At

WATA Factory , we’re looking for a

Tech Lead Java

who combines strong technical expertise with the ability to lead architectural decisions and support a senior engineering team in

long-term projects . If you enjoy taking technical ownership, working in stable environments, and growing together with an experienced team, we’d love to meet you.

YOUR TASKS
Technical leadership in the design, development and evolution of backend systems based on

Java

Definition and continuous improvement of system architecture, with a strong focus on scalability, performance and maintainability

Hands‑on development of backend services using

Java

(experience with

Dropwizard

is desirable but not mandatory)

Close collaboration with frontend development using

Vue.js

and

TypeScript

Design, optimisation and maintenance of databases ( MySQL, PostgreSQL, MongoDB

and

Cassandra )

Usage of messaging technologies such as

Apache Kafka

and interaction with caching and search solutions ( Redis

and

OpenSearch )

Contribution to data‑related use cases involving

BigQuery

and

Python





(desirable)

Participation in cloud‑based environments ( Google Cloud

– desirable) and containerised infrastructures ( Kubernetes

– desirable)

Ensuring high code quality through testing, automation and modern engineering practices

Acting as a technical reference within an agile team, supporting decision‑making and mentoring

Long‑term involvement in projects, supported by a

structured onboarding process lasting up to one year

YOUR PROFILE
Degree in Computer Science or a related technical field, or equivalent professional experience

Proven experience as a

Java backend developer , ideally in a senior or tech lead role

(mandatory)

Solid experience working with

relational and NoSQL databases (MySQL, PostgreSQL, MongoDB and Cassandra) .

Experience with

Apache Kafka

in messaging‑based architectures

(desirable)

Experience with

Dropwizard

is

desirable but not required

Knowledge of

Red

📌 Tech Lead Java (Jerez de la Frontera)
🏢 Wata Factory
📍 Jerez de la Frontera