Java Technical Lead

Role: Java Technical Lead Location:

Spain /Portugal / Poland Languages:

English C1 Skills:

Java, SpringBoot, Microservices, Maven & Testing practices. Working Model:

Remote

We are looking for an experienced

Java Tech Lead

to join our

Engineering Support Team

. This team is responsible for maintaining and evolving a

core Java library used across the organization

, enabling teams to build microservices efficiently without duplicating common functionality. This shared library provides essential capabilities such as

logging, security, OAuth, JWKS management, and monitoring

, and is currently used by

550+ services across the company

. The role combines

technical leadership, hands-on development, and cross-team collaboration

to ensure the library continues to meet the evolving needs of engineering teams. The ideal candidate will be a

senior Java engineer with strong Spring Boot expertise

, capable of

leading a team, driving technical decisions, and working closely with multiple teams to gather requirements and promote adoption of the library

.

Key Responsibilities Lead the development team to deliver

high-quality software on time

. Design, build, and maintain

efficient, reusable, and reliable Java libraries

used across the organization. Collaborate with multiple engineering teams to

gather requirements and identify improvements

for the shared library. Ensure

performance, scalability, reliability, and security

of the core components. Establish and enforce

coding standards and best practices

. Mentor and support

junior and mid-level engineers

. Keep the team aligned with

latest Java and Spring ecosystem developments

. Support and guide other teams in

integrating and using the library effectively

. Participate in the

full Software Development Life Cycle

, including peer reviews and occasional QA support. Work closely with

Product Management and engineering stakeholders

to achieve strategic goals.

Mandatory Skills Strong Java expertise

with experience building robust enterprise applications. Extensive experience with

Spring Framework and Spring Boot

. Strong experience with

Spring Security

. Experience with

reactive programming

(Spring WebFlux, Reactor Netty, RxJava, etc.). Experience designing and building

microservices architectures

(REST APIs, API Gateway). Experience with

Maven

for build and dependency management. Strong testing practices using

JUnit, TDD, and end-to-end testing

. Solid understanding of

Object-Oriented Programming (OOP) and design patterns

. Experience building

reusable Java libraries used across multiple projects

. Strong

communication and leadership skills

with experience guiding development teams. Ability to

stay up to date with modern Java and Spring ecosystem developments

.

Nice to Have Experience with

OAuth 2.0 and JWKS management

. Experience with

authentication and security mechanisms

in distributed systems. Familiarity with

logging, monitoring, and observability tools

(ELK, Prometheus, OpenTelemetry). Experience with

message-driven architectures

(Kafka, RabbitMQ). Experience with

Docker and Kubernetes

for microservices deployment. Knowledge of

container orchestration platforms

. Experience with

cloud platforms

(AWS, OpenShift). Knowledge of

AWS services

. Experience with

CI/CD pipelines

(Jenkins, GitHub Actions, or similar). Experience working in

Agile environments with cross-functional teams

.

Professional Qualities Strong

leadership and mentoring skills Results-oriented

and accountable Strategic and

analytical mindset Commitment to

quality and technical excellence Proactive

and adaptable to change Strong

collaboration and communication skills Passion for

innovation and continuous improvement Customer-focused

with strong business awareness

Qualifications University degree in

Computer Science, Software Engineering, or related field

Experience Required 6+ years of experience in Java / Spring Boot development 2+ years of experience as a Technical Lead leading Java projects