Lead/Senior Backend Software Engineer

Salary: £43,000 - 83,000 per year

Requirements:

• Proven working experience in software engineering
• At least a BSc degree in Computer Science or Engineering, with an MSc preferred
• Ability to develop in Java
• Experience with functional programming languages
• Excellent knowledge of relational databases, SQL and ORM technologies such as JPA2 and Hibernate, with prior experience of NoSQL solutions
• Hands-on experience in designing interactive applications
• Experience with test-driven development
• Mastery of software engineering tools
• Ability to document requirements and specifications
• Familiarity with agile software development methodology and release processes
• Experience working in international environments
• High ability to adapt communication for technical and non-technical audiences
• Team player who makes the team more efficient and enjoyable
• Appreciation for diversity in an international company
• Pro-active approach with a focus on pragmatic solutions
• Pedagogical mindset and enjoyment in training others

Responsibilities:

• Design the most appropriate solutions
• Develop software solutions by studying information needs and conferring with users
• Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions
• Improve operations by conducting systems analysis and defining changes in policies and procedures
• Write well-designed, testable, efficient code
• Produce designs and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Tailor and deploy software tools, processes, and metrics
• Serve as a subject matter expert by updating job knowledge through studying state-of-the-art development tools and programming techniques, participating in networks, and reading professional publications
• Coach more junior team members, organise training sessions, and promote best coding practices

Technologies:

• Backend
• Hibernate
• Support
• Java
• Mobile
• Network
• NoSQL
• SQL

More:

We are Ksubaka, a London-based engineering team and market leader in in-store gamified advertising. We create bite-size, engaging advertising experiences on our network of in-store playSpots, helping shoppers discover brand benefits and receive coupons on their mobile phones. This is a permanent Lead/Senior Backend Software Engineer role with a salary range of 50,000 to 75,000, where you will help design and build our software platform to support new experiences and future growth.

last updated 36 week of 2026