Senior Software Engineer developing reliable, scalable, and secure payment flows integrated with core banking. Join Luminor to build a local banking champion in Estonia.
About the role
- Responsible for executing full stack software development on payment integrations at U.S. Bank. Collaborating with teams and ensuring high-quality software that meets customer needs.
Responsibilities
- Responsible for designing, developing, testing, operating and maintaining products
- Takes full stack ownership by consistently writing production-ready and testable code
- Consistently creates optimal design adhering to architectural best practices; considers scalability, reliability and performance of systems/contexts affected when defining technical designs
- Performs analysis on failures, propose design changes, and encourage operational improvements
- Makes sound design/coding decisions keeping customer experience in the forefront
- Takes feedback from code review and apply changes to meet standards
- Conducts code reviews to provide guidance on engineering best practices and compliance with development procedures
- Accountable for ensuring all aspects of product development follow compliance and security best practices
- Exhibits relentless focus in software reliability engineering standards embedded into development standards
- Embraces emerging technology opportunities and contributes to the best practices in support of the bank’s technology transformation
- Contributes to a culture of innovation, collaboration and continuous improvement
- Reviews tasks critically and ensures they are appropriately prioritized and sized for incremental delivery; anticipates and communicates blockers and delays before they require escalation
Requirements
- Bachelor’s degree, or equivalent work experience
- Five to six years of relevant experience
- Expert level hands-on experience in JavaScript / TypeScript / React.
- Expert level hands-on experience in Node.js for backend development.
- Experience with REST/GraphQL APIs.
- React and Shopify Polaris for UI development.
- React.js and its core principles
- Hands‑on experience with PHP (7.x/8.x+) and WordPress, including custom theme and plugin development, performance optimization, and troubleshooting.
- Hands-on experience building shopping cart payment plugins or integrations is a plus
- Experience in Cloud native development in Azure, AWS or GCP is preferred.
- Experience in streaming technologies like Apache Kafka, Spark is preferred.
- Experience with RDBMS like PostgreSQL, and/or MS SQL
- Experience in NoSQL databases like Cassandra, MongoDB.
- Prior experience with data structure libraries (e.g., Immutable.js)
- Experience in Jenkins/Cloud bees, Apigee, Kubernetes, Rancher.
- Thorough understanding of a feature, the users impacted, the flows impacted and feature's purpose
- Adept with agile software development lifecycle and DevOps principles
- Able to communicate processes and results with all parties involved in the product team, including engineers, product owner, scrum master, third party vendors and customers
- Strong problem-solving and analytical skills.
Benefits
- Healthcare (medical, dental, vision)
- Basic term and optional term life insurance
- Short-term and long-term disability
- Pregnancy disability and parental leave
- 401(k) and employer-funded retirement plan
- Paid vacation (from two to five weeks depending on salary grade and tenure)
- Up to 11 paid holiday opportunities
- Adoption assistance
- Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law
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