Project Brains
Mid-level Engineer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Mid-level Engineer (Full Stack Java Engineer) with a contract duration of over 6 months, offering an on-site position. Key skills include Java, React, AWS, and database management. A B.S. in Computer Science or equivalent experience is required.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
January 10, 2026
🕒 - Duration
More than 6 months
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🏝️ - Location
On-site
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📄 - Contract
Fixed Term
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🔒 - Security
Unknown
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📍 - Location detailed
Birmingham, England, United Kingdom
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🧠 - Skills detailed
#NoSQL #DevOps #Spring Boot #Kafka (Apache Kafka) #Cloud #Computer Science #Database Performance #PostgreSQL #Angular #Agile #Database Management #Debugging #Java #MongoDB #React #MySQL #Deployment #Web Services #Databases #AWS (Amazon Web Services) #Microservices #Scala
Role description
Full Stack Java Engineer
Role:
· You will develop financial products with direct impact on millions of consumers
· Systems under your watch will be the primary sources of revenue for the organisation
· You build it: engineers are in control of decisions about systems they own from the first line of code written
· You run it: engineers with assistance from global SRE guild are responsible for operation of systems they built
· You own it: engineers do not wait for orders here. They do research, pitch projects. Great ideas are valued and implemented
· Professional network: you will meet and collaborate with very influential people within the global organisation and the entire industry
Key Responsibilities:
1. Back-End Development:
· Design, develop, and maintain RESTful APIs and microservices using Java , Spring Boot etc.
· Implement business logic, database interactions, and integrations with third-party services.
· Optimize application performance and ensure scalability.
1. Front-End Development:
· Develop responsive and user-friendly interfaces using modern front-end frameworks (e.g., Angular, React, or Vue.js).
· Collaborate with UI / UX designers to implement designs and ensure a seamless user experience.
· Ensure cross-browser compatibility and mobile responsiveness.
1. Database Management:
· Design and manage relational databases (e.g., MySQL, PostgreSQL) and / or NoSQL databases (e.g., MongoDB).
· Write efficient queries and optimize database performance.
1. DevOps and Deployment:
· Collaborate with DevOps to deploy applications in cloud environments
1. Testing and Debugging:
· Write unit, integration, and end-to-end tests to ensure code quality.
· Debug and resolve application issues in a timely manner.
Skills and Experience Needed
· Between 1-3 years experience
· B.S. or higher in Computer Science or related field (or equivalent work experience)
· Expertise in Java, React JS, HTML5, AWS cloud Infra, Mobile, Web
· Familiar with one or more of the following:
o Distributed systems
o NoSQL and relational databases
o Distributed messaging
o Transactional services
· Experience integrating with Restful web services
· Ability to establish trusted partnerships with product heads, and executive level stakeholders
· Comfortable with Agile Operating Models
Preferred Qualifications:
· Experience with microservice based architecture
· Experience with Kafka, MongoDB, Spring, vert.X
This is for full-time, fixed term contract, in office. Please get in touch on info@projectbrains.io
Full Stack Java Engineer
Role:
· You will develop financial products with direct impact on millions of consumers
· Systems under your watch will be the primary sources of revenue for the organisation
· You build it: engineers are in control of decisions about systems they own from the first line of code written
· You run it: engineers with assistance from global SRE guild are responsible for operation of systems they built
· You own it: engineers do not wait for orders here. They do research, pitch projects. Great ideas are valued and implemented
· Professional network: you will meet and collaborate with very influential people within the global organisation and the entire industry
Key Responsibilities:
1. Back-End Development:
· Design, develop, and maintain RESTful APIs and microservices using Java , Spring Boot etc.
· Implement business logic, database interactions, and integrations with third-party services.
· Optimize application performance and ensure scalability.
1. Front-End Development:
· Develop responsive and user-friendly interfaces using modern front-end frameworks (e.g., Angular, React, or Vue.js).
· Collaborate with UI / UX designers to implement designs and ensure a seamless user experience.
· Ensure cross-browser compatibility and mobile responsiveness.
1. Database Management:
· Design and manage relational databases (e.g., MySQL, PostgreSQL) and / or NoSQL databases (e.g., MongoDB).
· Write efficient queries and optimize database performance.
1. DevOps and Deployment:
· Collaborate with DevOps to deploy applications in cloud environments
1. Testing and Debugging:
· Write unit, integration, and end-to-end tests to ensure code quality.
· Debug and resolve application issues in a timely manner.
Skills and Experience Needed
· Between 1-3 years experience
· B.S. or higher in Computer Science or related field (or equivalent work experience)
· Expertise in Java, React JS, HTML5, AWS cloud Infra, Mobile, Web
· Familiar with one or more of the following:
o Distributed systems
o NoSQL and relational databases
o Distributed messaging
o Transactional services
· Experience integrating with Restful web services
· Ability to establish trusted partnerships with product heads, and executive level stakeholders
· Comfortable with Agile Operating Models
Preferred Qualifications:
· Experience with microservice based architecture
· Experience with Kafka, MongoDB, Spring, vert.X
This is for full-time, fixed term contract, in office. Please get in touch on info@projectbrains.io
