Senior Full Stack Developer (Nest.js, PostgreSQL & Svelte) - Tietoevry Create (m/f/d)

Job Description

We are seeking experienced Senior and Lead Full Stack Engineers to join a high-impact team building scalable, user-centric web and mobile platforms. This role has a strong backend focus, particularly using Nest.js, PostgreSQL and TypeScript, while also contributing to frontend development with Svelte. 

Candidates with experience in similar frontend frameworks (e.g., React, Vue, Angular) are welcome — training in Svelte is available. 

Responsibilities

• Lead or contribute to backend development using Nest.js and TypeScript 
• Build and maintain scalable APIs (RESTful) and backend services 
• Work within a mono-repo architecture and follow CQRS design patterns (training available) 
• Contribute to frontend development using Svelte (training provided if needed) 
• Collaborate with cross-functional teams across CX, OPS, and Twilio Flex integrations 
• Ensure performance, security, and reliability across environments (Dev → QA → Staging → Prod) 
• Support automated testing and CI/CD pipelines 
• Mentor junior engineers and promote best practices 
• Stay current with emerging technologies and development trends 
• Senior Engineer: 6+ years of professional software development experience 
• Lead Engineer: 8+ years, including leadership of teams or projects 
• Strong proficiency in Nest.js and TypeScript 
• Experience with PostgreSQL (TypeORM preferred) 
• Familiarity with CQRS architecture and mono-repo workflows 
• Exposure to frontend frameworks (Svelte preferred; React, Vue, or Angular acceptable) 
• Experience with AWS services, CI/CD, automated testing, and agile workflows 

Requirements

• Excellent communication and problem-solving skills 
• Experience in healthcare tech or familiarity with standards like HIPAA, FHIR, or HL7 
• Exposure to Twilio Flex or similar communication platforms 
• Experience with Snowflake or other data platforms 
• Knowledge of AI-assisted development tools (e.g., GitHub Copilot) 

Preferred Qualifications

Additional Information

At Tietoevry, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion (tietoevry.com)