C
Capital.com
Java Software Engineer
Skills
SQL QueriesJavaSpring BootKafkaAIKubernetesCompliance
15 days ago
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Important information
Contract type:
Permanent
Location:
Bulgaria
Work mode:
Onsite
Published on:
4 October 2026
What they need
- We are currently growing our Backend Team and looking for great Engineers with an interest in trading to join us!
- Our Engineering team plays a pivotal role in ensuring the robustness, speed, and security of our product. Dedicated to enhancing performance, providing a best-in-class user experience, ensuring compliance, and safeguarding data, the team’s efforts directly impact our ability to offer clients a seamless and secure trading journey
- We believe great engineering talent not only delivers excellent code, but also lives our values. We are looking for someone who is eager to go fast, willing to innovate and grow, who knows how to listen, respect and support, strives to exceed client expectations, and takes full ownership to achieve real results
- Design and build scalable, low-latency, and high-performance backend services
- Develop distributed and asynchronous systems ensuring reliability and fault tolerance
- Optimise performance across JVM, databases, caching, and networking layers
- Apply security best practices in handling client PII and financial transactions
- Use event-driven architectures and modern messaging solutions (e.g. Kafka)
- Collaborate with cross-functional teams to align architecture with business needs
- Maintain high code quality through testing, code reviews, and CI/CD practices
- Leverage AI tools to accelerate development, testing, and delivery
Benefits
- Private health insurance
- Option to work abroad (up to 30 days a year)
- Hybrid working (where applicable)
- Volunteering days
- Referral bonuses
- Exciting social events
- Development and training support
- Performance-based bonuses- Ability to design and maintain scalable, low-latency, high-performance systems
- Awareness of security best practices in handling PII and financial transactions
- Solid knowledge of concurrency, multithreading, and asynchronous programming
- Experience working in a product-led fast-paced environment as a team player
- Basic understanding of network protocols and troubleshooting
- Strong understanding of distributed systems architecture and the client–server model
- Proven experience in FinTech, Banking, or related financial domains
- Concurrency & Async programming: advanced understanding and hands-on experience in asynchronous programming methods
- Operational Proficiency: Understanding and hands-on experience with Ops activities, Kubernetes, pipelines, Fit Flow and modern CI/CD patterns and strategies
- Events streaming: Understanding of the event driven architecture (Kafka or similar solutions)
- Java and Spring: Advanced knowledge of Java Core technologies and the Spring framework
- Data Mastery: Proficiency with SQL databases, ensuring optimal performance, structure, and replication
- AI tools: ability to effectively use AI technologies in engineering work e.g. applying AI for coding assistance, debugging, testing, documentation, and optimisation of workflows
- Analytical thinking: Ability to tackle and investigate complicated problems and convert it to the task
- Communication: Effective communication skills, especially with teams responsible for security, operations and product
- Adaptability to Rapid Changes: Demonstrated capability to adjust to quick technological shifts and evolving business requirements
- Ownership and Accountability: Readiness to take ownership of tasks, issues as well as demonstrate accountability of the results and outcome
- Performance: Knowledge of JVM performance optimization practices
- In-memory storage: Strong knowledge of in-memory cache solutions
- No-SQL: Experience working with no-SQL databases is a big plus
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