Senior QA Engineer – Backend Services, Automation & Performance Testing

At Exxeta we challenge the traditional concept of consulting and tech. Over 1,200 colleagues at 18 various locations across Europe work together every day to create digital solutions, change markets and transform mindsets - driven by our passion for technology, our team spirit and the drive to create real impact. In other words: High-tech with a heartbeat.

Exxeta is now in Georgia and we want you to become part of our growing Heartbeat Georgian Team and to make the world more digital and better together. Join us in creating solutions that are unique.

What awaits you

• Bring your expertise in current technologies and frameworks such as .NET, C#, F#, MS Dynamics Plugins, and Microsoft Azure. Expand your tech stack together with us.
• Design and implement sophisticated software solutions using agile methodologies within a team.
• You will contribute to the continuous improvement of the development process within the team.
• You like creative freedom? You’ll have the opportunity to shape your role in the project and within our organization.
• Interested in exploring and trying out new topics and technologies? Then you’re a perfect fit for us.

What we expect from you

• Personal Background:
  You have extensive experience in the Microsoft ecosystem and ideally hold a degree in (Business) Informatics, Engineering, Natural Sciences, or a comparable (IT-related) qualification or experience.
• Quality Mindset:
  Your passion for high-quality software development and your strong focus on quality are reflected in both your approach to work and the results you deliver.
• Development Expertise:
  You have solid knowledge of C#/.NET (Core) and ASP.NET, work with frameworks within the .NET stack, and use modern tools such as Web Apps, MS Dynamics Plugins, PowerShell, YAML, and Bicep. Ideally you have also experience with Angular.
• Methodological Competence:
  Your knowledge of modern processes, tools, and methods (OOA/OOD, modeling, MDA, design patterns, SOA, agile methodologies) enables you to create real value for your clients.
• Let's talk:
  You are proficient in written and spoken English - excellent (and possibly German)? So you'll fit right in at Exxeta!

Nice to have:
Experience with Azure-Services such as:

• Application Insights, Workbooks, Alerts,
• Key Vault, Container Registry,
• Logic Apps, Functions, Durable Functions,
• Service Bus, Power BI, SQL Server

Why Exxeta

• Take on challenging tasks in in-house development
• Develop your skills further through continuous training, conference participation and internal knowledge exchange
• Enjoy a professional environment within a relaxed, friendly corporate culture
• Stay healthy - our company supports you with a corporate health insurance

We are a home for tech lovers and doers. Origin, age, preferences—none of that matters to us.

Think you don't meet all the requirements 100%? That shouldn't stop you, because we're looking for people, not checkboxes. Even if you can't tick every box, we'd still love to receive your application. Diversity and different perspectives enrich our team – because diversity makes us better.

We want to get to know you and find out what you have to offer. Still have questions? Then get in touch.

Salmon is a technology-driven financial company building a banking and lending platform across Southeast Asia, starting in the Philippines.

7M+ app downloads. 2M+ monthly active users. 7000+ partner stores. US$350M+ raised from top-tier investors.

Here, you get real ownership from day one, high standards, and direct communication. You'll work alongside a team that combines deep local knowledge and experience scaling regulated financial companies from scratch.

If you want to solve complex problems at scale and directly impact how millions of people access and manage money, come build with us.

Southeast Asia's fintech moment starts here.

What You'll Do

• Support and administration of a high-load database (approximately 20,000 transactions per minute)
• Performing and maintaining zero-downtime database migrations (seamless migrations).
• Proactive identification and resolution of database-related issues and performance bottlenecks
• Collaboration with the development team to address tasks related to database architecture and query optimization
• Configuration and maintenance of database PostgreSQL infrastructure in AWS (RDS, Aurora), managed through Terraform
• Participation in database architecture optimization, performance tuning, bottleneck analysis, and proposing improvements
• Handling tasks related to incident and performance management; participation in new projects and services involving databases
• Active involvement in the development process: taking initiative to identify issues and propose tasks, not just handling incoming tickets

What Makes You a Strong Fit

• 3–5+ years of professional experience in software engineering or data engineering (depending on the role)
• Strong knowledge of PostgreSQL — query optimization, indexing strategies, replication, and performance troubleshooting
• Experience working with large-scale data systems, ETL pipelines, or distributed backend systems
• Solid understanding of SQL performance tuning, schema design, and transaction management
• Hands-on experience with Linux systems, monitoring tools, and automation scriptingFamiliarity with AWS services (Aurora, RDS, Redshift, kafka debezium connectors) and similar cloud environments
• Basic understanding of CI/CD pipelines, Git, and containerization (Docker, Kubernetes)

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.

Why does MWDN rock?:

Here’s what you can expect when you join MWDN:

• Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments - no fraud or unpleasant surprises.
• Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
• Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
• Professional development: We offer English courses and professional growth opportunities, as well as team-building events.

Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on DOU.

What is your new project?:

We are a physician-led, value-based healthcare company improving care coordination and engagement for people living with sickle cell disease and other underserved populations

What makes this project exciting?:

The Role

We are seeking a hands-on Senior Full-Stack Software Engineer to help stabilize, develop, and scale its healthcare platform.

The role is intentionally balanced:

• 50% Full-Stack Product Engineering — patient and care-management applications, workflows, UI/UX, APIs, and feature delivery.
• 50% Backend, Cloud & Integration Engineering — AWS, data, healthcare interoperability, DevOps, security, and reliability.

The engineer should be comfortable owning functionality end to end: UI → API → database → cloud →monitoring → production support.

Reports to the Chief Technology Officer and works closely with Product, Clinical, Operations, and external partners

What makes you a great fit:

• 5+ years of production software-engineering experience.
• Strong React/TypeScript/JavaScript front-end experience.
• Strong Node.js/TypeScript, Python, or comparable backend experience.
• Strong REST API, SQL, and PostgreSQL experience.
• Hands-on AWS and Docker/container experience.
• Experience with CI/CD and production application support.
• Experience with authentication, authorization, security, asynchronous processing, and failure handling.
• Ability to troubleshoot across the full stack.

Preferred Experience
Healthcare or regulated-environment experience, particularly with:

HIPAA

• PHI
• FHIR R4/US Core
• HL7/ADT
• HIE/QHIN
• payer integrations
• claims/eligibility data
• ECS/Fargate
• Aurora
• S3/SQS/EventBridge
• CloudWatch
• IAM/KMS/Secrets Manager
• GitHub Actions
• Infrastructure as Code
• clinical workflows
• value-based care
• Amazon Bedrock

Your day-to-day in this position:

Key Responsibilities

• Build and maintain patient-facing and care-management applications using React/TypeScript or similar technologies.
• Develop backend services, APIs, asynchronous workflows, and PostgreSQL-based applications.
• Improve enrollment, care plans, assessments, clinical workflows, communications, dashboards, and administrative capabilities.
• Build integrations with payers, HIEs, QHINs, and healthcare partners using REST APIs, FHIR R4, HL7/ADT, C-CDA, SFTP, and file-based interfaces.
• Implement data validation, patient matching, reconciliation, provenance, duplicate handling, and exception workflows.
• Build and operate AWS services including ECS/Fargate, Aurora PostgreSQL, S3, SQS, EventBridge, CloudWatch, IAM, KMS, and Secrets Manager.
• Strengthen CI/CD, automated testing, environment separation, deployment, rollback, monitoring, backup, and recovery.
• Implement HIPAA-appropriate security, role-based access, PHI protection, audit logging, and secrets management.
• Support governed AI-enabled workflows while maintaining appropriate human clinical oversight.
• Build reusable platform and integration capabilities that support additional payers, states, and clinical programs without creating separate codebases

First 90-Day Priorities

• Stabilize production patient and care-management workflows.
• Resolve high-priority application and usability defects.
• Strengthen authentication, authorization, and PHI handling.
• Improve CI/CD, automated testing, deployment, and rollback.
• Complete development, test/UAT, and production separation.
• Expand application and infrastructure monitoring.
• Improve payer/HIE ingestion, error handling, and reconciliation.

Make long-running workflows resilient and observable.

• Reduce dependence on undocumented or single-person operational knowledge

Why work with us?:

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year pluse all national holidays)
• 10 paid recovery days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers
• Dedicated HR support

Step into the Senior Back End Engineer role at Exadel and solve meaningful challenges with fresh thinking. If curiosity and impact drive you, you’ll feel right at home.

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About The Client

Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory.

Project Tech Stack

Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Mongo, Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot

What You’ll Do

• Providing requirements analysis, system design, .NET development, DB development, troubleshooting, performance tuning, and technical support
• Performing code review to ensure best practices are followed
• Working both independently and in close collaboration with others in the team
• Communicating clear instructions to team members and helping manage the flow of day-to-day operations
• Communicating with the client regularly
• Providing technical leadership for the team – mentor, coach, and lead by example

What You Bring

• Bachelor's or master’s degree in computer science or software engineering
• Extensive professional background in development
• Competency in .NET, ASP.NET Core
• Proficiency in Mongo and/or Azure SQL
• Experience in Azure Cloud, including different SaaS offerings (Service Bus, Blob, Redis, etc.)
• Knowledge of bug-tracking systems
• Pragmatic approach to balancing process against flexibility in achieving objectives
• Organizational skills, including the capacity to self-manage, structure work, set priorities, and work to deadlines

Nice to have

• Expertise in containerization and orchestration tools such as Docker and Kubernetes
• Solid understanding of microservices architecture and its implementation in scalable systems

English level

Intermediate+

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.
• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.
• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.
• Compensation details are shared with candidates at the early stage of the recruitment process.
• The offer is not binding until a signed contract is in place.

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects
• In-office, hybrid, or remote flexibility
• Medical healthcare
• Recognition program
• Ongoing learning & reimbursement
• Well-being program
• Team events & local benefits
• Sports compensation
• Referral bonuses
• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.