PayPal - Member of Technical Staff II/Architect - Java/Python/GoLang
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Job Title: Python Backend Engineer (Full-time)
Location: Gurgaon, Onsite
Working Days: 5 days
Experience Required: 4+ Years
Interview: Screening and Face-to-face Interview
Job Summary
We are looking for a Python Backend Engineer with strong experience in FastAPI/Django and hands-on exposure to MLOps and LLMOps. You will work on building APIs, deploying ML/LLM models, and enabling intelligent systems using modern AI tools and frameworks.
Responsibilities
- Build and maintain scalable backend systems using Python, FastAPI, or Django
- Deploy and manage ML models (e.g., OpenCV, scikit-learn) and LLMs in production
- Develop APIs for ML/LLM inference and support RAG pipelines
- Implement model versioning, CI/CD, and monitoring for production use
- Collaborate with AI teams to integrate models into applications
Skills Required
- Strong Python backend development (FastAPI/Django)
- Experience with ML libraries: scikit-learn, OpenCV, NumPy, Pandas
- MLOps tools: MLflow, DVC, Airflow, Docker, Kubernetes
- LLMOps tools: LangChain, LlamaIndex, RAG pipelines, FAISS, Pinecone
- Integration experience with OpenAI, Hugging Face, or other LLM APIs
- Familiarity with CI/CD tools (GitHub Actions, Jenkins)
Title: Senior Software Engineer – Python (Remote: Africa, India, Portugal)
Experience: 9 to 12 Years
INR : 40 LPA - 50 LPA
Location Requirement: Candidates must be based in Africa, India, or Portugal. Applicants outside these regions will not be considered.
Must-Have Qualifications:
- 8+ years in software development with expertise in Python
- kubernetes is important
- Strong understanding of async frameworks (e.g., asyncio)
- Experience with FastAPI, Flask, or Django for microservices
- Proficiency with Docker and Kubernetes/AWS ECS
- Familiarity with AWS, Azure, or GCP and IaC tools (CDK, Terraform)
- Knowledge of SQL and NoSQL databases (PostgreSQL, Cassandra, DynamoDB)
- Exposure to GenAI tools and LLM APIs (e.g., LangChain)
- CI/CD and DevOps best practices
- Strong communication and mentorship skills
We are looking for a passionate and experienced Java Developer with over 4 years of hands-on experience in building robust and scalable backend systems using Java, Spring Boot, and Microservices architecture.
Key Responsibilities:
- Design, develop, test, and deploy high-performance, scalable, and secure backend services using Java 8+, Spring Boot, and Microservices.
- Participate in the entire software development lifecycle (SDLC), from requirements gathering to production deployment and support.
- Collaborate with frontend developers, DevOps engineers, and product owners to deliver end-to-end features.
- Optimize application performance and ensure high availability and responsiveness.
- Write clean, maintainable, and reusable code while following best practices (coding standards, unit testing, CI/CD, etc.).
- Develop RESTful APIs and ensure their quality and consistency.
- Handle integration with external systems and third-party services.
- Participate in code reviews, provide constructive feedback, and mentor junior developers.
Technical Skills Required:
- Languages: Java 8 or above
- Frameworks: Spring Boot, Spring MVC, Spring Security
- Architecture: Microservices architecture and design patterns
- Databases: MySQL/PostgreSQL, MongoDB (optional)
- Messaging: Kafka, RabbitMQ (optional)
- API Development: RESTful APIs, Swagger/OpenAPI
- Version Control: Git, GitHub/GitLab
- Tools: Maven/Gradle, Jenkins, Docker
- Testing: JUnit, Mockito
- Cloud (optional): AWS/Azure/GCP exposure
- CI/CD & DevOps tools (optional): Jenkins, Docker, Kubernetes
Nice to Have:
- Experience in containerization and orchestration (Docker, Kubernetes).
- Knowledge of API Gateway, Service Registry (e.g., Eureka), and Circuit Breakers (e.g., Hystrix or Resilience4j).
- Experience with Agile methodologies (Scrum/Kanban).
- Familiarity with monitoring and logging tools (ELK, Prometheus, Grafana, etc.).
product is an end-to-end S2P solution designed to transform procurement for product manufacturing
companies across industries. Our singular focus is to create a truly distinctive procurement platform that
delights users and provides a sustainable positive impact on the organizations we serve. We achieve this by
providing transparency and insights to leaders, streamlining and automating processes to improve efficiency,
and driving bottom-line impact by unlocking savings potential.
FactWise received funding from a US-based VC, and we are currently deploying our MVP to initial clients.
With exciting sales conversations in advanced stages across Europe, US, and India markets, we have strong
relations with leading VC firms and a great journey ahead. Our core team has members from MIT,
Stanford, McKinsey, Amazon US, and we’d love to be joined by passionate, hardworking self-starters
looking to align their growth journey with ours.
Responsibilities:
As a member of the development group, you will be primarily responsible for the design, development,
and maintenance of the product:
• Help define and create full-stack architecture and deployment using React- Django-AWS in an
an agile environment with lots of ownership and active mentoring
• Work with the Product and Design teams to build new features to solve business problems and fill
business needs
• Participate in code reviews to create robust and maintainable code
• Work in an agile environment where quick iterations and good feedback are a way of life
• Interact with other stakeholders for requirements, design discussions, and for the adoption of new
features
• Communicate and coordinate with our support and professional services teams to solve customer
issues
• Help scale our platform as we expand our product across various markets and verticals globally
As a young, fresh startup, we are hoping to be joined by self-starting, hardworking, passionate individuals
who are committed to delivering their best, who can grow into future leaders of FactWise
As an experienced engineer we know that you have built software to solve various business problems at your previous workplaces. You may have also explored technologies on your own for your learning or hobby projects.
- You will be building APIs for the Synup platform and also UI to make our platform capabilities available to our customers.
- You and the team that you are a part of will be collectively responsible building performant software and customer experiences that scale to our next million customers.
- You will be responsible for writing technical specs and contributing to it's implementation. We expect that you would have done the same in your previous workplaces.
- Other folks on our team are looking forward to learn from your experiences.
For engineers that join our team
- We expect you to be good with Ruby or Python to build APIs.
- You will be contributing to our UI that is built with React and GraphQL.
- We hope our team members have a strong grasp of software design patterns and know when to put them to good use.
- Experience with an SQL datastore would help a lot. PostgreSQL is our primary datastore.
- We optimize our search functionality and rollup reports by using ElasticSearch
- We expect that you have used Redis. Redis is our swiss army knife to solve a lot of problems apart from just caching.
- Experience in Web and Mobile Applications
- Agility and ability to adapt quickly to changing requirements and scope and priorities
- Experience in Java, Python.
- Deep understanding of data structures and microservices.
- Knowledge of Node.js
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Familiarity with front-end technologies
- User authentication and authorization between multiple systems, servers, and environments
- Interaction with multiple data sources
- Good understanding of SQL
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git .
Backend Developer
Role : Backend Developer
Department : Technology Team
Experience : 2 - 3 Years of working experience in Backend
Experience in a related position from Gaming Industry would be preferred
Location : South Delhi; 5 Day Working
Qualification : Bachelor’s degree in Technology
Major Skills : Java, NodeJs, Microservices, Data Structures, etc
Ideal Candidate Requirements :
- Experience in development of Java and NodeJs based applications.
- Experience in building microservices from scratch to production level.
- Strong experience in Core Java and MultiThreading
- Good Knowledge of Data Structures
- Worked on Oracle, REDIS and DYNOMITE
- Good Knowledge of Telecom Protocol SIP
Ideal Candidate Skills Requirements :-
- Distributed systems - Microservices - Algorithm design, System Design
- Performance Engineering, Scalability and Architecture
- Gaming Models, Matching and Allocation Algorithms
- Spring Boot, Hibernate, Java reactive, JPA
- Relational Databases - MSSQL,
- Design Patterns : MVC, Singleton, Adapter, Factory, Builder, Strategy
- Messaging Queues - Apache Kafka
- Cache - Redis
- Search - Elastic Search
- Java
- NoSQL - Mongo, Cassandra
- Jenkins, GIT, BitBucket, JIRA










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