We’re looking for a developer who take pride in crafting solutions that help enterprises to growth. We are B2B Fintech in Payments, helping enterprises to improve financial operations:
- enjoy deeply understanding business problems before crafting solutions?
- find satisfaction in designing systems that bring order to complex business operations?
- take pride in building robust architectures that scale reliably?
- excel at modeling complex business processes into elegant data structures?
- someone who enjoys mastering your tools and continuously improving?
- detail-oriented with an eye for systematic approaches?
- comfortable owning projects from start to finish?
- drawn to building solutions that create order from complexity?
Here’s what makes our work different
We’re not just building a B2B software – we’re creating payment systems that transform how businesses operate. Our enterprise clients trust us to understand their complex processes and turn them into efficient solutions.
Join a team of other self-motivated individuals who excel at their craft. We take pride in the work we do and get excited about solving problems. We only hire self-motivated drivers and developers with lots of experience.
You’ll join a team that values…
- Deep understanding of business processes
- Time to think through solutions properly
- Consistent, high-quality execution
- Protected focus time for complex challenges
- Long-term reliability over quick fixes
Your Day-to-Day
- Design and build robust backends that power business transformation
- Create sophisticated data models that reflect complex business rules
- Develop reliable integrations between modern and legacy systems
- Build powerful APIs that connect disparate business systems
- Implement secure, scalable solutions for business-critical operations
Experience Required
- 5+ years programming experience with Python and/or 2+ years with Django
- Understanding of APIs (web services)
- Willingness to step forward and suggest ideas, comments, remarks
- Ability to communicate with clients and potential clients.
- Django REST Framework and AWS experience are nice to have, but we’re happy to help you with learning them on the job
- Experience building and maintaining large-scale applications
- Excellence in database design and optimization
- Understanding of complex data modeling and migrations
- Clear written communicator that prefers emails to meetings
- Portfolio showing systematic, well-structured work
Technologies We Use
- Core Technologies: Django Rest Framework, PostgreSQL, AWS Lambda
- Supporting Libraries: Pandas, OAuthlib (among many others!)
- Testing: strong testing culture with pytest
The Environment
- Stable, focused work environment
- Regular, predictable schedule
FAQ
Is this a full-time role?
Yes. Ideally this person would join us full time asap.
Can I work remotely full-time?
Yes. We also have an office in central London.
What’s the hiring process?
Very simple:
STAGE 1:
Short intro call to review the main points of the process and explain the technical exercise.
- You will need to either: (a) do a small project at home, or (b) you will share with us an interesting repo you have on GitHub (or another version control platform).
- Duration: [10-15 mins]
STAGE 2:
Your phone call will be with Ron Danenberg (Founder & CTO).
- This will be to find out more about your background and introduce you to Kolleno.
- We’ll want to hear about your greatest hits and why you’re proud of them.
- We’ll discuss your experience in depth and explain how growth and technology will work together at Kolleno.
- We will have a discussion about the code you wrote (exercise from step 1), and the technical challenges at Kolleno.
- Duration: [60 mins]
STAGE 3:
If you progress to the next stage, we will introduce you to key team members (lead frontend developer and CEO).
