
Lead Backend Developer Javascript
at Our client company is into Ecommerce(QS1)
- 5-10 years of experience in building API services using NodeJS Express and related frameworks
- Expert level understanding of NodeJS asynchronous runtime
- Expert level understanding of Javascript concepts on callbacks and closures
- Experience with Postgres, NoSQL, Redis, and Firebase real-time database
- Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda, API Gateway, SQS, etc
- Understanding of patterns and techniques for building scalable back-end infrastructure including caching, rate limiting, authentication, and authorization schemes.
- Experience in building highly scalable and high throughput services with millisecond response times
- Experience working in a collaborative team environment
- Excellent communication & interpersonal skills
- Willingness to learn and pick up new technology along with patience to mentor
Bonus skills –
- Experience with Elastic Search, Puppeteer
- Experience writing unit test

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Mandatory Criteria :
- Candidate must have Strong hands-on experience with Kubernetes of atleast 2 years in production environments.
- Candidate should have Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI).
- Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
- Candidate should have strong Backend experience.
- Hands-on experience with BigQuery or Snowflake for data analytics and integration.
About the Role
We are looking for a highly skilled and motivated Cloud Backend Engineer with 4–7 years of experience, who has worked extensively on at least one major cloud platform (GCP, AWS, Azure, or OCI). Experience with multiple cloud providers is a strong plus. As a Senior Development Engineer, you will play a key role in designing, building, and scaling backend services and infrastructure on cloud-native platforms.
# Experience with Kubernetes is mandatory.
Key Responsibilities
- Design and develop scalable, reliable backend services and cloud-native applications.
- Build and manage RESTful APIs, microservices, and asynchronous data processing systems.
- Deploy and operate workloads on Kubernetes with best practices in availability, monitoring, and cost-efficiency.
- Implement and manage CI/CD pipelines and infrastructure automation.
- Collaborate with frontend, DevOps, and product teams in an agile environment.
- Ensure high code quality through testing, reviews, and documentation.
Required Skills
- Strong hands-on experience with Kubernetes of atleast 2 years in production environments (mandatory).
- Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI].
- Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
- Solid understanding of distributed systems, microservices, and cloud-native architecture.
- Experience with containerization using Docker and Kubernetes-native deployment workflows.
- Working knowledge of SQL and relational databases.
Preferred Qualifications
- Experience working across multiple cloud platforms.
- Familiarity with infrastructure-as-code tools like Terraform or CloudFormation.
- Exposure to monitoring, logging, and observability stacks (e.g., Prometheus, Grafana, Cloud Monitoring).
- Hands-on experience with BigQuery or Snowflake for data analytics and integration.
Nice to Have
- Knowledge of NoSQL databases or event-driven/message-based architectures.
- Experience with serverless services, managed data pipelines, or data lake platforms.
Job Profile :Sr. Software Engineer/Software Engineer/Associate Software Engineer
Technologies :NodeJS Developer
Eligibility Criteria :Requires minimum of a Bachelor’s Degree in IT, Computer Science, MCA or equivalent experience.
Experience :1 to 3 year
Job Description
Job roles and responsibilities
The candidate’s primary focus will be developing new features for our modern web application. They will get exposure to an ‘agile-centric’ delivery model, while leveraging modern / innovative JavaScript approaches. A candidate who is driven, innovative and has passion for elegant technical solutions will thrive in this role.
- You should have deep understanding of NodeJS
- You should be strong in Javascript and TypeScript
- You should be capable of writing complex queries
- ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment Gateway,
- Error Loggin, API Developement, API Security,
- PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
- Very good knowledge on REST API
- Good experience in Agile methodologies
- Ability to design and write code complying with coding standards and other factors like performance, scalability, reliability, reusability, modularity in mind
- You should have strong logical and problem solving skills
- Excellent communication and customer interfacing skills
- AWS certification is nice to have
- Strong proficiency with JavaScript and good to have ES6(Typescript) knowledge
- Knowledge of Node.js and frameworks such as Express, Restify
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
Competencies and Skills Required
- Requires excellent analytical, problem solving, and good communications skills
- Must be able to work effectively with business stakeholders
- Strong passion for delivering technical solutions to business problems
- Understanding and mindset of Agile software delivery (Ability to adapt to continually changing priorities)
- Team player who understands the importance of teamwork and collaboration
- Passion for delivering new approaches and challenging the ‘status-quo’
- Hungry to learn and always in search of continuous improvement
Our Client started their journey in the year 2009 and is currently one of the best platform for freelance academic writing jobs online. Founded by IIT-IIM and MDI alumni, our client has completed 111349 projects with 839 happy academic freelancers.
They are growing global with their presence in 6 countries like India, Ukraine, Kenya, Bangladesh, Philippines and Pakistan.They boast a round the clock customer support team to resolve the problems and queries of freelancers from across the globe.
- Researching, designing, implementing and managing software programs
- Testing and evaluating new programs
- Writing high quality source code to program complete applications within deadlines
- Performing unit and integration testing before launch
- Working closely with other developers, UX designers, business, Testing Team an systems analysts
- Finding bugs and offering timely solutions
- Integrating user-facing elements developed by front-end developers
- Building efficient, testable, and reusable PHP modules
- Solving complex performance problems and architectural challenges
- Producing detailed specifications
- Troubleshooting, testing and maintaining the core product software and databases to ensure strong optimization and functionality
- Contributing in all phases of the development lifecycle
- Following industry best practices
- Developing and deploying new features to facilitate related procedures and tools if necessary
What you need to have:
- Must have a PHP experience or a full stack development experience.
- B.Tech / M.Tech from any college.
- Good understanding of RESTful API development.
- Good knowledge of TDD (Test Driven Development).
- Good understanding of jQuery, Bootstrap.
- Knowledge of OOPS preferred.
- Strong knowledge of PHP web frameworks like Laravel, CI, etc
- Knowledge of programming language such as Python/ NodeJs will be preferred
- Understanding the fully synchronous behavior of PHP
- Understanding of MVC design patterns
- Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Knowledge of object oriented PHP programming
- Understanding accessibility and security compliance
- Strong knowledge of the common PHP or web server exploits and their solutions
- Understanding fundamental design principles behind a scalable application
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes
- Familiarity with MySQL/ Mongo DB databases and their declarative query languages
- Proficient understanding of code versioning tools, such as Git
- Cross-browser/ platform experience.
- Ability to adapt to changing priorities and to thrive in a fast-paced work environment.
- Good analytical and debugging skills.
- Team-oriented and Self-motivated.
- Understanding the business requirement and providing good scalable solution
- Integrating user-facing elements developed by a front-end developers with server side logic
- Building reusable code and libraries for future use
- Optimizing the application for maximum speed and scalability
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
What you need to have:
- Engineers from Tier 1 colleges, B.Tech/ B.E from only from Tier 1 colleges
- Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
- A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
- Experience with building and scaling apps with RDBMS as well as NoSQLs.
- Experience creating scalable Web APIs for mobile and browser consumption
- Have a penchant for solving complex and interesting problems
- Worked in start-up culture with high levels of ownership and commitment
- Excellent coding skills – should be able to convert design into code fluently
- Working knowledge of - ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS

Description
Experience: 1.5 to 3 yrs
* Hands on work experience developing in Java and J2EE
* Hands on work experience developing in JavaScript
* Extensive working experience in Springboot
* Good to have No SQL (Mongo DB) and My SQL Exposure
* Good to have experience in AWS cloud environment
* Designing, developing, troubleshooting and debugging software within a project scope ensuring that work product meets end user acceptance criteria.
* Managing self-directed assignments to resolve software defects or implement features to meet schedule commitments with a high-level of quality.
* Acquiring knowledge of industry and company standards, tools and technology with a focus on pragmatic application to business-focused software solutions through initiative and self-study
Requirements
Primary Skill Java Springboot, Java Script
Good to have Mongo Db (No Sql), My SQL and Exposure to AWS
Benefits
Salary:300000 LPA to 500000 LPA
Requirements :
- 3+ years of professional software development experience
- 2+ years of object-oriented Java/J2EE hands-on development
- Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- REST web services
- Anyone of the messaging solutions like Kafka, RabbitMQ
Desirables :
- SQL, No SQL concepts
- Experience of Redis or/and Mongo DB
- Agile methodology
- Experience leading or working with cross geography teams
- Unix, shell scripting & Build Systems
Bonus :
- Microservice design and development experience
- Android application development experience
- Experience in performance optimization is an added advantage
- Full SDLC experience (requirements gathering, architecture, development, QA, etc.)
Responsibilities :
- You will be working with the Supply Chain Management team building a leading eCommerce platform for Asian markets
- Order Promising system, promising the order delivery promise date to customer by applying the constraints on current resource availability across different steps in the supply chain. This system needs to scale for thousands of requests per minute with few million seconds of response time
- Warehouse and Inventory Management system, this system needs to scale to processing huge number of orders across different warehouse.
- Transportation and Logistics Management, involves planning and delivery of huge number orders to end customer. This system has the workflows to manage first mile, line haul and last mile delivery to customer
- Inventory Planning, helps in tracking different selling behaviours of the items and triggers / helps planners to replenish, promote, markdown or place inventory at right place to cut down the on hand inventory requirements
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding review, coding, unit testing, end user feedback cycle changes and manging and scaling the system in production.
- Primary role in leading software development teams
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, microservices and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud-based or hosted product platforms
- Drive the implementation of new technologies that improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
Qualification :
- A Bachelors degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation, hands-on programming capability, competitive programming is a plus
You are a motivated and energetic rockstar full stack developer. Go-getter, think out of box to create awesome front-end (jQuery or ReactJS) and back-end (APIs) of an application platform.
Skills:
- Develop web apps using jQuery or ReactJS, HTML5, CSS3, Bootstrap, PHP Advanced, any MVC framework and Ajax.
- Hands on knowledge of Adobe Photoshop
- Experience of setting up a production workflow with git and cloud deployment will be plus.
- Knowledge of web technologies such as NodeJS, ReactJS, VueJS etc will be plus
// must have a strong understanding of UI, cross-browser compatibility, general web functions and standards.
// willingness to learn and improvise skills
// "NEVER SAY NO" attitude towards new and challenging projects
// good verbal and communication skills
// excel in a fast-paced startup-like environment. Should be goal-orientated and be able to work without any supervision or mentorship.







