Back End Developer

Trust in SODA; Ireland; On-site; EUR 90,000 - 130,000; Full time

Job summary

Trust in SODA is seeking a Backend Engineer to build the core of an AI-powered neobank. You will design reliable APIs, scalable data flows, and financial infrastructure that serve millions of users across markets and partners.

You'll work closely with product, frontend, mobile and AI teams to ship quickly and safely, owning end-to-end backend quality, automating processes, and improving security and data integrity in a fast-paced fintech environment.

Qualifications

• APIs, databases, auth, queues, jobs, events and integrations knowledge.

Responsibilities

• Backend services and APIs for multiple business areas with reliable systems that scale.
• Integrations with financial partners, payment providers, AI services and third-party platforms.
• Backend quality end to end.
• Close collaboration with product, frontend, mobile and AI teams to ship quickly and safely.
• Simplifying and automating existing systems to reduce manual work.

Skills

APIs

Databases

Auth

Queues

Jobs

Events

Integrations

Fintech experience

Job description

We've partnered with a a fast-growing fintech on a mission to help people get more from their money every day. Since launching, they've built a mobile-first platform used by millions of customers and become the market leader in their space. Want to build the core systems behind a new AI-powered bank, used by millions of people?

The role

You'll be a Backend Engineer building the core of their AI Neobank app: reliable APIs, workflows and financial infrastructure that scale across markets, partners and millions of users.

What you'll own

• Backend services and APIs for a range of areas within the business Reliable systems that handle real customer transactions and operational workflows
• Integrations with financial partners, payment providers, AI services and third-party platforms
• Backend quality end to end
• Close work with product, frontend, mobile and AI teams to ship quickly and safely
• Simplifying and automating existing systems to remove manual work

What you'll bring

• Solid grasp of APIs, databases, auth, queues, jobs, events and integrations
• Experience building services used by real customers or operations teams at meaningful scale
• Sound judgement on trade-offs between speed, correctness, scalability and maintainability
• Experience in Fintech would be a big plus

My client is looking for engineers with real career highlights. By that they mean you have personally helped build, ship or scale a serious product, platform or system, and you can say clearly what you owned.

This role suits engineers who want real ownership, not isolated tickets. You'll take security, data consistency and monitoring seriously, and you'll be comfortable when product requirements move quickly.