I build secure SaaS platforms, cloud infrastructure, and observable backend systems.

Current professional engagements are presented with their overlapping dates and engagement context.

1. Current professional engagement

   March 2026 – Present

   B2B consulting engagement · Remote from Tirana, Albania

   Senior Software Engineer — B2B Consultant

   ISA Consulting Group L.L.C.

   Senior full-stack B2B consultant delivering two legal-tech SaaS products across backend services, frontend applications, cloud infrastructure, and third-party integrations.

   • Build and enhance a greenfield multi-tenant platform for FOIA, DSAR, and public-records request management, with tenant isolation enforced through PostgreSQL Row-Level Security.
   • Develop backend services and REST APIs using Python, FastAPI, async SQLAlchemy, PostgreSQL, and Redis, alongside accessible and internationalized React and TypeScript interfaces.
   • Work with SAML, OIDC, passwordless email OTP, public search, agency dashboards, document workflows, scheduled background processing, and third-party legal-data integrations.
   • Deliver full-stack functionality for an established e-discovery platform using Ruby on Rails, React, TypeScript, Elasticsearch, MongoDB, MySQL, Redis, and Sidekiq.
   • Use an AI-assisted Spec-Driven Development workflow with Claude Code and MCP integrations, while retaining engineering responsibility for specifications, architecture, validation, code quality, testing, and production readiness.

   • Python
   • FastAPI
   • Ruby on Rails
   • React
   • TypeScript
   • PostgreSQL
   • Elasticsearch

2. Concurrent current engagement

   February 2023 – Present

   Tirana, Albania

   Software Developer

   Lufthansa Industry Solutions sh.p.k

   Deliver backend and full-stack enterprise applications, AWS infrastructure, deployment automation, observability, and production-reliability improvements.

   • Design, develop, test, deploy, and maintain enterprise applications using Java, Go, TypeScript, Spring Boot, React, and Next.js.
   • Implement infrastructure as code using AWS CDK and CloudFormation, including Amazon ECS deployments and supporting AWS resources.
   • Build observability capabilities using OpenTelemetry, AWS X-Ray, CloudWatch, Grafana, and Micrometer.
   • Implement distributed tracing, trace-correlated structured logging, application and infrastructure metrics, operational dashboards, alerts, and CloudWatch alarms.
   • Maintain CI/CD workflows and investigate production incidents, performance issues, application defects, and dependency vulnerabilities.

   • Java
   • Go
   • Spring Boot
   • AWS
   • AWS CDK
   • OpenTelemetry
   • CloudWatch

3. Previous experience

   May 2020 – February 2023

   Tirana, Albania

   Software Developer

   Tetra Solutions Sh.p.k

   • Developed and maintained enterprise applications using Java, Spring Boot, Spring Security, Hibernate, JPA, and React.
   • Designed REST APIs, application layers, and relational database models.
   • Implemented event-driven functionality using Apache Kafka.
   • Worked with PostgreSQL, MySQL, Oracle Database, and SMPP integrations.

   • Java
   • Spring Boot
   • Spring Security
   • Hibernate
   • JPA
   • Maven
   • Apache Kafka
   • React
   • PostgreSQL
   • MySQL
   • Oracle Database
   • SMPP

• Multi-tenant legal-tech SaaS delivery

  Context

  Development of legal-tech SaaS products covering public-records request management, secure tenant isolation, authentication, search, document workflows, and integrations.

  Contribution

  Backend services, frontend functionality, REST APIs, authentication flows, search experiences, document workflows, and integration work.

  Engineering decisions and constraints

  • Strict tenant isolation through PostgreSQL Row-Level Security
  • Multiple authentication flows
  • Accessible and internationalized interfaces
  • Asynchronous background processing
  • Confidentiality-sensitive client environment

  • FastAPI
  • SQLAlchemy
  • Ruby on Rails
  • React
  • TypeScript
  • PostgreSQL
  • Elasticsearch

  Delivered as part of an ongoing B2B consulting engagement.

• Enterprise observability

  Context

  Distributed enterprise services required stronger troubleshooting and operational visibility.

  Contribution

  Implementation of distributed tracing, trace-to-log correlation, structured logging, application and infrastructure metrics, dashboards, alerts, and alarms.

  Engineering decisions and constraints

  • Vendor-neutral instrumentation with OpenTelemetry
  • Integration with AWS X-Ray and CloudWatch
  • Infrastructure provisioning through AWS CDK and CloudFormation
  • Support for ECS-based services
  • Operational usefulness for incident investigation

  • OpenTelemetry
  • AWS X-Ray
  • CloudWatch
  • Grafana
  • Micrometer
  • AWS CDK

  Delivered as part of enterprise client work.

• Buku

  Context

  A multi-application appointment-management and discovery platform for service businesses.

  Contribution

  Product architecture spanning customer, business, and administration experiences, backend services, authentication, scheduling, data management, and mobile and web applications.

  Engineering decisions and constraints

  • Go backend
  • PostgreSQL and Redis
  • Separate customer, business, and administration experiences
  • Next.js web application
  • React Native mobile applications
  • Containerized local development

  • Go
  • PostgreSQL
  • Redis
  • Next.js
  • React Native
  • TypeScript
  • Docker

  Personal product under active development.

• Backend and SaaS engineering

  Backend services and APIs for secure, multi-tenant SaaS and enterprise systems.

  • Java
  • Spring Boot
  • Python
  • FastAPI
  • Ruby on Rails
  • Go
  • REST APIs

• Frontend engineering

  Accessible, responsive, and internationalized interfaces built with modern React and TypeScript tooling.

  • React
  • Next.js
  • TypeScript
  • Vite
  • Tailwind CSS
  • Internationalization

• Cloud and observability

  AWS infrastructure defined as code, instrumented so distributed services can be traced, measured, and alerted on.

  • AWS
  • AWS CDK
  • CloudFormation
  • Terraform
  • OpenTelemetry
  • AWS X-Ray
  • CloudWatch
  • Grafana

• AI-assisted engineering

  Spec-Driven Development with coding agents, reusable skills, and specialized review workflows, with engineering ownership retained.

  • Spec-Driven Development
  • Claude Code
  • MCP
  • Reusable skills
  • Specialized review agents
  • AI-assisted testing
  • Code review

Languages

Java, Python, Go, TypeScript, Ruby, JavaScript

Backend

Spring Boot, Spring Security, FastAPI, SQLAlchemy, Ruby on Rails, Gin, GORM, JPA, Hibernate, REST APIs

Frontend

React, Next.js, Vite, Tailwind CSS, SvelteKit

Data

PostgreSQL, MySQL, Oracle Database, MongoDB, Redis, Elasticsearch

Cloud and infrastructure

AWS, AWS CDK, CloudFormation, Terraform, ECS, Google Cloud, Docker, Podman, Kubernetes, LocalStack

Observability

OpenTelemetry, AWS X-Ray, CloudWatch, Grafana, Micrometer

Security and authentication

OAuth 2.0, OIDC, SAML, Keycloak, Spring Security, Passwordless OTP, PostgreSQL Row-Level Security

DevOps and quality

GitHub Actions, GitLab, Playwright, Jest, SonarQube, CI/CD, Infrastructure as code

Messaging and background processing

Apache Kafka, Amazon SQS, EventBridge, Sidekiq, SMPP

AI-assisted engineering

Spec-Driven Development, Claude Code, MCP, Agent skills, Review subagents, Agent-assisted implementation and testing

Open to discussing senior software-engineering and B2B consulting engagements involving backend systems, full-stack SaaS development, AWS infrastructure, observability, and AI-assisted engineering.

Or write directly to laerti98@gmail.com.