Senior Full Stack Engineer

Summary

Join LanguageWire as a Senior Full Stack Engineer and design, build, and maintain scalable web applications and backend services. You will work across the stack to deliver high-quality software, play a key role in architectural decisions, mentor other developers, and contribute to improving development practices. Collaborate with various teams, including Tech Leads, Product Managers, and other engineers. Responsibilities include designing user-centric features, building and maintaining full-stack applications, designing robust APIs, driving code quality improvements, and collaborating with peers. You will lead by example in code reviews and technical decision-making, embrace DevOps principles, and take ownership of your solutions. Success will be measured by leading feature development, improving architecture and dev practices, elevating engineering culture, contributing to a polished frontend experience, and establishing yourself as a trusted contributor.

Requirements

• Strong frontend development skills, with a focus on Vue.js and TypeScript
• Strong backend development skills using Python and FastAPI
• Strong understanding of scalable API design, REST principles, and microservices
• A motivational, proactive mindset with a collaborative “can-do” attitude
• Strong problem-solving skills and excellent communication abilities
• Solid understanding of software architecture, design patterns, and clean coding principles
• Hands-on experience with relational databases such as MSSQL or PostgreSQL
• Proficiency with DevOps tooling: CI/CD pipelines, Docker, Helm, Terraform, Kubernetes, and cloud services (Azure preferred)
• Familiarity with agile environments and experience participating in sprint planning, retrospectives, and code reviews
• A mindset of continuous improvement - both for yourself and for the systems you build

Responsibilities

• Designing and delivering high-quality, user-centric features that have real impact across our global platform
• Building and maintaining full-stack applications across UI, services, and databases
• Designing robust, secure, and scalable APIs for internal and external consumers
• Driving improvements in code quality, performance, and system architecture
• Collaborating with product, QA, and engineering peers to build scalable, maintainable applications
• Leading by example in code reviews, mentoring, and technical decision-making
• Embracing DevOps principles to ensure reliable delivery and monitoring of services
• Actively contributing to agile ceremonies and continuous team improvement
• Taking full ownership of the solutions, you develop - "you build it, you run it"
• Driving technical excellence and ensuring smooth dev-to-prod workflows
• Supporting tech leads and occasionally engaging in customer-facing discussions
• Setting up and maintaining CI/CD pipelines for fast, reliable, error-free delivery
• Ensuring observability through structured logging, metrics, and monitoring

Preferred Qualifications

• Proven track record shipping high-quality full stack features end-to-end
• Expertise in Vue.js, .NET, and scalable API design
• Strong focus on observability, performance, and operational excellence
• A team-first mindset with a passion for mentoring and clean code

Benefits

• For this role, we have a full-time FlexiWire@home option for remote work
• Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture
• International company with over 400 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg, Zurich, Atlanta, Finland and Valencia
• We take care of our people and initiate many social get-togethers from Friday Bars a to Summer or Christmas parties. We have fun!