Senior Java Developer
First seen by Alion on Sep 22, 2026.
gravity9 is a boutique IT consulting company headquartered in the UK with offices in the US, Canada, Poland, and Colombia. Our team has deep experience in engineering, experience design and product management. We enjoy a challenge and pride ourselves on working with our clients on their most complex problems, finding elegant and flexible solutions that help them transform their businesses.
Join Our Growing Team - Future Opportunities Await!
We are excited to share that our company is experiencing significant growth and expansion, and as a result, we're on the lookout for talented individuals to join our team.
We want to be upfront about our hiring process. At this moment, we are in the process of securing projects that align with our business goals and objectives. Our intention is to ensure that once we bring new team members on board, they will have a meaningful and impactful role to play from day one. While we might not be able to extend an offer immediately, we are highly interested in considering you for these future projects.
If you're open to the idea of potentially joining our team in the future, we encourage you to continue with our interview process. We value your time and effort and believe that getting to know you better will help us make an informed decision.
Once you have effectively concluded the entire recruitment procedure, we will retain your profile and reach out to you once a suitable opportunity emerges. Additional interviews will not be necessary at this stage, and we anticipate being able to extend an offer to you promptly.
What does the recruitment process look like?1.Recruiter Screen
In the first call, our recruiter will learn more about you and your story to check a potential fit for gravity9. This is also an opportunity to ask your questions about the role and company. This step might take around 60 mins.
2. Tech 1 Interview with our software consultants
In this meeting your potential future teammate will take a deeper dive into your experience and what you could bring to the team.
This step will take around 90 mins.3. Tech 2 Interview with our tech leads
In this meeting your potential future teammate will take a deeper dive into your experience and what you could bring to the team.
This step will take around 90 mins.4. Final Interview
You made it to the very last stage! Here we already strive to cooperate with you and give you an opportunity to meet our leadership team during this informal talk. This step will take around 30 mins.
We are looking for a smart, enthusiastic backend software engineer with experience in MongoDB and a keen interest in current technology and engineering. Using your knowledge of Java and MongoDB, and engineering best practices, you will be involved in helping clients to adopt the latest version of MongoDB across a suite of their application. You will take an active lead in team discussions and code reviews and work collaboratively with your colleagues to identify, prioritise and deliver features which bring value to our clients. You will also guide less experienced developers.
We believe small, multi-disciplinary teams are most effective in delivering complex change. As such, we are looking for someone with a collaborative mindset who is happy to be flexible and take on different responsibilities over the lifetime of our projects.
RequirementsRole requirements - technical skills and experience
This role will suit a highly capable developer with extended working experience with Java, AND/OR Python and MongoDB (or any other NoSQL database).
Must-Have:Excellent command / highly proficient in spoken and written English (working directly with UK/US-based clients)
Expert in Java 8+ and ideally having Java 11/14/17 and OpenJDK experience
Commercial experience with AND/OR Python is required
This role requires a willingness to upskill in additional technologies, including AND/OR Python
Hands-on experience with MongoDB or other NoSQL DB, including data modeling in NoSQL databases
Thorough understanding of Spring, especially Spring Boot, Spring Framework, Spring Data
- Experience working with Azure or AWS
Understanding of Synch and Async communication (REST-based, Queue and/or Topic based (depending on technology)
Proficiency in working with Microservice Architecture
Including containerization, high availability, and failover scenarios
Experience writing unit and integration tests.
Experience in working with Docker and containerized applications
Experience in Maven/Gradle and working with CI/CD pipelines
- AI integration
- AWS Professional Certifications
Key attributes and behaviours to succeed in this role will be:
Ability to understand business requirements and translate them into technical requirements
Customer Focus – passion for understanding the problem we are trying to solve with software and to advocate solutions to your client.
Delivery focus - strong analysis and problem-solving skills. Ability to evaluate, design and implement effective solutions. Flexibility to adapt skills to a spectrum of client engagements, use cases and modes of change delivery.
Exemplary standards of personal integrity and respect for others – professional approach to all aspects of client engagement and collaborative team working, able to quickly build relationships based on trust and transparency. Strong presentation and written and verbal communication are essential given the client facing nature of the role.
Value driven - Creative thinking, with aptitude for innovation and strong desire to exceed client expectations.
Energy – positive attitude and determination to learn and succeed.
Originally posted on Himalayas