Senior Java Software Engineer

TechStack Global AB; Sweden; Hybrid; SEK 546,030 - 764,442; Full time

Benefits offered by this job

Competitive salary & benefits package

Opportunities for career growth

Flexible work arrangements

Job summary

TechStack Global AB is seeking a Senior Java Developer to join their team in Sweden. In this pivotal role, you will design and develop scalable backend applications using Java, Spring Boot, and AWS. You’ll collaborate with cross-functional teams to deliver robust software solutions that meet business needs.

The ideal candidate will have strong Java development experience, expertise in microservices architecture, and knowledge of real-time data processing using Kafka. Enjoy competitive benefits, projects with modern technology stacks, and opportunities for career growth.

Qualifications

• Strong experience in Java development.
• Expertise in Spring Boot and microservices architecture.
• Hands-on experience with REST API design and development.
• AWS cloud services experience (EC2, S3, Lambda, etc.).
• Knowledge of Kafka and event-driven systems.
• Experience with Agile development methodologies.
• Strong problem-solving and debugging skills.

Responsibilities

• Develop, enhance, and maintain high-performance Java-based applications.
• Design and implement RESTful APIs to support business needs.
• Architect and develop microservices-based applications with Spring Boot.
• Deploy and manage applications in AWS, ensuring scalability and security.
• Work with Kafka for real-time data streaming and event-driven architecture.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Optimize applications for performance, scalability, and maintainability.

Skills

Java development

Spring Boot

REST API design

AWS cloud services

Kafka

Agile methodologies

Problem-solving

Job description

About Us

At TechStack Global AB, we’re a close-knit team of software engineers who are genuinely passionate about technology. Our mission is to empower our clients by helping them achieve their digital aspirations. Unlike typical consultancies, we prioritize hiring top‑notch tech talent and pairing them with projects that truly challenge and inspire them, ensuring that their skills are fully utilized.

About the Role

As a Senior Java Developer, you will play a key role in designing, developing, and deploying scalable applications. You’ll work with Java, Spring Boot, microservices, REST APIs, AWS, and Kafka to build robust and high‑performance backend systems. If you enjoy problem‑solving, writing clean and efficient code, and working in a collaborative team, this is the role for you!

Key Responsibilities

• Develop, enhance, and maintain high-performance Java-based applications.
• Design and implement RESTful APIs to support business needs.
• Architect and develop microservices-based applications with Spring Boot.
• Deploy and manage applications in AWS, ensuring scalability and security.
• Work with Kafka for real-time data streaming and event-driven architecture.
• Collaborate with cross‑functional teams to deliver high-quality software solutions.
• Optimize applications for performance, scalability, and maintainability.

Required Skills & Experience

• Strong experience in Java development.
• Expertise in Spring Boot and microservices architecture.
• Hands‑on experience with REST API design and development.
• AWS cloud services experience (EC2, S3, Lambda, etc.).
• Knowledge of Kafka and event-driven systems.
• Experience with Agile development methodologies.
• Strong problem‑solving and debugging skills.

What We Offer

• Work on exciting projects using modern technology stacks.
• A collaborative and innovative team environment.
• Competitive salary & benefits package.
• Opportunities for career growth and skill development.
• Flexible work arrangements, including hybrid/remote options.