Description:
For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems. We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
- Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
- End to end responsibility to continuously create and monitor the services you build
- Help design reusable and clean API's for our frontend React app
- Guide team members with handling complex issues
- You will also be responsible for database schema design and development of migration scripts
- Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
- 10+ years professional SW development experience
- All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
- Must have good experience with Python
- Solid experience with databases is a must. We use and love Postgres here at Smokescreen
- You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
- Deep understanding and working knowledge of Redis cache
- Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
- Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
- Experience with Docker/Swarm is a plus
- Experience in some stream processing platforms like Kafka/Redis stream is a plus

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Job Title : Python Django Developer
Experience : 6+ Years
Location : Gurgaon (Work from Office)
Job Type : Full-time
Working Days: Monday to Friday (5 Days)
Timings: 9:30 AM – 6:30 PM
Job Summary :
We are seeking a highly skilled and experienced Python Django Developer to join our dynamic team in Gurgaon.
The ideal candidate will have a strong background in backend development, Django frameworks, and RESTful API integration.
You will be responsible for building and maintaining scalable web applications and collaborating with cross-functional teams.
Key Responsibilities :
- Develop, test, and maintain robust, scalable, high-performance web applications using Django and Python.
- Design and implement RESTful APIs and integrate third-party APIs and services.
- Write reusable, testable, and efficient code following best practices and coding standards.
- Work with frontend developers to integrate user-facing elements using server-side logic.
- Optimize applications for maximum speed and scalability.
- Perform code reviews, troubleshoot issues, and ensure application performance and security.
- Collaborate with product managers, designers, and other developers to deliver high-quality products.
Required Skills & Qualifications :
- 6+ Years of hands-on experience with Python and Django framework.
- Strong experience with RESTful APIs, Django ORM, and PostgreSQL/MySQL.
- Proficiency in version control systems like Git.
- Familiarity with frontend technologies such as HTML, CSS, JavaScript, and AJAX.
- Experience with Docker, Celery, Redis, and cloud platforms (AWS/Azure) is a plus.
- Solid understanding of software development principles and design patterns.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration abilities.
Good to Have :
- Experience with Django REST Framework (DRF).
- Knowledge of unit testing and CI/CD pipelines.
- Exposure to Agile development methodologies.
- Familiarity with containerization and deployment tools (Docker, Kubernetes).
Required Skills for the Java role :
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).
Role Overview:
We are seeking a highly skilled and experienced Lead Web App Developer - Backend to join our dynamic team in Bengaluru. The ideal candidate will have a strong background in backend development, microservices architecture, and cloud technologies, with a proven ability to deliver robust, scalable solutions. This role involves designing, implementing, and maintaining complex distributed systems, primarily in the Mortgage Finance domain.
Key Responsibilities:
- Cloud-Based Web Applications Development:
- Lead backend development efforts for cloud-based web applications.
- Work on diverse projects within the Mortgage Finance domain.
- Microservices Design & Development:
- Design and implement microservices-based architectures.
- Ensure scalability, availability, and reliability of distributed systems.
- Programming & API Development:
- Write efficient, reusable, and maintainable code in Python, Node.js, and Java.
- Develop and optimize RESTful APIs.
- Infrastructure Management:
- Leverage AWS platform infrastructure to build secure and scalable solutions.
- Utilize tools like Docker for containerization and deployment.
- Database Management:
- Work with RDBMS (MySQL) and NoSQL databases to design efficient schemas and optimize queries.
- Team Collaboration:
- Collaborate with cross-functional teams to ensure seamless integration and delivery of projects.
- Mentor junior developers and contribute to the overall skill development of the team.
Core Requirements:
- Experience: Minimum 10+ years in backend development, with at least 3+ years of experience in designing and delivering large-scale products on microservices architecture.
- Technical Skills:
- Programming Languages: Python, Node.js, Java.
- Frameworks & Tools: AWS (Lambda, RDS, etc.), Docker.
- Database Expertise: Proficiency in RDBMS (MySQL) and NoSQL databases.
- API Development: Hands-on experience in developing REST APIs.
- System Design: Strong understanding of distributed systems, scalability, and availability.
Additional Skills (Preferred):
- Experience with modern frontend frameworks like React.js or AngularJS.
- Strong design and architecture capabilities.
What We Offer:
- Opportunity to work on cutting-edge technologies in a collaborative environment.
- Competitive salary and benefits package.
- Flexible hybrid working model.
- Chance to contribute to impactful projects in the Mortgage Finance domain.
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, data structure and SQL skills .
Required Skills:
- Experience - 5 to 10 years.
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS, preferably Sybase database.
- Good knowledge of multi-threading and high-volume server-side development.
- Experience in sales and trading platforms in investment banking/capital markets.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills in Java.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Core Experience:
•Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.
• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.
• Exposure to Linux environment.
• Exposure to Docker and Kubernetes.
• Basic Knowledge of Cloud Services of AWS, Azure, GCP cloud provider.
• Proficient in general programming, logic, problem solving, data structures & algorithms
• Good analytical, grasping and problem-solving skills.
Secondary Skills:
• Agile / Scrum Development Experience preferred.
• Comfortable working with a microservices architecture and familiarly with NoSql solutions.
• Experience in Test Driven Development.
• Excellent written and verbal communication skills.
• Hands-on skills in configuration of popular build tools, like Maven and Gradle
• Good knowledge of testing frameworks such as JUnit.
• Good knowledge of coding standards, source code organization and packaging/deploying.
• Good knowledge of current and emerging technologies and trends.
Job Responsibilities:
• Design, Development and Delivery of Java based enterprise-grade applications.
• Ensure best practices, quality and consistency within various design and development phases.
• Develop, test, implement and maintain application software working with established processes.
Work with QA and help them for test automation
• Work with Technical Writer and help them documenting the features you have developing.
Education and Experience:
• Bachelor’s / master’s degree in computer science or information technology or related field
- 2+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● 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
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performanc
- No day is the same - you will create technical designs that support varying client requirements
- You'll design and develop full-stack web applications using the latest web technologies, primarily Python and Django
- Write code/unit tests and be part of the test-driven development environment
- Leverage your skills in industry-standard tools to deliver weekly code releases
- You'll work in a no silos environment, frequently collaborating with global teams and roles across the organization
Who you are:
- 7+ years of experience developing great web applications
- You can build products from scratch
- You have expertise in the Django backend framework
- You are fluent in the Python language
- You have dabbled in any one of these front-end frameworks - Angular, React, Vue
- You understand when to use NoSQL vs. relational database
- you understand reporting/dashboards framework
- You are comfortable working up and down the stack
- You are able to convert ideas into designs and build them out
- Benefit if you have worked with payment gateways such as visa, Mastercard, etc.
owners, business analysts and team members to analyse business requirements and proposed
solutions. A highly motivated and enthusiastic to join our Core Technology team and make a
difference.
Must-Have Skills:
• Candidate should have basic experience in Core Java and Advance Java design patterns
• Candidate should have basic experience in Advance Java frameworks – Spring, Hibernate,
JSP, Servlet.
• Good understanding of MAVEN & SVN is a must.
• Front end technologies knowledge is required to communicate with the web development
team. JavaScript, JQuery, AJAX, JSON.
• Collaborating with other teams. Excellent problem solving, debugging, design and debugging
skills required.
Good to Have Skills:
• Have good interpersonal and communication skills.
• E-commerce domain knowledge will be an add-on.
• Knowledge in API Design and docker.
• Knowledge of Agile methodologies
• Knowledge of Unit testing
Primary Responsibilities:
• Work closely with Tech Leads, Architects, Project Manager / Onsite Leads.
• Understand/apply reusable code design, leverage application architecture/framework
capabilities and functionality, and design/develop solutions that are highly reliable, scalable,
and perform to meet business-defined service levels.
• Contribute to the technical code and design documentation.
• Conduct code reviews and ensuring quality solutions are built and tested.
• Provide production support and issue triage for products.
You will:
- Build services that serve millions of users
- Build for performance, reliability, and scalability
- Design easy-to-use APIs, systems, and tools
- Work with small teams of engineers, product, design, operation and other teams
- Lead projects, achieve goals, celebrate success with your teams
What you bring:
- 5+ years as individual contributor
- Strong background in Computer Science
- Strong technical expertise in robust and scalable server platform
- Helpful experiences include Java, Python, AWS, GCP, DevOps
- Leadership at bijnis is a service - you must be influential, patient, compassionate, able to prioritize, and able to inspire
- Ability to collaborate across multiple and cross functional teams
- Strategic mindset combined with pragmatic execution, and bias for action











