
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.
In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.
What You’ll Do:
- Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
- Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
- Build reusable components and packages for future use.
- Translate specs and user stories into reviewable, test covered patches.
- Peer review code and refactor existing code.
- Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
- Manage Kubernetes and Docker based global deployment of our infrastructure.
Requirements We’re Looking for Someone With:
- Experience working with ORMs like SQLAlchemy or Django (2-3 years)
- Experience with SQL and databases (Postgres preferred)
- Experience in developing large server side applications and microservices
- Ability to create high quality code
- Experience with python testing tools (pytest) and test automation
- Familiarity with code versioning tools like GIT
- Strong sense of ownership and leadership quality
- Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Experience with ReactJS, Google Cloud, Heroku
- Cloud deployment and scaling experience

About Fulfil.IO
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Role Overview
We are seeking a Junior Developer with 1-3 year’s experience with strong foundations in Python, databases, and AI technologies. The ideal candidate will support the development of AI-powered solutions, focusing on LLM integration, prompt engineering, and database-driven workflows. This is a hands-on role with opportunities to learn and grow into advanced AI engineering responsibilities.
Key Responsibilities
- Develop, test, and maintain Python-based applications and APIs.
- Design and optimize prompts for Large Language Models (LLMs) to improve accuracy and performance.
- Work with JSON-based data structures for request/response handling.
- Integrate and manage PostgreSQL (pgSQL) databases, including writing queries and handling data pipelines.
- Collaborate with the product and AI teams to implement new features.
- Debug, troubleshoot, and optimize performance of applications and workflows.
- Stay updated on advancements in LLMs, AI frameworks, and generative AI tools.
Required Skills & Qualifications
- Strong knowledge of Python (scripting, APIs, data handling).
- Basic understanding of Large Language Models (LLMs) and prompt engineering techniques.
- Experience with JSON data parsing and transformations.
- Familiarity with PostgreSQL or other relational databases.
- Ability to write clean, maintainable, and well-documented code.
- Strong problem-solving skills and eagerness to learn.
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent practical experience).
Nice-to-Have (Preferred)
- Exposure to AI/ML frameworks (e.g., LangChain, Hugging Face, OpenAI APIs).
- Experience working in startups or fast-paced environments.
- Familiarity with version control (Git/GitHub) and cloud platforms (AWS, GCP, or Azure).
What We Offer
- Opportunity to work on cutting-edge AI applications in permitting & compliance.
- Collaborative, growth-focused, and innovation-driven work culture.
- Mentorship and learning opportunities in AI/LLM development.
- Competitive compensation with performance-based growth.

• Experienced in designing and integrating RESTful APIs
• Knowledge of Python
• Excellent debugging and optimization skills
SKILLS
• 3-5 years of experience building large-scale software applications and working with large
software teams.
• Bachelor’s degree in computer science, information technology, or engineering
• Experience designing and integrating RESTful APIs
• Knowledge of Python and Backend Development
• Experience building Web/Mobile applications
• Excellent debugging and optimization skills
• Unit and Integration testing experience
• Being knowledgeable about engineering processes and good practices
• Passionate about learning new tools. Ability to continuously learn and acquire
knowledge.
• Able to adapt to changing complexity of tasks.
- 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
- Have built applications capable of serving high volume with low latency in production
- Following practices of agile development with continuous integration/deployment
- Experience in deploying applications in AWS cloud
- Knowledge in building applications for Fintech/payments domain is a bonus
- Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
- Self-starter, hustler, and a desire to achieve greatness is a MUST
- Immediate joining preferred
- You will have the flexibility to design the application and systems from the ground up.
- Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.
The Backend Developer will be working alongside other Software Developers, Project Managers,
QA, Software Architects and DevOps in order to shape and implement the technology and product
deliverables that will drive forward the strategy of our venture
Key responsibilities include:
Working with the Team in building world class recommendation
Brain-storming and experimenting with new ideas for efficiently improving the service
Writing effective, low-latency and high-availability, and scalable Python codes.
Working with System Layered Services like Virtualization, Network Management and core
OS Technologies
Working on Creating Pipe-lines and Services necessary for Critical Real Time Systems
Required Competencies:
3+ years of experience with a track record of delivering quality results
Strong Knowledge in OOPS, Data Structures, Algorithms, Networking Concepts, OS
Concepts
Experience in successfully building Microservices, Server Services etc at scale
Experience in working with Cloud Technologies and possibly bare-metal hardware
Have knowledge on Virtualization, Kafka Streaming, Networking Protocols, Web Crawling,
Caching, Routing Algorithms etc
About Us:
• Rainbox a media-tech start-up, focusing on content aggregation, Search/Discovery &
recommendation.
• Our core Product is Oneplay, which provides universal search & discovery of contents across
multiple OTTs, Personalised Recommendations, Live TV Content Tracking & EPG and lots more,
becoming a single destination for all entertainment a user need.
• Oneplay’s newest project is the ‘Netflix of Gaming’: In past 5 years we have seen how OTT has
changed the overall media/entertainment industry, likewise the next entertainment viewership is
changing from watching live cricket to watching live game streamers. so looking at the market
trend our company is about to start cloud gaming.
Must haves
- At least 3 years of professional programming experience in Ruby on Rails.
- Solid fundamentals with software development, systems, troubleshooting, and teamwork
- Strong testing habits, passionate towards unit testing and TDD.
- Good understanding of RDBMS like MySQL, PostgreSQL
- Strong knowledge of git
- Good understanding of data structures
- Strong analytical and problem-solving skills
Good to have
- Experience with Javascript
Join the Insurtech revolution with PasarPolis! We're looking for exceptional talents to come help us leverage technology to disrupt the insurance industry. With the largest insurtech funding in the region and 3 Indonesian unicorns as part of our investors roster (Gojek, Tokopedia & Traveloka) we are disrupting the insurance industry by:
1. Creating easy to understand insurance products
2. Redefining how and where insurance products are purchased
3. Enabling simple and hassle-free claim process
We are also using machine learning, big data analysis, and data science to build automated risk assessment.
**Job Description**
• Development of backend services which power our products and taking responsibility for scalability and reliability of them.
• Translate and drive technology vision into action and world class product, as well as constantly solve problems and set strategy for our existing products as well as future product ideas.
• You are also expected to share knowledge to other engineers.
• Drive the business and help drive and focus execution in line with our core objectives.
• Work closely with QA Engineers for immediate bugs/issues resolution.
• Explore new techniques, technologies and software development approaches to improve existing system to keep up with the latest trend in software development
**Minimum Qualifications**
• Bachelor’s Degree in Computer Science or equivalent
• 3-6 years of experience in software engineering/development
• Experienced in Python + Django/flask, Golang
• Experienced in building REST API
• Exposure to developing apps using NodeJS, GoLang, Ruby on Rails, JavaScript, MySQL, MongoDB
• Familiar with application life cycle management tools such as JIRA, Bitbucket/Git, etc and also CI/CD tooling.
• Familiar with Agile Software Development and SCRUM.
• Familiar with Cloud Computing (AWS / Google Cloud).
**Required Skills**
• Python / GoLang / Ruby on Rails
• MySQL
• REST API






