
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

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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.
● Optimising 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 organisation.
● 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
Job Overview:
We are looking for a seasoned Senior Backend Engineer (SDE III) with over 5 years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.As a Backend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities:
- Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
- Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
- Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
- Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of experience in software engineering
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software architecture, design patterns, and scalable system design.
- Expertise in multiple programming languages and modern development frameworks For this role we require expertise in Python/Django and API Development
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Good experience with MySQL and ElasticSearch. Slight experience with other NoSQL and SQL databases.
- Experience in DevOps, CI/CD pipelines, and infrastructure automation.
- Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
We are seeking a talented and motivated Backend Developer to join our dynamic team. As a senior Backend Developer, you will play a crucial role in enhancing and expanding our AI productivity tool, working on the intersection of natural language understanding (NLU), event-condition-action (ECA) frameworks.
Key Responsibilities:
- Collaborate with cross-functional teams to design and implement advanced features for our AI productivity tool.
- Innovate and propose creative solutions to enhance the functionality and user experience of the platform.
- Develop back-end components of the AI productivity tool, ensuring performance and scalability.
- Design and implement robust backend services and APIs using Python- Django.
Requirements:
- Bachelor's/Master's degree in Computer Science or a related field.
- Proven experience (3-4 years) as a Software Development Engineer, with a focus on Python- Django
- Strong problem-solving skills and the ability to think creatively.
- Ability to take up different tech stacks.
- Mathematical experience preferred.
- Proficiency in Backend Technologies as well as a basic understanding of Frontend technologies.
Nice-to-Haves:
- Experience with cloud platforms and services.
- Experience with Frontend Technologies.
- Track record of contributing to open-source projects.
- Passion for staying updated on the latest trends in AI and technology.
Requirements
- Design and implement a full-stack web application using Python Django framework and ReactJS.
- 1+ years of experience in building and deploying web applications.
- Experience in designing and using RESTful APIs.
- Basic knowledge in front-end technologies such as JavaScript, , ReactJS, HTML5, and CSS3.
- Understanding of fundamental design principles behind a scalable application.
- Understanding of databases, SQL and non-relational, plus the Django ORM.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience in web mark-up like HTML and CSS.
- Experience with data structure libraries.
- Familiarity with RESTful APIs.
- A knack for bench marking and optimization.
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as NPM etc.
- Strong knowledge of Git version control.
- Experience deploying Python applications into production.
- Amazon Web Services (AWS) knowledge is a plus.
Responsibilities
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performance applications using Django framework in Python.
- Create and use the REST APIs for communicating with other apps.
- Assess and prioritize feature requests and work in Agile framework.
- Implementation of security and data protection algorithms.
- Integration of data storage solutions like databases, key-value stores, blob stores, S3 etc.
- Improve the functionality of existing systems and applications.
- High commitment to work and taking ownership of deliverables.
- Help to research and influence our path forward with strategic technology initiatives.
o Strong Python development skills, with 7+ yrs. experience with SQL.
o A bachelor or master’s degree in Computer Science or related areas
o8+ years of experience in data integration and pipeline development
o Experience in Implementing Databricks Delta lake and data lake
o Expertise designing and implementing data pipelines using modern data engineering approach and tools: SQL, Python, Delta Lake, Databricks, Snowflake Spark
o Experience in working with multiple file formats (Parque, Avro, Delta Lake) & API
o experience with AWS Cloud on data integration with S3.
o Hands on Development experience with Python and/or Scala.
o Experience with SQL and NoSQL databases.
o Experience in using data modeling techniques and tools (focused on Dimensional design)
o Experience with micro-service architecture using Docker and Kubernetes
o Have experience working with one or more of the public cloud providers i.e. AWS, Azure or GCP
o Experience in effectively presenting and summarizing complex data to diverse audiences through visualizations and other means
o Excellent verbal and written communications skills and strong leadership capabilities
Skills:
Python
Simform is a fast-growing software services company mainly serving and having a presence in North America. Simform has built a solid work culture that is focused on learning, growth, and work-life balance. Simform is well-known for its very good work culture and loved by employees.
Please read more about the company and work culture here : https://www.simform.com/careers/
Job Description :
Summary : Major focus will be the development of server-side logic to ensure high performance and responsiveness to requests received from front-end. Deployment on the production server.
Responsibilities :
- Understanding the project requirement and coding the programs efficiently to meet the client's requirements to the closest proximity.
- Optimise output to run smoothly on multiple delivery platforms.
- Design and implement low-latency, high-availability, and performant applications.
- Integration of user interface elements developed by front-end developers with server-side logic.
- Integration of multiple data sources and databases into one system.
- Integration of data storage and third-party library/package into the application.
- Create or integrate any such thing manually if not available on standard package list.
- Create the best fitted and scalable database schema for particular business logic.
- Should be hands-on in reading large volumes of data from the database, or over HTTP(S)/WebSockets.
- Ensure programs and applications are bug-free and run smoothly.
Skills And Qualifications :
- Familiarity with Python web stacks and In-depth knowledge of different frameworks (Django, Flask, etc.)
- Understanding different types of Object Relational Mappers.
- Ability to work on multiple API integrations, and write modular reusable code.
- Understanding of the threading limitations of Python, and multi-process architecture
- Good knowledge of a server-side templating language.
- Basic understanding of front-end frameworks such as Angular, ReactJs, VueJs and technologies such as JavaScript, HTML5, and CSS3
- Knowledge of user authentication and authorisation between multiple systems, servers, and environments
- Understanding of fundamental design principles behind a scalable application
- Familiarity with object event-driven programming in Python
- Strong unit test and debugging skills
- Proficient understanding of code versioning tools, such as Git, Mercurial or SVN.
Title: Senior Python Developer
Location:- Ahmedabad (Currently work from home)
Salary Range: upto 7.5lpa
Experience Range: 3+ years
Qualification: B.Sc. / B.Tech (CS / IT), MCA, BCA
Responsibility:
- You will work on large data sets
- You will provide data visualization for the platform
- Writes and executes complete testing plans, protocols, and documentation for assigned portion of application; identifies and debugs, and creates solutions for issues with code and integration into application architecture.
- Designs enhancements, updates, and programming changes for portions and subsystems of end-user applications software running on local, networked, and Internet- based platforms.
- Collaborates and communicates with management, internal, and outsourced development partners regarding software applications design status, project progress, and issue resolution.
Functional Knowledge:
- Expert in Python, Machine learning with knowledge of at least one Python web framework Flask, Django etc.
- Expert in server programming, you should be able to implement complex business logic
- Good understanding of the threading limitations of Python, and multi-process architecture
- Good understanding of fundamental design principles behind a scalable application
- Knowledge of event-driven programming in Python
- Strong unit test and debugging skills
- Knowledge of AWS cloud and python Boto lib
- Knowledge of mongo-db
- Proficient understanding of code versioning tools Like Git
- Good understanding of Linux OS
- Knowledge on nltk, scikit, numpy would be an advantage
Compensation and Benefits:
- Excellent Salary Structure
- Employee friendly corporate work culture
- Exposure to interact with US people
- Flexible timings with Saturday and Sunday Off
- Lucrative Rewards and Recognition
• Design, implement, and extend core platform services and APIs to enable new
products and features to be built.
• Provide technical contribute to the core team that powers our backend services for
millions of concurrent users.
• Build and own the core systems that form the architecture of our backend services
from api gateways, service observability and inter-service communications to higher
level business components like identity, therapeutic engine, and analytics systems
just to name a few.
• Drive the qualitative aspects of the backend services, like performance, scalability,
observability, reliability and security and so on.









