Sr. Python Developer

Preferred Skills:

• Experience with XML-based web services (SOAP, REST).
• Knowledge of database technologies (SQL, NoSQL) for XML data storage.
• Familiarity with version control systems (Git, SVN).
• Understanding of JSON and other data interchange formats.
• Certifications in XML technologies are a plus.

About the CryptoXpress Partner Program

Earn lifetime income just by liking posts, posting memes, art, simple threads, engaging on Twitter, Quora, Reddit, or Instagram, referral signups, commission from transactions like flight, hotel, trade, gift card etc., 

(Apply link at the bottom)

More Details:

• Student Partner Program - https://cryptoxpress.com/student-partner-program
• Ambassador Program - https://cryptoxpressambassadors.com

CryptoXpress has built two powerful tracks to help students gain experience, earn income, and launch real careers:

🌱 Growth Partner: Bring in new users, grow the network, and earn lifetime income from your referrals' transactions like trades, investments, flight/hotel/gift card purchases.

🎯 CX Ambassador: Complete creative tasks, support the brand, and get paid by liking posts, creating simple threads, memes, art, sharing your experience, and engaging on Twitter, Quora, Reddit, or Instagram.

Participants will be rewarded with payments, internship certificates, mentorship, certified Web3 learning and career opportunities. 

About the Role

CryptoXpress is looking for a skilled Backend Engineer to build the core logic powering our Partner Program reward engines, task pipelines, and content validation systems. Your work will directly impact how we scale fair, fast, and fraud-proof systems for global Student Partners and CX Ambassadors.

Key Responsibilities

• Design APIs to handle submission, review, and payout logic
• Develop XP, karma, and level-up algorithms with fraud resistance
• Create content verification checkpoints (e.g., metadata checks, submission throttles)
• Handle rate limits, caching, retries, and fallback for reward processing
• Collaborate with AI and frontend engineers for seamless data flow
• debug reward or submission logic
• fix issues in task flows or XP systems
• patch verification bugs or payout edge cases
• optimize performance and API stability

Skills & Qualifications

• Proficient in Node.js, Python (Flask/FastAPI), or Go
• Solid understanding of PostgreSQL, Firebase, or equivalent databases
• Strong grasp of authentication, role-based permissions, and API security
• Bonus: Experience with reward engines, affiliate logic, or task-based platforms
• Bonus: Familiarity with moderation tooling or content scoring

Join us and play a key role in driving the growth of CryptoXpress in the cryptocurrency space!

Pro Tip: Tips for Application Success

• Please fill out the application below
• Explore CryptoXpress before applying, take 2 minutes to download and try the app so you understand what we're building
• Show your enthusiasm for crypto, travel, and digital innovation
• Mention any self-learning initiatives or personal crypto experiments
• Be honest about what you don't know - we value growth mindsets

How to Apply:

Interested candidates must complete the application form at 

https://forms.gle/CCaAvS6yLE92XAzU6

Sal: Upto 30LPA+ESOPs

Location: Bangalore and Mumbai

Hybrid work mode

EXP: 3-6y

Roles & Responsibilities

Cashflo, true to its name, is on a mission to unlock $100+ billion of trapped working capital in

the economy by creating India’s largest marketplace for invoice discounting to solve the

day-to-day cashflow problems faced by businesses. Founded by ex-BCG and ISB / IIM

alumni, and backed by General Catalysts and Elevation Capital, Cashflo helps democratize

access to credit in a fair and transparent manner.

Awarded Supply Chain Finance solution of the year in 2019, Cashflo creates a win-win

ecosystem for Buyers, suppliers and financiers through its unique platform model. Cashflo

shares its parentage with HCS Ltd., a 25 year old, highly reputed financial services company

has raised over Rs. 15,000 Crores in the market till date, for over 200 corporate clients.

Our leadership team consists of ex-BCG, ISB / IIM alumni with a team of industry veterans

serving as the advisory board. We bring to the table deep insights in the SME lending space,

based on 100+ years of combined experience in Financial Services. We are a team of

passionate problem solvers and big thinkers and are looking for like-minded people to join

our team.

We are looking for someone who loves a challenge, is ambitious, super tenacious and

persistent. S/he is a self-starter, thrives in a dynamic, small start-up environment, has a

knack for understanding customer needs, and loves to get sh*t done! If you check these

boxes - we want to talk to you!

The opportunity:

-Solve a complex $300+ billion problem at the cutting edge of Fintech innovation, and make

a tangible difference to the small business landscape in India

-Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

-Be part of the early founding team and be directly responsible for driving the company's

success

Key Responsibilities

-As an early team member, you will get a chance to set the foundations of our engineering

culture. You will help articulate our engineering principles and help set the long-term

roadmap.

-Making decisions on the evolution of Cashflo's technical architecture

-Building new features end to end, from talking to customers to writing code

Our Ideal Candidate Will Have

● 3+ years of full-time software engineering experience

● Experience building scalable backend platforms (you've owned & built features from start

to

finish before)

● Thorough knowledge of SDLC

● Extensive knowledge of any of Python, Go, NodeJS

● Expertise on any RDBMS or NoSQL databases

● Understanding of messaging systems like RabbitMQ, Kafka and protocols

● Understands CI/CD pipelines

● Exposure to cloud providers like AWS, GCP or Azure

● Seen extensive scale and understands the evolutionary technical challenges

About You

-Product-minded. You have a sense for great user experience and feel for when something

is off. You love understanding customer pain points and solving for them.

-Get a lot done. You enjoy all aspects of building a product and are comfortable moving

across the stack when necessary. You problem solve independently and enjoy figuring stuff

out.

-High conviction. When you commit to something, you're in all the way. You're opinionated,

but you know when to disagree and commit. Mediocrity is the worst of all possible outcomes.

What’s in it for you

● Gain exposure to the Fintech space - one of the largest and fastest growing markets in

India

and globally

● Shape India’s B2B Payments landscape through cutting edge technology innovation

● Be directly responsible for driving company’s success

● Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

● Fast track your career with trainings, mentoring, growth opportunities on both IC and

management track

● Work-life balance and fun team events

ROLES AND RESPONSIBILITIES

• Lead the Software Team. Ensure consistent deliveries of planned features while ensuring code quality, testing standards, and processes are maintained.

• Work with the leadership team to cultivate and grow the Internal Software Team Culture at

• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth

• Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design.

• Solve technical problems of high scope and complexity.

• Exert influence on the overall objectives and long-range goals of your team.

• Experience with performance and optimization problems, particularly at a large scale, and a demonstrated ability to both diagnose and prevent these problems.

• Help to define and improve our internal standards for style, maintainability, and best practices for a high-scale web environment. Maintain and advocate for these standards through code review.

CANDIDATES MUST HAVE

• Experienced in designing and integrating RESTful APIs

• Knowledge of Python

• Excellent debugging and optimization skills

DESIRED SKILLS & EXPERIENCE

• 3-5 years of experience building large-scale software applications and working with large software teams.

• Bachelor’s degree in computer science, information technology, or engineering • Experience designing and integrating RESTful APIs

• Knowledge of Python and Backend Development

• Experience building Web/Mobile applications

• Excellent debugging and optimization skills

• Unit and Integration testing experience

• Being knowledgeable about engineering processes and good practices

• Passionate about learning new tools. Ability to continuously learn and acquire knowledge.

• Able to adapt to changing complexity of tasks.

We are looking for a Backend developer who is passionate about building end to end applications. 

What you will be doing: 

• Designing and developing scalable applications and takes care of test and deployment as well. 
• Managing individual project priorities, deadlines, and deliverables. 
• Architect and implement software libraries in a multi-cloud environment 
• Design and build a flexible logging, monitoring, and alerting infrastructure 
• Build scalable APIs using python and is familiar with the latest developments in the language 

Skills Required: 

• Expert in Python 3 
• Detailed knowledge of Python web framework Django or Flask (2 to 3 years) 
• Familiarity with some ORM (Object Relational Mapper) libraries, 
• Knowledge of Django REST framework and its concepts like Serializers, Viewsets, Filters, Mixins. 
• Experience with relational databases like PostgreSQL, MySQL 
• Experience with Python libraries like Pandas, Numpy. 
• Experience with databases NoSQL databases like MongoDB, Cassandra, DynamoDB is a big plus 
• Experience with technologies like Celery, Gunicorn, Redis. 
• Knowledge of Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, complexity analysis, databases, networking, and distributed systems. 
• Experience with working on Linux system, GIT, CI/CD pipelines. 
• Experience in designing scalable architectures to support a data-intensive application. 
• Experience of working with AWS services like EC2, S3, RDS, lambda etc. 
• Previous work experience at a product-based company or startup would be a bonus. 
• Prior experience working in IoT domain or energy sector will be plus. 

Personality traits we really admire: 

• Great attitude to ask questions, learn, and suggest process improvements. 
• Attention to detail and helps identify edge cases. 
• Equal importance to planning, coding, code reviews, documentation, and testing. 
• Highly motivated and coming up with fresh ideas and perspectives to help us move towards our goals faster. 
• Adheres to release cycles and absolute commitment to deadlines. 

Greetings from Amazon...!                                       

It is our pleasure in personally inviting you to apply job with Amazon Development Centre India (ADCI). At Amazon we are inclined to hire people with passion for technology and you happened to be one of the shortlisted candidates. Our business is committed to recognizing potential and creating teams that embrace innovation.

Please find the Eligible criteria and requirements:

Job title                             :             SDE – II (Software Development Engineer)
Role Opportunity            :             Permanent/Full Time/FTE/Regular

Work Location                 :             Hyderabad/Bangalore/ Gurgaon

Must Have

• Strong Exposure to Data Structures, Algorithms, Coding, System Design (LLD, HLD, OOAD), Distributed systems, problem solving skills, Architecture (MVC/Microservices), logical thinking.

Amazon (ADCI) - If you are looking for an opportunity to solve deep technical problems and build innovative solutions in a fast paced environment working with smart, passionate software developers, this might be the role for you. Amazon’s transportation systems get millions of packages to customers worldwide faster and cheaper while providing world class customer experience – from checkout to shipment tracking to delivery. Our software systems include services that handle thousands or requests per second, make business decisions impacting billions of dollars a year, integrate with a network of small and large carriers worldwide, manage business rules for millions of unique products, and improve experience for millions of online shoppers. With rapid expansion into new geographies, innovations in supply chain, delivery models and customer experience, increasingly complex transportation network, ever expanding selection of products and growing number of shipments worldwide, we have an opportunity to build software that scales the business, leads the industry through innovation and delights millions of customers worldwide.

As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.

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.

Basic Qualifications:

• 3+ years’ experience building successful production software systems
• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
• The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs
• Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc..), Architecture (MVC/Micro services).
• Good understanding of at least some of the modern programming languages (Java) and open-source technologies (C++, Python, Scala, C#, PHP, Ruby etc..)
• Excellence in technical communication
• Has experience in mentoring other software developers

Preferred Qualifications:

• BS/MS in Computer Science or equivalent
• Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability
• Demonstrated ability to mentor other software developers to maintain architectural vision and software quality
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment
• Expertise in delivering high-quality, innovative application
• Strong desire to build, sense of ownership, urgency, and drive
• Strong organizational and problem solving skills with great attention to detail
• Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
• Experience building highly scalable, high availability services
• The ideal candidate will be a visionary leader, builder and operator.
• He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
• He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
• He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgment
• Proficiency in, at least, one modern programming language.
• Experience in SQL or Non-SQL database.
• Strong sense of ownership, urgency, and drive.
• Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Excellent communication, collaboration, reporting, analytical and problem solving skills.

Good to Have:

• Knowledge of professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Experience with enterprise-wide systems
• Experience influencing software engineers best practices within your team
• Hands-on expertise in many disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between
• Strong written and verbal communication skills preferred

Key Points to remember:

• Strong knowledge of the Software Development Life Cycle methodology
• Technical design, development and implementation decisions on the use of technology in area(s) of specialization.
• Write or modify programming code to suit customer's needs.
• Unit test to assure meets requirements, including integration test as needed.
• Ability to understand and analyze issues and uses judgment to make decisions.
• Strong problem solving & troubleshooting skills
• Strong communication skills
• Responsible for self-development according to professional development plan