders
• Experience of theme design on the WordPress CMS is mandatory.

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery

Note: Every front-end developer is expected to have a proficient knowledge of JavaScript, while most front-end developers should know jQuery.

• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.)
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.

Note: A UI/UX designer is expected to deliver finished resources for the developer to incorporate into the app. However, quite often a front-end web developer needs to make some small adjustments.

• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
• Good understanding of SEO principles and ensuring that application will adhere to them.

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux).    

You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.    

Responsibilities :    

* Developing new user-facing features using React.js

* 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 and its core principles with Type Script

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

* 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.

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

* A knack for benchmarking and optimization.  

• Drive UI/UX & design aspects of the platform Innovate on UX to provide the best possible experience to the customer
• Convert UI design wireframes to functional UI (HTML/CSS/JS)
• Build high performant UI features
• Optimise existing features for better performance
• Build reusable code and libraries for future use
• Complete the assigned features with validations
• Should take end-to-end ownership and pride in building assigned features
• Collaborate across the teams to define, design, and ship new features
• Budget work and stick to the deadlines
• Requirements
  
  • 3+ years of experience as a front-end developer
  • At least one product built and published
  • Proven experience in building/or been a lead contributor in a tech set-up
  • Strong analytical and structural thinking skills
  • Passion to build beautiful, responsive and performant user experiences
  • Strong understanding and fundamentals in Javascript & JQuery
  • Proficient in React.js, material design concepts, UI/UX best practices and design standards
  • Willing to work on pure Javascript based projects as well as React.js based projects
  • Proficient understanding of cross-browser compatibility issues and their solutions.
  • Proficient in HTML5 CSS3
  • Proficient with CSS preprocessors LESS and SASS

Jivox is transforming the way the world experiences digital marketing. We connect brands with their audiences in the most personalized way: using big data, AI/machine learning, Dynamic Creative Optimization (DCO), customer journey optimization, and identity technologies to deliver omni-channel precision marketing.

https://www.jivox.com/creative-advertising-technologies-forrester/">Recognized as a leader in creative advertising technologies by Forrester Research, Jivox delivers 1:1 messaging throughout the customer journey, seamlessly linking paid and owned media. Our portfolio of global clients includes the likes of Marriott, Mazda, Unilever, Nestle, IBM, Vodafone, and Heineken. 

POWERFUL DYNAMIC CREATIVE PERSONALIZATION PLATFORM

Jivox has offices in San Mateo, Bangalore, New York, London, and Singapore.

• Own and drive business features into tech requirements

• Work closely with Product Managers, Customers to align technology choices with business requirements

• Design and build rich interactive application to be used by leading media companies
• Optimize our algorithms and API so that the we will be able to return information fast (and we mean really fast...and for a large numbers of users) 
• Build eye catching tools that will provide useful content and consumer delight 
• Quickly create quality prototypes
• Staying updated on emerging technologies
• Evangelist for high quality products and driver of best practices towards the same
• Mentor and develop junior developers in the team

• 7+ years of Frontend Development experience
• Expert in React or similar frameworks
• Strong proficiency in JavaScript, HTML and CSS
• Expert in translating designs and wireframes into high quality code
• Proven experience in building high performance web application
• Prior experience working with test-driven development and continuous integration
• Prior experience working with microservices
• Prior experience in an Agile environment on a Scrum team
• Experience on one of AWS, Azure or GCP

• You have excellent and effective communication and collaborative skills
• You love problem solving
• You stay up to date with the latest technologies and then apply them in real life
• Interest and ability to influence all areas of software development from software best practices, CI, CD, Sustainability, documentation etc
• Eagerness to mentor the team and be a go-to technology leader
• You love paying attention to detail
• You thrive in meeting tight deadlines and prioritising workloads
• Ability to collaborate across multiple functions

Bachelor’s degree in Engineering or equivalent experience within the field. 

Reporting to the founder, you will be expected to develop, deploy and oversee the execution of the tech strategy, product road-map and operations to ensure alignment with our businesses goals as we grow and scale. You will play a key part in the organisation's success, taking the current MVP and developing it further to move the company through to early stage funding and into profit.

Quesst's is built using React.js [Frontend], Node.js [Backend], PostgreSQL [DB], Amazon EC2 [Application Hosting], Amazon S3 [Media Storage Service], and Amazon SES [Email Sending Service]. You will be responsible for implementing full-stack features and collaborate with other team members to plan each sprint. You’ll be working across the entire system architecture and be responsible for designing, implementing and maintaining restful APIs, micro-services and databases.