
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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Position Overview:
We are seeking a skilled Java Developer to join our dynamic team. The ideal candidate will have a strong foundation in Core Java and extensive experience in developing and deploying applications using Spring Boot, Apache Tomcat, and other related technologies. The candidate should possess expertise in building Restful Web Services, Microservices architecture, and be proficient in implementing multi-threading concepts.
Additionally, experience with Maven, Git, Jenkins, and Agile Scrum methodologies is essential for this role. The candidate should also have a solid understanding of software development lifecycle (SDLC) processes. Familiarity with various databases such as MySQL, PostgreSQL, Oracle, or MongoDB, along with third-party API integration and payment gateway integration, is required.
Key Responsibilities:
• Develop, test, deploy, and maintain Java-based applications.
• Design and implement Restful Web Services and Microservices using Spring Boot.
• Utilize multi-threading concepts to enhance application performance.
• Integrate third-party APIs and payment gateways into applications.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality solutions.
• Participate in Agile Scrum ceremonies and contribute to sprint planning, backlog grooming, and retrospectives.
• Ensure adherence to best practices and coding standards.
• Conduct code reviews and provide constructive feedback to peers.
• Troubleshoot and debug complex issues in production environments.
• Document design decisions, processes, and procedures.
Required Qualifications:
• Bachelor’s degree in computer science, Engineering, or related field.
• Minimum 3 years of experience as a Java Developer with expertise in Core Java.
• Strong knowledge of Spring Boot, Apache Tomcat, and multi-threading concepts.
• Hands-on experience in building Restful Web Services and Microservices architecture.
• Proficiency in using Maven, Git, and Jenkins for build and deployment processes.
• Familiarity with Agile Scrum methodologies and SDLC processes.
• Experience working with databases such as MySQL, PostgreSQL, Oracle, or MongoDB.
• Demonstrated ability to integrate third-party APIs and payment gateways.
• Excellent problem-solving and analytical skills.
• Effective communication and collaboration skills.
• Familiarity with NoSQL databases like MongoDB.
• Knowledge of Azure DevOps for CI/CD pipelines
- Must have hands-on experience in web applications development, and open-source technologies stack (Node.JS, React JS, Gatsby, PHP, etc.).
- Resolution conflicts and understands the logical implementation to find optimal solutions.
- Experience in developing end-to-end solutions and backend architecture.
- Ability to apply advanced concepts, and contribute to the development of innovative principles and ideas.
- Advanced knowledge of back-end configuration and deployments.
- Advanced understanding of RDBMS and NoSQL databases.
- Advanced knowledge Git source code management.
- Minimum 8 years of experience required.
We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Responsibilities:
• Developing front end website and back-end website applications.
• Seeing through a project from conception to finished product.
• Designing and developing integrations with 3rd party apps.
• Working on Next JS and Node JS .
• Design, build and maintain SaaS-based products.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Web services and Integration with Business applications and various softwares
• Work with outside data sources and API’s, REST API's
• Unit-test code for robustness
• Work on bug fixing and improving application performance.
Requirements:
• Experience of 1-3 years.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Proficiency with languages such as React JS, Next JS, Node JS, PHP Laravel, Angular, WordPress, REST API's
• Excellent verbal communication skills.
• Good problem-solving skills.
• Knowledge of software development principles and design patterns.
• Excellent problem-solving skills and ability to learn new technologies quickly.
• Strong communication skills and ability to work collaboratively in a team environment.
Job Type: Full-Time, 9 am to 6:30 pm (Monday to Friday)
We're looking for someone to join a team dedicated to building performant APIs and backend services that deal with large volumes of data for the company's flagship, global consumer product. Small, high-impact teams require conscious planning and decision-making when it comes to design, architecture, and product features. So, it's essential that you enjoy working in such an environment.
We're a team that cares about simplicity and being able to build reliable, deterministic systems and platforms. Hence, our choice of tooling is usually battle-tested reliable software with a robust test suite.
How we work
- You won't deal with the hustle culture. We're focused on building well-thought-out, stable and reliable software and we try our best to ensure everyone understands the big picture and the immediate goals.
- We work a solid 6-8 hour days and don't slave away 24/7.
- We're a remote engineering team. This makes effective communication extremely important. Our teams have benefitted greatly from good written communication. This includes everything from the product specification to the API spec. We spend a lot of time writing READMEs. As a result our engineers work with greater clarity and planning.
- We deploy several times a day and rely on a good test suite to ensure we're not making life hard for our colleagues.
- We don't expect anyone to know everything, but we are curious and learn along the way.
- We learn about the fitness space and what it means to really be fit and not just Instagram fit.
The Python Backend Engineer position may be a good fit for you if:
- You have 3 (or more) years of experience building and maintaining cloud applications.
- You have built APIs with Python, Flask, Django or FastAPI before.
- You have experience working with relational databases like PostgresSQL or MySQL and have spent time writing SQL queries for large datasets.
- Experience in writing Unit tests with pytest.
- You have worked with Docker, docker-compose.
- Familiarity with the AWS ECS stack.
We want you to care about
- Good object oriented design
- Performant APIs
- Analysing why queries are slow and how to go about improving them.
- Understanding DNS, Load balancing, Caching and Hashing.
- Customer data and privacy.
Our API Stack services use:
- Python 3.8+, Typescript
- FastAPI, Flask, HapiJs
- PostgresSQL, MySQL
- Redis
- Celery
- Pytest, Jest for unit testing.
- Gitlab CI/CD
- Amazon ECS container services
Desired candidates must have 3-6 years experience as NodeJs Developer.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
1. Ability to work in a fast-paced environment with minimal supervision
2. Experience in Agile development using JIRA, GIT, Confluence.
3. 3+ years of Experience in node.js + Express.
4. Experience in profiling, debugging & troubleshooting Node.js processes.
5. Strong Experience as a backend developer for REST API design.
6. Strong knowledge of SQL/NoSQLdatabases like PostgreSQL / MySQL or MongoDB
7. Understanding accessibility and security compliance
8. Understanding fundamental design principles behind a scalable application.
9. User authentication and authorization between multiple systems, servers, and
environments.
Good knowledge and experience of working with backend systems;
designing server-side architecture, including production maintenance experience are must-haves.
At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).
Understanding of micro-services oriented architecture.
Experience with Databases design (SQL, NoSQL) and analytics
Experience in driving and delivering complex features/software modules from technical design to launch.
Expertise with unit testing & Test Driven Development (TDD)
Design themes using HTML, CSS/SASS, Bootstrap, and WordPress.
Maintain existing WordPress client sites.
QA sites during staging and after deployment.
Create clean, DRY, and reusable code.
Keep yourself and the team up to date with JIRA kanban flow work boards.
Work with Lead and junior developers as a team from start to finish.
Responsibilities and Duties
Fluency with WordPress, PHP, MySQL, HTML5, CSS/SASS, and Frameworks with Responsive design.
PHP frameworks knowledge and MVC understanding
Skilled working with vanilla JavaScript, jQuery, and other JavaScript libraries (Angular or React)
Knowledge of version control (GIT).
Attend meetings with in-house account managers and project leads to discuss technical requirements, timeframes, mockups/wireframes and scope of work.
Working both independently and with other developers.
Ability to work on multiple projects at the same time.
Adhering to best practices, comments in code, and documentation.
2+ year of experience with WordPress and PHP.
Willingness to learn Advance WP CMS and Liquid templating for custom theme development.
Experience building custom themes, plugins, and widgets.
Experience working with third-party APIs - SOAP, REST and other (Facebook and Twitter).
Required Experience and Qualifications
Key Skills
Strong knowledge of web performance optimization, caching. Experience working with WP Engine Server Environment. Benefits Additional Notes We are offering amazing career growth opportunities, great compensation, and benefits. This begins with: - weekly lunches, alternate weekends-off, annual medical checkups, social engagement, financial assistance and more.
Required Experience and Qualifications
3 to 4 Years of working experience in WordPress is required.
Benefits
Perks, Benefits & Culture:
We are offering amazing career growth opportunities, great compensation, and benefits. This begins with -
- weekly lunches
- alternate weekends-off
- Half-day working Saturdays
- annual medical checkups
- Social engagement
- financial assistance
- Diwali Bonuses
- and more...













