Senior Full Stack Engineer

• Own significant parts of the manager-focused product experience end to end
• Build and launch Toggl 2.0, a consolidated planning, time tracking, and time intelligence product
• Take projects from problem to production and own technical approaches for major features
• Break work down, sequence it, and ship incrementally
• Make technical decisions and manage tradeoffs
• Keep work visible, flag risks and delays, and unblock work independently
• Build fast, accessible, and readable planning views, dashboards, and reports for dense data
• Design data models and API layers
• Profile, measure, and improve slow queries and renders
• Write maintainable code with appropriate test coverage
• Shape product solutions and challenge requirements
• Partner with product managers and designers, prototype early, and identify edge cases
• Participate in user tests, review feedback, and use data to guide development
• Conduct purposeful code reviews
• Mentor engineers and participate in interviewing
• Identify shared components and duplicated work across Product Tribes
• Use AI tools for exploration, prototyping, code generation and review, debugging, research, and writing
• Collaborate in team meetings scheduled between 11:00 and 16:00 UTC

• Significant experience building and shipping production web applications end to end
• Ability to lead major projects
• Comfortable across frontend and backend development
• Deep practical knowledge of JavaScript, TypeScript, React, and modern CSS
• Experience with state management and side-effect handling in large applications
• Strong backend fundamentals, including API design and relational data modelling
• Proficiency in at least one backend language
• Experience with relational databases and query performance
• Willingness to adopt and quickly become comfortable with Golang
• Experience with data-heavy product surfaces, performance, readability, and data visualization principles
• Hands-on use of AI tools as a core part of development
• Excellent written and verbal English communication skills
• Willingness to contribute through code review, mentoring, and interviewing
• Must be based between UTC-4 and UTC+4
• Nice to have: TanStack, frontend caching, eventual consistency, capacity planning, scheduling, reporting, complex B2B SaaS products, distributed or microservice systems, infrastructure/infrastructure as code, CI/CD pipelines

• Freedom to choose when and how much you work—we only measure results
• 24 days of paid time off a year, plus your local holidays
• Unlimited sick leave
• In-person meetups for team-building (expenses covered)
• 4-6 weeks paid sabbatical (depending on tenure)
• Laptop budget up to 2,500€ renewed every 3 years
• €2,000 home office setup budget and an additional €300 every year after 3 years of tenure
• €3,000 per year for co-working space membership and/or internet service at home
• €4,000 per year contribution for training, workshops, and conferences
• €2,400 per year contribution for equipment or services to improve and/or maintain physical and mental health
• Support for buying tools needed for best work, including eyeglasses if needed