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For Companies At a Glance
- Tasks: Design and develop high-performance backend systems for cutting-edge 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 blockchain technology.
- Qualifications: 5+ years in backend development with strong Java skills and blockchain experience.
- Other info: Exciting projects with potential for career advancement in a fast-paced environment.
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 employer: Aster
Contact Detail:
Aster Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend(Java) Developer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and join online forums. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those related to backend development and trading systems. We want to see your real-time data pipelines and API magic in action!
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. We recommend practicing common algorithms and discussing your past experiences with microservices and database optimisation.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Senior Backend(Java) Developer
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 Inside Out
Make sure you’re well-versed in Java, TypeScript, and any other relevant languages mentioned in the job description. Brush up on your knowledge of EVM smart contracts and how they interact with blockchain technologies. Being able to discuss your experience with these tools confidently will show that you're a strong candidate.
✨Demonstrate Real-Time Problem Solving
Prepare to discuss specific examples where you've built real-time data pipelines or handled low-latency requirements. Think about scenarios from your past work, especially in high-frequency trading, and be ready to explain your thought process and the impact of your solutions.
✨Showcase Your Microservices Expertise
Since microservices architecture is crucial for this role, come prepared to talk about your experience designing and implementing microservices. Highlight any projects where you’ve optimised performance or ensured reliability, and be ready to discuss load balancing and failover systems.
✨Ask Insightful Questions
Interviews are a two-way street! Prepare thoughtful questions about the company’s tech stack, their approach to security practices, or how they handle cloud deployments. This not only shows your interest but also helps you gauge if the company aligns with your career goals.
