Senior Java Software Engineer (Remote) NEW

Code.Hub (Fintech Project) – Senior Java Software Engineer (Remote)

Code.Hub is the first Hub for Developers in Greece, builds together with partners decentralized digital hubs in FinTech for expanding the portfolio of their services globally. Code.Hub has the knowledge and technical mentorship for all technologies and helps the SW Engineers expand their skills and opportunity to make a great career path for their future!

Code.Hub believes in the talent of Greece. Code.Hub manages the biggest Software Development projects in the Greek market and numerous already 75% of the IT market in Greece. During 2018 and 2019, Code.Hub was listed in the top 100 most innovative initiatives in Greece.

Code.Hub was awarded in 2021 & 2020 with Gold Awards as the best company in the market regarding our services and again in 2022 as the Rising Star of the year, taking first place in “Best Talent Management Strategy & Initiative” and “Best Youth Employment Initiative”. Code.Hub works together with leading global professional services companies, providing a broad range of services and solutions in strategy, consulting, digital, technology and operations. Code.Hub works with high-end technologies to help clients improve their performance and create sustainable value for their stakeholders.

Qualifications and Technologies

Core Languages & Frameworks (Advanced Proficiency):

• Java (Versions 11+):

o Deep understanding of concurrency, multi-threading, and performance optimization.

o Expertise in JVM internals and garbage collection.

•   Spring Framework (Spring Boot 3+):

o Advanced Spring Boot features (e.g., reactive programming, security).

o Spring Cloud Stream (Kafka integration).

o Spring Integration.

• Apache Kafka (Versions 3+):

o Kafka Streams, Kafka Connect, KSQLdb.

o Advanced Kafka configuration and tuning.

o Kafka security (ACLs, Kerberos).

o Kafka monitoring and performance troubleshooting

•  Camunda Platform 7 & 8:

o BPMN 2.0 and DMN modeling.

o Camunda Zeebe (for cloud-native orchestration).

o Camunda integration with external systems.

o Camunda monitoring, and performance tuning.

Data Management & Persistence:

• Relational Databases (PostgreSQL, MySQL, Oracle):

o Basic SQL and database optimization.

o Database sharding and replication.

• Elasticsearch/OpenSearch:

o Log aggregation and analysis.

o Text search implementation.

• Oracle Database

o Basic Data Warehousing and Analytics

o Performance monitoring and Troubleshooting

Microservices & API Development:

• RESTful APIs & GraphQL:

o API design best practices.

o API security (OAuth 2.0, JWT).

• gRPC:

o High performance microservice communication

Cloud & Containerization (Basic Level)

• Cloud Platforms (AWS, Azure, GCP):

o Serverless computing (AWS Lambda, Azure Functions).

o Cloud-native architecture.

o Cloud security

Docker & Kubernetes:

o Kubernetes deployments and scaling.

o Kubernetes operators.

o Helm Charts.

• Jenkins Basic Knowledge

Other Critical Skills:

• Software Architecture & Design Patterns:

o Microservices architecture, event-driven architecture, CQRS, Event Sourcing.

• Performance Tuning & Optimization:

o Identifying and resolving performance bottlenecks.

• Security Best Practices:

o Secure coding practices, vulnerability management.

• Agile & DevOps Methodologies

• Leadership and Mentoring:

o Guiding and mentoring junior developers.

• Domain Driven Design (DDD):

o Designing complex systems around business domains

Let’s talk about us:

• Hybrid working model
• A competitive salary
• Signing Bonus
• Brand new equipment
• Exciting & friendly work environment
• Career & competencies’ development
• Continuous learning & development experience based on infinity model through Code.Hub’s Code.Learn
• L&D plan for your career improvement
• A truly open, inclusive, and competitive-free environment to grow your skills and have fun!
• Internal competitions & rewards.

Let’s talk about Code.Hub-ers:

• You are eligible to free LinkedIn trainings
• You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction
• Training & Tech Mentor for your induction.
• Unlimited access to LinkedIn Learning platform (1st semester).
• Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College.
• Private Health Insurance.
• Performance planning each six months and each two years planning of promotion.
• Free Lunch/Snack every day & Cocktail Fridays @ our offices.
• Referral Bonus.