Lead Developer

Job description:

Are you a seasoned backend developer eager to make a real impact? Our customer in finance industry (provides services to the mobile payment) is looking for lead developer to build and shape its core services. As one of the first technical hires, you'll play a key role in designing and implementing backend systems that power person-to-person and e-commerce payments.
Why apply?
* Be part of a new and growing team, directly influencing architecture and technical decisions.
* Work on greenfield projects, designing scalable, cloud-based solutions.
* Collaborate closely with business stakeholders, banks, merchants, and PSPs.
* Enjoy a flexible hybrid work model in the Helsinki region.
What we’re looking for:
* Strong backend development experience (Java, Python, Node.js)
* Expertise in system integration & architecture design
* Cloud architecture and highly available systems
* Experience in starting new projects from scratch
* DevOps mindset and tooling
* A "get things done" attitude
Bonus skills (nice to have):
* Experience in financial services & security standards (ISO 27001, SOC)
* Knowledge of real-time payments (RTP), ISO standards
* AI-powered development tools (Cursor, Copilot)
* Frontend development skills
This is a rare opportunity to shape the tech culture of a new and agile company while working on cutting-edge payment solutions.
Details:
Start: As soon as possible
Duration: At least till at the end of the year 2025
Allocation: 100%
Language: Fluent English. Finnish seen as an advantage.
Location: Helsinki. Weekly onsite requirement at the customer office in Helsinki.
Ask more information from Juho 
- juho\_witted // juho.sopanen@witted.com

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