Senior Full-Stack Developer

Sigma Software Group

Senior Full Stack Developer developing a scalable healthcare platform utilizing modern technologies. Working remotely with a European team on AI-powered cloud-native solutions.

Posted 7/29/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Full Stack web application development with a focus on Back-end architecture, AI integration, and microservices. Proficient in JavaScript, TypeScript, and cloud-native services, with strong analytical skills and the ability to collaborate effectively in cross-functional teams.

Highest-signal resume keywords

JavaScript ProficiencyTypeScript ProficiencyReact and Next.js ExperienceNestJS and Scalable API DesignMicroservices Architecture Understanding

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full Stack DevelopmentAI-Powered Feature ImplementationRESTful API DevelopmentCloud-Native ServicesMicroservices ArchitectureEvent-Driven ArchitectureApplication Security Best PracticesCI/CD ProcessesPostgreSQLDocker and Kubernetes

Soft Skills

Analytical SkillsProblem-Solving SkillsCollaborationIndependent Work

Tools & Technologies

FastAPISQLAlchemyPandasNumpyNATS.ioKeycloakGitORM ToolsCI/CD PipelinesAI/ML Integrations

Industry Keywords

PharmaceuticalBiotechHealthcareScientific ResearchRegulatory ComplianceComputational ModelingData VisualizationAnalytical Data

Tech Stack

Tools & technologies

CloudDistributed SystemsDockerGoJavaScriptKubernetesMicroservicesNext.jsNumpyPandasPostgresPythonReactTypeScript

About the role

Key responsibilities & impact

Develop and maintain modern Full Stack web applications with a strong focus on Back-end architecture and scalability
Design and implement AI-powered features and intelligent workflows
Build and operate reliable, secure, and scalable cloud-native services
Collaborate with product managers, UX designers, architects, and engineering teams
Participate in architecture discussions and technical decision-making
Develop and maintain RESTful APIs and service-to-service communication
Implement microservices and event-driven architecture patterns
Ensure application reliability, observability, security, and performance
Contribute to CI/CD processes and engineering best practices
Promote engineering excellence and AI adoption within development teams

Requirements

What you’ll need

At least 5+ years of commercial experience in software development
Strong proficiency in JavaScript and TypeScript
Hands-on experience with React and Next.js in production environments
Strong experience with NestJS and scalable API design
Commercial experience with Go OR strong experience with Python ecosystem technologies
Experience with FastAPI, SQLAlchemy, pandas, numpy, and related Python tooling
Solid understanding of microservices architecture and event-driven systems
Experience with PostgreSQL and ORM tools such as Prisma
Practical experience with Docker and Kubernetes
Experience with NATS.io or similar messaging technologies
Experience integrating IAM/SSO solutions such as Keycloak
Strong understanding of RESTful APIs and distributed systems
Knowledge of application security best practices
Experience working with CI/CD pipelines and Git
Strong analytical and problem-solving skills
Ability to work independently and collaborate effectively in cross-functional teams
Upper-Intermediate or higher level of English.
WILL BE A PLUS: Experience in pharmaceutical, biotech, healthcare, or scientific research domains
Experience working with computational or mathematical modeling platforms
Familiarity with AI/ML integrations in enterprise applications
Experience with regulatory or compliance-driven systems
Experience with scientific or analytical data visualization
Familiarity with R for research or analytical purposes

Benefits

Comp & perks

Employees can work remotely