Software Development Engineer 2 (SDE 2)

Full Stack senior developer with ReactJS & Redux

• Node js with Express framework

• Knowledge of HTML, CSS and Javascript with React JS
• Experience with MongoDB
• Knowledge of RESTful APIs.
• Experience with web paradigms such as REST, Responsive Web Design etc.
• Experience with CI/CD tooling (at least Git and Jenkins)
• Good understanding of code versioning tools, such as GIT
• Good to know Agile/Scrum/Kanban

A niche, specialist position in an interdisciplinary team focused on end-to-end solutions. Nature of projects range from proof-of-concept innovative applications, parallel implementations per end user requests, scaling up and continuous monitoring for improvements. Majority of the projects will be focused on providing automation solutions via both custom solutions and adapting machine learning generic standards to specific use cases/domains.

Clientele includes major publishers from the US and Europe, pharmaceutical bigwigs and government funded projects.

As a Senior Fullstack Developer, you will be responsible for designing, building, and maintaining scalable and performant web applications using modern technologies. You will work with cutting-edge tools and cloud infrastructure (primarily Google Cloud) and implement robust back-end services with React JS with Typescript, Koa.js, MongoDB, and Redis, while ensuring reliable and efficient monitoring with OpenTelemetry and logging with Bunyan. Your expertise in CI/CD pipelines and modern testing frameworks will be key to maintaining a smooth and efficient software development lifecycle.

Key Responsibilities:

• Fullstack Development: Design, develop, and maintain web applications using JavaScript (Node.js for back-end and React.js with Typescript for front-end).
• Cloud Infrastructure: Leverage Google Cloud services (like Compute Engine, Cloud Storage, Pub/Sub, etc.) to build scalable and resilient cloud solutions.
• API Development: Implement RESTful APIs and microservices with Koa.js, ensuring high performance, security, and scalability.
• Database Management: Manage MongoDB databases for storing and retrieving application data, and use Redis for caching and session management.
• Logging and Monitoring: Utilize Bunyan for structured logging and OpenTelemetry for distributed tracing and monitoring to ensure system health and performance.
• CI/CD: Design, implement, and maintain efficient CI/CD pipelines for continuous integration and deployment, ensuring fast and reliable code delivery.
• Testing & Quality Assurance: Write unit and integration tests using Jest, Mocha, and React Testing Library to ensure code reliability and maintainability.
• Collaboration: Work closely with front-end and back-end engineers to deliver high-quality software solutions, following agile development practices.
• Optimization & Scaling: Identify performance bottlenecks, troubleshoot production issues, and scale the system as needed.
• Code Reviews & Mentorship: Conduct peer code reviews, share best practices, and mentor junior developers to improve team efficiency and code quality.

Must-Have Skills:

• Google Cloud (GCP): Hands-on experience with various Google Cloud services (Compute Engine, Cloud Storage, Pub/Sub, Firestore, etc.) for building scalable applications.
• React.js: Strong experience in building modern, responsive user interfaces with React.js and Typescript
• Koa.js: Strong experience in building web servers and APIs with Koa.js.
• MongoDB & Redis: Proficiency in working with MongoDB (NoSQL databases) and Redis for caching and session management.
• Bunyan: Experience using Bunyan for structured logging and tracking application events.
• OpenTelemetry Ecosystem: Hands-on experience with the OpenTelemetry ecosystem for monitoring and distributed tracing.
• CI/CD: Proficient in setting up CI/CD pipelines using tools like CircleCI, Jenkins, or GitLab CI.
• Testing Frameworks: Solid understanding and experience with Jest, Mocha, and React Testing Library for testing both back-end and front-end applications.
• JavaScript & Node.js: Strong proficiency in JavaScript (ES6+), and experience working with Node.js for back-end services.

Desired Skills & Experience:

• Experience with other cloud platforms (AWS, Azure).
• Familiarity with containerization and orchestration tools like Docker and Kubernetes.
• Experience working with TypeScript.
• Knowledge of other logging and monitoring tools.
• Familiarity with agile methodologies and project management tools (JIRA, Trello, etc.).

Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 5-10 years of hands-on experience as a Fullstack Developer.
• Strong problem-solving skills and ability to debug complex systems.
• Excellent communication skills and ability to work in a team-oriented, collaborative environment.

We are looking for a talented Fullstack Developer with 2-5 years of experience to join our engineering team. The ideal candidate will have experience with MongoDB, Express, React, and Node. As a Fullstack Developer, you will be responsible for developing and maintaining our web-based applications and services.

Responsibilities:

• Work collaboratively with the product and engineering teams to develop high-quality web-based applications and services.
• Develop and maintain RESTful APIs using Node.js and Express.
• Design and develop the front-end user interface using React.
• Create and maintain MongoDB databases and related services.
• Develop and maintain automated test cases for both front-end and back-end applications.
• Participate in code reviews and ensure code quality.
• Stay up-to-date with emerging trends and technologies in web development and AI.

Qualifications:

• 2-5 years of experience as a Fullstack Developer with expertise in MongoDB, Express, React, and Node.
• Experience in developing RESTful APIs using Node.js and Express.
• Experience in front-end development using React.
• Experience in database development using MongoDB.
• Strong knowledge of HTML, CSS, and JavaScript.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills.
• Experience in automated testing using Jest, Cypress, or other similar frameworks is a plus.
• Experience in AWS or other cloud technologies is a plus.
• Knowledge of AI and machine learning concepts is a plus.

We offer a competitive salary, flexible working hours, and a collaborative work environment. If you are passionate about AI & how teams collaborate, and want to work in a fast-paced, innovative environment, then we want to hear from you.

Linkby is a global VC funded software company founded by one of Australia’s top digital publishing entrepreneurs. Our software helps D2C e-commerce brands and publishers work together more effectively and profitably than ever before. We’re currently building our engineering team globally to support our rapid growth. We have a remote-first culture while also having office hubs in Toronto, London & Sydney.

We are looking for a seasoned full-stack engineer to join our team to help build out and manage our entire web infrastructure. You will work as part of a team to develop fast, well-tested, and performant code across various web projects in the adtech vertical.

As a Full Stack Developer, you should be comfortable around both front-end and back-end development (predominantly in Javascript), development frameworks and third-party libraries. You will be responsible for the full software development life cycle, from conception to deployment.

Responsibilities

Design and deployment of database and backend storage systems (eg. relational database, key-value/blob stores) Design and implementation of low-latency, high-availability, and performant applications Design and construction of REST APIs Integrating front-end UI with the constructed APIs “Pixel-perfect” implementation of approved UI and designs Building reusable components and front-end libraries for future use Design and implementation of continuous integration and deployment Test software to ensure responsiveness and efficiency Implementation of security and data protection Integration with third-party services and software

Required Skills & Experience

At least three years’ experience with: Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum) Back-end development with Node.js Front-end development with Vue.js Database design and management with PostgreSQL Highly proficient with the JavaScript language and its modern ES6+ syntax and features Understanding the nature of asynchronous programming and its quirks and workarounds Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM Experience with development & deployment using containerisation technology (eg. Docker) Experience with cloud infrastrastructure management & deployment on AWS (eg. ECS, Lambda, SQS, SNS, Kinesis) Familiarity with automated JavaScript testing, specifically testing frameworks (eg. Jest or Mocha) Familiarity with CSS preprocessors, bundlers, and associated languages/syntaxes/libraries (eg. Sass, Less, Webpack) Proficient understanding of code versioning tools (eg. Git) Ability to understand business requirements and translate them into technical requirements Open-mindedness and ability to learn new programming languages & tools to best serve the project at hand Appreciation for clean and well documented code Excellent verbal & written communication skills

Preferred Skills & Experience

Experience with React.js & TypeScript will be highly regarded Knowledge of other backend languages such as Golang, Rust, OpenResty Experience with adtech/martech technology Experience with Machine Learning/AI/Data Science Experience working with large scale/high traffic applications Experience with other cloud infrastructure providers (eg. Google Cloud, Azure) We offer flexibility and a strong team culture with additional leave and health benefits for your location. We can't wait to see your application

• Developing front-end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

• Degree in computer science.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks such as React(mandatory/preferred), Angular JS, and Amber.
• Proficiency with server-side languages such as Node.js(mandatory/preferred), Java, PHP.
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.