Senior Python Developer

Job Details

- Job Title: Senior Backend Engineer

- Industry: SAAS

- Function – Information Technology

- Experience Required: 5-8 years

- Working Days: 6 days a week, (5 days-in-office, Saturdays WFH)

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Preferred Skills: AWS, NodeJS, RESTful APIs, NoSQL

Criteria

· Minimum 5+ years in backend engineering with strong system design expertise

· Experience building scalable systems from scratch

· Expert-level proficiency in Node.js

· Deep understanding of distributed systems

· Strong NoSQL design skills

· Hands-on AWS cloud experience

· Proven leadership and mentoring capability

· Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies

Job Description

The Role:

What You’ll Build:

1. System Architecture & Design

● Architect highly scalable backend systems from the ground up

● Define technology choices: frameworks, databases, queues, caching layers

● Evaluate microservices vs monoliths based on product stage

● Design REST, GraphQL, and real-time WebSocket APIs

● Build event-driven systems for asynchronous processing

● Architect multi-tenant systems with strict data isolation

● Maintain architectural documentation and technical specs

2. Core Backend Services

● Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions

● Create 3D asset processing pipelines for uploads, conversions, and optimization

● Develop distributed job workers for CPU/GPU-intensive tasks

● Build authentication/authorization systems (RBAC)

● Implement billing, subscription, and usage metering

● Build secure webhook systems and third-party integration APIs

● Create real-time collaboration features via WebSockets/SSE

3. Data Architecture & Databases

● Design scalable schemas for 3D metadata, XR sessions, and analytics

● Model complex product catalogs with variants and hierarchies

● Implement Redis-based caching strategies

● Build search and indexing systems (Elasticsearch/Algolia)

● Architect ETL pipelines and data warehouses

● Implement sharding, partitioning, and replication strategies

● Design backup, restore, and disaster recovery workflows

4. Scalability & Performance

● Build systems designed for 10x–100x traffic growth

● Implement load balancing, autoscaling, and distributed processing

● Optimize API response times and database performance

● Implement global CDN delivery for heavy 3D assets

● Build rate limiting, throttling, and backpressure mechanisms

● Optimize storage and retrieval of large 3D files

● Profile and improve CPU, memory, and network performance

5. Infrastructure & DevOps

● Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)

● Build CI/CD pipelines for automated deployments and rollbacks

● Use IaC tools (Terraform/CloudFormation) for infra provisioning

● Set up monitoring, logging, and alerting systems

● Use Docker + Kubernetes for container orchestration

● Implement security best practices for data, networks, and secrets

● Define disaster recovery and business continuity plans

6. Integration & APIs

● Build integrations with Shopify, WooCommerce, Magento

● Design webhook systems for real-time events

● Build SDKs, client libraries, and developer tools

● Integrate payment gateways (Stripe, Razorpay)

● Implement SSO and OAuth for enterprise customers

● Define API versioning and lifecycle/deprecation strategies

7. Data Processing & Analytics

● Build analytics pipelines for engagement, conversions, and XR performance

● Process high-volume event streams at scale

● Build data warehouses for BI and reporting

● Develop real-time dashboards and insights systems

● Implement analytics export pipelines and platform integrations

● Enable A/B testing and experimentation frameworks

● Build personalization and recommendation systems

Technical Stack:

1. Backend Languages & Frameworks 

●  Primary: Node.js (Express, NestJS), Python (FastAPI, Django)

●  Secondary: Go, Java/Kotlin (Spring)

●  APIs: REST, GraphQL, gRPC

2. Databases & Storage

● SQL: PostgreSQL, MySQL

● NoSQL: MongoDB, DynamoDB

● Caching: Redis, Memcached

● Search: Elasticsearch, Algolia

● Storage/CDN: AWS S3, CloudFront

● Queues: Kafka, RabbitMQ, AWS SQS

3. Cloud & Infrastructure: 

● Cloud: AWS (primary), GCP/Azure (nice to have)

● Compute: EC2, Lambda, ECS, EKS

● Infrastructure: Terraform, CloudFormation

● CI/CD: GitHub Actions, Jenkins, CircleCI

● Containers: Docker, Kubernetes

4. Monitoring & Operations 

● Monitoring: Datadog, New Relic, CloudWatch

● Logging: ELK Stack, CloudWatch Logs

● Error Tracking: Sentry, Rollbar

● APM tools

5. Security & Auth

● Auth: JWT, OAuth 2.0, SAML

● Secrets: AWS Secrets Manager, Vault

● Security: Encryption (at rest/in transit), TLS/SSL, IAM

What We’re Looking For:

1. Must-Haves

● 5+ years in backend engineering with strong system design expertise

● Experience building scalable systems from scratch

● Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)

● Deep understanding of distributed systems and microservices

● Strong SQL/NoSQL design skills with performance optimization

● Hands-on AWS cloud experience

● Ability to write high-quality production code daily

● Experience building and scaling RESTful APIs

● Strong understanding of caching, sharding, horizontal scaling

● Solid security and best-practice implementation experience

● Proven leadership and mentoring capability

2. Highly Desirable

● Experience with large file processing (3D, video, images)

● Background in SaaS, multi-tenancy, or e-commerce

● Experience with real-time systems (WebSockets, streams)

● Knowledge of ML/AI infrastructure

● Experience with HA systems, DR planning

● Familiarity with GraphQL, gRPC, event-driven systems

● DevOps/infrastructure engineering background

● Experience with XR/AR/VR backend systems

● Open-source contributions or technical writing

● Prior senior technical leadership experience

Technical Challenges You’ll Solve:

● Designing large-scale 3D asset processing pipelines

● Serving XR content globally with ultra-low latency

● Scaling from thousands to millions of daily requests

● Efficiently handling CPU/GPU-heavy workloads

● Architecting multi-tenancy with complete data isolation

● Managing billions of analytics events at scale

● Building future-proof APIs with backward compatibility

Why company:

● Architectural Ownership: Build foundational systems from scratch

● Deep Technical Work: Solve distributed systems and scaling challenges

● Hands-On Impact: Design and code mission-critical infrastructure

● Diverse Problems: APIs, infra, data, ML, XR, asset processing

● Massive Scale Opportunity: Build systems for exponential growth

● Modern Stack and best practices

● Product Impact: Your architecture directly powers millions of users

● Leadership Opportunity: Shape engineering culture and direction

● Learning Environment: Stay at the forefront of backend engineering

● Backed by AWS, Microsoft, Google

Location & Work Culture:

● Location: Bengaluru

● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)

● Culture: Builder mindset, strong ownership, technical excellence

● Team: Small, highly skilled backend and infra team

● Resources: AWS credits, latest tooling, learning budget

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

Senior Software Engineer

Gocomet

**Desired Candidate**

- The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a senior developer responsible for the development of new software products and enhancements to existing products.

- You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

**Responsibilities**

- Writing clean, high-quality, high-performance, maintainable code

- Develop and support software including applications, database integration, interfaces, and new functionality enhancements

- Own and complete full projects beginning with identifying and communicating the problems to be solved, getting and incorporating feedback on proposed architectural solutions, and making a final decision as the owner of a project.

- Show curiosity to not only learn new things but fully understand how they work

- Be highly productive - have a reputation for getting things done quickly and efficiently

- Be a mentor for other engineers

- Deconstruct a problem into an executable action plan for themselves and other engineers - also perform them in a high-quality way without issue

- Set and maintain high individual and team expectations

- Actively participate in frequent code/design/architecture reviews

- Be able to communicate well with all engineers regardless of seniority

- Generate support for a company/team decision

**Requirements**

- At least 2 years experience in Development with extensive experience using Ruby/Golang/Python/Nodejs.

- Excellent understanding of Object Oriented Programming

- Ability to self-manage and work autonomously in a collaborative environment

- A focus on detail including around automated tests and documenting your code

- An agile mindset and the ability to adapt to changing priorities and requirements

- Good in analyzing and solving problems

- Passionate to work in a start-up

**What you will get**

- Product ownership - take autonomy over core products & product features

- Be a part of early tech team

- Stock options

**Our stack**

Microservice Architecture, Kubernetes, PostgreSQL, MongoDB, Redis, Ruby on Rails, ReactJs, Nodejs, Jenkins, RabbitMQ, Flutter, Apache Kafka

Our continuous releases are integrated with Jenkins, Bitbucket & Kubernetes. On the frontend, we use React for the views, organize the data flow with Flux architecture, and test our application with RSpec.

On the backend, we're a Rails shop (ROR) riding on AWS/GCP and Postgres RDS.

Working Days: 5 (Saturday and all Sunday’s off).

About GoComet (www.gocomet.com)

     GoComet - our Logistics Resource Management (LRM) SaaS platform leverages the combined power of data science and machine intelligence. It facilitates sharp reverse auctions bringing out the best possible end to end rates for shipments, saves time, optimises operations, and increases deal transparency and efficiencies for enterprises’ freight procurement processes.

Owing to our growing impact and potential, the Singapore Government (SGInnovate) is now backing us as an investor. Also, our global customers (including Fortune 500 Conglomerates) like Schaeffler, Glenmark, Sun Pharma, Polyplex, Indorama Ventures - trust, and recommend us.

Besides, we were also recently mentioned in the Gartner Visibility Guide.

We are looking for a passionate Python Django Developer responsibility include gathering user requirements, defining system functionality, and writing code in various languages like Python, Django, Javascript, HTML, CSS, etc. Ultimately, the role of the Django Developer is to build high-quality, innovative, and fully performing software that complies with coding standards and technical design.

Responsibilities:

You would be working on our core platform, improving the features of the product, testing and fixing bugs/issues, customizing it for clients, cloud and on-premise deployment, security testing, and configuration, etc. You will also get a chance to build new products from scratch.

Tools and technologies that you’d be working on include the following:

• Django, Python.
• Bootstrap, MaterializeCSS, HTML, JavaScript.
• Nginx, Gunicorn, MySQL/Postgres, API integrations (JSON, XML, SOAP).

• Shell Commands, SSH, SSL Certificate, HTTP/HTTPS.

Eligibility:

• Knowledge of developing web applications using at least one popular web framework (preferably, Django).
• Excellent knowledge of relational databases like Postgres/MySQL, etc.
• Knowledge in designing interactive applications.
• Ability to develop software using Python (Django Framework), Javascript, HTML, and CSS.
• Ability to document requirements and specifications.
• Bachelor of Engineering Degree in Computer Science or Information Technology or Electrical Engineering.

About the Company:

Progcap is a Fintech and AI company that pioneers alternative credit scoring for small businesses using proprietary data from non-traditional sources. We aim to fuel credit to 100 million under-banked SMEs in the emerging markets worldwide with an initial focus on India.

Progcap is Sequoia-backed Series A startup, comprising of top tier talent from finance, technology, data science and operations. The Company is the recipient of the World Bank's "SME Product Innovation of the year", 2018 award, Madrid.

What you will be doing:

• Lead and provide first level supervision to project teams and ensures successful delivery of tasks assigned to the team along with sharing of project updates & related communication with stakeholders.
• Writing and ensuring reusable, testable, and efficient code.
• Managing data across multiple databases and providing analysis to stakeholders.
• Design and implementation of low-latency, high-availability, and performant applications.
• Implementation of security and data protection (permission classes and middleware.)
• Implementation of user authentication and authorization across multiple systems, servers, and environments.

What you bring:

• Should have minimum 4 years of experience in development using Python and 1 year in leading Python based projects.
• Strong experience in Application lifecycle management – development, testing and deployment.
• Strong understanding and experience with code version control tools (git, svn, etc.)
• Expert in Python with working experience on Django, AWS, Lambda, RDS, NoSQL, Docker, Kubernetes.
• Integration of data storage solutions redis, postgresql, mysql (big query, big table, pubsub, appengine).
• Strong in data structures and algorithms
• Preferably candidates with Financial/lending Applications development experience with any Fintech Co.