4x Senior Frontend Developers positions with a major financial services company in Krakow. The team focuses on developing front office sales and trading applications for an exciting microservice platform, utilising cutting-edge technologies to support Rates and Credit business areas.
 
Contract: B2B, 6 month rolling - 4 year project
Location: Krakow
Pay rate: up to 1700 PLN per day
 
Your Role:
Part of a scrum team working on delivering business value through software
Implement and deliver high-quality software solutions
Demonstrate skills in working with trading desks and other teams in the bank
Understand business requirements and translate them into code
Design, build and maintain efficient reusable code
Build and maintain unit/integration/functional/non-functional testing framework
Provide technical direction and system architecture
 
Essential Requirements:
Strong Proficiency (5+ years) in the following technologies: React, TypeScript, JavaScript ES2020, HTML5, CSS3
Experience with NodeJS, NPM, PNPM
Excellent problem-solving and analytical thinking
Self-starting attitude and the desire to take ownership of requirements from start to finish
Proactive, comfortable working in dynamic environments with fast-paced deliveries and changing requirements
Excellent communication skills
 
Nice-to-have Requirements:
Experience in using Redux, Redux-Saga, AG-Grid, LESS/SASS, NodeJS and Lodash
Understanding of FP, OOP, REST APIs, real-time data-streaming and messaging systems, agile development processes, and automation technologies for testing and CI.
Investment banking/financial services domain knowledge is a big plus
 
 
 

Senior Java Engineer – Strategic Trading Platform

Location: Poland / Remote

About the Platform

Greenfield project, building a next-generation trading platform currently in beta, designed to serve a large and demanding population of market traders. It’s strategic to our business and built for high performance, resilience, and configurability. Intraday Risk platform, built with Event Driven architecture, Kafka.

Tech Stack:

• Backend: Java, Kafka, Hazelcast

• Frontend: React-based web UI

• Data: ClickHouse, Postgres

• Analytics: Internal quant library

Profile requirements:

• Candidate must have Risk Intraday experience

• Proven track record of developing Event-Driven platforms, with Kafka

• 'Engineer' not 'developer' mindset- A curious problem solver

About the Role

We are building a next-generation AI layer on top of a financial data platform—something no other organization has achieved at this scale. This is your chance to join a small, impactful team and work on greenfield projects that will redefine how professionals interact with massive datasets.

You’ll help us:

• Move from traditional keyword search to semantic search and NLP layers.
• Implement knowledge graphs and vector embeddings to handle hundreds of millions of time-series datasets.
• Build AI-driven reporting capabilities and lay the foundation for our long-term vision: an “Economist in a Box” capable of answering complex queries using advanced AI pipelines.

What You’ll Do

• Develop and maintain .NET-based applications for AI-driven financial solutions.
• Collaborate with AI specialists to integrate semantic search, knowledge graphs, and vector database technologies.
• Work on SaaS and desktop products delivering charts, graphs, and reports from massive datasets.
• Optimize performance for large-scale data processing and ensure secure, scalable integration of AI insights.
• Contribute to building models that generate machine-readable XML files for charts and reports.