
What You'll Do
Maintain and extend existing payment modules, extensions, and plugins
Develop new modules, sample code, SDKs, and production code for merchants and partners
Help define requirements for 3rd party developer APIs and tools
Analyze/debug merchant and partner integration issues
Assist in building and maintaining a test environment for engineering and our partners to test new feature compatibility
Skills Required but not limited to:
Python, Django, Django Rest Framework.
AWS Services Including, CloudFront , S3, API
Gateway, Lambda, Step Functions, SES, DynamoDB ,
Serverless Framework
Fair understanding of building RESTful APIs
Strong understanding of front end technologies, such as JavaScript, Jquery , HTML5, and CSS3
Good to have experience with version control, docker , deployment pipelines, CI/CD
Backend Web Application Development
AWS Identity and Access Management principles SQL (MS SQL Server, PostgreSQL, AWS Aurora comparable)
GIT , JIRA, Agile / Scrum
Experience: 4-6 years

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Senior Full Stack Developer
About the Role :
Were looking for a skilled Full Stack Engineer (5-10 years of experience) who can design and build scalable web applications, own end-to-end features, and contribute to the technology powering Indias fastest-growing jewelry platform.
Youll work closely with product and design teams to bring seamless user experiences to life while ensuring robust backend systems.
Key Responsibilities :
- Design, develop, and maintain scalable web applications and APIs.
- Work across the stack - from front-end interfaces to backend logic and database layers.
- Collaborate with product managers and designers to translate requirements into high-quality code.
- Optimize application performance, security, and scalability.
- Drive code quality via reviews, best practices, and mentoring junior engineers.
- Improve system performance and reliability with monitoring, testing, and CI/CD practices.
- Contribute to architectural decisions and technology choices as the platform scales.
- Stay hands-on with coding while helping guide the technical direction of the team.
Qualifications :
- 5 - 8 years of professional experience as a Full Stack Developer.
- Strong expertise in JavaScript/TypeScript, with experience in frameworks like React.js or Next.js.
- Solid experience with Python (Django, FastAPI, or Flask).
- Solid understanding of relational databases (schema design, query optimization).
- Experience building and consuming REST/GraphQL APIs.
- Familiarity with Docker and containerized deployments.
- Hands-on experience with cloud platforms (AWS preferred).
- Understanding of microservices architecture.
- Knowledge of DevOps practices (CI/CD pipelines, monitoring, observability).
- Strong understanding of web performance, scalability, and security best practices.
- Excellent problem-solving, debugging, and optimization skills.
- Strong communication skills and ability to mentor other engineers.
Nice to Have :
- Background in Statistics, Computer Science, Economics, or related field.
- Exposure to Python or R for advanced analytics.
Whats in It for You :
- High ownership role in a fast-paced environment.
- Opportunity to work closely with the founding team and passionate professionals.
- Competitive salary with fast career growth and appraisals.
- Dynamic, collaborative, and politics-free work environment.
- Health insurance coverage.
Additional Details :
- Early-stage startup environment where achievements require effort, dedication, and passion.
- 6-day work week.
- Location : HSR Layout, Bangalore.
About Us
21 Knots is a design, engineering, and consulting firm providing services to the global maritime and oil & gas industry. In an industry constantly evolving due to dynamic regulations, economic fluctuations, and climate change mandates, we strive to deliver cutting-edge solutions with an unwavering commitment to excellence. Our comprehensive services are designed to create value for our esteemed clients while enabling them to achieve their business goals.
The Role
We’re looking for a skilled and motivated Software Developer to join our team at 21 Knots. Someone with backend development with a working knowledge of frontend technologies. The ideal candidate will have a strong command of backend frameworks such as Django, FastAPI, or Flask, and familiarity with frontend tools like HTML, CSS, JavaScript, and optionally React, Angular, or Vue. You will play a key role in building, maintaining, and optimizing scalable software solutions while collaborating with a team
Responsibilities
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- Optimize application performance and implement backend security best practices.
- Collaborate with frontend developers, designers, and cross-functional teams to deliver high-quality solutions.
- Write clean, maintainable, and well-documented code.
- Support basic frontend development tasks using HTML, CSS, and JavaScript.
- Work with modern frontend frameworks like React.js, Angular, or Vue (good to have).
What You’ll Need
Experience:
- 1–4 years of hands-on experience in backend development.
- Exposure to full-stack development environments.
- Experience working with RESTful APIs, databases, and cloud integration is a plus.
Education:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
Tools & Software Proficiency:
- Proficiency in Django, FastAPI, or Flask.
- Familiarity with PostgreSQL, MySQL, or MongoDB.
- Basic knowledge of frontend technologies: HTML, CSS, JavaScript.
- Exposure to Bootstrap or Tailwind CSS for responsive UI design.
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- Familiarity with cloud platforms (AWS, Azure, or GCP) and Agile/Scrum methodologies is an added advantage.
Skills & Competencies:
- Strong problem-solving and debugging skills.
- Understanding of RESTful architecture and secure coding practices.
- Ability to collaborate in a cross-functional environment.
- Good verbal and written communication skills.
Python/Django Developer will be responsible for implementing the relevant Server-Side Architecture for a Web Application based on the client's requirement for new and existing products. The primary focus will be on the development of software packages ensuring high quality and ease of usability to requests from various teams.
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- Strong programming skills in Python/Django
- Experience with Angular, JavaScript frameworks/libraries
- Hands-on experience with MySQL, PostgreSQL or other RDBMS
- Experience with Web application security and secure coding practices
- Strong Analytical thinking and problem-solving ability
- Familiarity with software collaboration tools - GIT
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- Identify and encourage areas for growth and improvement within the team.
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- Minimum of 2- 5 years of experience in Odoo Implementation & Development
- Specialized in ODOO.
- Programming Language: Python, BackboneJS, HTML5, BootstrapCSS
- Familiarity with some ORM (Object Relational Mapper) libraries
- Experience in Python web framework such as Django, Flask, etc.,
- Good Knowledge in any SQL database administration
- Understanding of the threading limitations of Python, and multi-process architecture.
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- Strong background in Object Oriented Programming
- Hands-on experience in PostgreSQL.
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Responsibilities and Duties
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We'll be offering Salary + Equity, as an early stage startup.
Languages/Frameworks/Technologies you will need to know:
• AWS
• Couch DB/MongoDB/SQL
• Angular 8/9
• Python Flask, Node.js
Experience levels: 4+ years. Previous leadership experience preferred but not necessary. These are guidelines, what’s most important for us is the candidate fit.
The responsibilities include -
1. Hiring a best-in-class engineering team
2. Working with bank partners to integrate APIs
3. Building a smooth and fast user experience
Salary no bar. Equity will be offered to the right candidate.













