Java Developer; Financial service sphere

Poland

Our client is a Silicon Valley technology company with sales offices in New York and London, specializing in data and financial infrastructure. Their mission is to empower firms to make confident and timely decisions using high-quality data. The company’s platforms enable users to monitor data quality, resolve exceptions, and perform real-time root‑cause analysis across enterprise and network landscapes.

The project focuses on developing a transparent and extensible consensus network for Independent Price Verification (IPV) in the OTC derivative market. By combining data quality and analytics platforms, the system helps optimize risk capital allocation and reduce total cost of ownership. The role involves developing backend services, database management, and real‑time data processing.

• Java
• Data Structures
• Multithreading
• Reflection
• Snowflake
• MySQL
• DuckDB
• GRPC
• AWS
• Kafka/SNS/SQS
• Docker

• Work on development tasks for company products, focusing on backend logic and database management;
• Design, implement, and optimize data processing pipelines in Java 17+;
• Develop and maintain high‑performance, real‑time backend services using GRPC;
• Work with relational and analytical databases such as Postgres, Snowflake, MySQL, and DuckDB;
• Ensure efficient data storage and retrieval mechanisms through proper database design;
• Implement and manage event‑driven architectures using Kafka, SNS, or SQS;
• Deploy and manage containerized applications using Docker in a cloud‑based AWS environment;
• Collaborate with the team to design scalable, efficient backend solutions;
• Troubleshoot networking and system‑level issues to improve overall system performance;
• Work late shifts to align with Pacific Time Zone (PT) for real‑time collaboration with the client;

• 3+ years of experience in backend development using Java;
• Strong Java Core knowledge, including Data Structures, Multithreading, and Reflection;
• Experience with database design and working with Postgres, Snowflake, MySQL, or DuckDB;
• Hands‑on experience with GRPC for high‑performance service‑to‑service communication;
• Familiarity with AWS cloud services and event‑driven architectures using Kafka, SNS, or SQS;
• Experience working with Docker and containerized environments;
• Understanding of networking concepts and operating system fundamentals;
• Knowledge of English from B1+ for effective communication with global teams;
• Availability to work late shifts aligned with Pacific Time Zone (PT);

The global benefits package includes:

• Technical and non‑technical training for professional and personal growth;
• Internal conferences and meetups to learn from industry experts;
• Support and mentorship from an experienced employee to help you professional grow and development;
• Internal startup incubator;
• Health insurance;
• Sports activities to promote a healthy lifestyle;
• Flexible work options, including remote and hybrid opportunities;
• Referral program for bringing in new talent;
• Work anniversary program and additional vacation days.

9/30/2025