team.blue

Backend Engineer

• Design, develop, and maintain backend services and APIs using Ruby on Rails.
• Implement new features for the SaaS platform, write clean and maintainable code, and ensure the scalability and performance of the application.
• Contribute to backend architecture decisions, improve system scalability, and optimize database queries and search performance using Elasticsearch.
• Collaborate with product, frontend, and DevOps teams to deliver high-quality features.
• Participate in code reviews, maintain testing standards, contribute to CI/CD processes, and support best engineering practices within the team.

Senior Backend Developer

Product Designer

• Own the end-to-end design process from discovery to delivery.
• Conduct user research, map user journeys, and design flows.
• Create pixel-perfect interfaces that align with Kolsquare’s brand identity.
• Partner with Product Managers and Engineers to define problems and validate ideas.
• Contribute to and evolve Kolsquare’s design system for consistency and rapid iteration.
• Facilitate design workshops and present concepts to stakeholders.

Senior Product Designer

Attorney

• Provide structured legal advice to Product and Engineering on a broad range of requests;
• Support and maintain ISO certification processes (ISO 27001 or equivalent) - including gap analysis, audit preparation, and keeping internal documentation current;
• Research, track, and synthesise regulatory developments - primarily EU digital law (GDPR, ePrivacy, DSA, Data Act, AI Act) and their equivalents in key non-EU jurisdictions;
• Draft and review DPAs, inter-company contracts, and policy documents;
• Manage or coordinate data subject rights workflows across brands and jurisdictions;
• Collaborate with product and engineering teams to translate regulatory requirements into actionable technical specifications;
• Contribute to the design and review of AI-assisted legal features within our products - including consent logic, legal basis mapping, and automated compliance flows;
• Over time, help build and validate legal reasoning components that can be integrated into product pipelines;
• Evaluate new product features and third-party integrations from a privacy and regulatory standpoint before launch.

Legal Compliance Expert, Tech

Data Scientist

• Break down multi-domain business problems with a strong focus on return on investment and impact metrics, and think through the appropriate technical methods from POC to production
• Develop solutions and extract insight from data using data science and classical machine learning methods and generative AI (GenAI)
• Take ownership of developing, implementing, and automating robust data science and ML models and pipelines, including feature generation, modeling, evaluation, retraining and deployment
• Translate sophisticated analytical findings and model outcomes into clear, actionable insights for stakeholders, demonstrably driving value and improvements in key business metrics
• Collaborate with cross-functional teams to understand requirements and deliver innovative Data Science/ML/AI solutions
• Conduct research on the latest Data Science/ML/AI developments and apply them to improve our systems
• Document processes, code, and findings for future reference and knowledge sharing

Senior AI Data Scientist

Growth Marketing

• Define and execute the communication, engagement, and conversion strategy for the Hub.
• Own the full growth lifecycle across the Hub surface.
• Shape cross-brand journeys, in-product messaging, and conversion experiments.
• Design and iterate cross-brand notifications, in-product CTAs, onboarding nudges.
• Build and execute multi-channel user communication programs across email and in-product messaging.
• Define hypotheses, run A/B tests, analyse results, and scale what works.
• Instrument tracking, monitor funnel and engagement metrics.
• Use analytics, automation, and AI-assisted tools to support experimentation.

Senior Marketing, Growth Strategist

Product Manager

• Own product decisions for the squad’s current scope, with the authority and judgment to move work forward.
• Prioritize and sequence the squad backlog week by week, balancing impact, feasibility, and dependencies.
• Write clear user stories, success metrics, product briefs, and written specifications.
• Work closely with Design, Engineering, Data, and other product peers to shape solutions and drive execution.
• Coordinate cross-squad dependencies and ensure decisions are documented clearly.
• Represent the squad in key operating rituals, including weekly demos, monthly readouts, and quarterly planning/strategy reviews.
• Contribute to visibility on squad capabilities, product gaps, and execution risks.
• Track product outcomes and continuously refine direction based on evidence, usage, and feedback.

Senior Product Manager

Chief of Staff

• synthesize and maintain a single Hub roadmap across all squads
• drive the Hub’s operating rhythm, cadence design, and async-first writing culture
• prepare leadership and Board communications
• coordinate cross-squad product and operational decisions
• partner with the Hub lead on strategic questions
• support downstream hiring

Human Resources

• Responsible for HR administration and personnel data (e.g., contracts, personnel files, HRIS systems, time tracking)
• Interface to payroll, including preparation, verification and communication of payroll runs
• Monitoring and control of time tracking, ensuring compliance with working time regulations
• Managing the entire employee lifecycle (onboarding, development, offboarding)
• Independently conduct the full recruiting process (job postings, screening, initial interviews)
• Ensure employment law compliance (including IT collective agreement/IT-KV, working time regulations, agreements, etc.)
• Maintain and improve HR processes and policies (e.g., onboarding, performance management)
• Implement HR projects (e.g., employee surveys, employer branding, compensation topics)
• Serve as point of contact for employees and managers on employment law and organizational matters
• Prepare, analyze and improve HR reporting and key metrics

HR Generalist

Customer Support

• Establish a relationship of trust with every customer who contacts us, representing the values of the company
• Provide first level support on domains, email, hosting, dedicated and virtual servers and website creation tools. Accompany the customer until his questions are fully answered
• Detecting the needs of our customers, advising them on the purchase of new products
• Commercial attitude
• Follow up with customers in need of support and technical assistance by email, chat and/or telephone
• Escalate queries that cannot be resolved to the second level support team

Customer Service Support, Native Swiss German

• Responsible for all HR matters at maxcluster in Paderborn and serve as the HR interface to Hypernode in Arnhem
• Lead and develop your two direct reports in Germany
• Responsible for the apprenticeship/trainee program
• Manage operational HR tasks: contracts, payroll, absence management and compliance with employment law requirements
• Act as HR Business Partner for managers at both locations
• Serve as a strategic sparring partner to executive management and the leadership team
• Actively lead and support change initiatives
• Build and further develop HR processes and structures
• Responsible for Compensation & Benefits

HR Director

• Proporcionar asistencia al cliente a través del correo electrónico y teléfono
• Resolver inquietudes y problemas técnicos

Customer Service Support, Swiss German

• Je beantwoordt vragen van klanten en adviseert over extra service of producten die hun ervaring verbeteren.
• Het analyseren van de wensen en behoeften van klanten.
• Identificeren van mogelijkheden voor cross-selling en upselling.
• Het opbouwen van duurzame klantrelaties.
• Het garanderen van een positieve klantervaring bij elk gesprek.