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Ubique Systems

Java Software Engineer

Ubique Systems
Sweden · Contract · Mid-Senior

Strong Java Developer with Golang Experience


We’re looking for a consultant who’d love to build phenomenal products and ensure quality in every deliverable. Creative thinking, strong problem solving skills and the ability to collaborate with other multi-functional teams in a fast-paced environment are your key strengths.


Main Responsibilities

• Create, maintain, and enhance customer-facing web services.

• Handle authentication, authorization, scaling, and availability of services.

• Ensure reliability and implement measures for spam control.

• Optimize Java performance and tune web services.

• Utilize data storage and caching solutions effectively.

• Write and maintain REST based services.

• Integrate CI/CD tools and manage automation testing.


Key Requirements

• Proven programming experience of 5+ years.

• Strong Java expertise, including Core Java, Multithreading, non-blocking I/O.

• Knowledge and experience with Golang.

• Experience in building customer-facing web services.

• Familiarity with data storage and caching technologies like Cassandra, Redis, and memcached.

• Proficient in Java Performance Tuning and API definition.

• Experience writing REST based services using Netty or similar frameworks.

• Solid knowledge of CI/CD tools and full automation testing.

• Excellent analytical and problem solving skills.

• Strong written and verbal communication abilities.

• Ability to thrive in multi-functional teams on high-profile projects.


Nice to Have

• Knowledge of web programming languages like HTML, CSS, JavaScript, and jQuery.

• Strong understanding of cryptography standards and protocols (e.g., PKCS, KMIP, X.509, AES).

• Familiarity with developing machine learning systems and related frameworks.

• Experience with GitHub, Maven, Docker, Spinnaker, Kubernetes.

• Experience as a Team lead is an advantage.


Other Details

• Start date: ASAP.

• Duration: Long-term project (12 months contract + extension).

• Location: Malmö (5 days onsite weekly )

Key Skills

Ranked by relevance

java storage cicd machine learning javascript cassandra docker golang redis maven css
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Posted
Nov 28, 2025
Type
Contract
Level
Mid-Senior
Location
Malmo

Industries

IT Services IT Consulting

Categories

Information Technology

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