Senior Database Infrastructure Engineer

About Welltech

About Welltech
Welltech is a global wellness technology company with Ukrainian roots. Our mission is to build and scale wellness apps globally through state-of-the-art, tech-driven performance marketing.
We are one of the most established players in the wellness app space, and we are accelerating. Over 25.5 million people across the world use our apps — Muscle Booster, Yoga-Go, and WalkFit — to build healthier habits, move more, and feel better every day. Every subscription represents a real person making a real change in their life, and we take that seriously.
With 500+ people across hubs in Cyprus, Ukraine, Poland, Spain, and the UK, we combine the scale of a market leader and the drive of a team that's just getting started.

Why join us?
Welltech is where your work reaches millions of real people.
We're looking for Well-Makers. You'll own decisions, outcomes, and the learning that comes with both. You'll move fast, because action beats perfection here. You'll say what you think, hear the truth back, and get better for it. And when the targets are big — and they are — you won't chase them alone.
If you want a job, there are easier places. If you want to go big — and do it together — this is it.

Position

We are looking for a Senior Infrastructure Engineer with strong experience in database systems to join our Payments platform team. Our Payments Team is at the forefront of building a cutting-edge internal payments platform designed to streamline and revolutionize payment processes across our organization. We’re a highly collaborative and dynamic group, combining expertise in infrastructure, database management, and software engineering to create robust, scalable solutions.

Key Responsibilities:

• Build and maintain cloud infrastructure (AWS) through Infrastructure as Code and automation

• Provide technical leadership and guidance to your team fostering a collaborative and inclusive team environment

• Provide support to other teams that utilize cloud infrastructure

• Help other teams continue to design scalable, reliable, secure infrastructure. Write great documentation, go nuts with diagrams

• Plan, implement, manage, monitor, and upgrade security measures for the protection of the product's data, systems, and networks

• Utilize security tools to monitor assets and remediate findings to strengthen the security posture of the product

• Respond to system and/or network security events

• Use GitOps and CI/CD to automatically test and deploy your code

• Develop and participate in the change management process

• Monitor your infrastructure with Grafana, Prometheus, Datadog and other tools

• Develop and execute periodical security processes, including vulnerability scanning, patching and remediation, account auditing, and related reporting

• Perform daily administrative tasks, reporting, and communication with the relevant departments in the organization

• Be able to clearly communicate your design choices and take feedback

• Research solutions, kick the tyres and deploy prototypes

• Keep abreast of the latest and emerging technologies

• Participate in on-call rotations to ensure system availability and timely incident resolution, providing support during critical outages or disruptions

Your qualification

• Relevant 5+ years of experience as a DevOps with at least 4 years of experience with AWS

• Experience with various AWS services like EC2, S3, Aurora, RDS, EKS, MSK, API gateways, Route53, CloudFront, CloudFormation, CloudTrail,  etc

• Strong experience in relational databases (PostgreSQL, AWS Aurora) and topics like disaster recovery, backup strategies, etc

• Experience in hosting multi-tier/microservice applications on AWS based on customer needs

• Comfortable using one of the following scripting languages for debugging applications, network issues and vulnerabilities: Java, Python, Go, JavaScript, Shell

• Ability to handle production load and issues related to deployments in production

• Experience in setting up IaC using tools like Terraform, Terragrunt, Ansible or similar

• Experience with CI/CD, building and automating deployments & other repetitive tasks using Gitlab or similar

• Knowledge of managing containerized services using Kubernetes and Docker

• Knowledge of how to troubleshoot, identify performance bottlenecks and optimize the performance of the services

• Great awareness of cybersecurity trends and hacking techniques

• Taking full responsibility for the results of own work

• Great communication and collaboration skills

• English at the intermediate level at least, both written and spoken

Will be a plus

• Knowledge of the service-mesh pattern and toolkit (Traefik, Istio, Consul, etc)

• Hands-on experience with Gitlab Ultimate security features

What we offer

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.

• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!

Additional details

Candidate journey

Recruiter call --> Meet a team member --> Skills assessment--> Meet the Leadership team

Check out some of our products

Muscle Booster — https://musclebooster.fitness/ 

Yoga-Go — https://yoga-go.io/ 

Omo — https://omo-weight-loss.app/ 

FastEasy — https://fasteasy.life/ 

WalkFit - http://walkfit.pro