Sr. Software Engineer/Tech Lead (Java IOT 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.

We're seeking an experienced Senior Backend Engineer to join our team. As a senior backend engineer, you will be responsible for designing, developing, and deploying scalable backends for the products we build at NonStop. This includes APIs, databases, and server-side logic.

Responsibilities:

● Design, develop, and deploy backend systems, including APIs, databases, and server-side logic

● Write clean, efficient, and well-documented code that adheres to industry standards and best practices

● Code Quality: Ensure code quality through code reviews, adherence to best practices, and continuous improvement

● Mentorship: Guide and mentor team members, fostering growth and innovation

● Collaboration: Work closely with stakeholders to align technical goals with business objectives

● Problem-Solving: Analyze and resolve technical challenges promptly ● Innovation: Stay updated with the latest technology trends and integrate them into solutions

Requirements:

● At least 7+ years of experience building scalable and reliable backend systems

● Strong expertise in NodeJS/NestJS, Express, PostgreSQL

● Experience with microservices architecture and distributed systems

● Proficiency in database design (SQL and NoSQL)

● Knowledge of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines

● Deep understanding of design patterns, data structures, and algorithms

● Hands-on experience with containerization technologies like Docker and orchestration tools like Kubernetes

● Exceptional communication and leadership skills

● Strong understanding of object-oriented programming principles and design patterns

● Familiarity with automated testing frameworks and methodologies

● Excellent problem-solving skills and attention to detail

● Strong communication skills and ability to effectively lead and maintain a collaborative team environment

ROLE SUMMARY

The Senior Python Developer designs, builds, and improves Python and Django applications. The role includes developing end‑to‑end integrations using REST and SOAP services and delivering reliable, scalable solutions through hands‑on coding and data transformation work. The developer works closely with Business Analysts, architects, and other teams to ensure technical solutions support business needs. Key responsibilities also include improving SQL performance, taking part in code reviews, supporting DevOps workflows with Git and Azure DevOps, and helping integrate GenAI features—such as GPT models, embeddings, and agent‑based tools—into enterprise applications.

ROLE RESPONSIBILITIES

• Design and develop Python and Django applications that are scalable, secure, and maintainable.
• Implement UI components using CSS, Bootstrap, jQuery, or similar technologies as needed.
• Develop integrations with internal and external systems using REST, SOAP, and WSDL‑based services.
• Create and optimize SQL queries, database structures, and data access logic to support application features.
• Work with Business Analysts and stakeholders to translate functional requirements into technical specifications and solutions.
• Implement accurate data mappings and transformations in accordance with business and technical requirements.
• Contribute to code reviews, follow established coding standards, and ensure high‑quality deliverables.
• Support the implementation and maintenance of DevOps pipelines using Git and Azure DevOps.
• Contribute to the integration of GenAI capabilities—including GPT models, embeddings, and agent‑based components—into enterprise applications.
• Troubleshoot issues across the application stack and collaborate closely with peers to resolve technical challenges.

TECHNICAL QUALIFICATIONS

• 7+ years of hands‑on experience with Python and Django, including complex application development.
• 5+ years of experience with SQL development, optimization, and database design.
• At least 1-2 years of applied experience with GenAI technologies (GPT models, embeddings, agents, etc.).
• Deep expertise in application architecture, system integration, and service‑oriented design.
• Strong experience with DevOps tools and practices, including Git, Azure DevOps, CI/CD pipelines, and automated deployments.
• Advanced understanding of REST, SOAP, WSDL, and large‑scale service integrations.

GENERAL QUALIFICATIONS

• Exceptional verbal and written communication skills.
• Strong analytical, problem‑solving, and architectural reasoning abilities.
• Demonstrated leadership experience with the ability to guide and mentor technical teams.
• Proven ability to work effectively in fast‑paced, collaborative environments.

EDUCATION REQUIREMENTS

• Bachelor’s degree in Computer Science, MIS, or a related field.
• Advanced certifications in Python, cloud technologies, or GenAI are preferred but not required.

🚨 Hiring Alert 🚨

We are Hiring Java Backend Intern for 2 months !

Skills Required:

1. Good understanding of Java 17, Spring and any Sql database

2. Good Understanding on designing low level code from scratch

3. Experience in building database schema and code architecture

4. Familiar with design patterns and willingness to write clean, readable, and well-documented code.

5. Familiarity with tools like postman, STS or intelij

6. Understanding of REST APIs and their role in application development.

7. Good DSA and problem solving skills

Roles & Responsibilities:

1. Assist in developing and maintaining web applications.

2. Learn to utilize open source tools for integration

3. Collaborate with team members to design and implement new features.

4. Contribute to optimizing application performance and resolving bugs.

5. Stay curious and keep learning new technologies relevant to spring boot and spring reactive

6. Exposure to version control systems like Git.

7. Passion for learning and contributing to real-world projects.

Preferred Qualifications:

1. Min exp of 0-2 years.

2. Skills in computer science/IT and relevant.

What You’ll Gain:

1. Stipend - 8k -10k/ month, subjective to your performance

2. Hands-on experience in building production-grade applications.

Experience in developing applications using .Net Core Ver. 6/7, ASP.Net MVC (C#), .Net Core Web API & Web App, Web Services, OOPS, SOLID principles.

Experience in software development and system architecture with Microsoft technologies.

Able to integrate the database objects with the Microservices.

Expert working knowledge of Multi-threading.

Solid experience in converting .NET Framework multi-threaded services into .NET Core.

Worked as part of a cross-functional team on code reviews, internal infrastructure, and process enhancement.

Understanding of CI/CD pipeline is mandatory.

Strong hands-on experience with C# and solid principles.

Expertise in entity framework core with code first approach.

Expertise in writing RESTful services.

Knowledge of RDBMS concepts.

• Developing Simple to Complex Functionality for Websites and Applications
• Write reusable code preferably using classes and libraries.
• Programming databases specially MySQL.
• Establishing projects from scratch or working on accessible projects
• Developing front-end and back-end applications.
• Take on multiple projects varying in size and complexity.
• Manage projects on AWS and other servers.

• Bachelor degree in Computer Science, Software Engineering or related discipline.
• 1 to 3 years of experience developing eCommerce web applications.
• Should be technically sound in OOPs Concepts.
• Programming databases specially MySQL/PostgreSQL.
• Knowledge of server side technologies like PHP 7/8, NodeJS, NUXT.
• Knowledge of client side technologies like Javascript, JQuery, VueJS.
• Experience in MVC Framework, especially laravel.
• Basic knowledge of HTML5, CSS, XML, JSON.
• Good command on PostgreSQL database and its optimization techniques.
• Exposure to database transactions, stored procedures and triggers.
• Experience working with third-party APIs and developing web services using REST/GRPC.
• Experience with SCM tools like svn/git.
• Ability to adapt and pick up new techniques and technology.
• Knowledge of web security and vulnerabilities.
• Ability to prioritize the work and multi-tasking.
• Excellent communication skills & self-motivated

5 years of architecture, design and programming experience preferably in fast-paced dynamic environment

Strong application design and implementation skills, solid understanding of the entire development cycle.

Strong background in Java/J2EE based application

Strong background in Spring/Spring boot based application

Strong background in Microservices based application

Experience working with Apache and/or Tomcat

Experience in transforming requirements to software design

Strong Experience with developing Java SAAS web applications.

Working experience in Industry Standard protocols related API Security including OAuth

Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.

Strong background working with Linux/UNIX environments.

Strong Shell scripting experience.

Working knowledge with Oracle, DB2 or MongoDB databases.

 Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.  Strong agile/scrum development experience

 Strong collaboration and communication skills within distributed project teams

 Excellent written and verbal communication skills

• Have at least 3 years work experience in Java 8 or higher / J2EE Java development.

• Have experience of agile systems development methodologies such as SCRUM
• Experience in designing the solution and implementation.
• Is a communicative, positive, outgoing and driven team player.
• Solution-oriented, see opportunities and proactively proposing new solutions, speak and write fluently in English.
• Good to have certifications in Java, Spring etc.
• Experience in Java 8.

• Experience in Spring Boot and other spring framework like Spring data, AOP etc.
• Experience in MongoDB/ Kafka / RabbitMQ etc.
• Experience in REST API
• Have worked on microservices
• Should have worked on minimum 2- 3 projects
• Experience in writing effective Unit test case for better coverage.
• Experience in writing good quality code by following code quality tools likes SonarQube etc.

Requirements :

- 3+ years of professional software development experience

- 2+ years of object-oriented Java/J2EE hands-on development

- Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring

- REST web services

- Anyone of the messaging solutions like Kafka, RabbitMQ

Desirables :

- SQL, No SQL concepts

- Experience of Redis or/and Mongo DB

- Agile methodology

- Experience leading or working with cross geography teams

- Unix, shell scripting & Build Systems

Bonus :

- Microservice design and development experience

- Android application development experience

- Experience in performance optimization is an added advantage

- Full SDLC experience (requirements gathering, architecture, development, QA, etc.)

Responsibilities :

- You will be working with the Supply Chain Management team building a leading eCommerce platform for Asian markets

- Order Promising system, promising the order delivery promise date to customer by applying the constraints on current resource availability across different steps in the supply chain. This system needs to scale for thousands of requests per minute with few million seconds of response time

- Warehouse and Inventory Management system, this system needs to scale to processing huge number of orders across different warehouse.

- Transportation and Logistics Management, involves planning and delivery of huge number orders to end customer. This system has the workflows to manage first mile, line haul and last mile delivery to customer

- Inventory Planning, helps in tracking different selling behaviours of the items and triggers / helps planners to replenish, promote, markdown or place inventory at right place to cut down the on hand inventory requirements

- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding review, coding, unit testing, end user feedback cycle changes and manging and scaling the system in production.

- Primary role in leading software development teams

- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, microservices and SQL.

- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture

- Work with a team of amazing developers and designers involved in the design and development of global platforms

- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud-based or hosted product platforms

- Drive the implementation of new technologies that improve our ability to build great customers products.

- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.

Qualification : 

• 3-5 Years of experience in Backend Development.
• Must have experience in Python (FLASK framework).
• Have Deep understanding of how RESTful APIs work.
• Familiar with various design and architectural patterns that can work at scale.
• Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
• Strong experience with at-Cloud technology, preferably AWS or GCP or Azure.
• Core experience in developing complex backend systems.
• Communicating complex technical concepts to both technical and non-technical audiences.
• Passionate about application scalability, availability, reliability, and security.