Locations: London, United Kingdom

About this role

Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world’s most complex problems? Do you want to work with, and learn from, hands-on leaders in technology and finance?

At BlackRock, we are looking for Software Engineers who like to innovate and solve complex problems. We recognize that strength comes from diversity, and will embrace your unique skills, curiosity, drive, and passion while giving you the opportunity to grow technically and as an individual.

With over USD $10 trillion of assets, we have an exceptional responsibility: our technology empowers millions of investors to save for retirement, pay for college, buy a home, and improve their financial wellbeing.

As a senior developer at BlackRock, you'll work for a leading financial company and be part of a team creating next-generation technology.

What isAladdin Engineering?

Our development teams sit inside Aladdin Engineering. We collaboratively build the next generation technology that changes the way information, people, and technology intersect for global investment firms. We build and package tools that manage trillions in assets and support millions of financial instruments. We perform risk calculations and process millions of transactions for thousands of users every day worldwide.

Which team will you be in?

You will be working as a key member of our core Private Markets technology team. Your team will be based in London and is part of the wider team responsible for engineering our cloud-first Private Markets platform using a microservice architecture. This platform supports hundreds of client businesses, managing and analysing their portfolios. The team’s focus is to design and implement finegrained authorization and permissions management using RBAC and policybased approaches.The team will be owning permissions management capabilities (roles, entitlements, lifecycle changes) and drive integration with the central authentication platform to enable consistent access control across applications and environments.

The team is very quickly moving to AI-enabled development, and you will be at the heart of that transformation.

Being a member of Aladdin you will be:

• Tenacious: Work in a fast paced and highly complex environment,

• Creative thinker: Analyse multiple solutions and deploy technologies in a flexible way.

• Great teammate: Think and work collaboratively and communicate effectively.

• Fast learner: Pick up new concepts and apply them quickly.

Your Responsibilities

• Work closely alongside the Engineering Lead to deliver on the technical strategy for your team.

• Collaborate directly with colleagues across Private Markets and the wider Aladdin organization to build and deliver market leading software at pace.

• Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles.

• Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical specifications.

• Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing applications using a Java backend and React frontend.

• Optimize performance and reliability through continuous testing, debugging, and refinement.

• Stay abreast of industry trends and emerging technologies to drive innovation and maintain a competitive edge, with a particular focus on AI.

• Provide technical leadership and mentorship to more junior developers, fostering a culture of learning and growth within the team.

Ideally, you should have…

• 7+ years of professional experience in Java development, with a focus on building clientfacing APIs or platforms

• Strong written and verbal communication skills, with experience managing and mentoring diverse teams.

• Knowledge of building applications using AI tooling and frameworks (e.g. LLMs, prompt engineering, vector databases).

• Experience integrating AI/ML services into backend systems and APIs.

• Familiarity with AIdriven development practices and tools for code generation and testing.

• Strong proficiency in Java and related frameworks (e.g. Spring Boot, Hibernate).

• Some experience in React or similar, and modern JavaScript/TypeScript.

• Solid experience with objectoriented design and applying standard design patterns

• Experience designing, building, and deploying scalable microservices using APIfirst principles with REST and/or gRPC.

• A strong appreciation for best practices, attention to detail, and building secure and stable systems.

• A collaborative mindset, with a drive to build highquality software efficiently.

• Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT).

• Handson experience with engineering tools such as Git, Maven, unit and integration testing frameworks, and mocking libraries.

• Excellent problemsolving skills and attention to detail.

• Exposure to Docker, Kubernetes, and cloud services in an enterprise environment is beneficial.

• Experience with message brokers such as Kafka a plus.

• A friendly, positive, and cando attitude.

• A Bachelor’s degree in Computer Science, Engineering, or a related field.