Java Backend Engineer
TechBiz Global GmbH1 year ago
Remote, WorldwideMid Level / Senior
Responsibilities
- Design and implement Java backend services and APIs for ATS functionality using Spring Boot or Jakarta EE.
- Develop and maintain RESTful APIs for external integrations and internal services.
- Implement and optimize FIX protocol-based APIs for financial and trading system integrations.
- Design secure, low-latency, highly available backend architecture.
- Optimize database performance and design schemas for ATS workflows.
- Collaborate with DevOps on production deployment and monitoring across cloud or on-premises environments.
- Conduct code reviews, unit testing, and integration testing.
- Troubleshoot performance, scalability, and reliability issues.
Requirements
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 3–5 years of professional experience in Java backend development.
- Strong expertise in Spring Boot, Hibernate/JPA, and RESTful APIs.
- Hands-on experience with the FIX protocol and QuickFIX/J or similar libraries.
- Knowledge of multithreading, concurrency, and low-latency system design.
- Experience with PostgreSQL, MySQL, MongoDB, Redis, or similar databases.
- Proficiency with Git, CI/CD pipelines, Docker, and Kubernetes.
- Understanding of security principles including OAuth2, JWT, SSL, and encryption.
- Strong problem-solving, debugging, and analytical skills.
- Experience with financial systems, trading platforms, or ATS solutions is preferred.
- Knowledge of Kafka, RabbitMQ, Redpanda, Chronicle Queue, or similar messaging systems is preferred.
- Exposure to AWS, GCP, or Azure is preferred.
- Familiarity with microservices architecture and event-driven systems is preferred.
Tech Stack
Apache KafkaAWSAzureDockerGitGoogle Cloud PlatformJavaKubernetesMongoDBMySQLPostgreSQLRabbitMQRedisSpring Boot
Categories
About TechBiz Global GmbH
TechBiz Global GmbH provides IT recruitment, outstaffing, and custom software development for startups and enterprises, plus consulting around product building and scaling. The privately held company is headquartered in Berlin and was founded in 2021. It staffs engineering roles for clients and delivers outsourced development teams, supporting engagements across multiple countries.