Back End Developer

CTO at The First Sol | Principal Software Engineer

We are looking for a Senior Backend Developer to join our team working on Iyurek, a comprehensive financial trading and market analysis platform. Our platform provides real-time market data, trading strategies, community features, and advanced analytics for traders and investors across multiple asset classes including stocks, forex, crypto, commodities, and futures.

• Real-time Market Data: Live pricing for stocks, forex, crypto, commodities, and futures
• Trading Strategies: Advanced algorithmic trading strategies and backtesting
• Community Features: Social trading platform with user profiles, posts, and interactions
• Advanced Analytics: Sentiment analysis, correlation analysis, COT (Commitment of Traders) reports
• Dashboard & Reporting: Customizable dashboards with charts, indicators, and market insights
• Mobile & Web Apps: Cross-platform applications for iOS, Android, and web

Core Technologies

• Infrastructure: AWS SAM (Serverless Application Model), CloudFormation
• Database: MongoDB, Redis (caching and session management)
• APIs: RESTful APIs with API Gateway

Key AWS Services

• API: API Gateway with custom authorizers
• Networking: VPC, Security Groups

External Integrations

• Market Data: Financial Modeling Prep (FMP), Twelve Data, Yahoo Finance
• Analytics: Custom sentiment analysis, correlation engines

• API Development: Design and implement RESTful APIs for financial data, user management, and trading features
• Lambda Functions: Develop, maintain, and optimize 100+ AWS Lambda functions across systems
• Database Design: Work with MongoDB collections for user data, market data, strategies, and community features
• Caching Strategy: Implement Redis caching for real-time market data and session management
• Authentication: Integrate and maintain FusionAuth for user authentication and authorization
• Market Data Processing: Handle real-time financial data from multiple sources (stocks, forex, crypto, commodities)
• Trading Strategies: Develop and maintain algorithmic trading strategies and backtesting systems
• Analytics: Implement sentiment analysis, correlation analysis, and COT report processing
• Risk Management: Build systems for position tracking, portfolio management, and risk assessment
• Serverless Architecture: Design and implement scalable serverless solutions using AWS SAM
• Microservices: Maintain modular architecture with separate Lambda stacks for different domains
• Performance Optimization: Optimize Lambda cold starts, database queries, and API response times
• Security: Implement proper authentication, authorization, and data encryption
• DevOps & Deployment
• Infrastructure as Code: Manage CloudFormation templates and SAM configurations
• Monitoring: Set up logging, monitoring, and alerting using CloudWatch
• Environment Management: Handle dev, pre-prod, and production environments

• Technical Requirements
• 5+ years of Python development experience
• 3+ years of AWS experience (Lambda, API Gateway, CloudFormation)
• Strong experience with serverless architectures and microservices
• Database expertise with MongoDB and Redis
• API development with RESTful services
• Git and version control best practices
• Trading platforms or financial technology experience preferred
• Understanding of market data feeds, trading APIs, and financial instruments
• Knowledge of trading concepts (orders, positions, portfolios, risk management)
• Experience with real-time data processing and WebSocket connections
• AWS Lambda development and optimization
• API Gateway configuration and custom authorizers
• CloudFormation or Terraform for infrastructure management
• AWS SAM (Serverless Application Model) experience preferred
• VPC, Security Groups, and AWS networking concepts
  • Additional Skills
  • Authentication systems (OAuth2, JWT, session management)
  • Documentation and code review practices
  Preferred Qualifications
  • Fintech experience with trading platforms, market data, or financial services
  • AWS certifications (Solutions Architect, Developer)
  • Experience with Interactive Brokers API or similar trading APIs
  • Knowledge of financial regulations and compliance
  • Experience with mobile app backends
  • Previous work with high-frequency data processing
  What You'll Work On
  • Key Modules (Overview): Market Data Engine, Trading Strategies, Community Platform, Mobile App Backend
  • 2. Market Data Engine: Real-time price feeds, historical data, market indicators
  • 3. Trading Strategies: Algorithm development, backtesting, strategy deployment
  • 4. Community Platform: Social features, user interactions, content management
  • 6. Mobile App Backend: API endpoints for iOS and Android applications
  • Scalability: Handling high-frequency market data updates
  • Performance: Optimizing Lambda cold starts and database queries
  • Real-time Features: WebSocket connections for live market data
  • Data Integration: Multiple market data sources and API integrations
  • Security: Financial data protection and user privacy
  Seniority level
  • Mid-Senior level
  Employment type
  • Contract
  Job function
  • Engineering and Information Technology
  Industries
  • IT Services and IT Consulting
  
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