
About Duplex Technologies Services
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as Postgres, MySQL or MongoDB. Candidates must have an understanding of Microservices and deploying of applications to cloud infrastructure such as AWS, Azure or GCP using git, Docker and
CI/CD pipelines. Candidates must be open to learning new technologies and must be problem solvers.
The job being offered is with a leading Indian Bank as a Client-side deployment where the candidates would be working directly at the Client’s location, reporting directly to the Client’s team leads. The job entails working on exciting new projects at scale.
About the Company:
Alyke, recognized as India's first friendship app, is revolutionizing the way people find friends online through its innovative matching algorithm. Alyke has quickly gained traction, surpassing 1 million users. This platform uniquely connects individuals based on shared interests and proximity, and stands out for its commitment to creating a secure environment that encourages users to express themselves freely. Joining Alyke offers the chance to be part of an innovative team dedicated to reshaping the landscape of social connections
Role Overview:
As a Senior Backend Developer, you will play a crucial role in the design, development, and optimization of our backend systems. You will be instrumental in building scalable, high-performance applications that support our business's needs. This role demands a deep understanding of backend technologies, database design, cloud infrastructure, and the ability to integrate a wide range of services and APIs.
Key Responsibilities
- Design and implement scalable, secure, and robust backend services and APIs.
- Lead the development of microservices architecture, ensuring optimal performance and scalability.
- Oversee the integration of third-party services and external APIs, including notification services like FCM.
- Develop and manage database schemas, optimizing for performance and scalability using MongoDB and Redis.
- Implement real-time data processing mechanisms for live updates and push notifications, utilizing technologies like Firebase.
- Manage cloud infrastructure and serverless functions on platforms such as AWS and GCP, ensuring efficient operations and cost management.
- Ensure the security of backend systems through robust authentication, authorization, data encryption, and adherence to best practices in data security and compliance.
- Work closely with the frontend team to integrate backend services and ensure a seamless user experience.
- Continuously evaluate and adopt new technologies and frameworks to improve the backend infrastructure.
- Mentor junior developers, fostering a culture of learning and growth within the team.
Qualifications
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- 5+ years of experience in backend development, with a strong portfolio of projects demonstrating expertise in NodeJS, ExpressJS, and asynchronous programming.
- Extensive experience with database design, optimization, and management using MongoDB and Redis.
- Proven track record in developing and managing REST APIs.
- Deep understanding of microservices architecture and real-time data processing.
- Solid experience with caching mechanisms and SQS management.
- Comprehensive knowledge of security principles, including authentication, authorization, and data encryption.
- Familiarity with compliance and data protection standards.
- Should have worked on scalable microservices architecture
- Experience with Lambda functions.
- Experience working with firebase
- Should have proven experience in mobile application development
- Should have working experience in sqs
- Have knowledge of elastic cache
- Experience with cloud-native development and managing cloud infrastructure on AWS or GCP.
- Excellent problem-solving skills, with the ability to lead projects and collaborate effectively with cross-functional teams.
- Strong communication and leadership skills, with a passion for mentoring and driving technical excellence.
- Attach the link of mobile application worked on till date
Why Join Us?
- Opportunity to lead a cutting-edge project impacting users globally.
- Work in an environment that fosters innovation, collaboration, and professional growth.
- Competitive compensation, comprehensive benefits.
- B.E in computer science or related fields.
- Hand-on development experience with web & database technologies (MS SQL).
- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
- Ability to work at the tactical and strategic levels of IT initiatives.
- Impressive hands-on experience in .Net technologies. Impressive hands-on experience and knowledge with C#, SQL, JSON, XML, Win Forms & MVC, Angular, JavaScript, jQuery , HTML/CSS.
- Self-Motivated, flexible & Innovative.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.
Roles and Responsibilities
• Production platform hands-on experience involving Node JS & REST API.
• Hands-on production platform experience working with micro-service back-end architecture.
• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.
• Well-versed in cloud deployment of code blocks.
• Experience with JS testing and code analysis frameworks such as Mocha.
• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.
• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.
• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.
• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.
• Utilize AWS S3 bucket for secure and scalable storage of data and media files.
• Collaborate with QA engineers to perform thorough testing and bug fixes.
• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.
Job Brief:
We are looking for experience in API and Node.js to produce scalable software solutions. You will be part of a cross-functional team that is responsible for the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.
Responsibilities:
· Work with development teams and product managers to ideate software solutions.
· Design client-side and server-side architecture
· Build the front-end of applications through appealing visual design.
· Develop and manage well-functioning databases and applications.
· Write effective APIs.
· Test software to ensure responsiveness and efficiency.
· Troubleshoot, debug and upgrade software.
· Create security and data protection settings.
· Build features and applications with a mobile responsive design.
· Write technical documentation.
· Work with data scientists and analysts to improve software.
Requirements:
· Proven experience as a Full Stack Developer or similar role
· Experience developing desktop and mobile applications.
· Familiarity with common stacks
· Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Nodejs and .Net)
· Familiarity with databases (e.g. MySQL, MS SQL, Mogo DB)
· Good to have- Cloud knowledge (Azure, AWS)
· Strong command on API Development with Nodejs
· Good to have- knowledge on multiple back-end languages ( Java, Python) and knowledge of JavaScript frameworks ( React, Angular, Node )
· Excellent communication and teamwork skills
· Great attention to detail
· Organizational skills
Technical Skills:
HTML, CSS, React, API, JavaScript, Node, SQL, and Cloud knowledge (Azure/AWS)
Experience – 4+ Years
Job description
Develops MDM data model and architecture
Configure MDM tools to perform MDM design as required
3+ years of experience in Pimcore
5+ years of experience in PHP/MySQL
3+ years of experience in MVC (Model-View-Controller) framework
4+ years of experience in Symfony 4.x.
Experience in front-end technologies like HTML, CSS, and Ajax.
Strong experience in design, implementation, and optimization of RDBMS databases,
especially MySQL/ MariaDB.
In-depth knowledge of MySQL Database.
Data analysis, data standardization, and data cleanup
Command over Object-Oriented PHP programming
Experience with RESTful services
Experience with DevOps (CICD, etc.).
Experience with Git.
Required Skills
Excellent PHP skills
Good knowledge of relational databases with emphasis on MySQL
Good understanding of JavaScript including AJAX (using jQuery 2.x/1.x) and experience developing client-side JavaScript MVC applications (Backbone.js / AngularJS) is a plus.
- 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







