Senior Python Developer (Fintech)

#вакансия #vacancy #python #poland #serbia #georgia #spain #portugal #armenia

Company: findev
Location: Poland / Georgia / Serbia / Spain / Portugal / Armenia (ONLY MENTIONED)
Employment: fulltime
Position: Senior Python developer

About the Team
The Client Solutions & Analytics engineering team builds and maintains a suite of proprietary quantitative platforms spanning portfolio construction and optimization, retirement and defined contribution solutions, Capital Market Assumptions, multi-asset risk analytics, and institutional client intelligence tooling.

In practice, this means translating complex investment models — Monte Carlo retirement simulations, factor risk frameworks, liability-driven optimization, capital market forecasting — into reliable, scalable production systems used daily by portfolio managers, financial advisors, and institutional clients worldwide.

The Role
Findev is looking for a Backend Engineer with 10+ years of experience to design and build the APIs, data pipelines, and services that power these platforms. This is a hands-on, high-impact role at the intersection of quantitative finance and scalable platform engineering — where a well-designed data model or a faster pipeline directly influences investment decisions at scale.

Responsibilities
▫️Design and implement RESTful APIs using Python frameworks (FastAPI, Django, Tornado)
▫️Build and maintain data pipelines and backend services for analytics workloads
▫️Design and optimize database schemas across relational, NoSQL, and cloud data stores
▫️Work with structured and unstructured data across Snowflake, Postgres, S3, and MongoDB
▫️Collaborate closely with quantitative researchers, frontend engineers, and business stakeholders
▫️Contribute to system design and architecture decisions — scalability, reliability, security
▫️Monitor and troubleshoot production systems using observability tooling

Requirements:
▫️10+ years of backend development experience
▫️Higher education in a relevant field (Computer Science, Software Engineering, or equivalent)
▫️Proven experience in a Tech Lead role (leading a team, technical decision-making, mentoring)
▫️Strong Python proficiency — the team's primary language
▫️Solid hands-on experience with Postgres, Snowflake, MongoDB, and S3
▫️Strong grasp of data modeling (ER design) and system design principles
▫️Interest in AI-assisted development and modern developer tooling
▫️Experience building and shipping production-grade REST APIs

Nice to have
▫️Experience with NumPy, Pandas, or other data/analytics libraries
▫️Cloud-native development experience (AWS or similar)
▫️Familiarity with asynchronous processing or distributed systems
▫️Background working with financial or analytical datasets
▫️Finance domain knowledge — valued but not required

Engineering Practices
Strong Git discipline (branching, PRs, code review) · Agile/Jira · Observability tooling (Datadog, Komodor, or similar) · Secure software design · Clear technical documentation

We offer:
▫️Flexible work setup: remote model (Poland, Serbia, Georgia, Spain, Portugal, Armenia) or hybrid if desired (Poland)
▫️Health insurance coverage for those based in Poland
▫️50% coverage of health insurance for spouses and children in Poland
▫️24 days of paid vacation.
▫️10 days of paid sick leave.
▫️50% reimbursement for professional training, education, conferences.
▫️Work alongside a highly professional team.
▫️Engaging teambuilding events and activities.
In case of relocation to Poland, we offer:
▫️Flight tickets, accommodation rent for 1st month for our relocated employee and his/her official family.
▫️Support in visa application and issue process, entry permit and residence permit processing.

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