Role: Core infrastructure for two global applications.
Key responsibilities:
Heavy Data Lifting: Designing and maintaining complex MongoDB aggregation pipelines and executing high-volume bulk updates.
Systems Connectivity: Managing the lifecycle of Bridges, WebSockets, and REST APIs for global traffic.
Global Reliability: Troubleshooting performance regressions, managing SSL/TLS certificates, and optimizing AWS S3/EC2 resources.
Core Logic: Implementing server-side push notifications, custom payment flows, and background Cron orchestration.
Requirements (Must Have)
Production Experience: Proven experience managing backend services for live, high-traffic applications. (Must have)
Note: Learning projects, bootcamps, and online courses will not be considered.
Python Mastery: Expert-level proficiency in backend Python development. (Must have)
MongoDB Expertise: Deep knowledge of Aggregations and Bulk operations. (Must have)
AWS Proficiency: Direct experience with S3 and EC2 in a production setting. (Must have)
Infrastructure Logic: Ability to manage SSL/Encryption and optimize resource allocation (Cron vs. API). (Must have)

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Job Description -
Role - Sr. Python Developer
Location -- Manyata Tech Park, Bangalore
Mode - Hybrid
Required Tech Skills:
- 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
. Sound knowledge of NoSQL databases like mongo.
. Experience with replication , sharding and scaling.
. Design, install, maintain highly available systems (includes monitoring, security, backup, and performance tuning)
. Implement secure database and server installations (privilege access methodology / role based access)
. Help application team in Cyper query writing, performance tuning & other D2D issues
• Deploy automation techniques for d2d operations
. Must possess good analytical and problem solving skills
. Must be willing to work flexible hours as needed
. Scripting experience a plus
. Ability to work independently and as a member of a team
. Strong verbal and written communication skills
• As a Python full-stack developer, your role would involve design development and deploy full-stack applications out of Artificial intelligence projects with a focus on low latency and scalability.
• You also need to optimize the application for better performance and a large number of concurrent users.
• A strong technologist we care about doing things the right way rather than just doing them and thrives in a complex and challenging environment.
Who are we looking for?
• Bachelors / Masters in Computer Science or equivalent with at least 3+ years of professional experience.
• Solid understanding of design patterns, data structures, and advanced programming techniques
• As an Engineer in our team, you will design, code, test, and debug quality software programs.
• Strong software design and architectural skills in object-oriented and functional programming styles.
• Python, Celery, RabbitMQ, Kafka, Multithreading, Async, Microservices, Docker, Kubernetes.
• Experience in working with Machine Learning Pipelines
• Experience in Reactjs.
• Experience in Celery, RabbitMQ/Kafka.
• Experience in Unit Testing Tools.
• Experience in working with SQL & NonSql databases such as MySQL, Mongo DB.
• Exposure to cloud technologies.
• Demonstrate the ability to work in a fast paced and hyper-growth environment where the requirements are constantly changing.
• Nice to have: Experience developing products containing machine learning use cases.
• Familiar with agile techniques like code reviews, pair programming, collective code ownership, clean code, TDD and refactoring.
What You'll Do :
You will be a part of our backend team working on keeping our REST API and GraphQL API up and running and making sure that our users get the right data at the right time.
You will have ownership of developing and maintaining our backend services including users, courses, and operations tools that manage our product and logistics.
You will work on architecting and scaling highly-available RESTful services and back-end systems from scratch.
This is a position for an experienced Node programmer with at least 2 years under the belt, but you don't have to be a rock star, a ninja, or a superhero to apply.
What You'll Need :
You will fit well in the backend team if you are passionate about technology and have experience programming in Node. Knowledge of technologies like Cassandra, Elasticsearch, PostgreSQL, REST and JSON will help you get going from day one.
As an experienced Node developer, you should be intimately familiar with the platform, with
JavaScript, and with the stables of full-stack web development : HTTP, JavaScript, CSS, HTML, SQL.
It's a bonus if you're broadly familiar with other languages as well- we write some services in Go and have data pipelines written in Python- but your main work will be JavaScript through and through.
You will be a perfect match with our team if you love collaborating with people from all disciplines to solve complex problems, always want to learn new skills and take ownership of your work.
be further responsible for designing and implementing product requirements that are highly usable, scalable, extensible, and maintainable.
The Treez enterprise-grade, business management platform serves the vertical cannabis market from producers to brands to retailers with our Point of Sale, Integrated Payments, Branding, Grow, and Data Insights
software solutions. Treez is helping businesses deliver personalized and efficient experiences to their customers. The Treez enterprise business management solution is delivered through a Software-as-a-Service
(SaaS) model on a modern, scalable cloud infrastructure.
To learn more, visit Treez at: https://treez.io/
Roles & Responsibilities:
We are looking to hire a senior backend engineer. This is a role with significant responsibility for ensuring the successful delivery of our core fintech product suite. You will be working with other
backend engineers and system design architects on the team to launch and successfully ship our new fintech suite of products.
This role involves working closely with internal and external stakeholders and creating processes around overall product success.
Your responsibilities will include:
● Reviewing and analyzing business requirements and providing technical feasibility and estimates.
● Practicing standard development processes leveraging agile methodologies such as SCRUM and
TDD.
● Maintain high standards of quality for code, documentation, and other deliverables.
● Ensure business needs with automated tests.
● Checking code from other developers and mentoring junior team members.
To achieve the above, here’s what you’ll need to do:
● At least 7+ years of experience in software development with a track record of shipping large,
cross-functional projects in high-performance and scalable environments.
● 4+ years of experience developing in Python and its associated technology stacks.
● Working knowledge of SQL databases and other NoSQL solutions.
● Proficient with algorithms and data structures, design patterns, service-oriented architecture, domain-driven design, multithreading, concurrency, caching, and distributed systems.
● Deep understanding of multi-process (define, design, and create) cloud architecture projects and the threading limitations of Python.
● Solid understanding of the complete software development life cycle, including the post-production deployment phase.
● Extensive experience in Agile/Scrum teams and CI/CD applications built with microservices and event-based architectures.
● Experience in adopting test-driven development.
You’re right for this role if you have:
● BE/B.Tech/BS in Computer Science, Engineering, or relevant field.
● Experience working with Typescript and React is a huge plus.
● Prior experience building a product from ideation to launch.
● Deep understanding of, and passion for, fintech for an underserved industry.
● Strong problem-solving and verbal and written communication skills.
● Experience in OOP/functional coding.
Perks:
● Opportunity to work & learn with an International team
● Health Insurance
● 5 days working
● ESOPs
● Performance Bonuses
● Competitive Salary package
● Wonderful work culture focusing on providing work-life balance
● In-house professional development
This is a fantastic opportunity for a talented and motivated individual to combine business understanding, and product management expertise. We believe that no other position in a Series C startup typically offers
this much flexibility and potential for growth. This role is based in Bangalore, India. The role involves coming into the office in Koramangala, Bangalore 3 times a week in the initial 2 quarters and can then transition to less in-office time, depending on the individual.
Treez is an equal-opportunity employer. We thrive on diversity and are committed to creating an inclusive
environment for all employees.
Responsibilities
- Produce clean, efficient code based on specifications
- Integrate software components and third-party programs
- Verify and deploy programs and systems
- Troubleshoot, debug and upgrade existing software
- Gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
Requirements and skills
- 1-3 Years of Proven experience as a Backend Developer
- Tech Stack:
- AWS- Lambda, ECS, RDS Arora, RDS PostgreSQL, DynamoDB, S3, SQS, APIG, Cloud Front
- NodeJS
- Typescript(optional)
- Familiarity with Agile development methodologies
- Experience with software design and development in a test-driven environment
- Ability to learn new languages and technologies
- Excellent communication skills
- Resourcefulness and troubleshooting aptitude
- Attention to detail
Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++ or C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.









