Lucas Krause Saldanha

Backend Engineer · Java · Golang
Horsens, Denmark · Open to relocation
lk.saldanha@gmail.com · in/lucassaldanha · github.com/asterixcode

Summary

Backend Engineer with 4+ years of experience specialized in Java and Spring ecosystems.

Proven track record of designing and implementing reliable and maintainable applications. Strong analytical skills and detail-oriented individual, passionate about solving business problems with focus on high quality software.

Experience

BESTSELLER Tech — Backend Developer

Oct 2022 - Present · Aarhus, Denmark

Progressed from part-time student to backend developer. Participated in the development of two major platforms as part of the company's new ERP system: Material Library, responsible for managing the lifecycle of materials used for styles across all fashion brands; Bill of Material templating service and validation engine.

Backend Developer (July 2023 - Present)
  • Contributed to various product-features analysis & design
  • Owned software architecture and development of REST and Event-Driven APIs
  • Led the backend redesign of Material Library, reducing from 7 to 3 microservices, improving performance and maintainability while cutting costs and time-to-production
  • Introduced CQRS, Domain-Driven Design, Onion Architecture, SOLID and REST principles
  • Go-to person for Apache Kafka — provided guidance and support
  • Mentored junior developers
Student Backend Developer (October 2022 - June 2023)
  • Contributed to CI/CD infrastructure, bug fixes and features across microservices including GraphQL, REST APIs and testcontainers

Danske Bank — Software Engineer Intern

Feb 2022 - Jul 2022 · Aarhus, Denmark

Full-time internship (20 weeks) in the corporate payments team. Participated in a search engine project.

  • Implemented Kafka Streams for data consumption, transformation, aggregation, and production
  • Refactored code to adhered to the team's guidelines of Clean Code and Domain-Driven Design
  • Java, Spring Boot, C#, .NET, Kafka, Elasticsearch, Logstash, Kibana, Azure DevOps, OpenShift

Education

Bachelor of Software Engineering · VIA University College. Horsens, Denmark · Graduation: June 2023

Skills & Tools

Languages: Java (expert), Go (venturing)

Frameworks: Spring (Boot, Web, Data, Kafka, Modulith, AI, Security, Auth Server, GraphQL, Thymeleaf)

Data: PostgreSQL, MongoDB, Redis, RocksDB, Apache Kafka, Kafka Streams

Tools: Docker, Kubernetes, GitHub Actions, GCP, Azure, Datadog, Linux, macOS