Backend Engineer | (SD1/SD2)

Responsibilities:

● Design and build scalable APIs and microservices in Node.js (or equivalent backend frameworks).

● Develop and optimize high-performance systems handling large-scale data and concurrent users.

● Ensure system security, reliability, and fault tolerance.

● Collaborate closely with product managers, designers, and frontend engineers for seamless delivery.

● Write clean, maintainable, and well-documented code with a focus on best practices.

● Contribute to architectural decisions, technology choices, and overall system design.

● Monitor, debug, and continuously improve backend performance.

● Stay updated with modern backend technologies and bring innovation into the product.

Desired Qualifications & Skillset:

● 2+ years of professional backend development experience.

● Proficiency with Node.js, Express.js, or similar frameworks.

● Strong knowledge of web application architecture, databases (SQL/NoSQL), and caching strategies.

● Experience with cloud platforms (AWS/GCP/Azure), CI/CD pipelines, and containerization (Docker/Kubernetes) is a plus.

● Ability to break down complex problems into scalable solutions.

● Strong logical aptitude, quick learning ability, and a proactive mindset

Are you looking for a Senior Backend Engineer role in a high growth startup? Are you eager to learn and make a difference at work every day? If so, then read on.

At PlumQR, we work on revolutionizing the Food & Beverage industry with our cloud-based tech products. Millions of businesses across the world are switching for better, smarter & more hygienic products to reinvent their businesses. If you have what it takes to innovate & lead, we have just the right opportunity for you.

Requirements

• Minimum 3 years as a Senior Backend Engineer
• Strong software development experience in a SaaS product company
• Significant experience with NodeJS, React.js, React Native, MySQL, MongoDB, Java
• Cloud computing services (e.g. Google Cloud Platform)
• Strong problem-solving skills
• Ability to explain technical details to people inside the company

• Collaborate with the team members to understand the client requirements.

• Advance coding skills in PHP, HTML, CSS, JavaScript and Scripting language desirable.

• Must have experience in working on frameworks such as Laravel, CodeIgniter.

• Write clean and well-structured codes.

• Produce detailed technical product descriptions.

• Troubleshoot, test and maintain the core product software along with the databases to ensure strong functionality and optimization.

• Contribute to all the software development phases.

• Follow the industry’s best practices for writing clean code.

• Develop and deploy the latest features that facilitate the relevant tools and procedures if required.

• Improve the code-base of our products in a significant manner

AnnexLogic System Pvt. Ltd. is a leading comprehensive business software product development services provider. We partner with both start-ups and established businesses globally in their idea-to-implementation journey. We are a team of professionals who believe in creating business value for our clients through in-depth research, analysis, formation and implementation. Our customers are spread across the globe including the US, Canada, Australia, UK, Europe and Asia-Pacific region.

We are always looking for opportunities to extend our team with new proficient and talented colleagues who love working in a start-up culture, and this time, we need a Senior Back-end Developer, with strong technical skills and relevant experience of at least 4 years.

You’re a motivated team player who takes initiative and pride in his work and contributes to an informal working environment. You will be confident in your ability to develop the product, taking into account the following:

● Excellent knowledge of NodeJS
● At least 3 years of working experience with backend technologies
● Knowledge of PHP is considered a plus
● Knowledge of Java or Kotlin is considered a plus
● You can learn quickly new technologies and adapt to new technical challenges
● Experience in working with a TDD approach
● You have a strong background in Linux-based development
● You have previous experience with container technologies such as Docker
● You have strong knowledge of microservice architecture
● You are passionate about writing clean, maintainable & testable code
● You have strong Agile/Scrum work ethic
● You are continuously researching tools, technologies, frameworks and practices.
● Projects with a high complexity interest you
● You are highly committed and responsible, independent and able to take an initiative
● You are always mindful of quality attributes like maintainability, performance, security, scalability, usability and testability.
● You carefully read the specifications and assignments and you like to take responsibility for your components from start to end
● You feel comfortable discussing and deepening technical and technical requirements with the PM
● You have multitasking capabilities, attention to detail and excellent analytical skills
● Excellent interpersonal and teamwork skills 1 Responsibilities:
● Work on multiple microservices - written in NodeJS (TS, JS), Spring (Kotlin), PHP (Symfony)
● Develop new microservices to accommodate the (many) new features and requirements of the project
● Refactor existing microservices or extract new ones to improve performance and scalability
● Come up with ideas to improve existing architecture - feedback and ideas are always welcome
● Monitor, trace and debug production microservices to ensure an application with 0 downtime
● Work to improve the CI / CD flow of the project Things we can guarantee:
● Competitive salary, with many other extra benefits (complex medical package, extra free days, events, gifts and others)
● Opportunity to work on a challenging project, using the latest technologies
● The perfect framework for professional development
● A young, creative and friendly team
● A flexible work schedule which makes you more productive
● We support any opportunities that are useful for you, including training and events

About Role: 

1. We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users.  
2. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.  
3. You will also be responsible for integrating the front-end elements built by your co-workers into the application. A basic understanding of front-end technologies is necessary as well. 

Key Responsibilities: 

1. Integration of user-facing elements developed by front-end developers with server-side logic 
2. Writing reusable, testable, and efficient code 
3. Design and implementation of low-latency, high-availability, and performant applications 
4. Implementation of security and data protection 
5. Integration of data storage solutions such as database, caching servers 

Qualification & Skills: 

1. Strong proficiency with JavaScript and Typescript 
2. Knowledge of Node.js and frameworks available for it such as Express, StrongLoop, etc 
3. Proficient in database systems (eg. MySql, MongoDB, DynamoDB) 
4. Understanding the nature of asynchronous programming and its quirks and workarounds 
5. Basic understanding of front-end technologies, such as HTML5, and CSS3 
6. Understanding accessibility and security compliance 
7. User authentication and authorization between multiple systems, servers, and environments 
8. Integration of multiple data sources and databases into one system 
9. Understanding fundamental design principles behind a scalable application 
10. Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform 
11. Creating database schemas that represent and support business processes 
12. Implementing automated testing platforms and unit tests 
13. Proficient understanding of code versioning tools, such as Git