Fullstack Software Engineer

Summary

Join Lokalise, a company revolutionizing localization, as a Staff Full Stack Engineer. You will lead the design and implementation of complex features, partner with various stakeholders, elevate engineering standards, mentor engineers, and identify opportunities to enhance the product experience. You will also resolve complex challenges, engage in high-impact decision-making, conduct technical research, and play a key role in recruiting. This is a full-time, remote position requiring legal authorization to work in specified European countries. The role demands significant experience in full-stack development, specific technologies, and strong collaboration skills. Lokalise offers competitive benefits, including a flexible work environment and various perks.

Requirements

• +2 years of experience as a Staff, Lead Engineer or similar level engineering role
• Proven ability to design, build and evolve scalable, maintainable full stack systems, with a strong understanding of architectural patterns and trade-offs
• Strong experience with modern backend technologies and architecture , paired with the ability to contribute confidently across the stack
• Deep expertise in JavaScript and TypeScript and solid experience building production-grade applications with React and modern web development tools
• Proficiency in working with relational and non-relational databases (e.g. MySQL, PostgreSQL, Redis, MongoDB ) and search technologies (e.g. Elasticsearch )
• Experience integrating and designing REST APIs and a clear understanding of backend–frontend communication patterns and security best practices
• Demonstrated experience in implementing and maintaining automated testing strategies ( unit, integration and e2e ) to ensure product reliability and maintainability
• Hands-on experience with Docker and familiarity with observability tools (e.g. New Relic, Sentry or similar) to ensure system health and performance
• Strong understanding of performance optimization techniques across the stack, with particular attention to backend performance and system scalability
• Exceptional collaboration, mentorship and communication skills. With a track record of supporting engineering growth, driving alignment and working effectively with cross-functional stakeholders in remote and fast-paced environments

Responsibilities

• Lead the design and implementation of complex features and systems across the stack, ensuring long-term scalability, maintainability and performance
• Partner with Product, Design and Engineering stakeholders to shape technical direction and ensure alignment with strategic priorities
• Elevate engineering and operational standards by identifying friction points and delivering impactful improvements that benefit beyond your immediate team
• Support the growth of engineers through mentoring, coaching and thoughtful feedback , fostering an inclusive and high-performing culture
• Spot opportunities to enhance the product experience and propose cross-cutting improvements that balance user impact and technical viability
• Resolve complex challenges across the frontend and backend (Such as performance bottlenecks, scalability constraints or architectural risks) setting the benchmark for technical quality
• Engage in high-impact technical decision-making across teams, including participating in the Architecture Forum to influence company-wide direction
• Conduct technical research and exploration to inform the engineering roadmap, contributing to innovation and future-looking solutions
• Play a key role in recruiting, interviewing and onboarding processes to attract, select and set up top talent for success

Preferred Qualifications

• Experience leading backend-heavy initiatives, including designing scalable architectures and integrating complex systems
• Familiarity with message queues (e.g., RabbitMQ, SQS ) and event-driven or distributed architectures
• Exposure to GraphQL, microservices, or domain-driven design (DDD) in production environments
• Contributions to open source projects or active involvement in the engineering community

Benefits

• Competitive salary and employee stock options plan
• Fully remote and flexible working hours
• Co-working budget
• Flexible vacation policy
• Equipment budget to set up your home office
• Learning & Development program
• Health insurance
• Wellness benefits
• Great startup atmosphere, team spirit, and team events