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300Brains
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Fullstack Developer - Financial Services Integration & AI Customization
Poland
· Part-time
·
Entry
Fullstack Developer – Financial Services Integration & AI Customization
Part-time
FULL REMOTE
About Us
We are an international, Polish-American company called 300Brains, operating in the area of Information Technology with the aim of supporting international companies, primarily startups, in the implementation of their brilliant ideas.
What We Expect From You
What will you do with us:
Part-time
FULL REMOTE
About Us
We are an international, Polish-American company called 300Brains, operating in the area of Information Technology with the aim of supporting international companies, primarily startups, in the implementation of their brilliant ideas.
What We Expect From You
- Proficiency in JavaScript (Node.js) and React with strong TypeScript skills.
- Demonstrated expertise in working with AWS Cloud Services (e.g., Lambdas, CloudFormation, or Terraform) in a serverless/microservices architecture.
- Experience in building high-throughput APIs for managing large-scale third-party integrations, especially within Financial Services.
- Advanced understanding of NoSQL databases (MongoDB & DynamoDB).
- For AI-focused roles: Experience with NLP, LLMs (e.g., ChatGPT), and prompt engineering.
- Strong product engineering mindset with the ability to consider the business impact and user experience in every task.
- Ability to communicate openly and challenge assumptions constructively, especially during project discovery.
- Proactive, independent, and highly motivated approach to work.
- Excellent communication skills, with fluency in English (spoken and written).
What will you do with us:
- Develop and manage multiple third-party API connections, optimizing for scalability and efficiency.
- Implement solutions to handle large data volumes and manage rate-limiting effectively.
- Work on UI enhancements and full UI rewrites to improve user experiences.
- Develop and optimize backend processing flows within a serverless tech stack.
- Develop scalable models and tools to streamline AI-driven customizations.
- Collaborate with the Models team to create solutions enabling non-developers to manage customizations efficiently.
- 20 days of holiday per year.
- Access to a global team of innovators, providing a collaborative and inspiring remote work environment.
- We know that Man does not live by work alone, so we will finance your hobby
- Medical and sports benefits package
Key Skills
Ranked by relevance
ai
serverless
ui
javascript
react
typescript
aws
cloud
cloudformation
terraform
microservices
nosql
dynamodb
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Login to Apply
- Posted
- Oct 26, 2024
- Type
- Part-time
- Level
- Entry
- Location
- Warsaw
- Company
- 300Brains
Industries
IT Services
IT Consulting
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Junior React Frontend Developer
2025-06-13
Full-time
Entry
Poland
IT Services
Engineering
View Job Details
Related
Senior .NET Developer
2024-10-28
Full-time
Mid-Senior
Poland
IT Services
Engineering
View Job Details
Related
Full Stack Developer (m/f/d)
2026-06-17
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Engineering