Junior Support Engineer
Applicants must be authorized to work for any employer in the country in which the role is being hired. We are unable to sponsor or take over sponsorship of an employment visa at this time.
Mark43 is seeking a Junior Support Engineer to join our growing UK support organization, supporting mission-critical public safety systems for global customers including the Greater Manchester Police (GMP).
This role is designed for a recent graduate with strong technical fundamentals who is looking to develop real-world engineering experience in a high-impact, customer-facing environment.
Unlike traditional support roles, this position is engineering-focused, combining customer communication, technical troubleshooting, and hands-on software investigation. You will work directly with production systems, collaborate with senior engineers, and contribute to real fixes in the product.
Key Responsibilities
- Serve as a first point of contact for customer support requests via:
- Phone
- Ticketing system
- Triage and manage incoming support tickets:
- Assess severity and priority,
- Reproduce reported issues
- Communicate clearly with customers on status and next steps
- Investigate and resolve technical issues, including:
- Frontend bugs (JavaScript / TypeScript)
- API and backend-related issues
- Data-related issues using SQL
- Perform hands-on technical work such as:
- Writing and executing SQL queries (read and write operations)
- Debugging application behaviour using logs and internal tools
- Developing small scripts or fixes (TypeScript / JavaScript)
- Proposing and, where appropriate, implementing fixes for simpler issues
- Collaborate with Engineering teams:
- Escalate complex issues with clear documentation
- Participate in root cause analysis
- Contribute to ongoing product improvements
- Participate in support operations:
- Assist with monitoring and incident response
- Support continuous improvement of internal processes and documentation
Required Qualifications
- Bachelor’s degree in:
- Computer Science
- Software Engineering
- Or a related technical discipline
- Strong foundational knowledge of:
- JavaScript or TypeScript
- SQL and relational databases
- Basic web technologies (APIs, HTTP, frontend/backend concepts)
- Demonstrated ability to:
- Troubleshoot technical problems logically
- Learn new systems quickly
- Communicate clearly and professionally
Preferred Qualifications
- Experience with:
- Writing SQL queries (SELECT, UPDATE, INSERT)
- Debugging frontend applications
- REST APIs and JSON data structures
- Git or version control systems
- Exposure to:
- Production systems or real-world software environments
- Scripting or automation
- Logging/monitoring tools
Key Skills
- Strong problem-solving and analytical thinking
- Clear and professional communication (both written and verbal)
- Attention to detail and ability to follow through on issues
- Ability to balance technical work with customer interaction
- Willingness to take ownership and learn in a fast-paced environment
What You’ll Gain