Freelance React.JS developer

About One Impression

One Impression is one of the world’s largest influencer marketing platforms, working with 300+ global brands like Unilever, Nestle, and Amazon to connect with a diverse creator network. Our platform empowers brands and creators to collaborate seamlessly and scale their reach. To capture a significant share of global media ad spend, One Impression is quickly becoming the industry’s go-to influencer marketing platform.

Job Overview

We are looking for a seasoned Senior Frontend Engineer (SDE III) with over five years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.

As a Frontend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.

Key Responsibilities:

• Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
• Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
• Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
• Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
• Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
• Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
• Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.

Required Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field
• 5+ years of experience in software engineering.
• Proven track record of successfully delivering large-scale, high-impact software projects.
• Strong understanding of software architecture, design patterns, and scalable system design.
• Expertise in multiple programming languages and modern development frameworks. For this we require expertise in JS/React, and React Native.
• Experience working with REST APIsMust have a knack for developing good looking frontend apps.
• Experience with cloud infrastructure (AWS), microservices, and distributed systems.
• Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
• Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
• Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.

Why Join One Impression?

- Be a part of one of the largest influencer marketing platforms globally, working with top brands and influencers.

- Opportunity to lead and shape a fast-growing marketplace product.

- Competitive salary and benefits package.

- A collaborative and innovative work culture in a rapidly scaling company.

Are you a software developer who possesses magical React skills? Do you enjoy crafting intuitive, responsive, and scalable user interfaces? If so, we want you to join our team at Portle!

As a software engineer at Portle, you will have the opportunity to:

• Work on challenging problems everyday
• Design and develop excellent user experiences using React
• Collaborate with other engineers to ensure that our codebase is scalable, maintainable, and easily readable
• Learn to balance the creation of tech debt with delivering business requirements
• Understand complex problems, break them down into smaller ones, and solve each modularly

We are looking for someone with the following profile:

• Expertise in data structures and algorithms (extremely important)
• Strong proficiency in HTML, CSS, and JavaScript
• Experience with React and its latest features, such as hooks
• Excellent communication skills and the ability to work in an unstructured startup environment

At Portle, we value self-motivated individuals who do not need supervision to perform at their peak levels. We're looking for someone who's passionate about React and loves to wield its magic to create amazing software. If you're a React Sorcerer who's ready to take on a new challenge, we want to hear from you! Apply today and let us see your sorcery in action!

Responsibilities

• Translate functional requirements into technical design
• Interact with clients and internal stakeholders to understand the visulaisation and platform requirements in detail 
• Design, Develop and Deliver reusable components and front-end libraries
• Translate designs and wireframes into high quality code 
• Optimise components for maximum performance across a vast array of web-capable devices and browsers
• Work closely with QA team and ensure the application is bug-free

Candidate Requirements

• Strong knowledge for charts
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with newer specifications of EcmaScript
• 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 optimisation
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
• Good understanding of asynchronous request handling, partial page updates, and AJAX4Familiarity with browser testing and debugging

• 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 the backend
• Collaborate with other team members and stakeholders

Skills And Qualifications

• 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
• Good understanding of advanced JavaScript libraries and ReactJS frameworks.
• 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 Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Preferred years of experience- 2- 3 years
• Bachelor’s Degree in Engineering from a reputed Institute.

About the Role

Dremio’s user experience is one of its  key differentiators and makes all your data easily accessible and shareable by your data consumers. UI Engineers at Dremio are responsible for the development of  the user interface and user experience on Dremio’s Data Lake Engine.

Responsibilities and ownership

• Own the  full cycle of development of our modern single page web application from inception, design, development, testing, and production.
• Care deeply about modular design patterns and frameworks  to deliver an architecture that’s rooted in simplicity, that’s easy to iterate on and constantly evolve.
• Passionate about ease of use, experience and quality of the product.

Requirements

• 5+ years of experience working with JavaScript frameworks such as React, Angular.js, Angular, or Vue.js.
• 2 years minimum experience with React is highly preferred and currently utilizing React in their current job.
• Strong coding experience in JavaScript (or TypeScript), HTML, and CSS.
• Passion about UI development and UX design
• Shown proven success in delivering high-quality front end applications
• Fluency in the understanding of SQL and databases (relational or non-relational)
• B.S. or M.S  in Computer Science in a relevant technical field or equivalent professional experience