Custom Application Development
Full-stack web applications engineered to your specifications. From requirements analysis and architecture design to deployment and ongoing optimization.
Hello, I'm
Andris Spalvis
Fullstack Developer
I design and build scalable web applications. .NET, Angular, Next.js, cloud infrastructure, and DevOps.
About Me
5+
Years Experience
10+
Projects Delivered
15+
Technologies
Fullstack developer based in Riga, Latvia. I design and build web applications across the entire stack — from databases and APIs to polished user interfaces. I deliver solutions that work reliably and scale.
Daily stack: .NET on the backend, Angular and Next.js on the frontend, PostgreSQL for data, and GitLab CI/CD for deployment automation.
Services
I help businesses build, automate, and scale their digital products. Here's what I can do for you.
AI Integration
Integrate AI and LLMs into your workflows. Custom AI agents, RAG systems, and intelligent automation tailored to your unique business needs.
Business Automation
Transform repetitive tasks into automated workflows. Reduce manual work, eliminate errors, and improve efficiency with custom automation solutions.
Telegram Bots
Custom Telegram bots for customer engagement, order management, notifications, and internal team automation.
Client Booking System
Customizable booking system with calendar, automated reminders, client management, and payment integration.
Infrastructure Setup
Production-ready infrastructure: cloud setup, CI/CD pipelines, containerization, monitoring, and deployment automation.
Optimization & Refactoring
Analyze, optimize, and refactor existing systems. Improve performance, reduce technical debt, and modernize legacy architecture.
Testing
Comprehensive testing: E2E, integration, performance, and load testing. Ensure reliability before production deployment.
Experience
DevOps Engineer / Senior Fullstack Developer
Baltic Software Factory
Riga, Latvia · Hybrid
Handwave — Biometric Payment Platform
Contactless payment platform using palm print recognition. Microservice architecture of 15+ services with gRPC, API gateways, and admin portal.
Arei.Sudatis — Information System
DevOps infrastructure, CI/CD pipelines, and backend development support.
LNAEP — Back-office & Front-office System
Built the back-office and front-office system from scratch. Mentoring and coordinating the development team.
CFLA.KPS — Background Job Processing System
Built a background job processing system. Government service integration and developer mentoring.
IeVP-IIS2 — System Web Migration
Migrated the system to web technologies, implemented new features, and managed production deployments. 2+ years.
RTU.EP42 — Latvija.lv e-Service
e-Service built with LVP.MVC components. E2E tests with Selenium, API load testing with K6, Grafana, and InfluxDB.
VUIS.EP184 — Latvija.lv e-Service
Migrated the e-Service to .NET 8 while maintaining compatibility and improving performance.
Full-stack Developer
Lightsoft Solutions
Riga, Latvia
IeVP-IDK — Integrated System
System architecture design, infrastructure setup from scratch, CI/CD pipelines, and leading a development team.
SUDAT Information System
System maintenance and new feature implementation.
Full-stack Developer
viaPro SIA
Riga, Latvia
E-Commerce Platform
E-commerce platform integrated with ERP-iScala. Node.js Express API for Microsoft SQL Server, React TypeScript frontend with MobX and Material-UI.
Tech Stack
.NET
High-performance APIs and microservices with ASP.NET Core, Entity Framework, and C#.
Java
Microservices and backend systems with Java 21, Spring Boot, and gRPC.
Angular
Dynamic, component-driven SPAs with TypeScript and RxJS.
Next.js
React applications with SSR and static generation, optimized for performance.
PostgreSQL
Relational database design, query optimization, and data management at scale.
MongoDB
Document-oriented databases, flexible schemas, and aggregation pipelines.
AWS
Cloud infrastructure: EC2, S3, Lambda, and managed services for scalable deployments.
DevOps & CI/CD
Docker, GitLab CI/CD, infrastructure as code, and automated deployments.
AI Engineering
AI for development productivity, custom MCP servers, and workflow automation.