Staff Backend Engineer - Crypto Trading Platform location: Remote - US or Europe (US Preferred) compensation: Competitive Base Salary + Bonus We are hiring on behalf of our client, a market-leading company at the forefront of crypto trading technology. Their platform is known as the largest in its category, having facilitated over $22 billion in volume for more than 50,000 daily active users. They deliver seamless on-chain trading experiences with advanced tools like DCA & limit orders, sniping, and automatic wallet copy-trading, setting the standard for speed, innovation, and reliability. Your work will be live in the hands of tens of thousands of users immediately upon completion. They are seeking a Staff Backend Engineer with proven expertise in designing, building, and owning scalable, high-throughput, and low-latency microservices-based backends in TypeScript. This highly autonomous technical leadership role involves reporting directly to the technical co-founders. You will be expected to thrive on complex challenges and drive the development of new innovative features. Key Responsibilities: - Project/Product Ownership: Take leadership and oversight of the platform's backend services, reporting directly to the technical co-founders. - Backend Development: Design, develop, and maintain robust backend services using TypeScript (Bun.js framework) to support core trading functionality, analytics tools, and third-party integrations. - System Availability/Reliability: Design scalable and fault-tolerant architectures, implement monitoring/alerting, and maintain disaster recovery protocols to ensure system availability. - Performance Optimisation: Ensure backend systems and database queries deliver top-tier speed and reliability for thousands of concurrent users with large, real-time data streaming requirements. - Code Quality: Uphold best practices by writing well-structured, efficient, and well-documented code, minimizing technical debt. - Collaboration Across Teams: Work closely with frontend teams and users to align backend solutions with platform objectives. - Technical Leadership: Direct and mentor teams to accomplish goals and ship first-class products.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description Our client is an industry-leading DeFi organization building the next generation of trading infrastructure. This role is central to scaling trading interfaces that manage billions of dollars in daily volume while maintaining high-speed, intuitive user experiences. - System Architecture: Own and drive architectural decisions for the client’s backend systems to ensure scalability and reliability. - Data Pipelines: Build and operate high-performance, real-time data pipelines for order book updates, trade executions, and market events. - API Management: Design and maintain the API layer (utilizing GraphQL and WebSockets) to serve high-traffic web and mobile clients. - Database Optimization: Work extensively with ClickHouse, PostgreSQL, and Redis to manage and query high-volume trading data efficiently. - Performance Monitoring: Instrument services with comprehensive metrics and alerting systems; participate in on-call rotations to ensure 24/7 system availability. - Technical Troubleshooting: Debug complex latency issues, memory management problems, and system reliability concerns under heavy load. - Cross-Functional Collaboration: Partner with frontend and mobile engineers to ensure analytical data is served effectively via API. Qualifications - 5+ years of production backend engineering experience, preferably with a strong command of TypeScript. - Proven expertise in WebSockets, event streaming, and pub/sub architectures. - Deep familiarity with PostgreSQL and Redis; experience with ClickHouse or similar columnar databases is highly preferred. - A track record of operating high-availability services at significant scale. - A solid understanding of core trading concepts, including orders, fills, order books, positions, and execution logic. - Strong debugging skills with experience in performance profiling, slow query optimization, and resolving memory leaks. Nice-to-Have Qualifications - Experience with Kafka or comparable streaming systems. - Professional background in fintech, trading platforms, or low-latency applications. - Familiarity with DeFi protocols or on-chain data structures. Benefits - A competitive salary ranging from $150,000 to $200,000 USD, plus equity. - A dedicated stipend for an ideal remote workspace, including laptop, peripherals, and necessary gear. - Multiple in-person team offsites and coworking sessions hosted worldwide. - A flexible vacation policy that genuinely encourages time off for recovery and inspiration. - A dedicated learning and development budget to support continuous mastery of the craft.

Job Description We are seeking early-career Application Developers to join small, collaborative project teams responsible for building and enhancing back-office applications for a corporate customer. This role is ideal for candidates who are motivated to grow their technical skills, contribute to real production systems, and work closely with senior developers and project leads in an Agile environment. Key Responsibilities - Assist in the design, development, testing, and maintenance of internal business applications. - Learn and work within existing codebases, contributing incremental features and improvements. - Participate in daily stand-ups, sprint planning, and team discussions to support project goals. - Monitor application performance, troubleshoot issues, and support bug-fixing activities. - Collaborate with other developers, analysts, and stakeholders to deliver high-quality solutions. - Follow established software development lifecycle (SDLC) practices and coding standards. - Prepare basic documentation, reports, and test results as part of development tasks.• These responsibilities align with common expectations for junior developers, such as assisting with coding, attending team meetings, and monitoring system performance Required Education, Experience, & Skills - 0-3 years of experience in software or application development. - Foundational knowledge of one or more programming languages (e.g., JavaScript, Java, Python, C#, or similar). - Understanding of web technologies such as HTML/CSS and basic scripting practices, consistent with typical junior developer skill sets B. - Ability to work effectively in small project teams and communicate clearly with technical peers. - Must be a U.S. citizen and must reside within the Continental United States for remote work eligibility. Preferred Education, Experience, & Skills - Bachelor's degree in Computer Science, Information Systems, or related field - or equivalent practical experience. - Familiarity with Agile/Scrum methodologies. - Exposure to databases (SQL or NoSQL) and API-driven development. - Interest in learning modern frameworks, cloud services, or automation tools. Pay Information Full-Time Salary Range: $72150 - $122655 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do-from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Job Description We are seeking early-career Application Developers to join small, collaborative project teams responsible for building and enhancing back-office applications for a corporate customer. This role is ideal for candidates who are motivated to grow their technical skills, contribute to real production systems, and work closely with senior developers and project leads in an Agile environment. Key Responsibilities - Assist in the design, development, testing, and maintenance of internal business applications. - Learn and work within existing codebases, contributing incremental features and improvements. - Participate in daily stand-ups, sprint planning, and team discussions to support project goals. - Monitor application performance, troubleshoot issues, and support bug-fixing activities. - Collaborate with other developers, analysts, and stakeholders to deliver high-quality solutions. - Follow established software development lifecycle (SDLC) practices and coding standards. - Prepare basic documentation, reports, and test results as part of development tasks.• These responsibilities align with common expectations for junior developers, such as assisting with coding, attending team meetings, and monitoring system performance Required Education, Experience, & Skills - 0-3 years of experience in software or application development. - Foundational knowledge of one or more programming languages (e.g., JavaScript, Java, Python, C#, or similar). - Understanding of web technologies such as HTML/CSS and basic scripting practices, consistent with typical junior developer skill sets B. - Ability to work effectively in small project teams and communicate clearly with technical peers. - Must be a U.S. citizen and must reside within the Continental United States for remote work eligibility. Preferred Education, Experience, & Skills - Bachelor's degree in Computer Science, Information Systems, or related field - or equivalent practical experience. - Familiarity with Agile/Scrum methodologies. - Exposure to databases (SQL or NoSQL) and API-driven development. - Interest in learning modern frameworks, cloud services, or automation tools. Pay Information Full-Time Salary Range: $72150 - $122655 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do-from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.