Senior Software Engineer

BOLD

. Build microfrontend apps from the ground up and maintain existing ones .

Posted 9/21/2026full-timeRemote • PolandSenior💰 PLN 17,000 - PLN 19,208 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and maintaining microfrontend applications using the CSR TypeScript + React stack, with a strong focus on code quality, user experience optimization, and architectural decision-making in monorepo environments. Proficient in collaborating with cross-functional teams and guiding less experienced colleagues while delivering high-availability B2C applications.

Highest-signal resume keywords

Microfrontend Application DevelopmentCSR TypeScript + React ExpertiseMonorepo ArchitectureUser Experience OptimizationFeature Flag Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Microfrontend DevelopmentTypeScriptReactFrontend Best PracticesCode Quality MaintenanceDebuggingA/B TestingConditional RenderingArchitectural Decision-MakingVector Embedding Solutions

Soft Skills

CollaborationCoachingProblem-SolvingCommunicationCustomer-First Thinking

Tools & Technologies

GrafanaFaroAlloyLoki

Industry Keywords

High-Availability ApplicationsB2C ApplicationsContinuous IntegrationRolling Production DeploymentsMixed-Owership Environments

Tech Stack

Tools & technologies

GrafanaReactTypeScript

About the role

Key responsibilities & impact

Build microfrontend apps from the ground up and maintain existing ones
Embed microfrontend apps within host codebases to provide a great user experience
Collaborate with Lead and Principal Engineers on monorepo architecture
Support different deployment styles and use cases
Maintain code quality through code reviews and automated-check improvements
Provide guidance and share knowledge with less experienced colleagues
Work primarily on CSR frontend apps, with occasional SSR and orchestration-layer backend services
Meet with business stakeholders to discuss goals and requirements
Analyze designs in Figma and plan work
Set boundaries for responsibilities delegated to other teams
Act as a proxy for other developers, guide their work by example, and resolve blockers
Participate in team rituals and proactively solve problems and communicate
Deliver two-week sprint work through continuous integration and rolling production deployments

Requirements

What you’ll need

At least 4 years of experience developing high-availability B2C applications
Deep understanding of, and good intuition for, the CSR TypeScript + React stack
Expertise in frontend best practices, readable/extensible/maintainable code, performance-aware decisions, and user experience optimization
Experience using the listed libraries and tools
Ability to model and reason about multi-purpose monorepo codebases and make architectural decisions
Product-driven, customer-first thinking
Experience debugging static and runtime issues in mixed-ownership environments
Experience implementing and maintaining feature flags, A/B tests, and extensive conditional rendering
Ability to reason through technical decisions with other engineering teams
Maturity to guide and coach others
Spoken and written English at least B2 level
Spoken and written Polish at least C1 level
Experience with Grafana, Faro, Alloy, and Loki
Experience architecting and implementing vector embedding-based solutions for medium to large volumes of text
Willingness to implement agentic AI workflows

Benefits

Comp & perks

Private healthcare (Medicover, medical-only or medical with dental care individual package, 100% paid by BOLD)
Mental health support and resources
Multisport Plus card (individual package, 100% paid by BOLD)
Udemy Business access
100% remote work
Flexible work hours
Workation (up to 10 working days a year within EEA)
Equity in Company
Optional office spaces in Warsaw, Krakow, Wroclaw, Gdansk, or Poznan
Home office reimbursement (one-time equipment purchase, internet reimbursement)
Benefits cafeteria platform
Generous amount of tokens for GitHub Copilot