Full Stack Software Engineer, Associate

Hackajob Ltd; Greater London; Hybrid; GBP 61,000 - 101,000; Full time

Benefits offered by this job

Retirement tools

Education reimbursement

Well-being resources

Family support

Flexible time off

Job summary

Preqin, part of BlackRock, seeks an experienced software engineer for its London Engineering team. You will build scalable backend services in Python and .NET, and create intuitive frontend experiences with React and TypeScript in a cloud-first SaaS environment.

The role offers a hybrid work model with in-office days in London, collaboration across international teams, and exposure to modern CI/CD practices and data-centric technologies.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, Mathematics, Organizational Sciences, or related field or equivalent practical experience.
• Experience developing backend applications with Python and .NET, and frontend with React and TypeScript.
• Strong understanding of software engineering, OOP, and best practices.

Responsibilities

• Build new features end-to-end from concept to production deployment and support.
• Develop and maintain scalable backend services using Python and .NET, and front-end with React and TypeScript.
• Own components of a SaaS platform including production monitoring, support, and incident resolution in cloud environments.
• Apply information security principles across design, development, testing, and deployment.

Skills

Python

.NET

React

TypeScript

OOP

REST

gRPC

Microservices

AWS

GraphQL

SQL

MongoDB

Snowflake

Java

Education

Bachelor's or Master's degree in CS/Engineering/Math/Organizational Sciences or related field

Tools

Backend

CI/CD

Cloud

Frontend

Job description

Salary: £61,000 - 101,000 per year

Requirements:

• We require a Bachelors or Masters degree in Computer Science, Engineering, Mathematics, Organizational Sciences, or a related field, or equivalent practical experience.
• We require demonstrated experience developing backend applications with Python and .NET, together with frontend development using modern frameworks such as React and TypeScript.
• We require a strong understanding of software engineering principles, Object-Oriented Programming (OOP) concepts, and best practices, combined with strong analytical, problem-solving, and prioritization skills.
• We require experience designing, building, and integrating APIs using REST, gRPC, and modern microservices-based architectures.
• We require experience working within existing codebases and contributing to the deployment of cloud-native applications.
• We require strong communication skills in English and an interest in understanding business and product domains; experience in financial services is beneficial.
• We require familiarity with data technologies such as Microsoft SQL Server, MongoDB, and Snowflake.
• Nice to have: experience with Java development.
• Nice to have: experience with GraphQL APIs and application integrations.
• Nice to have: exposure to Amazon Web Services (AWS).
• Nice to have: familiarity with enterprise-grade container orchestration platforms supporting declarative infrastructure and horizontal scaling.
• Nice to have: familiarity with modern DevOps practices and cloud-native engineering approaches.

Responsibilities:

• We build new features end-to-end, from concept and design through production deployment and support.
• We develop and maintain scalable backend services using Python and .NET, and create intuitive frontend experiences using React and TypeScript.
• We take ownership of components within a Software as a Service (SaaS) platform, including production monitoring, operational support, and incident resolution in cloud environments.
• We apply information security principles throughout software design, development, testing, and deployment activities.
• We contribute to engineering excellence through Continuous Integration and Continuous Delivery (CI/CD), automated testing, code reviews, and continuous improvement initiatives.
• We collaborate closely with product, engineering, and business stakeholders to deliver high-quality solutions that meet client and business needs.
• We contribute to the design and evolution of cloud-native, distributed systems and modern application architectures.
• We apply sound judgement and critical thinking to solve complex problems, adapt as the business evolves, and combine curiosity with rigor to challenge results.

Technologies:

• AWS
• Backend
• CI/CD
• Cloud
• DevOps
• Frontend
• GraphQL
• Support
• Java
• MongoDB
• OOP
• Python
• REST
• React
• SQL
• Security
• Snowflake
• TypeScript
• Web
• gRPC
• microservices
• ASP.NET
• AI
• Fullstack

More:

We are BlackRock, and this role is with Preqin, part of BlackRock, for our London Engineering team. We develop and support technology solutions that power Preqins private markets platform, helping clients access high-quality data, analytics, and workflow capabilities globally. You will join a collaborative, international engineering team focused on scalable, cloud-first solutions and modern software engineering practices across the full product lifecycle. We offer a wide range of employee benefits including retirement investment tools, education reimbursement, comprehensive physical and emotional well-being resources, family support programs, and Flexible Time Off. We work in a hybrid model, with employees currently required to be in the office at least 4 days per week and able to work from home 1 day a week, supporting collaboration, apprenticeship, learning, and onboarding. We are committed to creating an environment where colleagues feel welcomed, valued, and supported, and we are proud to be an Equal Opportunity Employer.