# Junior Support Engineer

**Company:** [Mark43](https://hotfix.jobs/companies/mark43)
**Location:** Manchester, United Kingdom
**Role:** Support Engineering
**Experience:** 0+ years
**Skills:** JavaScript, TypeScript, SQL, Relational Databases, REST APIs, Http, JSON, Git, Frontend Debugging, Backend Systems, Logging, Monitoring, Incident Response, Scripting, SaaS
**Posted:** 2026-07-08

> Provides customer-facing technical support for production SaaS systems, investigating frontend, backend, API, and data issues while collaborating with engineering teams on fixes and root-cause analysis. Requires a bachelor's degree, strong JavaScript or TypeScript and SQL fundamentals, and eligibility to work and undergo security vetting in the UK.

## Job Description

## Responsibilities

- Serve as a first point of contact for customer support requests via phone, ticketing system, and email.
- Triage incoming support tickets by assessing severity and priority and reproducing reported issues.
- Communicate clearly with customers about status and next steps.
- Investigate and resolve technical issues involving frontend bugs, APIs, backend systems, and data.
- Write and execute SQL queries, including read and write operations.
- Debug application behavior using logs and internal tools.
- Develop small scripts or fixes using TypeScript or JavaScript.
- Propose and, where appropriate, implement fixes for simpler issues.
- Escalate complex issues to Engineering with clear documentation.
- Participate in root cause analysis and contribute to product improvements.
- Assist with monitoring and incident response.
- Support continuous improvement of internal processes and documentation.
- Participate in a structured onboarding and training program.
- Support 24×7 operations through shift-based coverage as the team scales.

## Requirements

- Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline.
- Strong foundational knowledge of JavaScript or TypeScript.
- Knowledge of SQL and relational databases.
- Understanding of basic web technologies, including APIs, HTTP, and frontend/backend concepts.
- Ability to troubleshoot technical problems logically.
- Ability to learn new systems quickly.
- Clear and professional written and verbal communication.
- Strong problem-solving and analytical thinking.
- 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.
- Eligibility to work in the UK and at least five consecutive years of UK residency.
- Ability to complete stringent background checks and security vetting conducted by UK law enforcement authorities.

## Preferred Qualifications

- Experience writing SQL queries, including `SELECT`, `UPDATE`, and `INSERT`.
- Experience debugging frontend applications.
- Experience with REST APIs and JSON data structures.
- Experience with Git or other version control systems.
- Exposure to production systems or real-world software environments.
- Experience with scripting or automation.
- Familiarity with logging and monitoring tools.

## Compensation and Benefits

- 28 days of holiday plus UK bank holidays.
- Private medical, dental, and vision insurance through AXA Health and BUPA for employees and dependents.
- 18 weeks of paid parental leave for primary caregivers plus a ramp-back program.
- Income protection covering 75% of salary and death-in-service cover of 4× salary.
- Pension through Nest with a 3% employer contribution.
- Gym reimbursement for employees and partners.
- Equipment allowance for a home office.
- Claude Code Enterprise and ChatGPT Enterprise licenses.
- Spring Health membership with covered therapy sessions and mental wellness tools.
- Company performance-based bonus.
- One-month paid sabbatical after five years.
- Biannual hackathons and a learning budget.

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