Senior Frontend Software Engineer

  • Kraków, Poland
  • On-site
  • Full-time
  • Posted

on Luxoft's careers page

No Polish required
English
Fluent

Not mentioned in the job post: salary, visa sponsorship, relocation, where you can apply from

Project description

You'll be working in the Investment Bank IT (Agency Trading - Market Engineering Crew) team. Our role is to manage global applications, providing oversight, support, analysis, and solutions that implement a strategic architecture. This position is for a front-end developer to join the Agency Trading - Market Engineering team to make valuable contributions to both the existing platform and play a pivotal role in the build-out of our strategic middle office solution using the proprietary state-of-art low latency framework. We're a global team and work around the clock to provide best-in-class solutions. You are: • Able to deliver from conception through to production, streamlined, high-availability, high-performance, high-quality, well-tested, and easy-to-support software in a timely manner • Accountable with a strong sense of ownership of your system and will continually strive to improve it • Proactive about addressing any deficiencies, risks, and stability problems by helping to develop & refine software, tools, processes, procedures, and documentation • Focused on quality • Aware of ongoing technology trends and know pragmatically leverage their benefits • Quick learner • Comfortable working independently, as well as in a team-oriented, collaborative environment • Fluent in English

Responsibilities

  • Design, develop, and maintain modern, scalable web applications using React (17+) and TypeScript, with exposure to Angular where required
  • Build high-quality, reusable UI components with a strong focus on performance, accessibility, and maintainability
  • Collaborate closely with backend engineers to define and consume RESTful APIs, clearly communicating requirements and constraints
  • Translate business and product requirements into clean, intuitive user interfaces
  • Apply clean code principles and front-end best practices across the codebase
  • Write and maintain automated UI tests using React Testing Library, Cypress, and/or Playwright
  • Implement and maintain application styling using CSS3, Less, and CSS Modules, taking ownership of UI look and feel
  • Participate actively in agile ceremonies (Scrum/Kanban), including refinement, planning, reviews, and retrospectives
  • Perform code reviews and contribute to continuous improvement of front-end standards and tooling
  • Work closely with QA, product managers, and designers to ensure high-quality, business-aligned deliveries
  • Support and improve existing applications in a fast-paced, enterprise investment-banking environment

SKILLS

Must have

  • Expertise in HTML5 and JavaScript (ES).
  • Proven experience with React 17+, Typescript, Redux is a plus
  • Minimum 10 years of experience in React with Typescript proven track of engagement in long-term projects in React
  • Experience in testing UI applications (RTL, Cypress, Playwright)
  • Proficiency in CSS3/Less/CSS Modules (not being afraid to style applications).
  • Clean coding skills.
  • Excellent problem-solving abilities.
  • Experience in RESTful API design.
  • Familiarity with agile development practices (Scrum, Kanban, etc.).
  • Good communication skills and the ability to clearly state requirements for the backend team.

Nice to have

• Familiarity with AI-related concepts and components, such as skills, tools, MCP servers, and agent communication patterns.

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About Luxoft

Overview

Luxoft offers the full spectrum of enterprise technology services, from modernizing legacy IT systems to delivering digital transformation at scale.