01
TRCI-26-04702
Senior Frontend Engineer (Feature Development)
Contract Frontend Engineer role in Krakow (6–8 years) focused on end-to-end ownership of frontend features: translating product/UX requirements into responsive, maintainable UI, integrating with backend APIs, handling edge states (loading/validation/error/empty), and ensuring quality through code reviews, documentation, and a strong automated testing approach (unit/component/integration/E2E). The role also emphasizes accessibility, performance monitoring/improvements, and production support/root-cause defect investigation while collaborating closely with Product, Design, QA, and DevOps in an agile delivery process.
Position summary
- Location
- Poland
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 6 years and Maximum 8 years
Role overview
Why This Role Matters.
Contract Frontend Engineer role in Krakow (6–8 years) focused on end-to-end ownership of frontend features: translating product/UX requirements into responsive, maintainable UI, integrating with backend APIs, handling edge states (loading/validation/error/empty), and ensuring quality through code reviews, documentation, and a strong automated testing approach (unit/component/integration/E2E). The role also emphasizes accessibility, performance monitoring/improvements, and production support/root-cause defect investigation while collaborating closely with Product, Design, QA, and DevOps in an agile delivery process.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
Translate product requirements, UX designs, and acceptance criteria into working software.
03
Take ownership of defined features from backlog refinement through development, testing, and release.
04
Break down moderately complex requirements into clear, manageable technical tasks.
05
Integrate frontend applications with backend services and APIs.
06
Handle loading, validation, error, and empty states consistently.
07
Write clean, readable, reusable, and well-structured frontend code.
08
Create and maintain appropriate unit, component, integration, and end-to-end tests.
09
Participate actively in code reviews and provide timely, constructive feedback.
10
Follow agreed engineering standards and established frontend patterns.
11
Investigate defects and address underlying causes rather than only treating symptoms.
12
Maintain appropriate technical documentation for the areas you work on.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
frontend
Required
02
responsive design
Required
03
UI
Required
04
UX
Required
05
accessibility
Required
06
a11y
Required
07
inclusive design
Required
08
performance optimization
Required
09
API integration
Required
10
backend services
Required
11
loading states
Required
12
error states
Required
13
validation
Required
14
empty states
Required
15
unit testing
Required
16
component testing
Required
17
integration testing
Required
18
end-to-end testing
Required
19
E2E
Required
20
code review
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
Frontend feature development and ownership (refinement to release)
Responsive UI implementation across devices and browsers
Integration with backend services and APIs
Consistent handling of loading, validation, error, and empty states
Code quality: clean, readable, reusable, well-structured frontend code
Automated testing: unit, component, integration, and end-to-end testing
Code review participation and adherence to engineering standards/patterns
Defect investigation and root-cause analysis (not symptom-only fixes)
Accessibility standards and inclusive design practices
Frontend performance monitoring and optimization within owned area
Agile delivery participation (refinement, estimation, sprint planning)
Production support and release verification
Technical documentation for owned areas
Clear communication of progress/blockers/risks and collaboration with cross-functional teams
Preferred
Nice to Have
Experience collaborating with QA and DevOps to improve delivery/release processes
Mentoring/onboarding support for junior team members
Experience breaking down moderately complex requirements into technical tasks
Experience identifying and managing technical debt and reliability risks
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Senior Frontend Engineer (Feature Development)
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