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Develop and maintain high-performance, fault-tolerant distributed systems for financial trading platforms. Manage order lifecycles, optimize and test Java code, analyze multithreading issues, perform profiling and debugging, conduct code reviews, and collaborate in an agile Scrum environment. The role requires understanding financial-market business requirements, asynchronous communication, relational database internals, and low-latency system performance.

Backend developer responsible for building and optimizing high-performance, low-latency distributed trading systems across the full order lifecycle. Tasks include designing reliable distributed services, concurrency and multithreading analysis, profiling and debugging, test-driven development, code reviews, and collaborating in an agile team to meet complex finance domain requirements.

Provide technical customer support for retail fintech market-data products: investigate and resolve tickets, document procedures, create tutorials, test data integrations, and escalate issues to engineers and QA as needed.

Conduct security assessments (code review, SAST/DAST, pentests), integrate security into SDLC and CI/CD, guide secure coding and threat modeling, remediate vulnerabilities, support incident response, train developers, and ensure compliance with standards like OWASP, NIST, and ISO/IEC 27001.

Perform application security assessments (code review, SAST/DAST, pentests), integrate security into SDLC/CI-CD, remediate vulnerabilities, support threat modeling, incident response, and developer security training to enforce OWASP/NIST/ISO security controls.

Manage on-premises and cloud PostgreSQL infrastructure for availability, recoverability, performance, and scalability. Design HA architectures, backups/PITR, monitoring, capacity planning, incident response, migrations, cost optimization, and automation; collaborate with development, QA, and support; participate in on-call rotation and drive database technology improvements.

Lead and maintain on-prem and cloud infrastructure (AWS/GCP), manage Cisco networking and datacenter systems, automate deployments (CI/CD, DevOps/SRE), diagnose complex network and system issues including multicast and packet-level analysis, participate in on-call rotation, mentor junior engineers, and collaborate with security, network teams, and external partners to ensure high availability and performance.

Analyze customers' business processes and legacy systems, elicit and document functional and non-functional requirements, create specifications (User Stories, SRS, Functional Specs), clarify requirements for design/dev/QA, validate solutions, demo to customers, and support trading product improvements.

Analyze customer business processes and legacy systems, elicit and document functional and non-functional requirements, produce specifications (user stories, SRS), validate solutions, support design/development/QA, demonstrate functionality to customers, and participate in competitor analysis and distributed-team communication. Occasional business trips required.

Analyze customer business processes and legacy systems, elicit and document functional/non-functional requirements, create specifications (SRS, user stories), validate solutions, support development/QA, demonstrate to customers, and collaborate across distributed teams in trading/financial software projects.