# Senior Software Engineer - Connex

**Company**: Mastercard
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Harrogate-England-Vocalink/Senior-Software-Engineer---Connex_R-274939-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_ba125fa5-105

## Description

We are seeking a talented Senior Connex Software Development Engineer to join our dynamic, cross-functional team, working within the SAFe methodology. This is an exciting opportunity to contribute to the advancement of payment technologies.

Key Responsibilities:

- Participate in team prioritisation discussions with Product and Business stakeholders.

- Estimate and take ownership of delivery tasks,including design, development, testing, deployment, configuration, and documentation,to meet business requirements.

- Automate the build, operation, and running aspects of software development and testing.

- Drive code, design, and process trade-off discussions within the team as needed.

- Report on status and manage risks within the primary application or service.

- Drive integration of services with a focus on the customer journey and experience.

- Perform demonstrations and acceptance discussions when interacting with Product Owners.

- Understand operational and engineering experiences and actively work to improve experience and metrics within the area of ownership.

- Develop a complete understanding of end-to-end technical architecture and dependency systems.

- Drive the adoption of technology standards and opinionated frameworks, as well as review coding, testing, and automation work of team members.

- Mentor and guide new and less experienced team members.

- Identify opportunities to improve overall processes and eliminate waste.

- Share and seek knowledge within the Guild or Programme to drive reuse of patterns, libraries, and practices, thereby enhancing productivity.

- Contribute to the test strategy across projects, including BDD-style functional, system integration, and non-functional testing such as volume, performance, resilience, and availability.

- Design innovative test scenarios to uncover potential issues that may not be immediately evident to others.

- Lead online real time transaction switching and ATM acquiring testing activities across multiple platforms.

- Set up, maintain, and execute test automation frameworks across various application platforms.

- Identify opportunities for test automation, prioritising automation efforts based on risk assessment throughout the delivery lifecycle.

- Ensure traceability from business requirements to acceptance criteria is established and demonstrable from the inception of the project.

- Drive innovation in automation across all application tiers, including UI, APIs, CLIs, Connex, HP NonStop, and database layers.

- Investigate and resolve technical issues reported by the customer support team.

- Bring experience in building comprehensive test scenarios and acceptance tests, collaborating within an iterative deployment environment.

Ideal Candidate Profile:

- Highly experienced in Connex on HP NonStop development background.

- Understanding of financial industry hardware such as ATM’s, HSM’s HP Nonstop and related standards and security requirements including PCI and OWASP.

- Excellent understanding of online transaction processing, including knowledge of ATM transaction processing.

- Experience of TCP/IP and communication protocols.

- Strong knowledge of TAL, COBOL, SCOBOL and TACL.

- Understanding of EMV and chip and PIN technology.

- Knowledge of HP Non-Stop protocols, security and utilities.

- Strong understanding of financial industry protocols including ISO8583, ISO20022, LIS5, VISA, MasterCard or ATM message protocols.

- Knowledge of some of GoldenGate, Electronic File Transfers, Java, UNIX, Spring, Hibernate, XML.

- Proven development experiences a solid background as a developer across various platforms.

- Proven technical testing experience within Agile environments, particularly with BDD methodologies.

- Hands-on automation testing expertise using open-source technologies such as Selenium, Cucumber, Gherkin, Spring, etc.

- Be comfortable with regular demonstrations to stakeholders and comfortable with pair programming.

- Exceptional communication skills, with the ability to collaborate effectively within a multidisciplinary team.

- Excellent time management and organisational abilities.

- Strong problem-solving skills and a proactive attitude.

- Genuine passion for testing, development, and technology design across diverse full stack platforms.

- Demonstrated experience in both functional and non-functional automated testing.

## Skills

### Required
- Connex
- HP NonStop
- TAL
- COBOL
- SCOBOL
- TACL
- EMV
- chip and PIN technology
- TCP/IP
- communication protocols
- ISO8583
- ISO20022
- LIS5
- VISA
- MasterCard
- ATM message protocols
- GoldenGate
- Electronic File Transfers
- Java
- UNIX
- Spring
- Hibernate
- XML
- Selenium
- Cucumber
- Gherkin

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Source: [Apply at mastercard.wd1.myworkdayjobs.com](https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Harrogate-England-Vocalink/Senior-Software-Engineer---Connex_R-274939-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)