Summary
✨ AI‑Generated
A senior backend engineering opportunity for an experienced specialist who can design, architect, and optimize scalable services powering data-intensive financial applications. You will collaborate across engineering, operations, product, and frontend teams to deliver reliable, secure, and high-performance systems.
Highlights
Lead the architecture and optimization of high-performance backend systems in a dynamic international team. Work on data-intensive financial applications with a strong focus on reliability, speed, security, and technical excellence.
Description
BITA is a Fintech company with a mission to disrupt the index and systematic investment industry.
Through advanced software, state-of-the-art infrastructure, and high-quality data, we empower our clients to develop innovative investment products faster, more flexibly, and at a lower cost.
We are a young, dynamic team located worldwide, united by a strong belief that the investment industry is ready for a new challenger.
We are expanding our IT Team in Frankfurt am Main and are seeking a Senior Back End Specialist with deep expertise in scalable, high-performance backend systems to power data-driven financial applications.
As a Senior Back End Specialist, you will lead the design, architecture, and optimization of backend services that deliver high-quality, accurate, and timely financial data.
You will work closely with front-end developers, operations, product development, and product managers to build systems that ensure reliability, speed, and security.
This is a senior role requiring technical leadership, mentoring, and hands-on contribution to complex, data-intensive systems.
You will work closely with the CTO and the Head of Back End Development on new IT projects, playing a key role in shaping the company's technical roadmap.
Key Responsibilities:
Architect & Develop Back-End Systems: Lead the design and development of APIs, databases, and services for financial data applications.Ensure Data Integrity & Performance: Architect scalable, fault-tolerant systems to deliver complex financial datasets with precision and low latency.Real-Time Data Processing: Design and optimize systems for ingesting, processing, and serving real-time financial data with low latency and high reliability.Strategic Collaboration: Work closely with the CTO and Head of Back End Development on new IT projects, contributing to technical strategy, architecture decisions, and project planning.Cross-Functional Leadership: Collaborate with front-end developers, product managers, and analysts to drive end-to-end delivery of data solutions.High Availability & Observability: Implement advanced monitoring, troubleshooting, and reliability strategies for production backend services.Code Quality & Mentorship: Lead code reviews, establish best practices in coding, testing, and documentation, and mentor junior developers.Stay Current: Drive adoption of new backend technologies, data processing techniques, and financial data engineering best practices.
Required Qualifications:
Education: Bachelor's degree in Computer Science, Engineering, or a related field.
A Master's degree is a plus.Experience: 7+ years in back-end development, with at least 2+ years in a senior or lead role.
Experience in finance or fintech is a strong plus.Global team experience: Proven experience working in a global, distributed team across multiple time zones.
Technical Skills (Required):
Python (5+ years minimum experience)Pandas (3+ years minimum experience)FastAPI (3+ years minimum experience)PostgreSQL & advanced SQL (5+ years minimum experience)Event-Driven Systems and Real-time architectures (Proven experience)MQP-based messaging systems (RabbitMQ preferred) (General knowledge)
Other requirements: REST API design, time-series databases (general knowledge), AWS (EC2, RDS, S3, Lambda), data security best practices, performance tuning, monitoring tools.
Nice to Have
Financial domain knowledge (financial markets, indexes, fintech)Distributed systems design for real-time, large-volume dataDevOps skills (CI/CD pipelines, infrastructure as code, automated deployments)
What We Offer:
Global Team: Join an international, dynamic, ambitious team worldwide, disrupting the indexing and passive investment industry.
Professional Growth: Learning opportunities, mentorship programs, meritocracy-based growth, and the chance to lead business verticals.
Dynamic Culture: Innovation, collaboration, agile mindset.
Impact: Make key technical decisions, shape the company's roadmap, and define your legacy.
