I am a senior developer with over 18 years of experience specializing in functional programming. I am passionate about fostering a culture of software quality and best practices, leading and coaching teams of 5-7 members. I thrive in building positive relationships between stakeholders and contributors, translating business requirements into actionable user stories, and communicating status clearly without technical jargon. Throughout my career, I have successfully managed project deliverables end-to-end, empowered engineering teams through mentorship, and implemented scalable and resilient software solutions across various sectors including financial services and transportation. My expertise includes leveraging functional programming in Scala, designing reactive microservice architectures, and promoting continuous improvement in software development practices.

Tony Merlin

I am a senior developer with over 18 years of experience specializing in functional programming. I am passionate about fostering a culture of software quality and best practices, leading and coaching teams of 5-7 members. I thrive in building positive relationships between stakeholders and contributors, translating business requirements into actionable user stories, and communicating status clearly without technical jargon. Throughout my career, I have successfully managed project deliverables end-to-end, empowered engineering teams through mentorship, and implemented scalable and resilient software solutions across various sectors including financial services and transportation. My expertise includes leveraging functional programming in Scala, designing reactive microservice architectures, and promoting continuous improvement in software development practices.

Available to hire

I am a senior developer with over 18 years of experience specializing in functional programming. I am passionate about fostering a culture of software quality and best practices, leading and coaching teams of 5-7 members. I thrive in building positive relationships between stakeholders and contributors, translating business requirements into actionable user stories, and communicating status clearly without technical jargon.

Throughout my career, I have successfully managed project deliverables end-to-end, empowered engineering teams through mentorship, and implemented scalable and resilient software solutions across various sectors including financial services and transportation. My expertise includes leveraging functional programming in Scala, designing reactive microservice architectures, and promoting continuous improvement in software development practices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Work Experience

Senior Software Engineer II at MOIA (VW Group)
May 1, 2025 - August 22, 2025
Refactored a monolithic backend service in Scala 2 to a reactive microservice architecture in Scala 3 utilizing cats and ZIO for safe effects and error handling. Implemented automatic bill-of-materials publishing in payment services to comply with Cyber Resilience Act regulations.
Senior Software Engineer - Contract at Singapore (Remote US)
July 1, 2024 - August 22, 2025
Developed RESTful API for third-party insurance verification using Scala 2, Tapir, Akka HTTP, Slick, and PostgreSQL.
AVP Senior Software Engineer at Bank of America Merrill Lynch
December 31, 2023 - August 22, 2025
Managed project deliverables end-to-end ensuring 95% stakeholder alignment. Coached and mentored a team of 6 engineers, performed rigorous code reviews. Authored user documentation and conducted workshops resulting in elimination of user errors. Led software enhancements for compliance and post trade processing, reduced defect rate under 2%. Improved system efficiency and resilience using technologies like Kafka, RDF, and functional programming libraries.
Product Engineer at Standard Chartered Bank
December 31, 2019 - August 22, 2025
Developed backend wealth management tools using Scala 2 and Typelevel libraries, implementing functional programming for reliability improvements. Designed generational deployment using Kubernetes, Ansible, Jenkins, achieving deployment time and cost reduction over 75%. Enabled asynchronous business verification with 99.999% uptime and coached colleagues on DevOps and test-driven development best practices.
Consultant Software Developer at ThoughtWorks
December 31, 2017 - August 22, 2025
Enhanced software within an agile scrum team using pair programming for knowledge sharing and team efficiency. Developed NLP search enhancements with Python 3, SpaCy, and Django, ensuring 100% customer satisfaction and on-time delivery.
Consultant Software Architect at Coca-Cola
December 31, 2016 - August 22, 2025
Re-architected consumer-facing IoT platform from PoC to global production, reducing outages drastically. Improved platform scalability and resiliency, reducing support costs over 90%. Redesign included Akka actor hierarchy, caching with Redis, migrations to PostgreSQL, and agile methodology introduction, cutting time-to-market by 75%. Worked with Scala 2, Play Framework, Akka, Redis, PostgreSQL, and MySQL.
Software Developer Team Lead at Berkshire Hathaway Energy
December 31, 2015 - August 22, 2025
Led six-person team to develop IoT solutions for energy management on US Military bases. Defined development process, git branching strategy, and built SBT plugin to streamline deployments by 90%. Developed RESTful services, operational tools, and reports using Scala 2, Play Framework, Apache Cassandra, and Apache Spark.
Senior Software Engineer at Various Roles in Mannheim and Atlanta, USA
December 31, 2014 - August 22, 2025
Modernized legacy software stacks with agile methodologies, improving maintainability and developer productivity. Worked on health and wellness social network (sharecare.com) using Java 7, JSP, Spring MVC, and MongoDB. Scaled global payment infrastructure throughput with Java and JMeter, saving costs with open source solutions. Led software quality team and contributed as technical artist at Turbo Squid.

Education

Certification Specialization at Coursera c/o École Polytechnique Fédérale de Lausanne
January 11, 2030 - August 22, 2025
Certification in Requirements Analysis, Leadership and Ethics at Global Payments, USA
January 11, 2030 - August 22, 2025
Design and Technical Training for Film and Visual Effects at Savannah College of Art and Design
January 11, 2030 - August 22, 2025

Qualifications

Functional Programming in Scala Specialization
January 11, 2030 - August 22, 2025
Certification in Requirements Analysis, Leadership and Ethics
January 11, 2030 - August 22, 2025
Design and Technical Training for Film and Visual Effects
January 11, 2030 - August 22, 2025

Industry Experience

Financial Services, Transportation & Logistics, Software & Internet, Energy & Utilities, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

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