
Backend Engineer III – Senior Python Developer (LLM & AI)
Location: Gurgaon, India
Positions: 1
Experience: 6 to 9 Years
Gurgaon Hybrid
About the Role
We are seeking an experienced Backend Engineer III / Senior Python Developer to join our AI engineering team and play a critical role in building scalable, secure, and high-performance backend platforms for LLM and AI-driven applications. You will work as a hands-on individual contributor while collaborating closely with Machine Learning Engineers, Data Scientists, Product Managers, and Cloud/DevOps teams to deliver innovative, production-grade AI solutions.
Key Responsibilities
- Design, develop, and maintain scalable backend systems and services using Python to support LLM and AI-based applications
- Build and maintain RESTful APIs and microservices that serve machine learning models and AI components
- Write clean, modular, efficient, and testable code following industry best practices and coding standards
- Participate actively in code reviews, ensuring high quality, security, and maintainability of the codebase
- Debug, profile, and optimize applications to improve performance, reliability, and scalability
- Identify and resolve performance bottlenecks in AI/ML pipelines and backend services
- Collaborate with ML engineers, data scientists, and product teams to translate business and technical requirements into robust backend solutions
- Mentor and support junior developers, promoting a culture of technical excellence and continuous learning
- Design and implement CI/CD pipelines and automate deployment workflows to ensure consistent and reliable releases
- Stay up to date with emerging trends in Python, cloud-native development, and LLM/AI engineering practices and apply them to improve systems and processes
Required Skills & Experience
- 6 to 9 years of strong hands-on experience in Python development
- Solid understanding of Python software design, architecture patterns, and testing best practices
- Proven experience working on AI, Machine Learning, or LLM-based projects
- Strong experience in building and consuming RESTful APIs and microservices architectures
- Hands-on experience with FastAPI, Flask, or similar model-serving frameworks
- Strong debugging, performance profiling, and optimization skills
- Experience with CI/CD tools and workflows (e.g., GitHub Actions, Azure DevOps, Jenkins, etc.)
- Working knowledge of Docker and Kubernetes is a strong plus
- Excellent analytical, problem-solving, and communication skills
- Ability to work independently in a fast-paced, evolving AI/ML environment while mentoring junior team members
Education & Certifications
- Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
- AWS or other relevant cloud certifications are preferred but not mandatory
Why Join Us?
- Work on cutting-edge AI and LLM platforms
- Collaborate with top-tier engineering and data science teams
- Opportunity to influence system architecture and technical direction
- Competitive compensation and career growth opportunities

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About the Role:
- We are looking for a highly skilled and experienced Senior Python Developer to join our dynamic team based in Manyata Tech Park, Bangalore. The ideal candidate will have a strong background in Python development, object-oriented programming, and cloud-based application development. You will be responsible for designing, developing, and maintaining scalable backend systems using modern frameworks and tools.
- This role is hybrid, with a strong emphasis on working from the office to collaborate effectively with cross-functional teams.
Key Responsibilities:
- Design, develop, test, and maintain backend services using Python.
- Develop RESTful APIs and ensure their performance, responsiveness, and scalability.
- Work with popular Python frameworks such as Django or Flask for rapid development.
- Integrate and work with cloud platforms (AWS, Azure, GCP or similar).
- Collaborate with front-end developers and other team members to establish objectives and design cohesive code.
- Apply object-oriented programming principles to solve real-world problems efficiently.
- Implement and support event-driven architectures where applicable.
- Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
- Write clean, maintainable, and reusable code with proper documentation.
- Contribute to system architecture and code review processes.
Required Skills and Qualifications:
- Minimum of 5 years of hands-on experience in Python development.
- Strong understanding of Object-Oriented Programming (OOP) and Data Structures.
- Proficiency in building and consuming REST APIs.
- Experience working with at least one cloud platform such as AWS, Azure, or Google Cloud Platform.
- Hands-on experience with Python frameworks like Django, Flask, or similar.
- Familiarity with event-driven programming and asynchronous processing.
- Excellent problem-solving, debugging, and troubleshooting skills.
- Strong communication and collaboration abilities to work effectively in a team environment.
Summary:
We are seeking a highly skilled Python Backend Developer with proven expertise in FastAPI to join our team as a full-time contractor for 12 months. The ideal candidate will have 5+ years of experience in backend development, a strong understanding of API design, and the ability to deliver scalable, secure solutions. Knowledge of front-end technologies is an added advantage. Immediate joiners are preferred. This role requires full-time commitment—please apply only if you are not engaged in other projects.
Job Type:
Full-Time Contractor (12 months)
Location:
Remote
Experience:
3+ years in backend development
Key Responsibilities:
- Design, develop, and maintain robust backend services using Python and FastAPI.
- Implement and manage Prisma ORM for database operations.
- Build scalable APIs and integrate with SQL databases and third-party services.
- Deploy and manage backend services using Azure Function Apps and Microsoft Azure Cloud.
- Collaborate with front-end developers and other team members to deliver high-quality web applications.
- Ensure application performance, security, and reliability.
- Participate in code reviews, testing, and deployment processes.
Required Skills:
- Expertise in Python backend development with strong experience in FastAPI.
- Solid understanding of RESTful API design and implementation.
- Proficiency in SQL databases and ORM tools (preferably Prisma)
- Hands-on experience with Microsoft Azure Cloud and Azure Function Apps.
- Familiarity with CI/CD pipelines and containerization (Docker).
- Knowledge of cloud architecture best practices.
Added Advantage:
- Front-end development knowledge (React, Angular, or similar frameworks).
- Exposure to AWS/GCP cloud platforms.
- Experience with NoSQL databases.
Eligibility:
- Minimum 3 years of professional experience in backend development.
- Available for full-time engagement.
- Please excuse if you are currently engaged in other projects—we require dedicated availability.
ROLES AND RESPONSIBILITIES:
You'll work closely with our team to implement best practices, improve our architecture, and create a high-performance engineering culture. Over a 6–9-month period, you'll also immerse yourself in game development, Unity, and C# to become a well-rounded technical leader in the gaming space.
- Drive maximum development velocity through direct involvement in development sprints, ensuring developers work as efficiently and effectively as possible.
- Lead and mentor a team of engineers, fostering a culture of technical excellence and continuous improvement.
- Drive architectural decisions that ensure scalable, maintainable, and high-performance game products.
- Foster a high-performance engineering culture aligned with ambitious goals, accountability, and proactive problem-solving.
- Implement and enforce engineering best practices (e.g., code reviews, testing, documentation) and the adoption of new tools, technologies including AI, and methodologies to optimize team efficiency.
- Transition our team to a high-performance culture aligned with our ambitious, venture-backed goals.
IDEAL CANDIDATE:
- 8+ years of software engineering experience with at least 3+ years in a technical leadership role
- Ability to reasonably estimate and plan tasks and features.
- Strong programming fundamentals and hands-on coding abilities
- Strong grasp of software architecture, TDD, code reviews, and clean coding principles.
- Proficient at profiling games to identify bottlenecks and performance issues.
- Experience building complex, scalable software systems
- Proven track record of driving architectural decisions and technical excellence
- Experience mentoring and developing engineering talent
- Strong problem-solving skills and attention to detail
- Excellent communication skills and ability to explain complex technical concepts
- Experience with agile development methodologies
- Bachelor's degree in computer science, Engineering, or equivalent practical experience
PERKS, BENEFITS AND WORK CULTURE:
- We foster a culture of continuous learning.
- We value talent and the ability for significant self-improvement.
- Honest feedback and transparency across all departments allow for rapid skill development.
- You will have the opportunity to work on an exciting new game development product with complete autonomy.
Strong AI & Full-Stack Tech Lead
Mandatory (Experience 1): Must have 5+ years of experience in full-stack development, including Python for backend development and React/JavaScript for frontend, along with API/microservice integration.
Mandatory (Experience 2): Must have 2+ years of experience in leading technical teams, coordinating engineers, and acting as a system integrator across distributed teams.
Mandatory (Experience 3): Must have 1+ year of hands-on experience in AI projects, including LLMs, Transformers, LangChain, or OpenAI/Azure AI frameworks.
Mandatory (Tech Skills 1): Must have experience in designing and implementing AI workflows, including RAG pipelines, vector databases, and prompt orchestration.
Mandatory (Tech Skills 2): Must ensure backend and AI system scalability, reliability, observability, and security best practices.
Mandatory (Company): Must have experience working in B2B SaaS companies delivering AI, automation, or enterprise productivity solutions
Tech Skills (Familiarity): Should be familiar with integrating AI systems with enterprise platforms (SharePoint, Teams, Databricks, Azure) and enterprise SaaS environmentsx
Mandatory (Note): Both founders are based out of Australia, design (2) and developer (4) team in India. Indian shift timings.
• 5 + years of hands-on experience in .NET, Angular and related Web technologies.
• 2 - 3+ years of experience designing and supporting Azure environments, including IaaS and PaaS
• Past experience in cloud computing and technology systems, as well as experience in designing and transferring applications to the cloud.
• Proven experience in Continuous Integration (CI) and Continuous Delivery (CD) as well as DevOps principles to achieve SDLC goals of Global Banking Technology
• Hands on experience using the Azure/AWS administration portal.
• Knowledge of at least one other cloud hosting solution (e.g., Azure, Google, AWS, Helion Cloud).
• Good hands-on experience in SOA, XML, WSDL, XSD, WSDL XML schema and namespaces (J2EE and .NET), MS .NET Framework, C#, HTML, Javascript, Micro Services/ APIs, Messaging, Threading, IBM DB.
• Have experience on development of container applications.
• Good knowledge of IBM DB. Should be comfortable writing stored procedures and user defined functions.
• Strong business knowledge of wealth management industry.
• Component / business object modeling, services modeling.
• Experience in building high concurrency, low latency 247 availability applications.
• Strong programming skills with emphasis on writing efficient algorithms to handle large data sets and processing.
• Understanding of HTTP, IIS and how the browser works.
• Ability to coordinate with various teams to deliver projects successfully.
• Knowledge of UML design.
• Knowledge of source control (preferably Git) and continuous Integration tools.
• Have working Knowledge of DevOps and best practices. Understanding of Major DevOps Tools and implementation for Source Control, Continuous Integration, Configuration Management, Deployment Automation, containers & Orchestration
• Experience in working in Agile framework.
• Good written and verbal communication skills.
Skills Desired:
• Financial markets, payment solutions or Wealth Management previous experience
Educational Qualification:
• Bachelor’s degree in Engineering preferred from an accredited college/university
The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.
Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.
Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.
Actively participates with other consultants in problem-solving and approach development.
Responsibilities :
Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.
Perform data analysis to validate data models and to confirm the ability to meet business needs.
Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.
Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.
Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.
Coordinate with Data Architects, Program Managers and participate in recurring meetings.
Help and mentor team members to understand the data model and subject areas.
Ensure that the team adheres to best practices and guidelines.
Requirements :
- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.
- Experience with Spark optimization/tuning/resource allocations
- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.
- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).
- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.
- Have a deep understanding of the various stacks and components of the Big Data ecosystem.
- Hands-on experience with Python is a huge plus
About Telstra:
Telstra is Australia’s leading telecommunications and technology company, with operations in more than 20 countries. At Telstra, We've implemented an IT strategy that employs leading-edge software engineering practices to help deliver a superior customer experience with improved trust and speed of delivery, lower cost, and simplified architecture, systems and processes.
Your key responsibilities and major tasks include, but are not limited to
- As a backend Java developer, you will work within a specific problem space critical to Telstra’s current needs where you will design, develop, and deploy backend services with a focus on scalability, high availability, and low latency.
- Review and integrate all application requirements, including functional, security, integration, performance, quality, and operations requirements.
- Apply engineering best practices such as Agile, CI/CD, and DevOps as part of a high performing motivated team.
- Collaborate and grow in a dynamic and autonomous environment while working in small, agile, and cross functional teams
- Pivot to working on new features and developments, to providing production support in the production and pre-production environments assisted by all team members. This responsibility is equally shared by all members of the team.
We are looking for candidates with the following experience and skills:
Essential skills and Experience
- 3 years – 7 years year experience in this area
- Must have strong Java programming background (preferably Java 8+)
- Preferred Frameworks – Spring Boot
- Unit Testing, Integration testing and Automated testing.
- Experience with Continuous Integration/Deployment
- Microservices development – HTTP, REST API design and implementation
- Comfortable to operate in an agile, dynamic environment.

What will you be doing
- Build scalable and loosely coupled services to extend our platform
- Build bulletproof API integrations with third-party APIs for various use cases
- Evolve our Infrastructure and add a few more nines to our overall availability
- Have full autonomy and own your code, and decide on the technologies and tools to deliver as well as operate large-scale applications on AWS
- Give back to the open-source community through contributions to code and blog posts
- This is a startup so everything can change as we experiment with more product improvements
About you
- Relevant Experience: Minimum 6+ Years
- You have prior experience developing and working on consumer-facing web/app products
- Hands-on experience in Python. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
- Experience in at least one of the following frameworks - Django, Flask, Falcon, web2py, Twisted, Tornado
- Working knowledge of MySQL, MongoDB, Redis
- Good understanding of Data Structures, Algorithms, and Operating Systems
- You've worked with core AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- You can dabble in Frontend codebases using HTML, CSS, and Javascript
- You love doing things efficiently.The works you will have a disproportionate impact on the business. We believe in systems and processes that let us scale our impact to be larger than ourselves
- You might not have experience with all the tools that we use but you can learn those given the guidance and resources
What do Microsoft, The Gap, Royal Bank of Scotland, Lockheed Martin, and top Open Source projects like JQuery have in common? They all use BrowserStack, as do over 25,000 other customers!
BrowserStack is the industry-leading, cloud web and mobile testing platform that enables developers to test their websites and apps on different operating systems and mobile devices. Since launching in 2011, our mission has been bold yet simple: To be the testing infrastructure for the internet. 6 years and billions of tests later, we are ready for our next phase of hyper growth. Bootstrapped for the first 6 years, we continue to be profitable since inception with a near exponential https://workable.com/nr?l=https%3A%2F%2Fwww.browserstack.com%2Fgrowth">growth in customers around the globe. Recently, we closed $50M in Series A funding from Accel
Are you are the one who wants to work on a tech-heavy product, and the challenging technical problems that it entails? Problems vary, and can be as diverse as scaling the product smoothly as the company grows, to setting up a device farm, or solving streaming issues through a browser, without the use of plugins. Will you be excited for the challenge to transform and think critically on many computer science disciplines including product design, usability, building APIs and user-centric online applications, business logic, scaling performance, and 24x7 reliability?
JOB RESPONSIBILITIES
- Writing high quality code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high quality documentation supporting the design/coding tasks
- Lead out team meetings, stand-ups, and architecture/design discussions
- Identify areas of improvement in our frameworks, tools, processes and strive to make them better. Evaluate our success metrics and evolve our reporting systems
- Works on the web application layer, backend, systems, streaming and other associated technology to build our product and components
- Find solutions and solve issues around a variety of operating systems or programming languages
- Researching new technologies and adapt them to BrowserStack requirements
- Own and commit to all your work, and be accountable for your results
- Using and understanding code from Open Source
- Teaching others how to use new software
- Willing to learn new programming languages and databases
- Able to write efficient SQL queries and design schemas for relational databases
- Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people (no lone wolves)
- Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration
- Develop multi-tier scalable, high-volume performing, and reliable user-centric applications that operate 24x7
- Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, write code, and deliver with speediness and quality
- Good experience in at least one scripting language: Ruby, Nodejs, Python, AppleScript, Unix shell or similar
- Familiarity with one compiled language: C, Java, Go or similar
- Good knowledge of operating systems and networking concepts
- Reasonable knowledge of Windows and/or Linux operating systems
- Ability to work on Windows and Linux platform below the application layer, including file systems, kernels, custom installations, shell scripting, internal APIs, etc
- Aggressive problem diagnosis and creative problem solving skills
- Startup mentality, high willingness to learn, and hardworking
- Experience of 3-6 years











