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Mark43

SQL Developer

United Kingdom
Posted about 21 hours ago
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Data Migration Engineer (ETL Developer)

About Mark43

Mark43’s mission is to empower communities and their governments with new technologies that improve safety and quality of life for all. We build powerful, scalable, and elegant software that sets a new standard for the tools on which first responders rely. Our users are diverse, and we are committed to embracing diversity of thought and experience within our team.

About the Role

We’re looking for a Data Migration Engineer (ETL Developer) to join our team. You’ll be at the heart of the customer transition experience, designing and executing complex data migrations that enable agencies to adopt Mark43’s systems with confidence. You’ll work across internal teams and with external partners to help deliver clean, meaningful, and high-quality data into Mark43 products.

This role is a great fit for someone who thrives on solving complex puzzles, is energized by working with public safety data, and enjoys balancing technical depth with customer-facing collaboration.

What You Can Expect to Work On

If you were part of our team last week, you would have:

  • Designed and executed a SQL-based ETL process to migrate decades of public safety data from a legacy system into the Mark43 platform
  • Collaborated with our data migration contractors, reviewing technical deliverables and providing guidance to help them succeed
  • Met with a customer’s records management team to understand their legacy data structure and translate it to the Mark43 schema
  • Dug into a uniquely formatted source database to uncover edge cases and ensure data fidelity
  • Worked alongside Mark43 deployment, engineering, and product teams to iterate on and improve our migration tooling and process
  • Balanced project timelines and quality standards while maintaining strong relationships with both internal and external stakeholders

What We Expect from You

We’re looking for a data migration engineer with 2+ years of experience in ETL development or SQL-based data engineering roles. You should have a comprehensive understanding of data migration processes and be comfortable owning projects from discovery through delivery. Your attention to detail and ability to navigate ambiguity will be key to success.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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People who thrive on our team also tend to share the following traits:

  • Curious and resourceful. You enjoy figuring out how systems work and how to make them work better.
  • Clear and collaborative. You communicate technical details to non-technical stakeholders and work well across teams.
  • Committed to quality. You take pride in your work and sweat the details.

Qualifications

  • 2+ years of experience in a data migration, ETL development, or SQL development role
  • Deep understanding of SQL and relational database design
  • Demonstrated experience writing complex SQL scripts
  • Ability to analyze and translate legacy data models into new schemas
  • Experience managing contractor deliverables is a plus
  • Interest in public safety data and the impact of high-quality migrations on customer success
  • Prior work with public safety or government systems is a bonus

What You Can Expect from Us

  • Constant collaboration with numerous Mark43 teams, including Global Services, Engineering, and Product
  • Building mission critical and socially responsible software to enable first responders to better serve their communities
  • A team that respects and embraces your ideas and expertise
  • Coworkers that are motivated by pursuing excellence, rather than the prospect of personal gain
  • A workplace dedicated to supporting and bettering public safety and government agencies

Location

This is a remote position for United Kingdom residents only.

Mark43 is approved to hire in Canada, the UK, and 36 U.S. states, including Alabama, Arizona, California (excluding San Francisco), Colorado, Connecticut, Washington D.C., Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, and West Virginia. Before applying to a remote role, please ensure that you are able to perform the position in one of the states listed above. State locations and specifics are subject to change as our hiring requirements shift.

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Equal Opportunity Employer

Mark43 is committed to the full inclusion of all qualified individuals. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment, we will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed, please email recruiting@Mark43.com requesting the accommodation.

Our Privacy Notice describes how Mark43 uses and protects the personal information of prospective employees during the recruitment process. It informs you about our handling of the personal information you provide to us when you apply for a position in our organization and in general when you express your interest in joining our team.

As a part of Mark43's security measures, all employees must:

  • Engage in appropriate use of the company's electronic information resources
  • Become knowledgeable about and follow relevant security policies and guidelines
  • Protect the resources under their control, such as passwords, computers, and data that they create, receive, or download
  • Promptly report security-related incidents and violations, and responding to official reports of security incidents involving their systems or accounts
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Location

United Kingdom

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