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Core AI Backend Engineer – LLM Fine-Tuning
You know that moment when you don’t just debug code — you train a model, fine-tune it, and suddenly it understands your domain better than you expected? That’s the kind of magic we’re looking for.
We’re building something that turns chaotic social video data into crystal-clear business intelligence. Not just another API — but AI-backed architecture fine-tuned to our world. Systems that marketing teams thank you for, because they feel the intelligence, not just the infrastructure.
Either you feel the craft when you read this, or you don’t. This isn’t just another backend role. This is where you bring together scalable systems and cutting-edge LLMs to build something the world hasn’t seen before.
Who We Are
We’re a small, global team that ships fast. Every line of code and every model choice affects millions of video analysis requests.
Our engineers don’t just build APIs — they architect solutions, they optimize at scale, and now, they fine-tune models to make AI work in the real world. Our CPTO still codes. Our senior engineers make complexity look effortless. Our backend team sets a standard that others ask how we move so fast.
What We Need
We need someone who’s lived both sides of this life:
- Backend excellence: building high-scale, high-performance systems.
- LLM fine-tuning: hands-on with open-source models, not just calling APIs.
Someone who can sit with a requirement at 2pm and by 6pm not only has endpoints working, but also has a fine-tuned model running behind them — customized to our use case.
Your Craft
- JavaScript/TypeScript & NodeJS as core backend tools.
- Next.js for full-stack where needed.
- Rust when performance is non-negotiable.
- Golang/Python as comfortable tools of choice.
- MySQL/Postgres/Redis — wielded with intention.
- AWS ecosystem — your playground, not your puzzle.
- LLM/AI integration you’ve actually shipped.
- Open-source LLM fine-tuning experience:
- Bringing in open-source models (LLaMA, Mistral, Falcon, etc.).
- Fine-tuning/adapting them for specific domains.
- Optimizing for inference cost, latency, and accuracy.
The Reality
The work is beautifully complex. The scale is real and growing. The problems are the kind that wake you up at 3am with solutions.
If you get your energy from building backend systems and adapting LLMs to make them smarter for real-world use, you’ll probably fall in love with what we do. If you’re only interested in APIs without touching models, this won’t be your thing — and that’s completely okay.
How to Apply
If you’re reading this thinking “finally, a team that actually cares about real AI engineering” — we’d love to see something you’ve built.
Not just a resume. Show us your craft:
- An LLM fine-tuning repo.
- A domain-adapted model you worked on.
- A system design where you combined backend and AI.
- Or even a short write-up or voice note explaining what you’ve fine-tuned.
We’re genuinely excited to see what you’ve done and have a meaningful conversation about whether this could be magic for both of us.
PHP LAMP Developer [Min 4 Years, Location Chennai, Great Pay]
Are you excited about building products that will be used by millions of Indians? Do you love solving real technology problems of scalability, security, and world-class products?
Then being a PHP Developer is a perfect role.
We are looking for individuals who are really passionate about technology and have strong knowledge of PHP and MySql. We are using latest technology stack from CI / CD to React to microservices. With CashKaro's recent $10mm fundraise, we are looking to grow 10x. This can be a great career move to accelerate your own growth.
Location: Chennai
About CashKaro
We are India's No 1 Cashback platform and a leading marketing partner to most of India's biggest e-commerce companies, including Amazon, Flipkart, Myntra, etc. We have recently closed a $10mm series B round. Our fun culture, superb team spirit and work-hard play hard approach make us one of the best start-ups to work at.
We offer best in class salaries, ESOPs and a really great working environment.
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Ideal candidate
• Minimum 4+ years of web development experience using PHP and MySQL (LAMP stack). Should be currently working on PHP or PHP related frameworks
• The candidate should be a hands-on developer. So, the candidate’s current roles should involve coding and development.
• Should have worked on developing microservice architecture.
• Should be very strong technically and understand web development in theory and practice and full software life cycles
• Should be extremely passionate to work and implement new and different technologies and should come up with new initiatives to scale up the project.
• Should have the know-how of the key technologies that could also be implemented like, ReactJs, CDN, Redis
• Candidate should be able to show examples of their work and explain their role in the projects and understand how it was developed
• Strong SQL development skills writing fine-tuned queries, stored procedures, triggers etc. and design skills (data normalization, foreign key constraints, indexes, etc.)
• Experience using MVC frameworks.
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About CashKaro and What Makes Us a Great Place to Work:
We are India's No 1 Cashback platform and a leading marketing partner to most of India's biggest eCommerce companies, including Amazon, Flipkart, Myntra etc. We have recently closed a $10mm series B round and looking to make the 10x scale jump now. So joining us right now ensures a great experience and to really make an impact!
Energetic Start-up Environment - Work with a passionate and energetic team that is driven by hustle, comradeship, and togetherness.
Good Compensation & Benefits – Best-in-class salaries to highly competitive ESOPs along with great learning work environment, we offer you a place full of opportunities to customize your career trajectory.
An Environment for Innovation - We create a culture for innovation by giving an employee the prowess to create, make and innovate.
Great Culture & Lots of Benefits - From medical insurance, well-defined policies to Flexi WFH options, scrumptious lunch to some amazing learning and development sessions- we've got your back. Our culture allows you to thrive, express yourself and really find a home.
Designation: Tech Lead
● Location: Bandra West, Mumbai, India
● Position Type: Full-time, Permanent
Company Description
Brown Living (www.brownliving.in) is a platform focused on making Sustainable Living Easy, Accessible, and Affordable. As India's first plastic-free marketplace, we promote a sustainable and earth-friendly lifestyle. Our team curates a wide range of everyday-use products that are
ethically sourced and promote minimal waste. We support artisan groups and sustainable brands dedicated to creating a positive environmental impact. Through our platform, we are building India's largest ecosystem for sustainable living and empowering artisans, women entrepreneurs, and innovators to combat plastic pollution.
Role Description
The Tech Lead is responsible for providing technical leadership and direction to the technology team. This role involves overseeing technology projects, setting the technology strategy, and ensuring the smooth operation of digital assets. The ideal candidate will have a strong technical
background and the ability to translate business requirements into technical solutions.
Key Responsibilities:
■ Lead and manage the technology team (currently outsourced).
■ Oversee all technology-related projects and initiatives, ensuring timely delivery and adherence to quality standards.
■ Develop and implement the technology strategy and roadmap aligned with business goals.
■ Manage the development, maintenance, and optimization of the website, e-commerce platform, and other digital assets.
■ Ensure technology solutions are scalable, reliable, secure, and compliant with industry standards.
■ Collaborate with cross-functional teams to understand their technology needs and provide effective solutions.
■ Stay up-to-date on emerging technologies and industry trends to identify opportunities for innovation.
Key Result Areas (KRAs):
● Successful delivery of technology projects within budget and timeline.
● Improved website and e-commerce platform performance and user experience.
● Enhanced system reliability, security, and scalability.
● Effective collaboration with cross-functional teams to meet business objectives.
● Development and implementation of a robust technology roadmap.
● Increased efficiency and productivity of the technology team.
Required Qualifications and Skills:
● Bachelor's degree in computer science engineering, or a related field.
● Proven experience in a technical lead role.
● Strong technical expertise in web development, e-commerce platforms, and related technologies.
● Ability to translate business requirements into technical solutions.
● Excellent project management and organizational skills.
● Strong leadership and team management abilities.
● Problem-solving and analytical skills.
● Ability to stay up-to-date with emerging technologies.
● Tech Stack:
○ Frontend: Angular 18
○ Backend: Nodejs
○ Database: MySQL
○ AWS: S3, ECS, Lambda etc
Note: This role offers an exciting opportunity for a young professional who is passionate about technology and making a positive impact in the sustainability space. Based in Mumbai, India, the successful candidate will join a collaborative and passionate team dedicated to driving innovation and positive change at Brown Living.
How to Apply:
Interested candidates can apply online via the job application form available here - https://docs.google.com/forms/d/e/1FAIpQLSdgb8MMrZX0STJb1Nt63jizdYccAxTQWbAmFAt4YcoAJBJlmg/viewform
Read More:
1. Website - https://brownliving.in/
2. About Brown Living’s Mission & Vision - https://brownliving.in/pages/about-us
3. Meet the Brown Living Team - https://brownliving.in/pages/our-team
4. Work with Us - https://brownliving.in/pages/work-with-us
5. The Brown Lens Curation Method - https://brownliving.in/pages/the-brown-lens
6. Brown Living’s Impact - https://brownliving.in/pages/our-impact-plastic-free-carbon-neutral-shopping
Software Engineer
Required Qualifications
- Overall 2+ years’ experience developing web applications
- Experience with
- C#
- NET Core
- Entity Framework
- At least one of the following two databases
- Microsoft SQL Server
- PostgreSQL Server
- Docker
- Google Cloud
Responsibilities
- Hands on coding, systems analysis, design and delivery of projects assigned.
- Completes assigned projects in a timely manner.
- Keeps management informed of project progress and problems, particularly as to needed changes in schedule, resources, or product.
- Responds to problems in a timely, effective manner.
Bonus Points
- Familiar with CI/CD pipeline
- Experience working with something other than the Microsoft stack (Python, Java, Scala, Go etc.)
Job Description
Title:- Backend Developer
About us:-
If you think back to your school or college days, the best memories you have are those with your friends! Your first day in college, your best friend, your dorms, hanging in the corridors, your school canteen, all nighters before exams & chilling for weeks after exams - our school lives are filled with so many awesome interactions, experiences & memories. In each of them you’re with a friend, never alone! Humans always have, and will always continue to learn from one another. We are a social learning platform that allows us to learn the way we learn best – socially
It is a network of after-school learning centres meant for inspiration, collaboration, and holistic growth. We encourage children to explore what works best for them. It is our belief that every child deserves the space and opportunity to explore & create. Learning happens best in person, but there is an opportunity to make this experience 10X via modern centres, technology, and powerful communities! We're a mission driven organisation trying to build a network of such learning centres and with empowered teachers in every neighbourhood of our country!
Responsibilities :-
We are looking for a Python(Django) Web Developer responsible for managing the interchange of data between the server and the users. Writing reusable, testable, and efficient code. Design and implementation of low-latency, high-availability, and performance applications. Expert in Python, with good knowledge of Python web framework Django. Understanding of fundamental design principles behind a scalable application.
Skills:- Python, Django, Websockets, storage systems
About SuperK
We are re-imagining how Bharat’s neighbourhood retail, the unorganized Kirana stores of today will get transformed into organized convenience retail chains over the next decade - we are driving this change.
SuperK is a well-funded early-stage startup that offers a full-stack solution to empower small format retail stores in Tier 2 and below towns. SuperK is rebranding existing small format retail stores and providing them with the benefits of procurement, tech systems, intelligence, and marketing at scale to create a chain of mini supermarkets. Some parallels can be drawn to how Oyo has transformed the small hotel industry, Medplus & Apollo have changed pharma retail and BigC & others have changed offline mobile buying.
What you will be doing
- Working closely with the Engineering lead to contribute to deciding the backend as well as frontend system architecture for products used by consumers, retailers, and other stakeholders.
- Stay informed about the product strategy; evaluate the feasibility of solutions proposed by PMs, estimate development effort, and help in planning the roadmap and individual features.
- Building the blocks of the entire system across multiple products on your own from the ground up with the freedom to try new things.
- Coordinate and collaborate with other developers to meet the timelines.
- Built systems that scale through software, contributing to the architecture and design.
What we would like to see in you
- 2-4 years of relevant experience as a full-stack engineer who has owned the entire stack of a product or a major module.
- Strong programming expertise in any of the JavaScript frameworks like NodeJS, ExpressJs, or Python frameworks like Django.
- Strong computer science fundamentals in OOPs, DS algorithm design and time complexity analysis.
- Experience in writing REST APIs
- Good understanding of relational databases and networking systems.
- Proficiency with at least one Object Oriented language(e.g Java, Python)
- Exposure to Cloud Platforms like AWS, Azure, or Google Cloud.
- Ability to work in an unstructured environment
- High enthusiasm and self-drive to build systems from the ground up.
- Focus on things that work compared to traditional conventions.
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Immedieate joiners are preferred or those who cn join withn 15-20 days. - B.Tech in Computer Science from premier institute (IIT/NIT/IIIT)or equivalent work experience - 2 years’ experience developing Backend systems - Good understanding of algorithms and data structures - Knowledge of Cache, Queues, NoSQL & RDBMS(Mysql) - Proficiency in PHP/Python/Ruby/Java - Experience with MVC architectural pattern / framework like Django, ROR, Node.js - Experience of object-oriented programming / modular programming - Ability to multi-task, work with ambiguity and quickly re-prioritizing responsibilities - Experience with Agile software development - Knowledge of testing performance & stability using tools - Experience with either Github or GitLab, Confluence, & Jira
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Professional experience required: Total experience: 2+ Years
Industry/Role experience: - 2+ years’ experience developing Backend systems - Experience with Agile software development
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Behavioral Attributes: - Must have excellent communication skills - Must be the ability come up with innovative ideas and out-of-the-box solutions - Must be willing to challenge conventional methods to achieve exponential results |

- You will hold the beacon for development and user experience at a company while helping us scale from 3 million users to 50 million users
- Build performance and effective new features by participating in the overall application lifecycle
- Build modular, reusable, performant, and optimal features both in frontend and backend
- Code, debug, troubleshoot, deliver
- Help maintain and improve existing data structures while planning and implementing new model data structures for scalability
- Continuously improve stability and performance of company’s tech platform
- Be the user’s voice and help make product decisions
- Exhibits knowledge and behavior to adopt Information Security and Privacy practices at their work.
- 1 - 4 years experience as a Full-Stack Developer
- In-depth understanding of the entire web development process (design, development, and deployment)
- Proficiency with Nodejs, MongoDB, AWS.
- Proficiency with front-end languages (e.g. HTML, JavaScript, and CSS)
- Team Building & Leadership
- Want to interact with all levels of the company including senior leaders and cross-functional teams
- Love problem solving and thrive on handling multiple projects and tasks
- Foster strong professional relationships with the full organization
- Sense of ownership and pride in your performance and its impact on the company’s success
Ideal candidate should be comfortable with Code Igniter, MySQL.
Additional Requirement - CI with installation process
Experience 3 to 5 yrs
Notice period- Immediate to 15 days
We are looking for a motivated PHP / Laravel Developer to come join our agile team of professionals.
If you are passionate about technology, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for!
We are offering superb career growth opportunities, compensation, and benefits.
Required Skills :-
Knowledge of MVC Frameworks - Laravel is a must
Previous working experience as a PHP / Laravel developer for 1 or 2 year(s)
Basic JavaScript, HTML5, and CSS3 Bootstrap
A web application development background
OOP principles
Experience with Relational Databases like MySQL
Problem-solving skills.









