
1. Design patterns- socket communication/ micro services architecture
2. Caching - REDIS MEMCACHED etc
3. Database - MONGO, SQL etc. min 2yrs experience with these.
4. Features created for large concurrent requests.
5. Node Js, Go lang any asynchronous programming language min 2 yrs exp with any one of them.
6. Message Queues - RABBIT MQ, Kafka etc.

Similar jobs
Experience Required: 5-7 Years
No. of vacancies: 2
Job Type: Full Time
Vacancy Role: WFO
Job Category: Development
Job Description
We are looking for an experienced Senior Node.js Developer to join our development team. The ideal candidate will have a passion for backend development, expertise in building scalable applications, and a deep understanding of server-side logic. You’ll work with a team of talented engineers to develop improve, and scale our backend systems.
Roles & Responsibilities
- Backend Development: Design and implement APIs, web services, and backend systems usingNode.js.
- Database Management: Develop and optimize database solutions, ensuring data consistency, integrity, and security.
- Collaboration: Work closely with frontend developers, designers, and other team members to create a cohesive product.
- Testing & Debugging: Write unit tests, perform debugging, and ensure the codebase meets quality standards.
- Scalability: Ensure the application is scalable, maintainable, and performs well under high traffic.
- Code Review: Participate in code reviews, share feedback, and promote best practices for coding.
- Documentation: Maintain clear, comprehensive documentation for system architecture, APIs, and codebase.
Qualifications
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Experience: 5+ years of experience in backend development with Node.js.
- Proficiency in JavaScript and ES6+ features.
- Experience with RESTful and/or GraphQL API design.
- Knowledge of frameworks like Express.js or Koa.
- Familiarity with database technologies(e.g., MongoDB, MySQL, PostgreSQL).
- Understanding of containerization (Docker) and cloud services(AWS, GCP). Tools: Proficiency in Git, CI/CD pipelines, and other dev tools.
- other Skills: Strong problem-solving skills, ability to work independently, excellent communication skills.
About Simprosys InfoMedia:
Simprosys is a diverse team of E-commerce enthusiasts with a simple yet powerful goal of empowering E-commerce merchants with easily adaptable product listings’ and Ad management solutions.
Our crew consists of budding techies developers who build and maintain the technological interventions to automate our product listing and ad management solutions. Support executives who are digital marketers themselves. Passionate designers with exceptional UI designing, motion graphics, animation, and video editing skills. Our marketing team consists of versatile content creators and brand strategists.
Be a part of our E-commerce enthusiasts crew.
Job Title: Sr. Python Developer
Location: Ahmedabad (Onsite)
Skill Set: Python, JavaScript, Python frameworks (Flask, Django, Django Rest Framework), AWS, Data Science, Machine Learning.
Responsibilities:
- Develop and maintain Python applications, using frameworks like Flask or Django to create and manage APIs and web services.
- Integrate various data sources and databases, including SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) systems, into a unified solution.
- Model data for reporting and analysis, leveraging libraries like NumPy, Pandas, and Matplotlib to provide insights and communicate results to stakeholders.
- Utilize AWS services, such as DynamoDB and Lambda, to build and deploy efficient, cloud-based solutions.
- Manage code versions with GIT, ensuring effective tracking and collaborative development practices.
- Employ strong debugging and optimization skills to ensure high performance and resolve issues promptly.
Requirements:
- Strong knowledge and hands-on experience with Python, including its standard libraries, toolkits, and APIs.
- Experience with web frameworks like Flask or Django, and familiarity with REST framework principles for web services.
- Proficiency in database structures, with practical experience in SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.
- Experience with cloud platforms, especially AWS, and knowledge of services like DynamoDB and Lambda.
- Skilled in Python libraries for data analysis, such as NumPy, Pandas, and Matplotlib, with an understanding of big data frameworks.
- Excellent analytical and problem-solving skills, capable of debugging and resolving complex issues efficiently.
- Strong grasp of data structures and algorithms, crucial for building efficient applications.
- Thoroughly understand version control systems, particularly GIT, for effective code management and collaboration.
-
Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker
-
Experience in the development of scalable and extensible systems using Java
-
Proficiency in Database technology such as MySQL, Oracle and MongoDB
-
Routines Sync & Async
-
Solid and fluent understanding of algorithm and data structures
-
Excellent software design, problem-solving and debugging skills
-
Demonstrated high ownership in previous projects
-
Excellent Communication Skills
-
Good understanding of Elastic Search, Redis
-
Experience working in the cloud environment, preferably AWS*.
-
Write unit tests and run automated tests through CI/CD
-
Ability to learn new and existing technologies
-
Experience in building cloud SaaS or PaaS solutions/products
Responsibilities for Jr. Node JS Developer: 3+yrs
· Should have relevant object-oriented application-building experience in a professional environment.
· Design and implementation of low-latency, high-availability, and performant applications.
· Implementation of security and data protection.
· Thorough understanding of relational databases such as MySQL or similar technologies.
· Excellent coding skills in Node.js, and JavaScript.
· Knowledge of working closely with code versioning tools like git.
· Excellent communication skills and being able to work independently or in a full team.
Required Skills:
· Strong proficiency with JavaScript.
· strong hold on Node.js and frameworks.
· Understanding the nature of asynchronous programming and its quirks and workarounds.
· Good understanding of server-side templating languages.
· Good understanding of server-side CSS preprocessors.
· Basic understanding of front-end technologies, such as HTML5, and CSS3.
· 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.
· 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.
- Participating in design discussions, documentation, and development with the team as needed.
- Reporting to team lead/ manager on daily activities planned, expected deliverables, and reports as defined for the project.
- Participating in requirement gatherings as required.
What you need to have:
- Backend Developer with 3+ yrs of experience
- You have spent at least 2 yrs in a solid back end role.
- Javascript, Typescript, NodeJS
- Client-server architecture
- OOP concepts, including design patterns
- Understanding of RDBMS (MySQL, Postgresql)
- Understanding of REST API
- Familiarity with frameworks such as ExpressJs, NestJs
- Knowledge of TDD frameworks mocha, chai, jest, etc
- Knowledge of AWS (Lambda, RDS, EC2, SQS, S3, ECS, etc)
- Attention to detail
- Excellent communication skills
- Flexible and focussed on solutions
- Organized and self-sufficient
- Prioritize learning and growth
- Enjoy working with a team
- You've prior experience in fintech
- You've had experience taking a problem to a product solution (module/ product)
- Prior experience working with startups and understand the fast-paced, dynamic nature of work.
- You're based in Bangalore, India
About Us:
We're on a mission to make it possible for every person, team, and company to be able to tailor their software to solve any problem and take on any challenge. Computers may be our most powerful tools, but most of us can't build or modify the software we use on them every day. At Notion, we want to change this with focus, design, and craft.
We've been working on this together since 2016, and have customers like Pixar, Mitsubishi, Figma, Plaid, Match Group, and thousands more on this journey with us. Today, we're growing fast and excited for new teammates to join us who are the best at what they do. We're passionate about building a company as diverse and creative as the millions of people Notion reaches worldwide.
About The Role:
Millions of people use Notion — and this number is increasing every day. That means a million people trust us to deliver a fast, reliable, and secure experience, and we value this more than anything. We want to keep earning trust, while also continuing to amaze our users with the tools they can build in Notion. This is where you come in — to help us forge a performant and reliable path forward to the future.
What You'll Achieve:
- Write clean, secure, tested, and documented code.
- Design & enhance the Notion platform with new capabilities, as and when the need arises.
- Contribute to monitoring & scaling the architecture of the platform and the infrastructure.
- Write technical documentation, and contribute to determining internal processes.
- Contribute to recruiting of new backend employees
Skills You'll Need to Bring:
- 6+ years of experience building scalable platforms.
- Good understanding of database (Relational Or Nosql) internals like transactions, indexes. Experience in schema design.
- 2+ years of experience working on the AWS platform, and acquaintance with technologies like Elastic Beanstalk, AWS Lambda, Elastic Load Balancer.
- Good understanding of docker internals.
- Good communication skills, good leadership skills, attention to detail, a sound understanding of algorithms, and object-oriented programming.
Nice to Haves:
- You're proficient with any part of our technology stack: React, TypeScript, Node.js, Memcached, Postgres, Docker, and Elasticsearch.
- You've heard of computing pioneers like Ada Lovelace, Douglas Engelbart, Alan Kay, and others—and understand why we're big fans of their work.
- You have interests outside of technology, such as in art, history, or social sciences.
Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Notion.
Notion is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Notion is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation made due to a disability, please let your recruiter know.
At Rizzle, we are building the World's #1 Short Videos Platform and are working towards building a team that is
deeply motivated to make that happen. Rizzle is a community for people to talk, react, perform, or create a new
show. Talk about life, relationships, ideas big and small, anything at all - Rizzle is the short video platform you've
been waiting for!
We're passionate about connecting people in interactive ways, the way life should be. We're obsessed about
building positive communities and providing people the right tools to keep interactions positive and are dual-
homed in San Francisco and Hyderabad (India).
Responsibilities:
• Work on an agile engineering team writing maintainable and scalable code for software components and
influencing team decisions.
• Collaborate with stakeholders to imagine, design, develop, test, and launch software.
• Capable of independently clarifying technical requirements, assessing development estimates and
applying a broad range of design approaches.
• Review code of other team members and provide constructive direction.
• Drive continuous improvement of software quality and maintainability of products/features.
• Continuous learning of technology trends, tools, and approaches, including sharing this knowledge with
your team.
• Mentor and lead developers by cultivating curiosity and deep technical understanding.
Requirements:
• Experience contributing to the architecture and design (architecture, design patterns, reliability and
scaling) of new and current systems
• A Bachelor's degree in Computer Science or equivalent combination of technical education and work
experience;
• 3 to 6 years of Software Development experience;
• Experience designing highly interactive web applications with performance, scalability, accessibility,
usability, design, and security in mind. If you don't have all of these, that's ok.
• Strong coding skills
• Solid software development background including design patterns, data structures, test driven
development.
• Experience with distributed systems, algorithms, and relational and no-sql databases.
• Familiar with building complex web applications.
• Software development experience in building highly scalable applications.
• Any previous experience in working with Node.js, Redis, FFMPEG, MongoDB, ElasticSearch, Cassandra,
Kafka or AWS is a plus.
Why choose Us?
• Enjoy a start-up culture where you learn and grow along with the organization. We know when to
work hard and play hard!
• We value your time-off, so we have an unlimited leavespolicy
• We also keep you covered in terms of a health insurance
• You wear what you are most comfortable in (Yes! You heard it right); lunch is on us (Everyday!) and
you also enjoy the liberty to choose your workinghours
Join us if you want to work with a flat and collaborative team and contribute to learnings of the team. We want to
learn from you too!
What you can expect in the interview process:
• Initial screening with HR
• Technical Interview I
• Technical Interview II
• HR Discussion











