Senior ML Engineer, Fintech
6 days ago
Optasia is a fully-integrated B2B2X financial technology platform covering scoring, financial decisioning, disbursement & collection. We provide a versatile AI Platform powering financial inclusion, delivering responsible financing decision-making and driving a superior business model & strong customer experience with presence in 30 Countries anchored by 7 Regional Offices.
We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be part of a team of likeminded individuals who are delivering solutions in an innovative and exciting environment.
Data is at the core of Optasia growth plan and the ML Engineering team is a significant contributor to Optasia's success and growth, achieved through data driven insights and decision making. We are currently leveraging and ingesting data from multiple sources into our large-scale big data clusters and develop and run multiple analytical pipelines, over a state-of-the art big data technology stack.
We are looking for a Senior Machine Learning Engineer to join our growing ML Engineering team. In this role, you will help advance Optasia's data-driven decision-making and credit risk management by building and evolving scalable, end-to-end ML pipelines. The main responsibilities include (i) building robust ML pipelines , (ii) designing and developing statistical and machine learning algorithms, and (iii) operationalizing these solutions to strengthen in credit risk management — directly contributing to Optasia's success.
What you will do
- Offer technical expertise in ML engineering, helping the team adopt the right tools and approaches, stay ahead of emerging trends, and deliver solutions that meet industry best practices.
- Provide expert guidance to improve the scalability, stability, accuracy, speed, and efficiency of ML workflows, while upholding the highest standards of testing and code quality.
- Contribute to the design and development of the microservices and tools that support Machine Learning lifecycle at Optasia.
- Contribute to the design and delivery of scalable, real-time microservices used globally.
- Drive continuous improvements in the development lifecycle in collaboration with the team.
- Design, develop and maintain large-scale Spark jobs using PySpark and Scala.
- Build and manage CI/CD pipelines with Jenkins.
- Develop automation scripts using Python or Bash.
- Develop and deploy scalable Airflow pipelines that support the Machine Learning lifecycle.
- Perform data exploration and analysis to scope, build, and iterate on Machine Learning proof-of-concepts (PoCs).
- Partner with Engineers and Credit Risk team to design and deliver solutions that drive business value at Optasia.
- Optimize the codebase through Spark job tuning and refactoring.
- Drive improvements to our feature engineering engine to support more efficient ML workflows.
What you will bring
- Bachelor's or Master's degree in Electrical Engineering, Computer Science or Informatics.
- 5+ years of industry experience with Machine Learning Engineering and MLOps background.
- Solid understanding of core Machine Learning concepts and MLOps.
- Proficiency in Python and PySpark (or Scala, Java).
- Strong knowledge of the Hadoop ecosystem.
- Proficiency in SQL.
- Proficiency in Linux.
- Strong knowledge of end-to-end API development and deployment.
- Proficiency in building and managing Dockerized applications.
- Experience with workflow orchestration tools such as Airflow (or similar).
- Familiarity with CI/CD best practices.
- Ability to meet tight deadlines, work under pressure, and maintain strict attention to detail.
- Awareness of emerging technologies, with the ability to quickly learn and adapt to new tools and frameworks
Why you should apply
What we offer:
Flexible remote working
Competitive remuneration package
Extra day off on your birthday
Performance-based bonus scheme
Comprehensive private healthcare insurance
All the tech gear you need to work smart
Optasia's Perks:
Be a part of a multicultural working environment
Meet a very unique and promising business and industry
Gain insights for tomorrow market's foreground
A solid career path within our working family is ready for you
Continuous training and access to online training platforms
CSR activities and festive events within any possible occasion
Enjoy comfortable open space restaurant with varied meal options every day
Wellbeing activities access such as free on-site yoga classes, plus available squash court on our premises
Optasia's Values
#1 Drive to Thrive: Fully dedicated to evolving. We welcome all challenges and learning opportunities.
#2 Customer-First Mindset: We go above and beyond to meet our partners' and clients' expectations.
#3 Bridge the Gap: Knowledge is shared, information is exchanged and every opinion counts.
#4 Go-Getter Spirit: We are results oriented. We identify any shortcomings that hold us back and step up to do what's needed.
#5 Together we will do it: We are committed to supporting one another and to understanding and respecting different perspectives, as we aim to reach our common goals.
-
Senior Software Engineer
5 hours ago
Athens, Attica, Greece ML Full time €35,000 - €60,000 per yearSenior Software Engineer - Financial Services - URGENT - Contract Role OverviewWe are looking for a passionate and experiencedSenior Software Engineerto join our Anti Money Laundering (AML) team. In this role, you will be instrumental in developing and maintaining advanced software solutions that help financial institutions detect and prevent money...
-
Middle/Senior Data Engineer
2 days ago
Athens, Attica, Greece MEAZON Full time €40,000 - €80,000 per yearAbout usMeazon is a global innovator in energy data acquisition technology, recognized as the only winner of the US Department of Energy's wireless submetering challenge. We provide cutting-edge energy submeters and controllers connected to the cloud, enabling energy efficiency, preventive maintenance, demand-response, and distributed energy resources...
-
Machine Learning Engineer, Fintech
2 days ago
Athens, Attica, Greece Optasia Full time €25,000 - €45,000 per yearOptasia is a fully-integrated B2B2X financial technology platform covering scoring, financial decisioning, disbursement & collection. We provide a versatile AI Platform powering financial inclusion, delivering responsible financing decision-making and driving a superior business model & strong customer experience with presence in 30 Countries anchored by 7...
-
Senior Machine Learning Researcher
6 days ago
Athens, Attica, Greece Ai2C Technologies Full time €100,000 - €120,000 per yearAI2C Technologies AG is a Swiss start-up (ETH Zurich spin-off) that has recently expanded its operations to Athens. At AI2C, we leverage advanced machine learning (ML) technologies to drive innovation in the DeepTech finance sector. Our projects focus on enhancing performance, precision, and scalability across our applications.About the RoleWe are looking...
-
Android Engineer
2 days ago
Athens, Attica, Greece Plum Fintech Full time €30,000 - €60,000 per yearAt Plum, we're on a mission to maximise wealth for all. We're making saving money effortless and turning investing into something everyone can do. Our journey began back in 2017, when we became one of the first to use artificial intelligence and automation to simplify personal finance. Fast forward to today, and we've already helped people save £2 billion...
-
AI Engineer
6 days ago
Athens, Attica, Greece Satori Analytics Full time €40,000 - €60,000 per yearAre you passionate about AI? At Satori Analytics, we aim to change the world one algorithm at a time by bringing clarity to global brands through Data & AI. From cloud-based ecosystems for fintech to predictive models for airlines, our cutting-edge solutions cover the entire data lifecycle—from ingestion to AI applications. As a fast-growing scale-up, our...
-
Senior Engineering Manager
2 weeks ago
Athens, Attica, Greece Agoda Full time €104,000 - €130,878 per yearAbout AgodaAgoda is an online travel booking platform for accommodations, flights, and more. We build and deploy cutting-edge technology that connects travelers with a global network of 4.7M hotels and holiday properties worldwide, plus flights, activities, and more. Based in Asia and part of Booking Holdings, our 7,100+ employees representing 95+...
-
Senior AI Engineer
2 weeks ago
Athens, Attica, Greece Causaly Full time €70,000 - €120,000 per yearFounded in 2018, Causaly's AI platform for enterprise-scale scientific research redefines the limits of human productivity. We give humans a powerful new way to find, visualize and interpret biomedical knowledge and automate critical research workflows, accelerating solutions for some of the greatest health challenges we face.We work with some of the world's...
-
Junior Android Engineer
2 days ago
Athens, Attica, Greece Plum Fintech Full time €25,000 - €40,000 per yearAt Plum, we're on a mission to maximise wealth for all. We're making saving money effortless and turning investing into something everyone can do. Our journey began back in 2017, when we became one of the first to use artificial intelligence and automation to simplify personal finance. Fast forward to today, and we've already helped people save £2 billion...
-
MLOps Engineer
4 hours ago
Athens, Attica, Greece Qualco Full time €60,000 - €85,000 per yearAt Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic...