Python Engineer (AI & Cloud)

About NonStop io Technologies

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.

Brief Description

We are looking for a passionate and experienced Backend Engineer (Python) to join our engineering team. The ideal candidate will have strong expertise in backend development, API design, scalable application architecture, and SaaS applications, along with familiarity with React and frontend technologies. You will collaborate with cross-functional teams to build, enhance, and maintain robust, secure, and high-performance applications.

Roles and Responsibilities

• Design, develop, and maintain scalable and high-performance web applications and backend services
• Develop secure, efficient, and reliable backend services and RESTful APIs using Python
• Design and implement scalable microservices and distributed application components
• Collaborate with frontend engineers and contribute to React-based features or integrations when required
• Work closely with product managers, designers, QA engineers, and other stakeholders to deliver high-quality features
• Write clean, maintainable, reusable, and testable code following software engineering best practices
• Participate in code reviews and contribute to coding standards, engineering practices, and technical improvements
• Optimize applications, APIs, databases, and backend services for performance, reliability, and scalability
• Troubleshoot, diagnose, and resolve application and production issues
• Contribute to system architecture, technical design decisions, and continuous improvement initiatives
• Develop and maintain automated tests to ensure application quality and reliability
• Collaborate with DevOps teams to support CI/CD pipelines, containerized deployments, and cloud-based applications

Requirements

• 3 to 6 years of professional experience in Backend Development using Python
• Strong hands-on experience with Python backend frameworks such as Django and Flask
• Experience building and supporting SaaS applications, with exposure to microservices, caching, pub-sub, messaging technologies, RESTful APIs, and distributed systems
• Strong understanding of databases such as PostgreSQL, MySQL, MongoDB, or SQL Server
• Experience with version control systems such as Git
• Exposure to technologies such as Kafka, Redis, Elasticsearch, Redshift, Nginx, and GraphQL is a plus
• Strong foundation in computer science, including data structures, algorithms, object-oriented programming, and software design principles
• Familiarity with CI/CD pipelines and tools such as Jenkins.
• Good understanding of cloud platforms such as AWS, Azure, or GCP
• Strong understanding of software design principles, scalable application architecture, and data structures
• Experience with containerization technologies such as Docker.
• Knowledge of automated testing frameworks and best practices.
• Experience working in Agile/Scrum environments
• Familiarity with frontend technologies, particularly React
• Strong problem-solving, analytical, communication, and collaboration skills

Why Join Us?

• Opportunity to work on a cutting-edge healthcare product
• A collaborative and learning-driven environment
• Exposure to AI and software engineering innovations
• Excellent work ethic and culture

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you!

Job Title: Senior Node.js Developer

Company: Transact Bridge

Location: Noida, Uttar Pradesh

Experience: 4–7 Years

Industry: FinTech / Payments / Cross-Border Commerce (LinkedIn)

About the Company:

Transact Bridge is a fast-growing fintech company enabling global businesses to expand into India through its Merchant of Record (MoR) infrastructure. The company specialises in payment processing, compliance management, subscription billing, taxation, and cross-border payment solutions for global SaaS, digital product, and e-commerce businesses. (LinkedIn).

Role Overview:

We are looking for a highly skilled Senior Node.js Developer to join our engineering team. The ideal candidate will have strong experience building scalable backend systems, APIs, and microservices in high-growth product environments. Experience in fintech, payment gateways, subscription platforms, or transaction-heavy applications will be a strong advantage.

Key Responsibilities:

• Design, develop, and maintain scalable backend applications using Node.js and TypeScript.
• Build and optimize RESTful APIs and microservices architecture.
• Integrate payment gateways, third-party APIs, and external services.
• Develop secure, high-performance, and fault-tolerant systems.
• Collaborate with product, frontend, and DevOps teams to deliver new features.
• Optimize database performance and ensure data integrity.
• Write clean, reusable, and maintainable code following best practices.
• Participate in code reviews, architecture discussions, and technical planning.
• Troubleshoot production issues and implement long-term solutions.
• Ensure application security, scalability, and compliance standards.

Required Skills:

• 4–7 years of experience in backend development.
• Strong expertise in Node.js, Express.js, and TypeScript.
• Experience building REST APIs and microservices.
• Strong understanding of asynchronous programming and event-driven architecture.
• Hands-on experience with MongoDB or similar databases.
• Experience with Redis, caching strategies, and queue management systems.
• Familiarity with AWS, Lambda, Docker, and cloud-native applications.
• Knowledge of Git, Github workflow pipelines, and software development best practices.
• Strong problem-solving and debugging skills.

Good to Have:

• Experience in FinTech, Payments, Banking, SaaS, or Subscription-based products.
• Exposure to payment gateways, UPI, recurring payments, and transaction processing.
• Experience with GraphQL, Kafka, RabbitMQ, or similar technologies.
• Knowledge of system design and distributed architectures. (Get Me Referred)

What We Offer:

• Opportunity to work on a global fintech product.
• Exposure to cross-border payment infrastructure and high-scale systems.
• Fast-paced startup environment with ownership and growth opportunities.
• Collaborative engineering culture and direct impact on product development.
• Competitive compensation and performance-driven growth.

Job Title: Senior Java Developer

Location: Mumbai (On-site)

Notice Period: Immediate Joiners Preferred / 15 Days or Less

Job Description:

We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.

Key Responsibilities:

• Lead end-to-end design, development, and deployment of Java applications
• Translate functional and technical requirements into detailed design
• Build scalable, secure, and high-performing applications
• Develop and consume RESTful APIs and ensure seamless integration
• Implement microservices architecture and containerized deployments
• Write clean, efficient, and well-documented code
• Perform code reviews, debugging, and performance tuning
• Collaborate with DevOps for CI/CD and production deployments
• Guide junior developers and conduct knowledge-sharing sessions
• Stay updated on new technologies and industry trends

Required Technical Skills:

• Languages & Frameworks:
• Core Java, J2EE
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Hibernate / JPA
• Apache Maven / Gradle
• API Development & Integration:
• RESTful APIs, JSON, Swagger/OpenAPI
• Databases:
• MySQL, PostgreSQL, Oracle
• MongoDB, Redis (preferred)
• Frontend Exposure (Optional but Preferred):
• HTML, CSS, JavaScript, jQuery
• Angular / React
• Tools & Platforms:
• Git, GitHub / GitLab / Bitbucket
• Jenkins, Docker, Kubernetes (basic knowledge)
• SonarQube, Log4j, ELK stack (preferred)
• Cloud & DevOps (Good to Have):
• AWS (EC2, S3, Lambda, RDS), Azure or GCP
• CI/CD pipeline setup
• Architecture & Patterns:
• Microservices, MVC, Design Patterns
• Event-driven architecture (Kafka/RabbitMQ is a plus)
• Testing:
• JUnit, Mockito
• Postman, REST Assured

Soft Skills:

• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to lead and mentor a team
• Time management and task prioritization
• Adaptable and quick learner

Qualifications:

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 5+ years of relevant software development experience
• Relevant certifications (Oracle Java, AWS, PMP) are a plus

Eligibility Criteria:

• Must be currently residing in Mumbai
• Must be able to join within 15 days or less
• Immediate joiners preferred

Quoality- A Modern Operating Infrastructure for Hospitality Businesses to help them improve the guest experience and generate additional revenue.

Launched in 2021, Quoality is a Hospitality Tech company backed by a US-based Newchip Accelerator. Our mission is to equip businesses with the tools they need to grow. 

By providing tools, insights, and education with minimal effort on the business's part, the barrier to making actionable business decisions is lowered dramatically. Everything we do is driven by this mission. Everything we do needs to positively answer the question, "Does this help businesses grow?"

Product Demo: https://www.youtube.com/watch?v=gKklkRYKkC4&;t" target="_blank">https://www.youtube.com/watch?v=gKklkRYKkC4

Quoality Blogosphere: https://medium.com/quoality" target="_blank">https://medium.com/quoality

Oh, this is our favorite part. We’ve seen companies that write 'templatized' BS for this section; stuff that’s never followed in reality.

Not us. Here are some of our core values to give you a sense of who we are as a team:

• First and foremost, we’re super transparent. We all know what everyone’s working on, how’s the company doing, and the whole shebang.
• We’re all super chill. 
• Work time ain’t playtime. We take our work very seriously. We’re a small bunch on a mission to change the guest experience in the hospitality industry, once and for all.
• Deadlines are a thing for us. We are super punctual.
• We know what we are working on and aren’t clueless.
• We’re more friends than colleagues.
• Monthly 1:1s with the founders where you can directly share & receive feedback.

Not convinced yet? Okay, here’s the fun stuff:

• Flexible leave policy. Yeah, it’s truly flexible. We trust you.
• We have a flexible remote work policy in India.  Work from the beautiful beaches of Goa or the stunning mountains of Manali, we’re all good.
• Annual workstations at exotic destinations. Subject to change and hitting milestones.
• Allowances to choose your coworking space (if you want), courses & any tool that you think is beneficial to succeed in this role.
•  

• Write code that will impact the businesses of thousands of hotels, hostels, and vacation homes across the globe.
• Collaborate with Frontend to spec, write, test, and deploy API endpoints.
• Implementation of a robust set of services and APIs that work on our data pipelines.
• Build all support infrastructure to scale our data delivery pipelines - endpoints, security, logging, messaging.
• Product development activity includes data querying from our various stores, real-time analytics, ML algorithms.
• Developing & Integrating of the front-end and back-end aspects of the web application
• Optimization of the application for maximum speed and scalability.
• Brainstorm features with the product team and guides decisions based on your knowledge of the codebase.
• Take full ownership of the module starting from architectural and design decisions to shipping.
• Like the work you do, enjoy collaborating with your coworkers, communicate as much as you can, and have fun. 
  
  

• 1+ years of relevant work experience.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• You possess strong computer science fundamentals: data structures, algorithms, distributed systems, and information retrieval.
• You have a good understanding of multi-process architecture and the threading limitations of NodeJs and Express frameworks.
• Understanding of fundamental design principles behind a scalable application.
• Good understanding of server-side templating languages.
• You have good knowledge of relational databases as well as key-value databases and are capable of designing scalable database models based on the product requirements.
• Familiarity with REST API development standards, protocols (HTTP, WebSockets and more), and GraphQL.
• You’re comfortable picking up new stacks and choosing the right tool to get the job done.
• You are open to learning new stuff and avoid internal politics. (super important).
• You are humble, kind, and are open to feedback.(super duper important).

• Entrepreneurial spirit, Product Thinker, and ‘Can-Do' attitude.
• Passionate about leveraging technology for supporting product delivery in the Hospitality space.
• Operating style suited to working in a startup environment, where teamwork and resourcefulness are highly valued.
• Excellent leadership skills, including the ability to manage multiple assignments at a time.

Yes, we do have a process, and it’s simple.

• Step 1: You apply for the job.
• Step 2: Quick intro call with the founders.
• Step 3: Solve an assignment.
• Step 4: A round where we evaluate your assignment along with you.
• Step 5: One round of interviews to gauge if you are a good culture fit.
• Step 6: Job Offer (contingent on the above steps).
• Step 7: Welcome to the Quoality! 🙂

Responsibilities:

• Setup and integrate various APIs
• Dealing with scripts written in different languages (PHP, Node.js, Python, PhantomJS, Ruby)
• Must be an R & D specialist
• Keep up-to-date with advanced concepts
• Adaptable to learn new technologies
• Knowledge on Linux and its commands
• Fast in debugging the code
• Should be a quick learner
• Good at communication

Requirements

• Minimum 3 Years of experience in PHP7
• 1 Year experience in Node.js/Python
• Good work experience in PHP7 
• Strong knowledge in OOPS.
• Proven knowledge on REST and SOAP API integrations 
• Experience in composer installations
• Strong in Javascript and Node.js concepts.
• Good knowledge of MongoDB and MySql
• Knowledge of versioning tools (SVN/GIT)
• Having knowledge on Amazon AWS and Google Cloud Platform is an added advantage
• Having knowledge of elastic search is an added advantage
• Good to have knowledge on p threads

Senior / Python Developer

We are looking for a Senior / Python Developers to join our engineering team and help us develop and maintain various software products. Your responsibilities include understanding the product very well, and lead the integration of this product into architecture.

To be successful in this role, you should have strong technical knowledge and solid experience of all steps of the software engineering process and the tools associated with those. You should be a go-getter, a clear communicator and a strong collaborator who works well in a team as well as the customer. You should want to do high quality work and produce output that you are proud of.  

• Good understanding of Python especially should have used file/directory access, data persistence, compression and archiving, cryptographic services, concurrent operations, networking and IPC, developmental tools etc.
• Good understanding of key differences in Python 2 vs 3
• Knowledge of lib2to3, six, python-future libraries. Compatibility idioms provided by these libs and their limitations, issues in using them as is.
• Knowledge of Python3 changes in data types especially str, bytes in Py3 vs str, unicode in Py2. Should be able to gauge, understand impact of this on data in transit/data at rest in a large project.
• Knowledge of using C extensions in Python code, modifying to run with Python3, Python 2-3 compatibility.
• Experience working with large python codebase.
• Working knowledge of mysql, Python ORM like sqlobject.
• Working knowledge of Common third party modules like cherrypy, falcon, gunicorn, etc.
• Good experience with basic python, no django/flask needed 
• Some code needs to run in Python 2, some in Python 3 and some in compatibility mode
• Issues for Druva are in ORM, marshalling, networking
• Need candidates having Understanding of basic data types, extensions of python 
• Data type conversion and networking is important 
• Internals of Python are important