
Responsibilities:
-
Design and implement backend infrastructure and APIs.
-
Write high quality code that is robust, readable and scales.
-
Possess the drive to dive deep. thrive and progress even in ambiguous situations.
-
Encourage and support knowledge sharing within teams and external groups.
-
Troubleshoot & debug applications.
-
Adopt problem solving as a way of life - always go to the root cause.
-
Collaborate with the team to discuss and implement ideas.
-
Build responsive, robust and optimised applications.
Requirements:
-
Passionate about building backend systems.
-
Desire to explore new ideas, open to other ideas as well.
-
Love for writing clean, beautiful, readable and testable code.
-
Experience in designing extensible DRY code.
-
Our stack is based on Django, Python3 Celery, Angular and Postgres.
-
We expect you to have a good understanding of Python. It's even better if you are familiar with some of Git. Django, Celery, Redis and Unix Shell.

About OneFin
About
OneFin is a technology credit platform - we are building the operating system for financial services. We have built modular, plug-and-play APIs to help our partners (like NBFCs, financial institutions, fintech's, startups etc.) underwrite and collect loans from end customers. In a highly credit underserved country with rapidly increasing smartphone adoption, we are enabling any company to become a fintech company through our suite of APIs and regulatory layer, and helping build customised financial products for "Middle India" and its 360 million customers - for consumption based use cases, upskilling / education financing, medical financing, etc.
Connect with the team
Company social profiles
Similar jobs

We are looking for an experienced Python Developer with 5–6 years of hands-on experience in designing, developing, and maintaining scalable backend applications and APIs. The ideal candidate should have strong expertise in Python, backend frameworks, databases, and cloud/deployment practices. The candidate should be capable of working in a fast-paced environment and collaborating with cross-functional teams to deliver high-quality software solutions.
Key Responsibilities
- Design, develop, test, and maintain robust and scalable Python-based applications.
- Build and integrate RESTful APIs and backend services.
- Work on server-side logic, database integration, and performance optimization.
- Collaborate with frontend developers, QA teams, DevOps, and product teams for end-to-end delivery.
- Write reusable, testable, and efficient code following best practices.
- Debug, troubleshoot, and resolve production issues.
- Participate in code reviews, technical design discussions, and architecture planning.
- Optimize applications for maximum speed, scalability, and reliability.
- Implement security and data protection measures.
- Work with CI/CD pipelines and deployment processes.
Required Skills
- Strong experience in Python development with 5–6 years of relevant experience.
- Hands-on experience with Python frameworks such as:
- Django
- Flask
- FastAPI
- Strong understanding of OOPs, Data Structures, and Algorithms.
- Experience in building and consuming REST APIs.
- Good knowledge of SQL and relational databases like:
- MySQL
- PostgreSQL
- Experience with NoSQL databases like:
- MongoDB
- Redis (preferred)
- Knowledge of ORM frameworks such as SQLAlchemy or Django ORM.
- Familiarity with Git/GitHub/GitLab version control.
- Understanding of unit testing, debugging, and code quality practices.
- Experience in working with Linux/Unix environments.
- Knowledge of Docker, containerization, and deployment concepts.
- Exposure to cloud platforms like AWS / Azure / GCP is preferred.
Preferred / Good to Have Skills
- Experience in microservices architecture.
- Knowledge of Celery, asynchronous processing, and message queues like:
- RabbitMQ
- Kafka
- Familiarity with CI/CD pipelines.
- Experience in writing clean architecture and scalable backend systems.
- Exposure to DevOps practices is a plus.
- Experience in Agile/Scrum methodology.
About the Role
We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.
Key Responsibilities
• Design, develop, and maintain scalable backend systems and APIs using Node.js.
• Deploy, manage, and optimize applications on AWS cloud infrastructure.
• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.
• Ensure application performance, security, and scalability.
• Write clean, maintainable, and testable code following industry best practices.
• Work with databases (SQL/NoSQL) to design efficient data models and queries.
• Integrate third-party services and APIs when required.
• Contribute to code reviews, technical discussions, and mentoring of junior developers.
• Support continuous integration and deployment pipelines.
• Troubleshoot, debug, and optimize existing applications.
Requirements
• 4+ years of backend development experience.
• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).
• Good working knowledge of PHP and Python.
• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).
• Working knowledge of React.js and Angular is preferred.
What are the Key Responsibilities:
- Responsibilities include writing and testing code, debugging programs, and integrating applications with third-party web services.
- Write effective, scalable code
- Develop back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Improve functionality of existing systems
- Implement security and data protection solutions
- Assess and prioritize feature requests
- Creates customized applications for smaller tasks to enhance website capability based on business needs
- Ensures web pages are functional across different browser types; conducts tests to verify user functionality
- Verifies compliance with accessibility standards
- Assists in resolving moderately complex production support problems
What are we looking for:
- 3+ Years of work experience as a Python Developer
- Expertise in at least one popular Python framework: Django
- Knowledge of NoSQL databases (Elastic search, MongoDB)
- Familiarity with front-end technologies like JavaScript, HTML5, and CSS3
- Familiarity with Apache Kafka will give you an edge over others
- Good understanding of the operating system and networking concepts
- Good analytical and troubleshooting skills
- Graduation/Post Graduation in Computer Science / IT / Software Engineering
- Decent verbal and written communication skills to communicate with customers, support personnel, and management
Roles:
- Developing core infrastructure in Python, Django.
- Developing models and business logic (e. g. transactions, payments, diet plan, search, etc).
- Architecting servers and services that enable new product features.
- Building out newly enabled product features
- Minimum 4 years of industry or open-source experience.
- Proficient in at least one OO language: Python(preferred)/Golang/Java.
- Writing high-performance, reliable and maintainable code.
- Good knowledge of database structures, theories, principles, and practices.
- Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
Job description
- Coding and creating functional web applications and optimizing code for increasing response time and efficiency.
- Coordinating with front-end developers and providing server-side algorithms of user-facing web application elements.
- Analyzing the goals and requirements, handling bugs and errors and providing solutions for the same.
- Interacting with the database for storing data and ensuring that every user has access to what they search.
- Accomplishing the projects and goals within the deadline.
- Managing APIs that are executed across the devices.
- Participating in defining the architecture of the system.
Required skills
- Proven knowledge of front-end technologies, such as Angular, React, HTML, CSS, and JavaScript will be preferred.
- In-depth knowledge of PHP and related frameworks. Knowledge of Ruby, Python, NodeJs, and Java will be an added advantage.
- Good Communication, Analytical, Logical, and Leadership skills.
- Knowledge of front-end technologies such as Angular, React, HTML, CSS, and JavaScript will be preferred.
- Ability to manage a hosting environment along with database administration such as MySQL, Oracle.
- Excellent knowledge of APIs (REST, SOAP) and Web services.
- Capable of scaling applications to handle the load changes.
- Knowledge of version control, such as GIT.
- Knowledge of accessibility and security compliance.

Location: Chennai, Pune,Banglore,jaipurExp: 5 yrs to 8 yrs
- Implement best practices for the engineering team across code hygiene, overall architecture design, testing, and deployment activities
- Drive technical decisions for building data pipelines, data lakes, and analyst access.
- Act as a leader within the engineering team, providing support and mentorship for teammates across functions
- Bachelor’s Degree in Computer Science or equivalent job experience
- Experienced developer in large data environments
- Experience using Git productively in a team environment
- Experience with Docker
- Experience with Amazon Web Services
- Ability to sit with business or technical SMEs to listen, learn and propose technical solutions to business problems
· Experience using and adapting to new technologies
· Take and understand business requirements and goals
· Work collaboratively with project managers and stakeholders to make sure that all aspects of the project are delivered as planned
· Strong SQL skills with MySQL or PostgreSQL
- Experience with non-relational databases and their role in web architectures desired
Knowledge and Experience:
- Good experience with Elixir and functional programming a plus
- Several years of python experience
- Excellent analytical and problem-solving skills
- Excellent organizational skills
Proven verbal and written cross-department and customer communication skills
-3+ Years of Experience in Software Development
-Strong software engineering knowledge and experience
-Strong in Python
-Experience in maintaining large scale application
-Knowledge of Docker/Kubernetes
-Proficiency in Cloud(AWS/Azure/GCP)
-Knowledge in Big Data/DevOps/MLOps
DeepSource is working on building tools that help developers ship good code. There are over 40 million developers in the world, and all of them write and review code in some form. There’s a massive opportunity to impact how software is built right from where the code is written using automation and intelligence, that not only improves developer productivity but also increases software’s robustness.
The Language Engineering team works on the source code analyzers, including both programming languages and configuration-as-code systems. As a member of the Language Engineering team, you will work on building the best, most comprehensive, Python analyzer in the world. You will add new rules and Autofixes for finding more issues with code and automatically fixing them. You will be involved with the Python community to understand the problems with static analysis tools in the ecosystem.
As a member of the Language Engineering team, you will:
-
Identify bad code practices in Python and write new analyzers to detect them.
-
Improve the coverage of automatically fixable issues.
-
Ensure fewer false positives are reported by the analyzer.
-
Work on the internal tools that support analysis runtimes.
-
Contribute to open-source static analysis tools.
We’re looking for someone who has:
-
Strong foundational knowledge in Computer Science.
-
At least 2 years of professional software development experience in Python.
-
Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
-
Familiarity with Python best practices followed in the industry.
-
Native experience with Linux/Unix environment.
-
A focus on delivering high-quality code through strong testing practices.
We offer competitive compensation with meaningful stock options, a generous vacation policy, and a workstation of your choice, to name a few of the perks.
Appristine Technologies. We are based in Pune and we are hiring for the following role.
1. PHP Developer – 2+ Years Exp.
Skill:-
- Strong skill level in PHP
- Intermediate skill level in HTML and CSS
- Intermediate skill level in JavaScript or JQuery
- Intermediate skill level in at least one server-side language (i.e. Java, Python, etc)
- Intermediate skill level with relational database systems (i.e. PostgreSQL, MySQL, etc)
- Intermediate skill level with a source control software (i.e. Git, SVN, etc)
- Good understanding of UI/UX design principles
- Strong technical and non-technical communication skills
- Good understanding of object-oriented programming








