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- Tasks: Lead PostgreSQL migrations and optimise database performance for enterprise clients.
- Company: Crosstide is a dynamic London-based consultancy focused on digital transformation and software development.
- Benefits: Enjoy flexible working with a contract role and the chance to work with cutting-edge technology.
- Why this job: Join a collaborative team and make a significant impact on high-value projects in a thriving environment.
- Qualifications: Strong PostgreSQL experience, especially in performance tuning and database migrations required.
- Other info: Contract length is 6 months, with travel to London once a week.
The predicted salary is between 43200 - 72000 £ per year.
Crosstide are a London-based digital transformation consultancy with a proven track record of delivering high value and complex software development for enterprise businesses. Engineering quality and speed to value are the DNA of the business, true to the founding values of quality, simplicity and collaboration.
We’re looking for an experienced PostgreSQL Database Specialist to join the team on a contract basis. This is a high-impact role where you'll play a key part in shaping the migration approach, optimising database performance, and promoting best practices across engineering teams.
Key Responsibilities- Support and guide internal teams through a complex PostgreSQL migration
- Optimise PostgreSQL performance at scale — including schema design, indexing, and query tuning
- Provide technical leadership on database best practices for scalability, reliability, and maintainability
- Collaborate with cross-functional teams (platform, architecture, and delivery)
- Mentor teams on PostgreSQL usage and performance techniques
- Strong, hands-on experience with PostgreSQL, especially in performance tuning and optimisation
- Experience with database migrations (e.g. from Oracle or other legacy systems to PostgreSQL)
- Deep understanding of schema design, query optimisation, and indexing strategies
- Familiarity with cloud and modern tooling (e.g., Terraform, AWS/GCP, monitoring tools)
- Great communication skills — able to clearly explain database concepts to varied audiences
Contract Length: 6 months initially
IR35 Status: Outside IR35
Location: Travel to London (once per week)
Start Date: End of May
PostgreSQL Database Expert employer: Crosstide
Contact Detail:
Crosstide Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land PostgreSQL Database Expert
✨Tip Number 1
Familiarise yourself with the latest PostgreSQL features and best practices. Being up-to-date will not only boost your confidence but also demonstrate your commitment to continuous learning, which is highly valued in a fast-paced consultancy environment like Crosstide.
✨Tip Number 2
Network with professionals in the PostgreSQL community. Attend meetups or webinars to connect with others in the field. This can provide you with insights into current trends and challenges, and may even lead to referrals or recommendations for the role.
✨Tip Number 3
Prepare to discuss specific examples of your past work with PostgreSQL, especially around performance tuning and migrations. Be ready to explain your thought process and the impact of your contributions, as this will showcase your expertise and problem-solving skills.
✨Tip Number 4
Demonstrate your collaborative skills by preparing to discuss how you've worked with cross-functional teams in the past. Highlighting your ability to communicate complex database concepts to non-technical stakeholders will set you apart as a strong candidate for this role.
We think you need these skills to ace PostgreSQL Database Expert
Some tips for your application 🫡
Understand the Role: Before applying, make sure you fully understand the responsibilities and requirements of the PostgreSQL Database Expert position. Familiarise yourself with the key tasks such as migration support, performance optimisation, and mentoring.
Tailor Your CV: Highlight your hands-on experience with PostgreSQL, especially in areas like performance tuning and database migrations. Use specific examples from your past work to demonstrate your expertise and how it aligns with the job description.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for database management and your ability to lead teams. Mention your familiarity with cloud tools and your communication skills, as these are crucial for the role.
Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any errors or typos. A polished application reflects your attention to detail, which is essential for a technical role like this.
How to prepare for a job interview at Crosstide
✨Showcase Your PostgreSQL Expertise
Be prepared to discuss your hands-on experience with PostgreSQL, especially in areas like performance tuning and optimisation. Highlight specific projects where you've successfully improved database performance or managed migrations from other systems.
✨Demonstrate Problem-Solving Skills
Expect to face scenario-based questions that assess your ability to troubleshoot and optimise database performance. Prepare examples of challenges you've encountered in previous roles and how you resolved them, particularly in schema design and query optimisation.
✨Communicate Clearly
Since the role requires explaining complex database concepts to varied audiences, practice articulating your thoughts clearly and concisely. Use simple language to explain technical details, ensuring that even non-technical team members can understand your points.
✨Familiarise Yourself with Modern Tools
Brush up on your knowledge of cloud services and modern tooling relevant to PostgreSQL, such as Terraform and AWS/GCP. Be ready to discuss how these tools can enhance database management and performance, as well as any experience you have using them.
