Functional Analyst

Act Digital; Lisboa; Hybrid; EUR 28,000 - 42,000; Full time

Benefits offered by this job

Great Place to Work

Continuous learning

Hybrid work model

Job summary

act digital is seeking an Application Support & Integration Specialist in a hybrid setup, based in Alfragide, Portugal. The role focuses on high-availability transactional platforms, API diagnostics, and secure payment workflows.

You will bridge business and engineering teams, resolve incidents in real-time, and contribute to continuous improvement through Agile ceremonies and playbooks. Hybrid model with 3 days on-site weekly.

Qualifications

• Strong background in payment processing ecosystems, gateways, fin-tech platforms, or related settlements.
• Hands-on debugging API integrations, webhooks, payloads, and error codes.
• Familiar with transactional security controls, encryption routines, and 3D Secure regulations.
• Experience operating in Scrum or Kanban environments.
• Ability to analyze complex requirements and derive actionable insights from logs.
• Hybrid work setup: 3 days on-site per week in Alfragide, Portugal.

Responsibilities

• Act as Tier-2/3 bridge for core banking and payment systems to resolve incidents.
• Analyze and troubleshoot end-to-end payment workflows and JSON API transactions.
• Support and maintain payment gateways, including tokenization and 3DS flows.
• Translate incidents into long-term fixes with business and engineering teams.
• Participate in Agile ceremonies and document standard operating procedures.
• Define troubleshooting playbooks to improve operational excellence.

Skills

Domain expertise

API troubleshooting

Security & compliance

Agile methodologies

Analytical mindset

Hybrid work

Job description

Are you an IT professional with a solid track record in transactional platforms, API integrations, and payment systems? Looking to leverage your functional and technical troubleshooting expertise to maintain high-availability financial ecosystems?

At

act digital, we are seeking an

Application Support & Integration Specialist

to join our team in a hybrid setup based in

Alfragide

(3 days on-site per week).

What You Will Do:

Application & Transaction Support: Act as the Tier-2 / Tier-3 technical and functional bridge for core banking and payment processing systems, ensuring real-time incident resolution and system reliability.

API Diagnostics & Flow Troubleshooting: Analyze, troubleshoot, and trace end-to-end payment workflows, payload payloads, and REST/JSON API transactions using error frameworks and logging systems.

Payment Gateway & Protocols: Support and maintain transactional gateways, including operations around payment reversal mechanisms, merchant portal onboarding, tokenization, and

3D Secure (3DS) validation chains.

Bridge Business & Engineering: Act as the pivotal link between non-technical business stakeholders, client support teams, and core software engineering squads to translate operational incidents into long-term functional fixes.

Operational Excellence & Agile Governance: Participate in Agile ceremonies (daily standups, sprint reviews, backlog refinement), document standard operating procedures, and define troubleshooting playbooks.

What We Are Looking For:

Domain Expertise: Strong background in payment processing ecosystems, payment gateways, fin-tech platforms, or clearing/settlement transactions (SIBS, SEPA, card schemes, or e-commerce checkouts).

API & System Troubleshooting: Hands-on experience debugging API integrations, webhooks, transaction payloads, and standardized error codes.

Security & Regulatory Standards: Working familiarity with transactional security controls, encryption/encoding routines, and

3D Secure (3DS) regulatory frameworks.

Methodologies: Solid experience operating within collaborative Agile frameworks (Scrum / Kanban).

Analytical Mindset: Proven ability to analyze complex functional requirements, extract actionable insights from logs/incidents, and communicate clearly across multidisciplinary teams.

Work Setup: Hybrid model (3 days on-site per week in

Alfragide ).

Nice to Have:

Experience with merchant portals, back-office payment configuration engines, or acquirer/issuer routing.

Working knowledge of SQL querying for data verification, incident investigation, and log inspection.

What We Offer:

• Opportunity to play a critical role in high-volume, mission-critical financial platforms.
• Long-term stability within an internationally certified Great Place to Work company.
• Continuous learning environment with exposure to modern payment architectures.