Lead Software Engineer - C#/.Net

TST Poland
Athens, GA
Role: .Net Software Engineer (finance Or Banking domain experience)
Locations: Athens, Greece
Duration: Contract




Job Responsibilities
Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
Develops secure high-quality production code, and reviews and debugs code written by others
Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems
Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture
Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies
Adds to team culture of diversity, equity, inclusion, and respect



Required qualifications, capabilities, and skills
Formal training or certification on software development concepts and proficient advanced experience
Advanced knowledge and experience with C#/.Net
Advanced knowledge and experience developing multi-threaded applications
Experience building middle-tier services at scale
Experience developing responsive UI in C# and web-based technologies (i.e. React, Angular, Typescript)
Hands-on practical experience delivering system design, application development, testing, and operational stability
Advanced understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
Demonstrated proficiency in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
In-depth knowledge of the markets and trading industry and their IT systems
Practical cloud native experience



Preferred qualifications, capabilities, and skills
Experience working with Portfolio Management systems
Ability to work in an Agile environment
Understanding of modern User Interface architecture and design
Understanding and experience with data cache'ing technologies (i.e. Redis, Hazlecast, etc)
Understanding and experience with message distribution technologies (i.e. RabbitMQ, Kafka, etc.)
English skills: advance
Posted 2025-09-16

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