Software Engineer Backend at Unravel Carbon · Remote, Bengaluru (Bangalore) · 0 - 4 years · ₹8L - ₹12L / yr (ESOP available) · Raised funding · Remote friendly · Posted 21 May 2025

ABOUT UNRAVEL CARBON
Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.
We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.
Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.
We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch.
Unravel Carbon was founded in 2021 with headquarters in Singapore.
Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/
ABOUT THE ROLE
We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.
A junior/mid-level backend software engineer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets. Must be passionate about climate-tech for a better future.
- Build backend server applications using Flask/DJango framework
- Collaborate with the data team to integrate data pipelines into our backend system.
- Collaborate with the front end team.
- Analyze processes and code to troubleshoot problems and identify areas of improvement.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Take lead on projects, as needed.
ABOUT YOU
- Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
- Meticulous and detail-oriented
- Required skills:
- Python Backend Development Frameworks (Flask, Django). Backend development in other languages/frameworks can be considered too
- NoSQL databases (MongoDB)
- SQL databases (MySQL, Postgres, DuckDB)
- Running/managing Linux servers on Cloud services (AWS/GCS/Azure)
- Optional skills:
- Front End Web development (ReactJS)
- Python data science tools (Pandas, Numpy, Scipy)
- Python NLP tools
YOUR WORK STYLE
- An understanding of agile product development
- Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
- Self-starter (proactive and independent) with an ability to prioritize different assignments and tasks to meet deadlines
- Comfortable working in a collaborative environment
- Eager to think outside of the box and creatively problem-solve
YOUR PREFERRED BACKGROUND
A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry.
WHAT WE OFFER YOU
We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organization.
We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.

About Unravel Carbon
About
Unravel Carbon is the climate platform helping companies with global supply chains make data-driven decisions.
Our platform provides enterprises with reliable insights on their emissions, enabling them to measure, reduce, and report with confidence.
Headquartered in Singapore, with offices in Australia and Vietnam, we serve customers across the globe.
We are trusted by companies across key sectors, including manufacturing, fashion, consumer goods, food and beverage, and financial services.
Our customers include leading enterprises such as Global Fashion Group, Big Dutchman, and AIA.
We are backed by some of the best investors, including Sequoia and Y Combinator.
Our calculation methodology is certified by TÜV Rheinland against the GHG Protocol corporate standard for Scope 1, 2, and 3 emissions, and the ISO 14064 series for GHG inventories.
We ensure data security with our ISO 27001 certification and SOC 2 Type 1 attestation.
At Unravel Carbon, we are driven by a powerful mission: to accelerate the world's progress toward a zero-carbon economy.
Our vision is to integrate climate-driven decisions into global business practices to leave a habitable world for future generations.
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Work mode – Onsite
Working Days – 5 days a week
Budget - 12-15 LPA
Work Experience - 2-5 years
Role Summary
We’re hiring Sr Backend Developers with strong full-stack Django expertise to own backend workstreams end-to-end and contribute to frontend development when needed. Hands-on Python/Django experience is essential.
(HTML, JavaScript, jQuery, CSS).
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Design, build, and maintain scalable backend services and APIs for Fuse-OS
Own medium-to-complex workstreams end-to-end: data models, APIs, background jobs, and light UI
wiring
Improve reliability, performance, observability, and maintainability of production systems
Apply sound engineering practices for multi-tenant SaaS (security, permissions, data isolation)
Collaborate closely with frontend, QA, and product/delivery to ship high-quality releases
Mentor other backend engineers through design discussions, pairing, and code reviews
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Support production troubleshooting and continuous improvement of engineering quality
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Solid experience with Django REST Framework, asynchronous job processing (e.g., Celery), Redis, and
PostgreSQL
Proven ability to design data models, write migrations, and ship maintainable APIs
Full-stack capability: HTML, JavaScript, jQuery, and CSS sufficient to complete UI wiring without blocking
frontend
Strong debugging skills across application, database, and background-job layers
Experience collaborating in Agile teams with clear quality standards and delivery cadence
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AWS familiarity (compute, storage, messaging, monitoring, IAM basics) — optional but strongly preferred
Experience with multi-tenant architectures, containers, and production SaaS operations
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Awareness of application security, RBAC, auditability, and privacy-by-design practices
Interest in AI-assisted product workflows and intelligent automation
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Opportunity to build a category-defining Insurance Distribution Operating System (Fuse-OS)
Work on modern multi-tenant SaaS architecture with meaningful ownership and mentoring
Collaborative product and engineering culture focused on quality and customer outcomes
Exposure to enterprise SaaS, AI-enabled workflows, and large-scale operational systems

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About the role
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Full-Stack Engineer (Backend Heavy)
Experience: 4–6 Years | Function: Engineering — Product | Location: On-site
About Us
We’re building the next generation of AI-powered business software, and we’re looking for people who want to shape that future with us. With Lumen, we’re reimagining how users interact with CRM — moving beyond screens, menus and dashboards to an intelligent interface where users can simply ask AI to take actions, retrieve knowledge, generate insights and get work done. With Agent Studio, we’re enabling businesses to build, test and deploy their own AI agents for real-world workflows. And with Invorto, we’re bringing AI to voice, allowing businesses to create intelligent voice agents tailored to their customer and operational use cases.
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About the Role
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Design and build backend services and APIs in Python that power core product and AI-agent features.
Build front-end interfaces and experiences that let users interact naturally with AI agents, insights and CRM workflows.
Own features end-to-end — from data modeling and backend logic to UI implementation, testing and release.
Work with product managers and designers to translate requirements into well-architected, scalable systems.
Integrate with LLM-based and agentic backend systems built by the AI/ML engineering team.
Optimize application performance, reliability and code quality across the stack.
Engage directly with customers and customer success teams to understand workflows, triage issues and inform roadmap decisions.
What We’re Looking For
4–6 years of professional full-stack engineering experience, with a clear backend-heavy skill set in Python.
Strong experience designing and building REST/GraphQL APIs, data models and scalable backend services.
Working proficiency with modern front-end frameworks (e.g., React) to build and integrate user-facing features.
Experience with relational/NoSQL databases, caching and cloud infrastructure.
Ability to move fast in a zero-to-one environment while maintaining code quality and system reliability.
Strong communication skills — this is a customer-facing role, and you will be expected to clearly articulate technical concepts, decisions and trade-offs to both technical and non-technical stakeholders, including customers.
Good to Have
Experience building features on top of LLM or AI-agent backends.
Prior experience in CRM, SaaS or enterprise business applications.
Exposure to real-time or voice-based product interfaces.
Proficient
Python Backend Development
Python, REST APIs, Microservices, FastAPI, Flask, Django, API Design, Authentication, Error Handling
Design, implement, and maintain scalable backend systems using Python frameworks. Build robust REST APIs, ensure secure authentication, and handle errors gracefully. Demonstrate expertise in microservices architecture and API design.
35
Proficient
React JS
React JS, Components, Hooks, State Management, API Integration, Responsive UI, Frontend Testing
Develop responsive and interactive user interfaces using React JS. Effectively use components, hooks, and state management. Integrate APIs and ensure frontend code is well-tested and maintainable.
30
Proficient
Gen AI / Agentic AI
LLMs, Agentic AI, LangChain, LangGraph, Google ADK, Semantic Kernel, Prompt Engineering, Tool Calling, RAG, Embeddings, Vector Search, Memory, Planning, Reasoning, Multi-Agent Systems, Guardrails, Azure OpenAI, Vertex AI, AWS Bedrock
Demonstrate hands-on experience with LLMs and agentic AI frameworks. Build, integrate, and optimize AI agents using modern tools and platforms. Show proficiency in prompt engineering, tool calling, RAG, embeddings, and multi-agent systems.
30
Advanced
Cloud & Deployment
AWS, Azure, GCP, Cloud Deployment, Containers, CI/CD, Application Hosting, Monitoring
Deploy applications to cloud platforms, manage containers, set up CI/CD pipelines, and monitor application health. Demonstrate familiarity with at least one major cloud provider.
2–4 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.
Strong analytical and debugging skills with the ability to solve complex problems.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Senior Full-Stack Software Engineer (SDE II), Flutter & Django, AM:PM
About AM:PM AM:PM is a pre-seed, venture-backed news platform built for short-form vertical video, for Gen Z and millennials who want to stay informed without sitting through a 40-minute panel. Mobile-first, video-first, small team, moving at startup speed out of Mumbai.
We don't have layers of bureaucracy or rigid corporate structure. We value velocity, high-agency execution, and pragmatic engineering. This is one of the first full-time seats on the core engineering bench, reporting directly to the CTO.
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Role Overview
- Position: Software Development Engineer II (Full-Stack)
- Type: Full-time
- Location: Remote / Hybrid
- Experience: 3 to 5+ years in production-grade software development
- Core stack: Flutter (iOS, Android, Web) | Python, Django, DRF | PostgreSQL | Redis | AWS/GCP | Docker
What you'll do
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- Build responsive, pixel-perfect UIs across iOS, Android, and Web from a single Flutter codebase
- Implement clean, maintainable frontend architecture using scalable state management (BLoC, Riverpod, or Provider)
- Optimize performance, memory footprint, render times, and smooth 60fps animations on low-end devices and browsers. On a feed-heavy, video-heavy app this is core product, not polish
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2. Backend and API engineering (Python / Django)
- Design, build, and document secure, robust RESTful APIs using Django Rest Framework
- Architect core backend workflows, background workers, and async task queues (Celery/Redis), including the feed, video, and content pipeline
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- Set up and improve CI/CD pipelines (GitHub Actions, GitLab CI) to ship to production multiple times a day
- Containerize with Docker and manage cloud deployments (AWS ECS/EKS, GCP Cloud Run, or DigitalOcean)
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- Build, test, and tear down MVP features fast based on user feedback and product analytics
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Who you are
- 3+ years professional experience building, scaling, and maintaining production-grade applications
- Deep Flutter and Dart mastery: cross-platform nuances, web engine optimization (CanvasKit vs HTML), local storage (Hive, Isar, or SQLite)
- Strong Django/Python: middleware, custom managers, signals, async programming
- Advanced PostgreSQL: clean schema design, migrations, indexing, slow query analysis
- Docker, basic Linux administration, and cloud services (AWS S3, EC2, RDS, CloudFront)
- Writes clean, testable code with unit, integration, and widget tests
Cultural fit
- High agency. You find a problem, map a solution, and execute without waiting for permission or perfect specs
- Pragmatic. You know when to write future-proof code and when to ship a safe, hacky solution to beat a deadline
- Clear communicator. Can explain technical trade-offs to non-technical founders
- Comfortable with chaos. Priorities shift fast based on market feedback
- Deep startup experience strongly preferred, ideally as an early engineer at a venture-backed startup. This role rewards builders, not MNC process operators
Bonus
- Early engineer (employees 1 to 15) at a fast-growing, venture-backed startup
- Real-time systems (WebSockets), video infrastructure (streaming, transcoding, CDN caching), or AI/LLM API experience
- Active GitHub, published Flutter packages, or live side projects that show build speed
What we offer
- Market-rate salary plus meaningful early-stage equity
- Complete ownership over major pillars of the stack, no micro-management
- Room to grow into Lead/EM or Staff/Principal as the company scales
- Flexible setup alongside a small, driven team of builders
We are looking for a skilled Full Stack Developer with 3+ years of experience in Python and React.js to join our engineering team. The ideal candidate should have strong experience building scalable web applications, developing backend APIs, and creating responsive frontend interfaces.
Key Responsibilities
- Develop and maintain full-stack web applications using Python and React.js.
- Build scalable and secure RESTful APIs using Django, Flask, or FastAPI.
- Develop responsive and user-friendly interfaces using React.js.
- Integrate frontend applications with backend APIs and third-party services.
- Work with databases such as PostgreSQL, MySQL, or MongoDB.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and follow software development best practices.
- Collaborate with UI/UX designers, QA engineers, DevOps, and other developers.
- Write unit and integration tests to ensure application reliability.
- Use Git/GitHub/GitLab for version control.
- Contribute to system design, documentation, deployment, and continuous improvement.
Required Skills
- 3+ years of professional experience in Full Stack Development
- Strong hands-on experience with Python
- Strong experience with React.js
- Experience with Django / Flask / FastAPI
- Good understanding of JavaScript, HTML5, and CSS3
- Strong knowledge of REST APIs
- Experience with PostgreSQL / MySQL / MongoDB
- Good understanding of Git and version control
- Strong knowledge of OOP, data structures, and software development concepts
- Experience with debugging and performance optimization
- Good problem-solving and communication skills
Good to Have
- Experience with TypeScript
- Knowledge of Next.js
- Experience with AWS / Azure / GCP
- Knowledge of Docker and Kubernetes
- Understanding of CI/CD pipelines
- Experience with microservices architecture
- Exposure to AI/ML or GenAI applications is a plus
Education
Bachelor’s degree in Computer Science, IT, Engineering, or a related field.









