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BlackLine

Cloud-based SaaS for financial close

Software Engineer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeKraków, PolandNo salary listed

About the Job

Requirements

  • Demonstrated expertise using AI-driven development tools such as Cursor and Claude to improve software engineering velocity and quality.
  • Experience designing, building, and deploying production-grade, scalable, and secure SaaS applications.
  • Proficiency in C#, with a deep understanding of software architecture, data structures, and algorithms.
  • Experience contributing to projects from requirements through successful launch.
  • A solid foundation in modern software development practices, including CI/CD, automated testing, and infrastructure-as-code.
  • A strong observability mindset, including logging, metrics, and distributed tracing across microservices.
  • Excellent written and verbal communication skills, with comfort working across time zones.

Responsibilities

  • Take ownership of features from concept to production, writing clean, performant, and well-tested code for a mission-critical enterprise application.
  • Use agentic development tools such as Cursor and Claude to accelerate the design, coding, and testing lifecycle for the team.
  • Participate in the design and implementation of scalable, robust, and maintainable solutions for the core SaaS platform, ensuring the long-term health of the codebase.
  • Partner with product managers, designers, and other engineers to refine requirements, contribute to the technical roadmap, and deliver value to customers.
  • Ensure systems are built with a focus on performance, reliability, and security to meet the demands of a global user base.
  • Work alongside senior engineers and architects, gaining exposure to enterprise-scale systems, design patterns, and best practices in a high-impact product.

Desired Qualifications

  • Experience building software in a regulated industry, such as finance or accounting.
  • Knowledge of cloud-native technologies and experience building applications on platforms such as AWS, Azure, or Google Cloud.
  • Familiarity with the principles of Responsible AI and how to apply them in a software development context.

About the Company

BlackLine

Cloud-based SaaS for financial close

BlackLine provides cloud-based financial automation tools for finance and accounting teams to automate and streamline the financial close process. It uses a SaaS platform that customers access via a subscription, with pricing based on users or transaction volumes, plus optional professional services for implementation and optimization. The product helps organizations automate tasks, enforce internal controls, and standardize close activities across multinational enterprises. Its goal is to improve efficiency, accuracy, and compliance in financial operations while generating steady recurring revenue through subscriptions and services.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Los Angeles, CA
Founded
2001

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