● 3+ years of experience with React.js, React Native and Node.js
● Experience in building and deploying a mobile application using React Native.
● Strong proficiency in JavaScript/TypeScript, including DOM manipulation and the JavaScript
object model
● A sound understanding of Redux/Flux, Webpack, ES6, Jest.
● Must have hands on experience in Restful APIs
● Using logic and reasoning to identify the strengths and weaknesses of alternative solutions,
conclusions or approaches to problems
● Ability to ship features on a weekly basis: should be good at time management and
prioritization
● Hands-on experience in CI/CD principles and TDD
● Strong written and verbal English communication skills
Your responsibilities:
● Understand the business context and build high quality code using proven design and
architectural patterns
● Develop, test and deploy integrations required to meet business requirements
● Carry out unit tests and other quality control mechanisms to inform and validate the code and
design
● Utilizing and monitoring cloud infrastructure resources (such as AWS, Azure) efficiently
● Participate in a highly fluid environment applying agile software development principles
● Ensure the coding standards are on-par with the best in the industry

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Job Title: Principal Backend Engineer
Experience: 7+ Years
Location: Panchkula (Onsite)
📍 Office will move to IT Park, Chandigarh from February
Work Mode: Onsite | 5 Days a Week
About the Role
We are looking for a Principal Backend Engineer to architect, scale, and lead the development of robust backend systems. This is a hands-on leadership role where you’ll drive technical decisions, mentor engineers, collaborate closely with clients and product teams, and help modernize platforms using scalable architectures and emerging technologies, including AI/ML where relevant.
Tech Stack
- Backend: PHP (Laravel / CodeIgniter), Node.js
- Databases: MySQL, MongoDB
- Architecture: Microservices / Modular Monolith
- Cloud (Good to Have): AWS / GCP
Key Responsibilities
Backend Architecture & Development
- Own and evolve backend architecture across PHP and Node.js services
- Design and review scalable, maintainable systems (microservices or modular monoliths)
- Manage and optimize integrations across MySQL and MongoDB (data modeling, indexing, performance tuning)
Technical Leadership
- Lead system design discussions, architecture reviews, and code quality initiatives
- Establish backend development standards, best practices, and documentation
- Mentor mid and senior engineers on design patterns, testing strategies, and CI/CD pipelines
- Drive decisions around refactoring legacy systems and platform modernization
Client & Stakeholder Communication
- Act as the technical SPOC for backend architecture and integrations
- Translate business and product requirements into technical solutions
- Explain trade-offs, constraints, and backend workflows to non-technical stakeholders
- Present PoCs and technical approaches confidently to clients
AI & ML Integration (Strategic / Optional)
- Identify backend use cases for AI such as personalization, recommendations, fraud detection, or data enrichment
- Design backend APIs, services, or cron jobs that interact with AI/ML models
- Collaborate with data teams and stay updated on AI tools/APIs (e.g., OpenAI, LangChain)
Scalability, Security & Performance
- Ensure API security, role-based access control, and rate limiting
- Optimize system performance using caching, queues, and query optimization
- Plan and support horizontal/vertical scaling on cloud infrastructure
What We’re Looking For
- 8+ years of backend development experience in PHP and/or Node.js
- Strong expertise in database design (MySQL & MongoDB)
- Proven experience leading architecture decisions and mentoring engineers
- Ability to clearly communicate technical concepts to clients and stakeholders
- Proactive mindset toward scalability, performance, and system resilience
- Bonus: Experience or curiosity around AI APIs and real-world AI integration
Why Join uEngage?
- Work on high-impact systems used by thousands of users
- Collaborate with product, design, data, and client teams
- High ownership and freedom to architect and innovate
- Competitive compensation and a collaborative work culture
8+ years backend engineering experience in production systems
Proven experience architecting large-scale distributed systems (high throughput, low latency, high availability)
Deep expertise in system design including scalability, fault tolerance, and performance optimization
Experience leading cross-team technical initiatives in complex systems
Strong understanding of security, privacy, compliance, and secure coding practices
What You’ll Do:
● Lead and mentor a team of backend engineers, providing technical direction, guidance, and
performance feedback
● Architect, design, and develop scalable backend services and APIs using Golang
● Own SQL database design, optimization, indexing, and performance tuning to ensure data integrity
and efficiency
● Work closely with Product, QA, DevOps, and Analytics teams to translate business requirements
into robust technical solutions
● Drive best practices in system design, code quality, security, and reliability
● Troubleshoot and resolve complex issues across development, staging, and production
environments
● Oversee CI/CD pipelines and ensure smooth, reliable deployments
● Conduct and participate in code reviews to maintain high engineering standards
● Collaborate with QA teams to ensure thorough testing and high-quality releases
● Stay updated with emerging technologies and industry trends, recommending and implementing
improvements where applicable
● Foster a collaborative, innovative, and growth-oriented engineering culture
What You’ll Need
● 6+ years of professional software engineering experience, including 3+ years of hands-on Golang
development
● Proven experience leading or managing engineering teams
● Strong expertise in SQL databases (schema design, query optimization, indexing, performance
tuning)
● Hands-on experience with Columnar OLAP databases (Druid, ClickHouse, or similar)
● Hands-on experience with OLTP databases (ScyllaDB, Redis, or similar)
● Solid understanding of microservices architecture, RESTful APIs, and distributed systems
● Experience with Docker, Kubernetes, and cloud platforms (AWS / GCP / Azure)
● Strong proficiency with Git and collaborative development workflows
● Deep understanding of concurrency, performance optimization, and memory management in
Golang
Nice to Have:
● Experience with NoSQL databases and data modeling
● Exposure to messaging systems such as Kafka, RabbitMQ, or similar
● Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK stack)
● Experience working in Agile / Scrum environments
• Writing and testing code, debugging programs and integrating applications with third-party
web services. To be successful in this role, you should have experience using server-side logic
and work well in a team.
• Ultimately, you'll build highly responsive web applications that align with our business needs.
• Write effective, scalable code Develop back-end components to improve responsiveness and
overall performance Integrate user-facing elements into applications.
• Test and debug programs
• Improve functionality of existing systems Implement security and data protection solutions
• Assess and prioritize feature requests
• Coordinate with internal teams to understand user requirements and provide technical
solutions
• Expertise in at least one popular Python framework (like Django, Flask, etc)
• Team spirit
• Good problem-solving skills.
Requirements
• 3 to 5 years of experience as a Python Developer
• Hands-on experience with Flask, Django or Gin or Revel or Sanic
• Knowledge of design/architectural patterns will be considered as a plus
• Experience working in an agile development environment with a strong focus on rapid
software development
• Experience in AWS or similar cloud technologies
• Excellent troubleshooting and debugging skills
• Proven ability to complete the assigned task according to the outlined scope and timeline
• Experience with messaging frameworks such as SQS/Kafka/RabbitMq
• Experience with Elastic Search
• Willingness to learn new and different technologies
Location - South Delhi
- Deployment and production support.
- Strong knowledge of SQL database and experience in writing queries with and without ORM.
- Designing and creating RESTful APIs for internal and partner consumption
- Experience of code versioning tools, such as Git, Bitbucket, Github
JOB DESCRIPTION
DYT - Do Your Thing, is an app, where all social media users can share brands they love with their followers and earn money while doing so! We believe everyone is an influencer. Our aim is to democratise social media and allow people to be rewarded for the content they post. How does DYT help you? It accelerates your career through collaboration opportunities with top brands and gives you access to a community full of experts in the influencer space.
RESPONSIBILITIES
- Expert in Python with knowledge of Python best practices (PEP8)
- Strong knowledge of python web frameworks such as Django, Flask • Strong knowledge of building RESTful APIs using Django Rest Framework • Good Understanding of Django ORM Libraries
- Able to integrate multiple data sources and databases into one system • Strong experience on Linux
- Solid database skills in a relational database (i.e. PostgresSQL,MYSql) • Able to create database schemas that represent and support business processes • Strong unit test and debugging skills
- Proficient understanding of code versioning tools (git)
- Experience deploying on AWS is desirable
- Experience with Docker,Test Drive Development will be a plus
- Excellent interpersonal, leadership, influence and communication skills • Experience in designing scalable micro-services is desirable
QUALIFICATIONS
- 1-3 years of experience as a backend developer
- At least one product build and published
- SKILLS Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Work well under pressure and meet deadlines without sacrificing quality • Work with distributed development teams
· Understanding the fully asynchronous behaviour of NodeJs
· Knowledge of the common NodeJs or web server exploits and their solutions, accessibility, and security compliance's.
· Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
· Excellent working knowledge of databases, database schema that represent and support business processes
Mandatory:
Skill sets: Node JS, JavaScript, Mongo DB
Deployment experience on Production Server.
Location: Bangalore

Basic Qualifications
Candidates for this role must have:
- Bachelor’s degree in computer science or a related field
- At least three years of experience writing production code of increasing complexity
- Strong understanding of computer science fundamentals, including algorithms, complexity analysis, data structures, problem solving, and object-oriented analysis and design
- Proficiency in at least one of the following: Java, C, C++, C#, Ruby, Scala, Python
- Experience refactoring code and evolving architectures
- Experience crafting unit, integration, functional and regression tests
Preferred Qualifications
- Master’s degree in computer science or a related field
- Experience developing in a Linux environment
- Experience applying service-oriented architecture techniques to production use cases
- Experience in developing secure, multi-platform mobile applications
We are looking for a full-time remote Senior Backend Developer who has worked with big data and stream processing, to solve big technical challenges at scale that will reshape the healthcare industry for generations. You will get the opportunity to be involved in the big data engineering, novel machine learning pipelines and highly scalable backend development. The successful candidates will be working in a team of highly skilled and experienced developers, data scientists and CTO.
Job Requirements
1) Writing well tested, readable code using Python that is capable of processing large volumes of data
2) Experience with cloud platforms such as GCP, Azure or AWS are essential
3) The ability to work to project deadlines efficiently and with minimum guidance
4) A positive attitude and love working within a global distributed team
Skills
1) Highly proficient working with Python
2)Comfort working with large data sets and high velocity data streams
3) Experienced with microservices and backend services
4) Good relational and NoSQL database working knowledge
5) An interest in healthcare and medical sectors
6) Technical degree with minimum of 2 plus years- backend data heavy development or data engineering experience in Python
7) Desirable ETL/ELT
8) Desirable Apache Spark and big data pipelines, and stream data processing (e.g. Kafka, Flink, Kinesis, Event Hub)
development of which at least 1 year should be team management experience.
You should be knowledgeable about programming languages - specifically Java,
Python, operating systems, networks, databases and SQL, algorithms, advanced
architecture, code design, system design, design patterns, project and people
management.
An aptitude for product thinking is preferred. You should also hands-on experience on
mobile app development. Knowledge of Python is a plus.








