Optasia

Senior Software Engineer, Fintech

Optasia
Posted 10/21/2026full-timeAthens • GreeceSeniorWebsite
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Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing and maintaining microloan provisioning platforms using Java and Spring Framework within a microservices architecture. Proficient in secure coding practices and relational database technologies, with a strong focus on performance and quality throughout the software development lifecycle.

Highest-signal resume keywords
Java DevelopmentSpring FrameworkMicroservices ArchitecturePostgres DatabaseSecure Code Development

Tech Stack

Tools & technologies
DockerJavaKafkaMicroservicesNoSQLPostgresSpring

About the role

Key responsibilities & impact
  • Analyze, design, develop, and maintain the microloan provisioning platform
  • Work on an enterprise platform handling millions of loan transactions daily
  • Ensure efficiency, performance, and quality throughout software development phases
  • Contribute across all phases of the product lifecycle
  • Develop within a Java and Spring Framework microservices architecture
  • Work with Spring, JMS, REST Web Services, Hazelcast, Postgres, Kafka, Elastic, Docker Swarm, and Debian

Requirements

What you’ll need
  • Bachelor's degree in Computer Science or a related discipline
  • At least 7 years' experience in back-end platforms development with solid programming abilities in Spring Framework
  • Knowledge of Relational Database technology
  • Knowledge of NoSQL will be considered a plus
  • Postgres, Elastic Search, Docker Swarm
  • Experience working with secure code development guidelines and coding practices, including OWASP and NIST
  • Excellent communication skills and team working mentality
  • Ability to meet tight deadlines and work under pressure with strict attention to detail
  • Excellent judgment, organizational, and problem-solving skills

Benefits

Comp & perks
  • Work from anywhere policy (90-day per year)
  • Competitive remuneration package
  • Extra day off on your birthday
  • Performance-based bonus scheme
  • All the tech gear you need to work smart

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Back-End DevelopmentMicroloan ProvisioningRelational Database TechnologyNoSQLREST Web ServicesJMSPerformance OptimizationCoding PracticesProblem-SolvingAttention to Detail
Soft Skills
Excellent CommunicationTeam Working MentalityOrganizational SkillsJudgmentAbility to Work Under Pressure
Tools & Technologies
SpringHazelcastKafkaElastic SearchDocker SwarmDebian
Industry Keywords
Microloan Provisioning PlatformEnterprise PlatformSoftware Development PhasesProduct LifecycleOWASPNIST