Expert Backend Developer Wanted

Backend Developer Opportunity

We are seeking a skilled Backend Software Engineer with strong Quality Assurance experience to join our team working on payments solutions in e-commerce.

You will collaborate closely with the product owner, area architect, and your team members to clarify business needs and technical requirements and define how to support them best.

In close collaboration with other teams, your team will introduce new features and improvements to the process to provide a better experience for our customers.

As our Senior Backend Software Engineer and QA expert, you will work in a challenging Agile environment in close collaboration with other teams.

You will participate in the team's technical/architectural discussions and decisions.

You will develop and continuously deliver applications for one of the most successful pet e-commerce platforms in Europe.

You will participate in the complete software development life cycle from discovery through coding, testing, deployment, and maintenance daily, learning and growing your skills, striving for mastery using state-of-the-art technologies and practices such as AWS, Microservices, Docker, and much more.

Assess, define, implement, and maintain, with the support of the team and of the QA Center of Practice team, the testing approach toward complete automated testing and continuous validation of your applications.

About This Position

This role requires an urgent integration with Klarna that necessitates a team of 3 engineers to collaborate closely with client's Payment team.

Mandatory Qualifications

• Fluent English verbal and written communication skills.
• 6+ years of experience with Java 11+ and Spring framework.
• 2+ years of practical TDD/BDD application.
• 3+ years of experience within Agile practices and knowledge of Agile values & principles.
• Focus on automated testing and good experience with different levels of tests (unit tests, integration tests, end-to-end tests).
• You can understand the architectural landscape and technically investigate and implement new features independently.
• Passionate about writing clean, modular, testable code designed with architectural principles in mind and proper use of design patterns.
• Strong experience with DevOps tools and practices (container orchestration, CI, monitoring and alerting, AWS & Kubernetes).
• Experience working with Microservices.
• Experience with relational/non-relational databases.

Desirable Skills

• Experience integrating with Klarna.
• Recent and hands-on experience with end-to-end payment processes and systems and integration with PayPal via providers, especially Adyen.
• Understanding frontend technologies like React, NPM, Javascript, and Angular is beneficial.

Your Responsibilities

• Participate in solution investigation, estimations, planning, and alignment with other teams.
• Design, implement, deliver, and support backend solutions (restful web services) using micro-services architecture.
• Work in close collaboration with QA CoP (Center of Practice) teams to integrate quality assurance tooling and processes within your teams application.
• Promote and implement test automation (e.g., unit tests, integration tests, e2e tests, and performance tests).
• Build and maintain CI/CD pipelines for continuous integration, development, testing, and deployment.
• Deploy applications on the cloud using technologies such as Docker, Kubernetes, AWS, and Terraform.
• Work closely with the team in an agile and collaborative environment.
• This involves code reviews, pair programming, knowledge sharing, and incident coordination.
• Maintain existing applications and reduce technical debt.

Why Join Us

Our team has several unique aspects that contribute to a positive and fulfilling experience:

• We work in self-organized teams following Scrum methodology, respecting, and valuing everyone's opinion.
• We learn from each other and share knowledge through pair programming, code reviews, and many training opportunities.
• We deliver value by developing new features, maintaining existing products, and improving all the infrastructure we need.
• We are committed to delivering high-quality products and believe that continuous delivery, clean code, and a DevOps mindset are key to achieving this goal.
• Our team values a friendly and collaborative environment and greatly encourages open communication and teamwork.
• We believe in a team approach and do not assign blame; instead, we work together to build and maintain the system.
• We embrace diversity, having colleagues from over 50 countries.
• This means our working language is English.

Technologies We Leverage

• Kotlin, Java 11+, Spring framework (Boot, Hibernate).
• Oracle, PostgreSQL.
• Ci/Cd with Jenkins pipeline.
• InfluxDB, Grafana, Sensu, ELK stack.
• Infrastructure as a code, one-click deployment, C4 diagrams.
• Mesos/Marathon, Docker, Kubernetes.
• Amazon Web Services and cloud deployments (S3, SNS, SQS, RDS, DynamoDB, etc.), using tools such as Terraform or AWS CLI, Git, Scrum, Pair Programming, Peer Reviewing.

---