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

About Zscaler
About
Connect with the team
Similar jobs
Job Requirements for Java Developer Roles
* Strong hands-on expertise in Java programming.
* In-depth understanding of Java garbage collection mechanisms and their impact on application performance.
* Ability to write clean, efficient, and maintainable code.
* Familiarity with best practices for performance optimization.
* Strong problem-solving skills and attention to detail.
Please note that you will have to attach the following documents after Round 1 that will be needed for the client submission:
- LWD confirmation
- PF service history
Mode of work: Hybrid weekly 3 Times.
While you may already know about Wissen and the company history, here is a quick rundown for you.
About Wissen Technology:
• The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.
• Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.
• Our workforce consists of 550+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
• Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices US, India, UK, Australia, Mexico, and Canada.
• We offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
- Experience in Python
- Experience in any Framework like Django, and Flask.
- Primary and Secondary skills - Python, OOPs and Data Structure
- Good understanding of Rest Api
- Familiarity with event-driven programming in Python
- Good analytical and troubleshooting skills
🚀 We’re Hiring: Software Development Engineer (Backend) | Onsite in Pune
We’re currently hiring for our client – a high-growth fintech company backed by top global investors with $14M+ raised.
Our client is on a mission to simplify the CFO stack for fast-growing businesses. From smart corporate cards to automated vendor payments and streamlined procurement, they empower companies across industries to transform financial chaos into clarity.
Now, they are looking for a passionate Backend Engineer to join their Engineering team in Pune (onsite).
🔹 What You’ll Do
- Design, build, and maintain scalable backend systems using Kotlin, Micronaut & Spring Cloud
- Collaborate with engineers to ensure reliability, security & performance
- Write clean, test-driven code with unit tests & TDD
- Contribute to new features, integrations & backend architecture
- Work on microservices, event-driven systems, and clean architectures
🔹 What We’re Looking For
- 3+ years of experience in backend development with Kotlin, Micronaut, Spring Cloud (or similar)
- Strong grasp of unit testing & TDD
- Exposure to DDD, CQRS, Clean/Hexagonal Architecture, Microservices, Multi-tenancy, Event Sourcing is a big plus
- Problem-solving mindset with strong analytical skills
- Excellent team player with clear communication
🔹 Bonus Points
- Experience in fintech or B2B spend management
- Familiarity with Azure, Docker, Kubernetes
📍 Location: Pune, Maharashtra (Onsite)
If you’re excited about solving complex engineering challenges in fintech and want to build products that make an impact, we’d love to connect!
About us
Blitz is into Instant Logistics in Southeast Asia. Blitz was founded in the year 2021. It is in the business of delivering orders using EV bikes. Blitz not only delivers instant orders through EV Bikes, but it also finances the EV bikes to the drivers on lease and generates another source of revenue from the leasing as well apart from delivery charges. Blitz is revolutionizing instant coordination with the help of advanced technology-based solutions. It is a product-driven company and uses modern technologies to build products that solve problems in EV-based Logistics. Blitz is utilizing data sources coming from the EV bikes through IOT and smart engines to make technology-driven decisions to create a delightful experience for consumers
We are looking for a talented Backend Engineer with a strong proficiency in Go/Golang development to join our team. As a Backend Engineer, you will play a crucial role in designing, implementing, and maintaining scalable backend systems that power our
Applications. You will collaborate closely with cross-functional teams to deliver robust and efficient solutions that meet our business requirements
Responsibilities
- Design, develop, and maintain backend services and APIs using Go/Golang.
- Collaborate with product managers and front-end engineers to understand requirements and translate them into technical solutions.
- Architect scalable and high-performance systems to handle large volumes of traffic.
- Implement security best practices to ensure the confidentiality, integrity, and availability of our systems and data.
- Write clean, efficient, and maintainable code following coding standards and best practices.
- Optimise database queries and data access patterns for maximum performance.
- Implement automated tests to ensure the reliability and stability of the backend services
- Monitor and troubleshoot production systems to identify and resolve issues in time.
- Participate in code reviews to maintain code quality and provide constructive feedback to peers.
- Stay up-to-date with the latest backend technologies, frameworks, and industry trends.
Requirements
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Minimum of 3 years of professional experience in backend development.
- Proficiency in Go/Golang programming language for at least 2 years.
- Solid understanding of data structures, algorithms, and computer science fundamentals.
- Experience with building and deploying microservices architectures.
- Strong knowledge of database systems, including SQL and NoSQL databases.
- Familiarity with cloud computing platforms such as AWS, GCP, or Azure.
- Experience with containerization technologies such as Docker and container orchestration tools like Kubernetes
- Understanding of RESTful APIs and web services.
- Excellent problem-solving and analytical skills.
- Ability to work effectively both independently and as part of a team.
- Strong communication skills and ability to collaborate effectively with cross-functional teams.
Preferred Qualifications
- Experience with distributed systems and messaging queues (e.g., Kafka, RabbitMQ).
- Knowledge of GraphQL and GraphQL query language.
Company's website - https://rideblitz.com/
Job Title: Python Developer
Job Location: Pune ( Baner)
Experience: 4 to 8 years
Notice Period: 1 Month or Less
Skills: Python (Django, Flask), MySQL, Strong focus on OOPS and Architecture, Bitbucket/GitHub, NoSQL
Technical Requirements:
- Experience in developing web applications and APIs(REST, XML, other open sources)
- Strong programming foundation in Python, MYSQL & OOPS Experience in Django/Flask
- Experience & Good understanding of HTML5, CSS3, Bootstrap, Ajax, JS etc while experience on Angular, Node JS will be an added advantage.
- Solid exposure of API integrationsand familiar with various design & architectural patterns.
- In depth knowledge of Source Code Repository and experience working with Bit-bucket.
- Experience working on Apache HTTP or any other web/app server.
- Hands on experience in DB design, Architecture, coding, unit testing and debugging.
- Experience working in an Agile development environment.
- Sound in data structure analysis and algorithm design.
- Ensure cross-platform compatibility of information retrieved from web services on Android and iOS platforms, in terms of Push Notifications, platform-specific issues, etc
- Good knowledge of relational databases, version control tools and of developing web services.
- Strong understanding of the software development life cycle and best practices
Roles and Responsibilities:
- Should be a problem solver with an attitude to contribute towards the success of Team/Project as well as organization.
- Should be able to guide other members in the team
- Should take initiatives to improve code quality standards and team efficiency.
- Should be able to Participate in the requirements gathering and come up efficient solutions
- Should be able to Efficiently estimate on high and low level along with assessing risk items

This leads to a very interesting and challenging use case in the emerging field of large scale distributed HTAP, which is still not mature enough to provide a solution out of the box that works for our scale and SLAs. So, we are building a solution that can handle the complexity of our use case and scale to several trillions of rows. As a "Database Engineer", you will evolve, architect, build and scale the core data warehouse that sits at the heart of Clarisights enabling large scale distributed, interactive analytics on near realtime data.
What you'll do
- Understanding and gaining expertise in existing data warehouse.
- Use the above knowledge to identify gaps in the current system and formulate strategies around what can be done to fill them
- Avail KPIs around the data warehouse.
- Find solutions to evolve and scale the data warehouse. This will involve a lot of technical research, benchmarking and testing of existing and candidate replacement systems.
- Bulid from scratch all or parts of the data warehouse to improve the KPIs.
- Ensure the SLAs and SLOs of data warehouse, which will require assuming ownership and being oncall for the same.
- Gain deep understanding into Linux and understand concepts that drive performance characteristics like IO scheduling, paging, processing scheduling, CPU instruction pipelining etc.
- Adopt/build tooling and tune the systems to extract maximum performance out of the underlying hardware.
- Build wrappers/microservices for improving visibility, control, adoption and ease of use for the data warehouse.
- Build tooling and automation for monitoring, debugging and deployment of the warehouse.
- Contribute to open source database technologies that are used at or are potential candidates for use.
What you bring
We are looking for engineers with a strong passion for solving challenging engineering problems and a burning desire to learn and grow in a fast growing startup. This is not an easy gig, it will require strong technical chops and an insatiable curiosity to make things better. We need passionate and mature engineers who can do wonders with some mentoring and don't need to be managed.
- Distributed systems: You have a good understanding of general patterns of scaling and fault-tolerance in large scale distributed systems.
- Databases: You have a good understanding of database concepts like query optimization, indexing, transactions, sharding, replication etc.
- Data pipelines: You have a working knowledge of distributed data processing systems.
- Engineer at heart: You thrive on writing great code and have a strong appreciation for modular, testable and maintainable code, and make sure to document it. You have the ability to take new initiatives and questioning status quo.
- Passion & Drive to learn and excel: You believe in our vision. You drive the product for the better, always looking to improve things, and soon become the go-to person to talk to on something that you mastered along. You love dabbling in your own side-projects and learning new skills that are not necessarily part of your normal day job.
- Inquisitiveness: You are curious to know how different modules on our platform work. You are not afraid to venture into unknown territories of code. You ask questions.
- Ownership: You are your own manager. You have the ability to implement engineering tasks on your own without a need for micro-management and take responsibility for any task that has been assigned to you.
- Teamwork: You should be helpful and work well with teams. You’re probably someone who enjoys sharing knowledge with team-mates, asking for help when they need it.
- Open Source Contribution: Bonus.








