Senior Java Software Engineer

🚀 Senior Software Engineer

Building scalable, high-performance applications with modern technologies

💼 Employment Type: Full-time · 12-month fixed-term contract

📊 Seniority: Mid-Senior / Senior Level

🧑 💻 Tech Stack: Java · Python · MySQL · AWS · Open Source Technologies

🌍 Role Overview

We are looking for a Senior Software Engineer to help design, build and evolve scalable, enterprise-grade software applications using modern open-source technologies and cloud platforms.

This role goes beyond coding — you will play a key part in technical design, mentoring engineers, improving engineering standards and contributing to the evolution of the development organisation .

You will work in a collaborative Agile environment , building high-performance applications while promoting innovation, quality and continuous improvement across the team.

🧠 What You'll Do

As a Senior Software Engineer, you will contribute across the entire software lifecycle , helping to design, develop and improve systems while supporting the growth of other engineers.

Your work will include:

✔ Developing, maintaining and enhancing enterprise-scale software applications

✔ Leveraging Open Source technologies such as Java, Python and MySQL

✔ Building and deploying solutions using AWS Cloud Platform services (IaaS & PaaS)

✔ Contributing to software architecture and application design

✔ Improving engineering practices and technical standards across the team

✔ Supporting production environments through advanced problem solving and debugging

🔧 Key Responsibilities

💻 Software Development

✔ Develop, maintain and enhance high-performance applications primarily written in Java

✔ Write clean, maintainable and well-structured code

✔ Design and implement new application features and services

✔ Debug and resolve complex system issues

🧪 Quality & Engineering Practices

✔ Write and maintain comprehensive unit tests for all code changes

✔ Participate in frequent code reviews to ensure high engineering standards

✔ Follow development best practices including:

• Secure coding standards
• Build and release processes
• Source control workflows
• Development lifecycle standards

✔ Ensure applications meet security, performance and reliability standards

🧩 Technical Design

✔ Participate in the design of new software applications and system improvements

✔ Contribute to technical discussions and solution architecture

✔ Promote excellent software design and engineering practices

🛠 Support & Problem Solving

✔ Provide advanced (third-line) technical support when required

✔ Investigate complex production issues and implement robust fixes

🤝 Teamwork & Collaboration

✔ Work closely with engineering teams to identify opportunities for continuous improvement

✔ Actively contribute to team discussions and decision-making

✔ Take ownership of team goals and delivery milestones

✔ Help create an environment where others can learn, grow and succeed

🌱 Mentoring & Leadership

This role includes a strong people-development component .

✔ Mentor and coach engineers to help them reach high technical standards

✔ Support pair programming and collaborative problem solving

✔ Share knowledge and promote engineering excellence across the team

💡 Innovation & Continuous Improvement

We value engineers who actively contribute to innovation and technical evolution .

✔ Support the adoption of new technologies and engineering practices

✔ Identify opportunities to improve development processes and technical solutions

✔ Stay aware of technological trends and industry best practices

✔ Promote a culture where experimentation and learning from mistakes are encouraged

🧩 Essential Skills & Experience

Core Technologies

☕ Strong experience with Java development

🐍 Experience working with Python

🗄 Experience with MySQL or other relational databases

Cloud & Infrastructure

☁ Commercial experience developing applications on AWS (IaaS & PaaS services)

Engineering Fundamentals

🧠 Strong understanding of Object-Oriented Programming principles

⚙ Experience building high-performance, scalable enterprise applications

🧪 Experience writing unit tests and working with testing frameworks

Agile Development

🔁 Experience working with Agile engineering practices , such as:

• Continuous Integration / Continuous Delivery (CI/CD)
• Test-Driven Development (TDD)
• Pair Programming

Problem Solving

🧩 Strong debugging and complex problem-solving abilities

🔍 Ability to take full ownership of technical issues

Communication

💬 Excellent communication skills with technical and non-technical stakeholders

Security

🔐 Understanding of secure coding practices and application security principles

AI-Enhanced Development

🤖 Experience using AI-powered tools within the Software Development Lifecycle (SDLC) , such as:

• AI-assisted coding and refactoring tools
• AI-driven testing or debugging tools
• Developer productivity tools powered by machine learning

⭐ Nice to Have

➕ Leadership or mentoring experience

➕ Exposure to additional technologies such as:

• NoSQL databases
• Machine Learning technologies
• JavaScript / TypeScript
• Go

➕ Experience with Microservice architectures

➕ Experience with application containerisation (e.g., Docker)

➕ Experience with Agile frameworks such as Scrum or XP

🎯 What Success Looks Like

🏆 Quality

• Consistent adherence to engineering standards
• High-quality, well-tested code
• Reliable, secure and performant applications

⚡ Efficiency

• Delivering work aligned with estimates and milestones
• Promoting efficient engineering practices

💬 Communication

• Active participation in team collaboration
• Proactive communication of risks or blockers
• Knowledge sharing across the team

🧠 Professionalism

• Strong technical judgement and design decisions
• Ownership of problems and solutions
• Delivering real business value through technology

🌱 Leadership

• Supporting engineers through mentoring, coaching and pairing

🌟 What We’re Looking For

We are looking for engineers who demonstrate:

🔎 Curiosity and innovation

🎯 Strong execution and results orientation

👥 Customer-focused thinking

📈 Commitment to continuous learning

🤝 Passion for mentoring and developing others