Python Backend & Data Science Engineer

Job Title : Python Developer – API Integration & AWS Deployment

Experience : 5+ Years

Location : Bangalore

Work Mode : Onsite

Job Overview :

We are seeking an experienced Python Developer with strong expertise in API development and AWS cloud deployment.

The ideal candidate will be responsible for building scalable RESTful APIs, automating power system simulations using PSS®E (psspy), and deploying automation workflows securely and efficiently on AWS.

Mandatory Skills : Python, FastAPI/Flask, PSS®E (psspy), RESTful API Development, AWS (EC2, Lambda, S3, EFS, API Gateway), AWS IAM, CloudWatch.

Key Responsibilities :

Python Development & API Integration :

• Design, build, and maintain RESTful APIs using FastAPI or Flask to interface with PSS®E.
• Automate simulations and workflows using the PSS®E Python API (psspy).
• Implement robust bulk case processing, result extraction, and automated reporting systems.

AWS Cloud Deployment :

• Deploy APIs and automation pipelines using AWS services such as EC2, Lambda, S3, EFS, and API Gateway.
• Apply cloud-native best practices to ensure reliability, scalability, and cost efficiency.
• Manage secure access control using AWS IAM, API keys, and implement monitoring using CloudWatch.

Required Skills :

• 5+ Years of professional experience in Python development.
• Hands-on experience with RESTful API development (FastAPI/Flask).
• Solid experience working with PSS®E and its psspy Python API.
• Strong understanding of AWS services, deployment, and best practices.
• Proficiency in automation, scripting, and report generation.
• Knowledge of cloud security and monitoring tools like IAM and CloudWatch.

Good to Have :

• Experience in power system simulation and electrical engineering concepts.
• Familiarity with CI/CD tools for AWS deployments.

Shortened version:

• 5+ years experience in Python with strong core concepts (OOP, data structures, exception handling, problem-solving)
• Experience with FastAPI (preferred) or Flask/Django
• Strong REST API development & authentication (JWT/OAuth)
• SQL (MySQL/PostgreSQL) & NoSQL (MongoDB/Firestore) experience
• Basic cloud knowledge (GCP or AWS)
• Git, code reviews, clean coding & performance optimization
• Good communication and teamwork skills

Responsibilities:

• Build and maintain scalable backend apps and REST APIs
• Work with databases, third-party integrations, and cloud deployments
• Write clean, testable, optimized code
• Debug, troubleshoot, and improve performance
• Collaborate with team on technical solutions

Good to have:

• GCP (BigQuery, Dataflow, Cloud Functions)
• Microservices, Redis/Kafka/RabbitMQ
• Docker, CI/CD
• Basic Pandas/Numpy for data handling

Perks & Benefits

• 5 Days Working
• Family Health Insurance
• Relaxation Area
• Affordable Lunch
• Free Snacks & Drinks
• Open Work Culture
• Competitive Salary & Benefits
• Festival Celebrations
• International Exposure Opportunities
• 20 Paid Leaves per Year
• Marriage Leave & Parental Leave Policy

Senior Software Engineer Full stack/ Java track/ UI/ Android

Skills required: -

• Good design skills and exposure to multiple software architectures. -

• Strong understanding of OO/ knowledge of frameworks such as Spring/ Spring Boot/ design and good software development practices. -

• Strong core server-

• side technologies experience (Java) and/or having any of front end/UI skills (Angular, JS, HTML). Knowledge of Android is a huge plus. -

• Strong database skills including schema design. -

• Strong knowhow of data-structures and algorithms. -

• Experience with configuration management, testing, deployment. -

• Hands on development across technologies. -

• Exp- 4-6yrs . -

• Grad- B.E/ B.Tech (Computer Science/ Equivalent) from a premier institute.

Aternately: -

• Strong UI architecture and design skills and keen business sense. -

• Excellent front end/UI skills (JS, HTML, Angular, Flutter) and OR Android skills. -

• Good knowledge of nodeJS. -

• Good knowhow of server-side technologies, exposure to databases. -

• Good exposure to configuration management, testing, deployment. -

• Deep knowhow of data structures, algorithms. -

• Hands on development across technologies. -

• Exp- 4- 6 Yrs

• Grad - B.E/ B.Tech (Computer Science/ Equivalent) from a premier institute.

Sr. Backend Engineer - (Django & Python)

Must have Crypto/Blockchain Experience.

CoinCROWD is an innovative Fintech company. We offer a crypto platform for seamless payments, Crypto Vouchers, crypto trading, portfolio management, real time market data, breaking news and powerful analytics.

Website: https://coincrowd.com/

Domain : Finance, Blockchain, Crypto

Role : Permanent full time Employment

Job Location : Work from Home / Remote

Job Responsibilities:

• Understand project requirements, writing bug free clean code and ensure that the solution works per the agreed architecture, SLAs, KPIs and business model
•  Integrate backend with third party APIs
• 100% Hands on role
•  Make design decisions that contribute to maintainable systems
• Adapt to rapidly evolving requirements and changing priorities and drive the team accordingly Responsible to drive and support e-commerce project activities and ensure marketplace implementation, deepen customer engagement, satisfaction, and user engagement
• Reverse engineer for debugging errors in code and ensuring quality control in the process.
• Continually drive products towards a meaningful balance between user needs, business objectives and technical feasibility
• Documentation and reference preparation for users by writing operating instructions including changes and revisions.

Qualifications:

• Bachelor or Master Degree in Computer Science, Software Engineering from a reputed University
• 5+ years of experience with at-least 2-3 years working in the Finance domain is Plus.
• Django , Django Rest Framework, Python 3, Mysql, Elasticsearch, websockets, javascript, JIRA, Gitlab, Rest API, GCP or AWS
• Finance, Social Analytical, debugging, and troubleshooting skill with proven experience troubleshooting and fixing production bugs
• Experience in writing unit testing and test case automation.
• Ability to operate in an Agile environment with a start-up mentality and unstructured environment, Energy, drive and passion to work, and operate in a digital world.
• Excellent communication skills and ability to work with remote teams

What We Offer:

In recognition of your valuable contributions, you will receive an equity-based compensation package. Join our dynamic and innovative team in the rapidly evolving fintech industry and play a key role in shaping the future of Coincrowd's success.

What kind of work will you get?

We are looking for a Python developer.

Examples of technical tasks:

Working on our backend SDK to implement APIs that will be consumed by the frontend widgets

Designing APIs for different auth recipes

Architecting auth flows

You will also be given non technical tasks like product brain storming, competitor analysis and writing documentation.

Note: Compensation is as per the applicant's geography

Requirements

Well versed in Python with 2+ years of professional experience

Familiar with and comfortable working with Web frameworks like FastAPI, Django and Flask

Familiar with HTTP networking in Python

Strong understanding of async and sync modes in Python

Bonus:

Contributed to open source, or have your own open source repo with a community and many github stars

Built an in-house authentication or authorization solution or worked with solutions such as Keycloak, Auth0, Ory, Okta etc

·        Should have 5 to 6 years of work experience as a Python Developer

·        Expertise in at least one popular Python framework (like Django, Flask or Pyramid)

·        Knowledge of object-relational mapping (ORM)

·        Familiarity with front-end technologies (like JavaScript and HTML5)

·        Should have completed B.E/B.Tech. /MCA in any field.

·        Good problem-solving skills and Team spirit.

·        Writing scalable code using Python programming language.

·        Testing and debugging applications.

·        Developing back-end components.

·        Integrating user-facing elements using server-side logic.

·        Assessing and prioritizing client feature requests.

·        Integrating data storage solutions.

Requirements:

• Expert in Python, with good knowledge in Django technology.
• Able to integrate multiple data sources and databases into one system.
• Understanding of the threading limitations of Python, and multi-process architecture.
• Knowledge of user authentication and authorization between multiple systems, servers, and environments.
• Experience in Flask will be an add-on
• Understanding of fundamental design principles behind a scalable application.
• Familiarity with event-driven programming in Python.
• Able to create database schemas that represent and support business processes.
• Proficient understanding of code versioning tools.
• Good communication skills.

We are hiring for a Software Engineer Team Lead - Backend, to join our education-focused fintech lending startup, GrayQuest. Our core product is a combination of a lending product, a rewards product and an insurance product to redefine the education fees payment across the country.

• Participate in all stages of the Software Development Lifecycle
• Develop back-end components, services, and APIs. Support integration of user-facing elements, and collaborate closely with the design and front-end development team.
• Write elegant, effective, and scalable code while maintaining the highest level of coding standards.
• Take complete ownership of projects and ensure timely deliveries
• Ability to debug, refine, review, and deploy code
• Work closely with the QA team to test, and document project features.
• Ability to interact with all stakeholders. Understand business requirements, and effectively convert them into technical specifications
• Mentor junior developers and participate in peer Review

Requirements:

• Demonstrable experience as a Python Developer (3+ years)
• Strong knowledge of Python frameworks (Django Rest, Flask)
• Experience working on REST APIs
• Strong knowledge of SQL and JavaScript
• Experience with Amazon Web Services (AWS)
• Working knowledge of React
• Familiarity with Agile development methodology
• Good understanding of task breakup, milestone definition, and work delegation.
• Past experience of working in a fintech/financial services domain or a consumer internet startup will be preferable but not required
• Work experience in early-stage startups (0 ->1) is a big plus
• Bachelors or equivalent degree from premier institutes is a plus
• Most importantly, the biggest skill we look for our prospective candidates is "Learnability" - how quickly can you learn. 

Why is this a great opportunity for the right candidate:

1. Work with a young dynamic core team backed by marquee investors from the financial services space
2. Work on a product/business that has achieved product market fit and take it to scale
3. Equity compensation and competitive market salaries
4. Work environment that prioritizes talent, hustle and dedication
   
   

We will also ensure we give a preference to applicants who directly email us with their background/context and why they think they should be a strong candidate for this position at GrayQuest. Email us at work (at the rate) grayquest (dot) com and cc Sonal (at the rate)grayquest (dot) com