Lead Software Engineer (Java/Spring Boot/AWS) - Hybrid Lisbon (3 days/week office)

HumanIT Digital Consulting

Lisboa

Hybrid

EUR 20,000 - 28,000

Full time

4 days ago

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Job summary

HumanIT Digital Consulting seeks a Lead Software Engineer to guide the engineering of a next-generation marketing platform. You will own technical direction, oversee UI, full-stack and data engineering teams, and ensure end-to-end delivery at global scale.

You’ll design REST APIs with Java/Spring Boot, drive cloud modernization on AWS, and promote best practices for quality, observability and performance in a hybrid Lisbon setup. Fluent English is required.

Qualifications

Hands‑on experience with Java, Spring Boot and distributed service architectures (REST APIs).
Proven experience architecting large, complex distributed platforms and delivering cloud‑native solutions on AWS.
Familiarity with Big Data and analytics technologies such as Databricks, Hadoop, Spark, Python and Scala.
Experience with real‑time or near real‑time data ingestion and processing systems.
Understanding of Domain Driven Design (DDD) and Event Driven Design (EDD).
Experience building and governing automated quality frameworks with JUnit and Mockito, plus a solid understanding of BDD testing frameworks.
Understanding of CI/CD with Jenkins and automated deployment pipelines.
Experience implementing monitoring, logging, alerting and reliability engineering practices.
Track record of delivering highly available, observable, resilient and high‑performance products at scale.
Experience using GenAI and AI‑assisted development tools to improve productivity and quality.
Technical leadership experience and the ability to communicate architecture to a wide range of stakeholders.
Familiarity with Agile/Scrum.
Fluent English, written and spoken.

Responsibilities

Architect new platform capabilities and lead a team of UI developers, full-stack engineers and data engineers.
Build highly available, large-scale and fault-tolerant platforms.
Design and develop REST APIs and web services with Java, Spring Boot and cloud-native technologies.
Assess approaches for integrating backend data services with user interfaces, and bridge technical and business requirements.
Drive platform modernization on AWS and Databricks as part of a wider cloud transformation strategy.
Champion engineering best practices in quality, automation, observability, reliability and performance, as well as GenAI/Agentic AI adoption.
The work model is hybrid, with 3 days per week on-site in Lisbon.
The selection process includes an interview with the client.

Skills

Java

Spring Boot

Distributed systems

REST APIs

AWS

DDD/EDD

CI/CD

Observability

GenAI experience

Leadership

Agile/Scrum

English fluency

Tools

Databricks

Jenkins

Hadoop/Spark

GraphQL/React (nice to have)

Job description

Lead Software Engineer (Java/Spring Boot/AWS) - Hybrid Lisbon (3 days/week office)

Job Openings Lead Software Engineer (Java/Spring Boot/AWS) - Hybrid Lisbon (3 days/week office)

About the job Lead Software Engineer (Java/Spring Boot/AWS) - Hybrid Lisbon (3 days/week office)

Lead Software Engineer (Java/Spring Boot/AWS) - Hybrid Lisbon (3 days/week office)

ABOUT THE OPPORTUNITY

Lead the engineering of a next-generation platform for end-to-end marketing campaign management, built by a global technology leader. The platform covers audience targeting, campaign execution and measurement, and runs at global scale over massive volumes of data. As a Lead Software Engineer (Technical Lead), you’ll own technical direction, engineering efficiency and on-time delivery. Teams here use GenAI and Agentic AI across the whole development lifecycle. This is a 12-month project starting in November 2026.

PROJECT & CONTEXT

Architect new platform capabilities and lead a team of UI developers, full-stack engineers and data engineers.
Build highly available, large-scale and fault-tolerant platforms.
Design and develop REST APIs and web services with Java, Spring Boot and cloud-native technologies.
Assess approaches for integrating backend data services with user interfaces, and bridge technical and business requirements.
Drive platform modernization on AWS and Databricks as part of a wider cloud transformation strategy.
Champion engineering best practices in quality, automation, observability, reliability and performance, as well as the adoption of GenAI and Agentic AI.
The work model is hybrid, with 3 days per week on-site in Lisbon and regular working hours. The selection process includes an interview with the client.

WHAT WE’R LOOKING FOR (Required)

Hands‑on experience with Java, Spring Boot and distributed service architectures (REST APIs)
Proven experience architecting large, complex distributed platforms and delivering cloud-native solutions on AWS
Familiarity with Big Data and analytics technologies such as Databricks, Hadoop, Spark, Python and Scala
Experience with real‑time or near real‑time data ingestion and processing systems
Understanding of Domain Driven Design (DDD) and Event Driven Design (EDD)
Experience building and governing automated quality frameworks with JUnit and Mockito, plus a solid understanding of BDD testing frameworks
Understanding of CI/CD with Jenkins and automated deployment pipelines
Experience implementing monitoring, logging, alerting and reliability engineering practices
Track record of delivering highly available, observable, resilient and high-performance products at scale
Experience using GenAI and AI‑assisted development tools to improve productivity and quality
Technical leadership experience and the ability to communicate architecture to a wide range of stakeholders
Familiarity with Agile/Scrum
Fluent English, written and spoken