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The Codest
The Codest
51 – 200 Employees
ConsultingHealthcareLogistics
The Codest is an international software development company with its headquarters in the United Kingdom and technology hubs in Poland. It builds digital products and extends client engineering teams with experienced developers across backend and frontend development, cloud engineering, and data engineering. The company works with enterprises, scale-ups, and software vendors through project development and staff augmentation, including clients in fintech, e-commerce, and adtech.
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Full Stack Engineer, Python and JavaScript

Build AI-assisted banking software for The Codest’s financial-services clients, spanning Python backends and JavaScript interfaces. The role covers architecture, APIs, PostgreSQL, and responsive applications.

PLPoland
zł 18,000 – zł 27,000 / month
RemoteFull-timeMiddleSeniorEnglish RequiredBackend EngineerSoftware Engineer
AngularAWSCloudDistributed SystemsDockerJavaJavaScriptLinuxMicroservicesPostgresPythonReactTypeScriptVue.js

Description

  • Build and maintain full stack applications using Python or Python and Java on the backend and JavaScript on the frontend.
  • Create responsive interfaces and connect them to backend services and APIs.
  • Develop scalable backend services, APIs, and application components.
  • Guide technical solutions from requirements analysis and architecture through implementation and deployment.
  • Design and optimize PostgreSQL schemas, queries, functions, triggers, and views.
  • Use AI development tools and assisted coding workflows.
  • Investigate AI-based automation and new engineering approaches.
  • Create prototypes to test and validate technical ideas.
  • Contribute to technical planning, solution design, testing, code reviews, and architecture discussions.
  • Work with international, cross-functional teams to turn business needs into technical solutions.
  • Find opportunities to improve processes, automate work, and optimize systems.
  • Apply engineering best practices to produce clean, maintainable code using modern development standards.
  • Develop a banking application that serves as a cross-asset post-trade execution platform for a leading financial group in Japan.

Requirements

  • Communicate effectively in English, in writing and conversation.
  • Bring at least five years of commercial software engineering experience.
  • Have strong commercial experience with Python.
  • Have practical JavaScript experience and frontend development experience with React, Vue.js, or Angular.
  • Understand full stack architecture, frontend and backend integration, REST APIs, and distributed systems.
  • Have strong PostgreSQL experience, including database design, query optimization, indexes, views, functions, and triggers.
  • Know object-oriented programming, software design principles, and clean coding practices.
  • Have hands-on experience with AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, or similar tools.
  • Bring an AI-first approach and openness to automation and emerging technologies.
  • Have experience with CI/CD, version control, and modern software development practices.
  • Be a capable problem solver who works independently and takes ownership.
  • Answer an EU citizenship question during the application process.
  • Preferred: experience in banking, fintech, or financial services; AWS or another cloud platform; Docker; Linux; TypeScript; microservices; event-driven systems; AI agents; or architectural decision-making.

Benefits

  • Work in a collaborative setting that supports professional growth.
  • Influence technical decisions and experiment with emerging technologies.
  • Use AI development tools, coding assistants, and modern automation in engineering workflows.
  • Collaborate with international, cross-functional teams.
  • Complete recruitment online.
  • Choose whether to consent to consideration for future recruitment.

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