React.js Developer

Certa (getcerta.com) is a Silicon Valley-based tech product start-up that is automating the vendor, supplier, and other stakeholder onboarding processes (think background checks, agreements, and the works) for companies across industries and geographies. With multiple Fortune 500 and Fortune 1000 clients, at Certa's tech team, you will be working on stuff that is changing the way huge companies do business.

Must Haves:

• Experience developing enterprise-grade quality software.
• 3+ years of experience building large-scale front-end applications using React.
• 3+ years of experience using type-safe JavaScript-based languages, such as TypeScript.
• Understanding of modern frontend ecosystems, including Bundling(preferably using vite), Linting, Testing and Releasing
• Success with mentoring mid-level & junior Engineers.
• Experience in Agile software development methodologies.
• Experience writing automated tests (e.g., Vitetest, Cypress, Jest, Testing Library).
• Experience in building, scaling & maintaining a design system from scratch.
• Experience in improving rendering as well as delivery performance for front-end applications.
• Experience in writing semantic HTML.
• Experience in building scalable, responsive, and cross-browser-compatible web applications.
• Experience in a peak-performance organization, preferably a tech startup.
• Experience working with a remote team.
• Data analysis experience, and understanding of how analytics can help with product decisions.

Bonus:

• Experience building integrations and data synchronizations with event pub/sub-models.
• Experience with WebGL
• Experience in building offline applications using Web Workers
• Open source contributions.
• Running his/her own blog.
• Experience with building 100% keyboard and screen reader-accessible applications.
• Experience setting up and customizing JavaScript tooling and building systems.

Requirements

• Strong knowledge of Javascript fundamentals, Object-oriented programming, and Web concepts with 3-7 years of relevant experience in building web apps at scale.
• You must have a strong understanding of semantic HTML / HTML5, CSS / CSS3.
• Experience or familiarity with React.js or Vue.s, and build tools like Webpack, Rollup, etc.
• Curiosity to go in-depth of codebases and libraries and have the ability to set it up from scratch.
• Familiarity with Server Side Rendering (SSR) and website SEO

What You’ll Do

• Build website and frontend platform.
• Build monitoring graphs, services directory, ML model management UI. Make sure SEO and website performance are top-notch.
• Work with design teams and ability to lead other frontend engineers when we expand our team
• Take good design decisions which scale and follow best practices.

Avegen is a digital healthcare company empowering individuals to take control of their health and supporting healthcare professionals in delivering life-changing care. Avegen’s core product, HealthMachine®, is a cloud-hosted, next-generation digital healthcare engine for pioneers in digital healthcare, including healthcare providers and pharmaceutical companies, to deploy high-quality robust digital care solutions efficiently and effectively. We are ISO27001, ISO13485, and Cyber Essentials certified; and compliant with the NHS Data Protection Toolkit and GDPR.

Job Summary:

Senior Software Engineer will be responsible for developing, designing, and maintaining the core framework of mobile applications for our platform. This includes tasks such as creating and implementing new features, troubleshooting and debugging any issues, optimizing the performance of the app, collaborating with cross-functional teams, and staying current with the latest advancements in React Native and mobile app development. We are looking for exceptional candidates who have an in-depth understanding of React, JavaScript, and TypeScript, can create pixel-perfect UI, and are obsessed with creating the best experiences for end users.

Your responsibilities include:

1. Architect and build performant mobile applications on both iOS and Android platforms using React Native.
2. Work with managers to provide technical consultation and assist in defining the scope and sizing of work.
3. Maintain compliance with standards such as ISO 27001, ISO 13485, and Cyber Essentials that Avegen adheres to.
4. Lead configuration of our platform HealthMachine™ in line with functional specifications and development of platform modules with a focus on quality and performance.
5. Write well-documented, clean Javascript/TypeScript code to build reusable components in the platform.
6. Maintain code, write automated tests, and assist DevOps in CI/CD to ensure the product is of the highest quality.
7. Lead by example in best practices for software design and quality. You will stay current with tools and technologies to seek out the best needed for the job.
8. Train team members on software design principles and emerging technologies by taking regular engineering workshops.

Requirements:

1. Hands-on experience working in a product company developing consumer-facing mobile apps that are deployed and currently in use in production. He/she must have at least 3 mobile apps live in the Apple App Store/Google Play Store.
2. Proven ability to mentor junior engineers to realize a delivery goal.
3. Solid attention to detail, problem-solving, and analytical skills & excellent troubleshooting skills.
4. In-depth understanding of React and its ecosystem with the latest features.
5. Experience in writing modular, reusable custom JavaScript/TypeScript modules that scale well for high-volume applications.
6. Strong familiarity with native development tools such as Xcode and Android Studio.
7. A positive, “can do” attitude who isn’t afraid to lead the complex React Native implementations.
8. Experience in building mobile apps with intensive server communication (REST APIs, GraphQL, WebSockets, etc.).
9. Self-starter, able to work in a fast-paced, deadline-driven environment with multiple priorities.
10. Excellent command of version control systems like Git.
11. Working in Agile/SCRUM methodology, understanding of the application life cycle, and experience working on project management tools like Atlassian JIRA.
12. Good command of the Unix operating system and understanding of cloud computing platforms like AWS, GCP, Azure, etc.
13. Hands-on experience in database technologies including RDBMS and NoSQL and a firm grasp of data models and ER diagrams.
14. Open source contributions and experience developing your own React Native wrappers for native functionality is a plus.

Qualification:

BE/BTech/MS in Information Technology, Computer Science, or a related discipline.

Qualifications:

Primary Skill Set:

5+ years for experience in developing highly scalable, reliable, secure web applications
Experience with React.js, Node.js, Redux, flux, Javascript (preferably TypeScript).
Atleast 1 years of experience in product or SaaS development.
Excellent Team management, communication skills, both verbal and written
Strong CS fundamentals like data structures and especially the asynchronous challenges that are faced by JavaScript developers regularily.


Preferable Skillset:

One year of experience using AWS services, such as Lambda, SES, SQS, EC2, RDS, ELB’s and have knowledge of VPC’s (AWS and/or RightScale knowledge a plus.
Proficient with the Webpack,Jest, Eslint, Jenkins, Docker, Enzyme.
Experience designing data persistence and caching concepts using both SQL and NoSQL DBMS (MySQL, DynamoDB, Redis, etc.) and client side storage
Profile and improve frontend performance

Position Summary:  

The individual should be self-motivated, creative and proactive to work successfully in a  

fast-paced environment including multiple platforms and architectures, and diverse technologies. The  

Individuals will work closely with developers, project managers and other stakeholders.  

Minimum Requirements:  

Experience/Skills:  

• Excellent verbal and written communication skills  
• Primary Skillset:  Strong Core Java experience (Java 8 concepts), JSPs, Servlets, Struts Framework 

• Strong in Spring core, MVC and Spring JPA 
• Working experience on UI using jQuery, JavaScript and CSS 
• Experience in Angular is an added advantage. 
• Strong knowledge of XML handling and JSON implementation 
• Strong knowledge of Web Services (REST API) 

• Experience in handling SQL and PL/SQL, preferably SQL Server 
• Knowledge of Postgres is an added advantage. 
• Experience in writing unit test cases with whole code coverage 
• Experience in JMS implementations preferably Apache Active MQ 
• Should be able to write Unit test cases with whole code coverage 

Role Summary

We are looking for Front-End Web Developers who are 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.

Responsibilities

• Develop new user-facing features
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS/SCSS
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Cooperating with the back-end developer in the process of building the RESTful API
• Build reusable code and libraries for future use
• Builds the interactive data visualization and data interfaces using web technologies.
• Assure that all user input is validated before submitting to back-end
• Translation of the UI/UX design wireframes to actual code that will produce visual
• elements of the application.

Minimum Qualifications

• Minimum 3 + years of experience in ReactJS / Native development
• Experience in writing extensive unit test.

• 
  8+ years of experience in software development using modern languages (ReactJS/Native etc)
• Thorough understanding of ReactJS, Redux, Node.Js, Express Js etc
• Familiarity with modern front-end build pipelines and tools
• Design and develop scalable, performant and responsive FE architecture.
• Ability to deliver in test-driven method
• Critical thinker and problem-solving skills
• Nice to have worked on mobile products (IOS & Android)
• Experience in writing extensive unit tests
• Own code quality and experience in writing extensive unit tests
• Proven ability to learn and adapt to new technologies and frameworks quickly
• Excellent debugging and problem-solving capability.
• Team player
  Good time-management skills

• Leading a team, Collaborate with team to deploy and continuously improve our solutions
• 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 and pixel perfect code.
• Optimising components for maximum performance across a vast array of web-capable devices and browsers.
• And everything that a coder does.

• Strong proficiency in JavaScript, including DOM manipulation and theJavaScript object model.
• Thorough understanding of React.js and Redux its core principles.
• Familiarity with newer specifications of ECMA Script is a plus.
• Familiarity with RESTful APIs.Knowledge of modern authorisation 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.
• Lead a product (would be a plus)
• Have managed a team before

• Build responsive web-pages
• Experience in Javascript, jQuery, CSS, HTML5
• Expert in JavaScript who can build up a JavaScript framework from scratch.
• Possess good knowledge in front-end performance tuning.
• Understands how to use the page speed tool and tackle on issue based on its suggestions.
• Consume REST API's provided by the backend team
• Experience in some modern JavaScript framework like easyUI or reactJS would be a plus

Responsibilities:

• Build React Native apps from scratch that'll be used globally.
• Architect App infrastructure systems like caching, state manager, common validation framework, etc.
• Launch the apps in different app stores like Apple, Google, etc.
• Create custom reusable Component Library
• Create data visualizations like charts, tables, dashboards, etc.
• Write well tested, beautiful, performant and bug free code.
• Thrive in a collaborative team environment and work with challenging timelines.
• Establish and advocate front-end coding guidelines.
• Mentor team members and help resolve any critical blockers.

Requirements:

• A self-driven, hard-working Frontend engineer with an eye for detail.
• Bachelor's Degree or equivalent in Computer Science
• Minimum 4 years of overall experience with expertise in working in React Native, Redux and TypeScript
• Strong understanding and knowledge of Styling
• Experience in writing native code for Android and iOS
• Strong debugging skills for Android and iOS.
• Experience in launching apps in various App Stores.
• Experience with GraphQL is a plus.
• Familiarity with modern front-end build pipelines and tools

Spotnana is a stealth startup that is building the technology stack to solve the experience, trust, and transparency challenges that legacy players in a $1.8 trillion industry refuse to.  We were told it can’t be done - and now we’re doing it.

Based in the San Francisco Bay Area, our founding team consists of veterans from Google, Amazon, Twitter, Airbnb, Expedia, ThoughtSpot, FreshDesk, Goldman Sachs, Oyo, SAP, and Cohesity 

Join us to find out what Silicon Valley investors and early backers of Airbnb, Amazon, Facebook, LinkedIn, Brex, Palantir, Revolut, and Snowflake see in our mission.

Let's explore creating one of the best pieces of work ever made, together.