
Principal Engineer (Python)
at FinTech product company from UK,
Your Responsibilities:
- Own the backend stack – Python based, that powers our product
- Collaborate with Data Scientists, Backend Developers(Node.js), Front-end developers, DevOps to design and implement new features
- Build and maintain several Backend Jobs and REST’ful Services which will be used internally in a Macroservices/Distributed services environment.
- Deploy and monitor the Jobs and endpoints ensuring availability and scalability(ability to handle 100X data processing load)
- Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.
Skills that you bring Along:
- A minimum 8+ years of extensive work experience with Python and related frameworks – particularly Flask.
- Extensive experience in designing and scheduling backend Python jobs
- Hands on working in different file formats like Json, Parquet, csv etc. coming from Data Science side.
- Extensive experience with databases such as Postgres and Mongo.
- Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
- Experience with cache like Redis and/or Memory cache
- Good experience in Microservices/Macroservices or Event driven Architectures
- Good experience with design patterns
- Experience in writing advanced SQL-queries, good knowledge of PL/SQL
- Good understanding of Software Design Principles and domain-driven design
- Good experience with Continuous Delivery and Containerization(Docker)
- Good experience in designing and maintaining REST’ful API endpoints
- Ideally maintaining infrastructure-as-code using Terraform
- Ideally experience in parallel data processing and building end-to-end Data Pipelines using tools such as Airflow/Prefect and Spark/Dask
- Excellent communication skills and the ability to explain complex topics in a simple manner

Similar jobs
We are currently hiring a Python Developer to join our engineering team to develop dynamic
software applications.
Main Responsibilities of the Python Engineer:-
Your responsibilities will include:
• Writing effective and scalable Python codes
• Designing and implementing robust applications
• Debugging applications to ensure low-latency and high-availability
• Integrating user-facing elements with server-side logic
• Implementing security and data protection
• Accommodating various data storage solutions
Key Requirements:-
• Degree in Computer Science, Engineering or a related field
• You have prior experience as a Python Developer
• Good knowledge Django framework
• Good knowledge in Lambda and AWS.
• Familiarity with front-end technologies, such as JavaScript, HTML5, and CSS3
• Knowledge of ORM (Object Relational Mapper)
• Familiarity with various testing tools.
Work Location : Pune preferred, Remote option available
Work Timing US Shift 2:30 PM to 11:30 PM or 6:30pm to 3:30am IST
We are looking to expand our existing Python team across our offices in Surat. This position is for SDE-1 - Junior Software Engineer.
The requirements are as follows:
1) Familiar with the the Django REST API Framework.
2) Experience with the FAST API framework will be a plus
3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )
4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus
5) Experience with any ML library will be a plus.
6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.
7) Familiar with basic code patterns like MVC.
8) Grasp on basic data structures.
Description
6sense is a Predictive Intelligence Engine that is reimagining how B2B companies do sales and marketing. It works with big data at scale, advanced machine learning and predictive modelling to find buyers and predict what they will purchase, when and how much.
6sense helps B2B marketing and sales organisations fully understand the complex ABM buyer journey. By combining intent signals from every channel with the industry’s most advanced AI predictive capabilities, it is finally possible to predict account demand and optimize demand generation in an ABM world. Equipped with the power of AI and the 6sense Demand Platform™, marketing and sales professionals can uncover, prioritize and engage buyers to drive more revenue.
6sense is seeking a Python Developer to become part of a team designing, developing, and deploying its customer centric applications.
A Python Developer at 6sense will have the opportunity to
- Optimize components for maximum performance across multiple devices and browsers
- Write performant REST APIs for both internal and external consumption
- Build micro services and their deployment process
- Work with problems of scale, employ technologies that are distributed in nature.
- Perform code reviews
Required qualifications and must have skills
- BE/BTech/BS or equivalent
- Excellent analytical and problem-solving skills
- Proven-deep-expertise with Python programming (3 to 8 Years of minimum hands-on experience in Python).
- Hands on with Data structures & Algorithm programming.
- Experience in working with frameworks like Django, Flask, etc.
- Experience with building APIs and services using REST, SOAP, etc.
- Experience with any RDBMS and strong SQL knowledge
- Comfortable with Unix / Linux command line
- Object-oriented concepts & design patterns
Do not miss to reply back, else we will miss meeting an awesome Techies!
Python. Django Rest Framework experience would be great, but not essential! We prioritise
quality over quantity.
Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
Docker, Kubernetes, Helm, OpenShift and associated tooling.
AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
important to us.
The challenge of scaling a global, distributed API to 10,000+ requests per second.
We have SDKs in a bunch of languages, so the more polyglot you are the better.
If you like writing JS and React that would be awesome too.
Job Responsibilities:
● Design, test, and build scalable backend python services
● Closely collaborate with marketing and product teams to build innovative, robust, and easy-to-use features that serve.
● Developing high-quality code based on detailed designs that cater to the product requirements.
● Responsible for troubleshooting, testing, and maintaining the core product software and databases to ensure strong optimization and functionality
Required Skills:
● Degree in Computer Science, Software Engineering or equivalent.
● Minimum 3+ years experience in software development.
● Expertise in Python 3.7, Django 2.2+, and REST APIs.
● Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment
● Hands-on, self-starter, capable of working independently
● True love for technology and what you do
● Maniacal attention to detail
Responsibilities :
● Designing and developing robust and scalable server-side applications using Python, Flask, Django, or other relevant frameworks and technologies.
● Collaborating with other developers, data scientists, and data engineers to design and implement RESTful APIs, web services, and microservices architectures.
● Writing clean, maintainable, and efficient code, and reviewing the code of other team members to ensure consistency and adherence to best practices.
● Participating in code reviews, testing, debugging, and troubleshooting to ensure the quality and reliability of applications.
● Optimizing applications for performance, scalability, and security, and monitoring the production environment to ensure uptime and availability. ● Staying up-to-date with emerging trends and technologies in web development, and evaluating and recommending new tools and frameworks as needed.
● Mentoring and coaching junior developers to ensure they grow and develop their skills and knowledge in line with the needs of the team and the organization.
● Communicating and collaborating effectively with other stakeholders, including product owners, project managers, and other development teams, to ensure projects are delivered on time and to specification.
You are a perfect match, if you have these qualification :
● Strong experience in Python and server-side development frameworks such as Flask or Django.
● Experience in building RESTful APIs, web services, and microservices architectures.
● Experience in using database technologies such as MySQL, PostgreSQL, or MongoDB.
● Familiarity with cloud-based platforms such as AWS, Azure, or Google Cloud Platform.
● Knowledge of software development best practices such as Agile methodologies, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD).
● Excellent problem-solving and debugging skills, and the ability to work independently as well as part of a team.
● Strong communication and collaboration skills, and the ability to work effectively with other stakeholders in a fast-paced environment
Your responsibilities as a backend engineer will include:
- Back-end software development
- Software engineering and designing data models and write effective APIs
- Working together with engineers and product teams
- Understanding business use cases and requirements for different internal teams
- Maintenance of existing projects and New feature development
- Consume and integrate classifier/ ML snippets from Data science team
What we are looking for:
- 4+ years of industry experience with the Python and Django framework.
- Degree in Computer Science or related field
- Good analytical skills with strong fundamentals of data structures and algorithms
- Experience building backend services with hands-on experience through all stages of Agile software development life cycle.
- Ability to write optimized codes,debug programs, and integrate applications with third party tools by developing various APIs
- Experience with Databases (Relational and Non-Relational). Ex: Cassandra, MongoDB, Postgresql
- Experience with writing REST-APIs.
- Prototyping initial collection and leveraging existing tools and/or creating new tools
- Experience working different types of datasets (e.g. unstructured, semi-structured, with missing information)
- Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way
- A positive attitude, and a growth mindset
Bonus:
- Experience with relevant Python libraries such as Sklearn, NLTK, tensorflow, HuggingFace Transformers
- Hands on experience in Machine learning implementations
- Experience with Cloud infrastructure (e.g. AWS) and relevant microservices
- Good with Humor and Team player
• BE/B. Tech. Computer Science or MCA from a reputed University.
• 8+ Years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO,
webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks, ESB
etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is
essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.
• This is not a Fullstack requirement, we are purely looking out for Backend resources.







