[Hiring] Solution & Fullstack Engineer @Codest Ltd. Company No. 12590542, VAT number: GB363431020

Role Description

We are looking for an experienced Solution & Fullstack Engineer to join an innovative, AI-first engineering team working on solutions for a leading financial group in Japan. You will contribute to the development and evolution of a banking application serving as a cross-asset post-trade execution platform.

• Designing, developing, and maintaining end-to-end fullstack solutions using Python or Python & Java on the backend and JavaScript on the frontend.
• Building and enhancing modern, responsive user interfaces and integrating them with backend services and APIs.
• Developing scalable backend services, APIs, and application components.
• Taking ownership of technical solutions, from requirements analysis and architecture design through implementation and deployment.
• Working with PostgreSQL, including designing and optimizing database structures, queries, functions, triggers, and views.
• Leveraging AI-powered development tools and AI-assisted coding practices to improve development efficiency, code quality, and delivery speed.
• Exploring opportunities to incorporate AI-driven automation and innovative solutions into engineering processes.
• Building rapid prototypes, validating technical concepts, and delivering solutions in a fast-paced environment.
• Participating in technical planning, solution design, testing, code reviews, and architectural discussions.
• Collaborating closely with cross-functional, international teams to translate business needs into effective technical solutions.
• Identifying opportunities for continuous improvement, automation, and technical optimization.
• Promoting engineering best practices, clean code, maintainability, and modern software development standards.

Qualifications

• Advanced English communication skills, both written and spoken, for collaboration with international clients and teams.
• 5+ years of commercial experience in software engineering, preferably in fullstack or backend-oriented roles.
• Strong commercial experience with Python or Python & Java.
• Practical experience with JavaScript and frontend development using modern frameworks such as React, Vue.js, or Angular.
• Solid understanding of fullstack application architecture, including frontend-backend integration, REST APIs, and distributed systems.
• Strong experience with PostgreSQL, including database design, query optimization, indexes, views, functions, and triggers.
• Good knowledge of object-oriented programming, software design principles, and clean code practices.
• Hands-on experience with AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, or similar solutions.
• An AI-first mindset, with openness to leveraging AI tools, automation, and emerging technologies throughout the software development lifecycle.
• Ability to approach technical challenges from a solution-oriented perspective, considering business requirements, scalability, performance, and maintainability.
• Experience with CI/CD processes, version control systems, and modern software development practices.
• Strong problem-solving skills, independence, and willingness to take ownership of technical solutions.

Requirements

• Experience developing applications in banking, fintech, or financial services.
• Familiarity with AWS or other cloud platforms.
• Experience with Docker and containerized applications.
• Knowledge of Linux operating systems.
• Experience with TypeScript and modern frontend architectures.
• Familiarity with microservices architecture and event-driven systems.
• Experience with AI agents, agentic coding workflows, or AI-powered development automation.
• Experience designing technical solutions from scratch or contributing to architectural decisions.

Benefits

• 18000-26000 PLN on B2B contract.
• 100% remote work (but we have offices in Krakow and Warsaw and we’re happy to meet there from time to time).
• A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them!

Recruitment Process

• 30 minute screening call online with our recruiter.
• 45min-1h technical call with one of our engineers.
• 1h call with the manager.
• Offer.