About this role
If you are a seasoned Java Engineer passionate about building world-class trading systems, we would love to hear from you! You should be eager to collaborate with a team that values innovation and quality.
In the role of Senior Java Developer at BlackRock's Aladdin core, you will develop the platform supporting our and our clients’ investment and trading. You will invent, build, and support scalable and high-performance applications every day. You will collaborate with trading professionals, product leads, and engineers to specify requirements and provide impactful solutions.
Your role will involve solving technical challenges, optimizing services and data pipelines, and continuously exploring new technologies to improve system performance. Guiding less experienced engineers and contributing to team culture will help maintain the reliability, security, and efficiency of critical trading systems in a dynamic environment.
About the role
Design, develop, and maintain scalable web applications and backend services to support trading operations.
Collaborate with multi-functional teams including traders, product managers, and other engineers to define requirements and deliver solutions.
Implement and optimize high-performance APIs, microservices, and data processing pipelines.
Ensure guidelines in code quality, testing, deployment, and security.
Solve and resolve technical issues across the full stack prioritizing reliability and efficiency.
Continuously research and adopt new technologies to improve team productivity and system performance.
Mentor junior engineers and contribute to a positive, innovative team culture.
About you
Bachelor’s degree or master’s degree or equivalent experience in computer science, Engineering, or a related technical field.
Minimum 7 years’ proven experience working as an end-to-end development engineer, preferably in trading, finance, or similarly sophisticated environments.
Proven experience with object-oriented programming languages such as Java 17+
Solid understanding of Data Structures, Object Oriented Programming concepts and design patterns.
Expertise in designing and maintaining RESTful APIs and GraphQL is a plus.
Background in handling databases SQL and NoSQL (Cassandra, Ignite).
Ability to communicate complex concepts clearly to both technical and non-technical partners.
Strong understanding of software creation process, agile methodologies, and best engineering practices.
Deep comprehension of build patterns in an enterprise environment.
Excellent problem-solving skills and attention to details.
Track record building quality software with design-focused and careful testing approaches.
Experience taking emotional ownership of the design and development of a significant application, system, or key component. Ability to form positive relationships with partnering teams, sponsors, and user groups in a distributed team environment.
Preferred Qualifications
Prior experience working in trading or financial services technology teams.
Knowledge of trading protocols, and low-latency systems.
Familiarity with data analytics and visualization tools.
Experience working with Spring Framework and Spring Boot web services.
Experience in modern web frameworks (such as React, Angular).
Fostering a collaborative environment and driving projects to successful completion.
Strong leadership and mentorship skills are crucial to guide team members and support their professional growth.
Experience leading and managing a team of engineers.
What We Offer
The chance to create a real impact across worldwide trading operations. A collaborative, inclusive team with a focus on professional growth and outstanding technical quality. Opportunities to work with pioneering technologies and sophisticated problem domains. Support for ongoing training, certification, and career progression.
What is Aladdin and Trading Engineering?
You will be working on BlackRock's investment operating system called Aladdin. Aladdin is used both internally within BlackRock and externally by many financial institutions. Aladdin combines sophisticated risk analytics with comprehensive portfolio management, trading, and operations tools on a single platform to power informed decision-making and create a connective tissue for thousands of users investing worldwide.
Our trading engineering team is a highly skilled, collaborative group of technology professionals dedicated to building robust solutions that empower our trading business. We operate at the intersection of finance and technology, designing systems that ensure reliability, speed, and scalability in a global trading environment.
The team is known for its innovative perspective, problem-solving abilities, and passion for delivering high-quality software that drives real business outcomes. We foster a culture of continuous learning, open dialogue, and technical excellence, making us a hub for daring engineers eager to make a tangible impact!
Our benefits
To help you stay energized, engaged and inspired, we offer a wide range of employee benefits including: retirement investment and tools designed to help you in building a sound financial future; access to education reimbursement; comprehensive resources to support your physical health and emotional well-being; family support programs; and Flexible Time Off (FTO) so you can relax, recharge and be there for the people you care about.
Our hybrid work model
BlackRock’s hybrid work model is designed to enable a culture of collaboration and apprenticeship that enriches the experience of our employees, while supporting flexibility for all. Employees are currently required to work at least 4 days in the office per week, with the flexibility to work from home 1 day a week. Some business groups may require more time in the office due to their roles and responsibilities. We remain focused on increasing the impactful moments that arise when we work together in person – aligned with our commitment to performance and innovation. As a new joiner, you can count on this hybrid model to accelerate your learning and onboarding experience here at BlackRock.
About BlackRock
At BlackRock, we are all connected by one mission: to help more and more people experience financial well-being. Our clients, and the people they serve, are saving for retirement, paying for their children’s educations, buying homes and starting businesses. Their investments also help to strengthen the global economy: support businesses small and large; finance infrastructure projects that connect and power cities; and facilitate innovations that drive progress.
This mission would not be possible without our smartest investment – the one we make in our employees. It’s why we’re dedicated to creating an environment where our colleagues feel welcomed, valued and supported with networks, benefits and development opportunities to help them thrive.
For additional information on BlackRock, please visit @blackrock | Twitter: @blackrock | LinkedIn: www.linkedin.com/company/blackrock
BlackRock is proud to be an Equal Opportunity Employer. We evaluate qualified applicants without regard to age, disability, race, religion, sex, sexual orientation and other protected characteristics at law.
Top Skills
BlackRock London, England Office
Drapers Gardens, 12 Throgmorton Avenue, London, United Kingdom, United Kingdom, EC2N 2DL

