Java Developer (Payments) in Belfast

Technical Consultant - Java Developer with Python and Payments experience

About Synechron

Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting‑edge technologies.

Job Location: Belfast (Hybrid – 3 days in the office)

Job Purpose

The Technical Consultant is responsible for overseeing the successful delivery of technical solutions in alignment with company policies and client contractual obligations. They take the lead and work collaboratively with cross-functional teams to deliver a range of projects varying in complexity, typically lasting from 6 to 12 months, and do so with minimal supervision. Their role involves managing several projects simultaneously, following established project methodologies. The Technical Consultant ensures clear communication between clients and internal teams, proactively managing risks, resolving issues, and tracking key performance indicators (KPIs). They oversee projects from initial planning through implementation to final delivery, maintaining and distributing schedules and closely monitoring project budgets. Ultimately, the Technical Consultant ensures that all projects are completed successfully, on time, within scope and budget, and meet or exceed the required quality standards.

Job Accountabilities/Essential Functions Responsibilities:

• Provide key technical leadership for all other technical members within assigned group.
• Provide technical assistance in solving technical challenges.
• Communicate with customers, project managers, product managers and delivery managers to ensure that requirements and issues are understood by all.
• Assist in defining technical requirements, recommendations, and validation.
• Provide input to project plans.
• Review the architectural documents, business requirement specifications, IA’s for assigned projects.
• Liaise with Product for product enhancements.
• Review and provide input into Fit/Gap documents.
• Review and provide input into Project Requirement Documentation.
• Provide input into and reviews estimates.
• Create High Level Estimates using the HLE Tool.
• Support Client UAT, Certification, as required.
• Client application configuration and implementation.
• Modify authorisation and report scripts.
• Modify configuration and data scripts.
• Develop or modify simulator scripts.
• Code, test and apply patches to the customer’s system as and when required.
• Install and configure test systems.
• Review the test plans and results as executed by the CIO organisation.
• Participate in code/quality reviews.
• Provide technical input to developers when required to ensure requirements are met.
• Develop and maintain project specific systems/technical documentation through the full project life cycle.
• Report progress against the plan and raise issues to the delivery managers and/or project managers.
• Ensures all modifications are engineered, developed and tested appropriately.
• Ensure the modifications are packaged correctly, may also work with the customer to install the modifications (or oversee installation), amongst other tasks.
• Ownership and accountability for the quality of the project.
• Manage system/application problems - not necessarily fix them.
• Handle the escalation of project issues.
• Feed information and recommendations to Project Managers and business owners to help them resource and plan activities.
• Oversee the technical direction of the project.
• Act as a point of contact for issues raised by the development team.
• Discuss technical issues with the customer.
• Execute and manage channel testing and test plans.
• Support the customer’s test phases and go-live.
• Hand the live implementation over to customer management and HELP24.

Experience/ Skills Required:

• Should have a development experience in Java, Python.
• Cloud expertise in Azure or AWS or GCP, Openshift.
• Working experience in MongoDb, Grafana, GitOps, Messaging system NATS.
• Payments Domain Understanding of retail payment switches.
• Understanding of ISO 8583 (1987/1993) interface standards.
• Understanding of Visa and MasterCard interchanges (Visa BASE I, Visa SMS, MDS and BankNet).
• Understanding of ATM devices/device handlers.
• Understanding of POS devices/device handlers.
• Understanding of disputes processing.
• Capable of performing testing activities.
• Capable of drawing results from the analysis of logs.
• Problem troubleshooting with Background in coding and development skills.

Soft Skills:

• Good written and verbal communication skills.
• Ability to mentor new members of staff and partners.
• A strong attention to detail.
• Desire to follow a problem to conclusion even though it might be obscure.
• Willingness to work with (and understand) something that does not behave how you might expect.
• Desire to invent a process / procedure, test it, document it, make it repeatable.

Diversity Statement

Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate. All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.