Senior Backend Engineer

Job Title: Backend Engineer – Python (AI Backend)

Location: Bangalore, India

Experience: 1–2 Years

Job Description

We are looking for a Backend Engineer with strong Python skills and hands-on exposure to AI-based applications. The candidate will be responsible for developing scalable backend services and supporting AI-powered systems such as LLM integrations, AI agents, and RAG pipelines.

Key Responsibilities

• Develop and maintain backend services using Python (FastAPI preferred)
• Build and manage RESTful APIs for frontend and AI integrations
• Support development of AI-driven features (LLMs, RAG systems, AI agents)
• Design and maintain both monolithic and microservices architectures
• Optimize database performance and backend scalability
• Work with DevOps for Docker-based deployments

Required Skills

• Strong experience in Python backend development
• Hands-on experience with FastAPI / Django / Flask
• Knowledge of REST APIs and microservices
• Experience with AI applications (LLM usage, prompt engineering basics)
• Database knowledge: MongoDB, PostgreSQL or MySQL
• Experience with Docker and basic cloud platforms (AWS/GCP/Azure)
• Hands-on experience with Redis for caching and in-memory storage

Good to Have

• Experience integrating payment gateways (Razorpay, Stripe, PayU, etc.)
• Exposure to event-driven architectures using RabbitMQ, Kafka, or Redis Streams
• Kubernetes
• Understanding of model fine-tuning concepts

Strong Backend Engineer Profiles

Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment

Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)

Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices

Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)

Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows

Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Responsibilities and Duties:

• Expert in Python, with knowledge of Python web framework - Django
• Familiarity with backend automated testing tools and frameworks
• Experience with backend/API development
• Architect, develop and maintain backend libraries/codebase, database & server.
• Develop object-oriented software, with mastery of one or more relevant languages (Django).
• Evaluate competitive and innovative products and design approaches to identify best practices and encourage innovation.
• Understanding the requirement of a client, document the scope and chart out a plan of implementing the scope
• Work with design team to give inputs related to the wire-frames and then the design along with incorporating Client Feedback
• Explore the difference between B2B and B2C projects before implementing the code
• Work in teams of 2-3 on various projects as per the requirement using git as version control
• Having good knowledge of APIs creation and database architecture
• Good Grasp in respective technology (Django)
• Documenting the process and main functions along the developing process
• Design and develop highly scalable, highly available, reliable, secure, and fault-tolerant systems with minimal guidance for one of the fastest-growing companies in India.

Required Experience, Skills and Qualifications:

• 3-5 years of experience required
• Strong hand on Django-Python
• Excellent knowledge of using the Git version control system and deployment via Git.
• You have creative visualization, critical thinking, deductive & pragmatic reasoning and can think out-of-the-box
• Ability to quickly adapt & independently work in a fast-paced Agile environment with minimum supervision.
• A self-starter with demonstrated ability to take initiative, who can proactively identify issues/opportunities and recommend action.

Requirement:

• Min 2-3 Year Experience. Preferably in the E-commerce domain. 
• Proficient with both MySQL and NoSql Databases (Elastic, Mongo)
• Strong hold on  Python
• Experience with JavaScript/JQuery
• Ability to do software design for a enterprise web application
• Working knowledge of a MVC front-end framework
• Proficient in HTTP protocol, REST APIs, JSON
• Ability to do database design and modeling
• Proficient in OOPS concepts and writing code using classes
• Ability to write modular and clean code

Responsibilities   

• Understand the high-level product roadmap for the squad and immediate features to be developed, contributing to high-level estimation and lay-out of the development sequences. Complete complex development tasks with minimal guidance  
• Constantly and actively contribute to pushing code to production with the objective of becoming a main contributor. Write testable, efficient, and reusable code suitable for continuous integration and deployment, that respects best practices and industry development standards 
• Review Unified Modeling Language (UML) diagrams and technical documentation, ensuring its quality. Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.  
• Drive the adoption of best practices & regular participation in code reviews, design reviews, architecture discussions 
• Experiment with new and relevant technologies, and tools, and drive innovation & adoption while measuring yourself on the impact you can create. 
• Implementation of long-term technology vision for your team. Responsible for the complete architecture of your product. 
• Creating architecture & designs for new solutions around existing/new areas u Decide technology & tool choices for your team & be responsible for them. 
• Be accountable for code quality with the assistance of a QA Analyst to conduct adequate testing. 
• Review and contribute to technical documentation. Contribute actively to the design of the solution, challenging other members on technical decisions. 

Skills 

• Working with other TypeScript developers and software engineers to develop Front-end and back-end architecture that’s well-structured and flexible, along with the APIs to support it. 
• Developing and implementing Back-end architecture to support user interface concepts. 
• Developing and implementing highly responsive user interface components using Node concepts. 
• Create data visualization tools, libraries, and reusable code for prospects. 
• In-depth knowledge of TypeScript, CSS, HTML, and back-end languages. 
• Knowledge of Backend service like AWS Services, Microservice, Serverless software. 

Qualifications  

• Bachelor's degree in computer science, computer engineering, or related field. 
• Proficiency with TypeScript, CSS, HTML, and Back-end languages. 
• 7+ years’ experience in Node JS, Typescript, NoSQL, RDBMS, AWS Services 
• The ability to learn new technologies quickly 
• The ability to communicate complex procedures to other colleagues. 

• 3 years Willing to take efforts to advance in the technology or learn new technologies.
• Solid understanding of OOPs concepts.
• Willing to take efforts to advance in the technology or learn new technologies.
• Good communication skills and a continuous learner.
• Experience working on waterfall or Agile (Agile model preferred)
• Solid understanding of Python scripting and/or frameworks like Django, Flask Back up RRS.

We are looking for a Ruby on Rails developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Design, build and maintain efficient, reusable, and reliable Ruby code
• Integration of data storage solutions 
• Integration of user-facing elements developed by front-end developers with server-side logic
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automatization
•  

Skills

• Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side templating languages 
• Good understanding of server-side CSS preprocessors 
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools 
• Familiarity with development aiding tool familiarity with continuous integration

We are looking for a humble, but ambitious, razor-sharp engineering technical leader who can teach us a thing or two. We promise to return the favor. Like us, you take product development, cloud services research and platform engineering seriously; you’re passionate about technology and, even more so, about leadership. We embrace those who see things differently, aren’t afraid to experiment, and who have a healthy disregard for constraints. That’s where you come in.

We are currently seeking a Fullstack technical lead of core product development to help senior management drive the technical vision, architectural guidance and provide leadership for a team of software engineers in an innovative and fast-paced environment. Our selection process will emphasize hands-on engineering and other technical or architectural skills as well as leadership/management/SDLC process/organizational skills equally. The ideal candidate must be a master of their domain and be able to contribute as an individual contributor (software engineer and architect) half of the time. Furthermore, the ideal candidate must be able to improve SDLC and Scrum processes or inspire, champion and teach his / her team when the need arises. We are looking for a rare mix of intelligence, integrity, domain knowledge, verbal and written agility, and diplomacy which allows you to rapidly earn the trust of technically astute engineers.

mail resume fullstack @ theintegrityglobal.com

• Responsible for championing persistence, business logic and other back-end layers architectural and SDLC process strategy as well as the planning and successful execution of said strategy
• Effectively balance technical leadership and software engineering individual contributor responsibilities
• Directly or indirectly drive projects and provide architectural and technical leadership in an innovative and fast-paced environment
• Continually retrospect and drive innovation within the back-end development process to ensure our software engineers execute at the highest possible level
• Hire, onboard, develop and manage back-end and user interface engineers
• Manage technical debt 
• Responsible for execution of SDLC processes to include sprint pre-planning/planning, retros, demos, architecture and code reviews
• Work closely with the rest of the tech leads, data scientists, senior engineering leadership and product managers to ensure we're building awesome, feature-rich, scalable and secure product and features
• Work closely with the rest of the tech leads and senior engineering leadership team to ensure we're building the highly reusable codebase
• Provide mentoring and guidance to junior engineers. Create an environment for engineers to continually reach new heights within their career

• The ability to take technical ownership of assigned projects from high-level project scope down to details of the individual class and API design
• Experience in a product-based environment, balancing the competing priorities of project management, and your development team
• Developed Java-based server-side solutions such as JEE and Spring
• Solid experience and passion for working with data structures and data model
• Proficiency in Hibernate and SQL
• Passion and commitment to work in a start-up environment.
• Experience of working in an Agile environment.
• Developed solutions using AWS services. 
• Developed scalable and distributed solutions
• Experience with JavaScript, ReactJS/ AngularJS, Docker, relational databases
• Experience with AWS services like EC2, Lambda, RDS, Redshift, S3, Kinesis, EMR
• Excellent oral and written communication skills

• Bachelor’s degree in engineering from a reputed institution. Master’s degree preferred. 
• 9+ years of full-stack development experience
• Experience in leading software development teams before, ideally using Agile Scrum methodology