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For Companies At a Glance
- Tasks: Design and develop high-performance backend systems for trading applications.
- Company: Join a leading tech firm at the forefront of blockchain innovation.
- Benefits: Attractive salary, flexible working options, and opportunities for professional growth.
- Why this job: Be part of a dynamic team shaping the future of finance with cutting-edge technology.
- Qualifications: 5+ years in backend development with strong Java skills and blockchain experience.
- Other info: Exciting projects in a fast-paced environment with great career advancement potential.
The predicted salary is between 48000 - 72000 £ per year.
Core Job Responsibilities
- 3+ years of experience in exchange core system development
- Design indexing systems, RPC interaction layers, and event stream processing architecture
- Build real-time data pipelines (e.g., Kafka/RabbitMQ integration)
- High-Performance API Development
- Build REST/WebSocket/GraphQL interfaces
- Handle low-latency requirements in high-frequency trading scenarios
- DeFi Application Logic Implementation
- Price oracle integration
- Trading simulation engine development; 3+ years of futures or spot trading system development experience
- Risk control system implementation
- Microservices Architecture Design
- Wallet interaction services
- Trading queue management
- Gas fee optimization strategies
- Infrastructure Reliability Assurance
- Node management
- Load balancing
- Failover systems
Required Skills
- 5+ years of backend development experience (Java/TypeScript/Rust/Go), proficient in EVM smart contracts
- Blockchain interaction experience (JSON-RPC, ethers.js/web3.py)
- Database optimization (PostgreSQL/TimescaleDB/Redis)
- Asynchronous architecture design (Kafka/RabbitMQ/Celery)
Preferred Knowledge
- Web3 ecosystem components (EVM, The Graph and other indexing solutions)
- Security practices (rate limiting, input sanitization, replay attack protection)
- Cloud deployment experience (AWS/GCP, containerization, IaC)
Senior Backend(Java) Developer in London employer: Aster
Contact Detail:
Aster Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend(Java) Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and join online forums. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those related to backend development and trading systems. This gives potential employers a taste of what you can do beyond your CV.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common interview questions and scenarios related to high-performance API development and microservices architecture.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at StudySmarter.
We think you need these skills to ace Senior Backend(Java) Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in backend development, especially with Java and any relevant technologies. We want to see how your skills align with our needs, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about backend development and how your experience fits into our core job responsibilities. We love seeing enthusiasm and a personal touch.
Showcase Relevant Projects: If you've worked on projects involving real-time data pipelines or trading systems, make sure to mention them! We’re keen to see examples of your work that demonstrate your expertise in high-performance API development and microservices architecture.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy – just follow the prompts!
How to prepare for a job interview at Aster
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description. Brush up on your Java, TypeScript, and any relevant frameworks like Kafka or RabbitMQ. Being able to discuss your experience with these tools confidently will show that you're a strong fit for the role.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in backend development, especially in high-frequency trading scenarios. Use examples that highlight your ability to design low-latency systems and implement risk control measures. This will demonstrate your practical knowledge and problem-solving capabilities.
✨Understand the DeFi Landscape
Familiarise yourself with decentralised finance (DeFi) applications and their architecture. Be ready to talk about price oracle integration and trading simulation engines. Showing that you understand the broader context of your work can set you apart from other candidates.
✨Ask Insightful Questions
Prepare thoughtful questions about the company's approach to microservices architecture and infrastructure reliability. This not only shows your interest in the role but also gives you a chance to assess if the company’s values align with yours. It’s a two-way street!
