Backend Developer Contract

Role & Responsibilities

• Design, develop, and maintain scalable, reliable backend services and APIs with a focus on performance, security, and maintainability.
• Architect and implement distributed systems and microservices for business-critical, high-volume applications.
• Collaborate with Product Owners, Front-End Engineers, UI/UX Designers, QA Engineers, and other stakeholders to deliver technical solutions.
• Design and optimize RESTful APIs, event-driven services, and pub/sub messaging systems for seamless integration.
• Monitor system performance, identify bottlenecks, and implement tuning and scalability improvements.
• Design and optimize database schemas, queries, and data models for relational and NoSQL databases.
• Create and maintain technical documentation, including architecture, design, API, testing, and deployment details.
• Troubleshoot production issues, perform root cause analysis, and implement fixes to improve stability and reliability.
• Participate in code reviews and promote best practices, clean code, automated testing, and coding standards.
• Contribute across the full software development lifecycle, from design and development to testing, deployment, and monitoring.
• Support production releases, incident resolution, and continuous delivery efforts with cross-functional teams.
• Evaluate and adopt new technologies, tools, and engineering practices to improve efficiency and platform capabilities.

Requirements

• Bachelor's degree in Computer Science, Informatics Engineering, or a related field
• At least 2 years of experience in end-to-end software development
• Experience designing and building distributed, scalable, and reliable backend systems
• Strong proficiency in at least one object-oriented programming language, with experience in Rust, C++, or Spring Boot (Java/Groovy)
• Experience with relational databases (PostgreSQL/MySQL) and NoSQL technologies (Redis, Elasticsearch, or Cassandra)
• Solid debugging, troubleshooting, and software design skills
• Familiarity with Git, REST APIs, and pub/sub architecture
• Experience in financial services, capital markets, trading systems, or other high-availability environments is a plus.
• Strong communication skills with the ability to collaborate effectively in cross-functional Agile teams.