Senior Software Engineer | Product Architect | Finance Sector Specialist I am a Senior Software Development Engineer with a decade of experience building high-stakes solutions, primarily within the financial services sector. My career has been defined by a unique ability to bridge the gap between complex business goals and robust technical execution. While many developers focus solely on the code, I specialize in the translation. I take non-technical requirements and transform them into scalable, high-performing software. Having successfully led products from 0 to 1, I understand the lifecycle of a launch and the importance of building a foundation that supports long-term growth. My background in finance means I bring a mindset of precision, security, and reliability to every project I touch. Whether you are a startup looking to build your MVP or an established firm needing to modernize a complex system, I provide the technical leadership and execution required to bring your vision to life. I am focused on delivering clean, maintainable code that drives actual business value. If you are looking for a developer who speaks the language of your stakeholders as fluently as the language of your stack, let's discuss how I can help your project succeed.

Maksim Polonsky

Senior Software Engineer | Product Architect | Finance Sector Specialist I am a Senior Software Development Engineer with a decade of experience building high-stakes solutions, primarily within the financial services sector. My career has been defined by a unique ability to bridge the gap between complex business goals and robust technical execution. While many developers focus solely on the code, I specialize in the translation. I take non-technical requirements and transform them into scalable, high-performing software. Having successfully led products from 0 to 1, I understand the lifecycle of a launch and the importance of building a foundation that supports long-term growth. My background in finance means I bring a mindset of precision, security, and reliability to every project I touch. Whether you are a startup looking to build your MVP or an established firm needing to modernize a complex system, I provide the technical leadership and execution required to bring your vision to life. I am focused on delivering clean, maintainable code that drives actual business value. If you are looking for a developer who speaks the language of your stakeholders as fluently as the language of your stack, let's discuss how I can help your project succeed.

Available to hire

Senior Software Engineer | Product Architect | Finance Sector Specialist

I am a Senior Software Development Engineer with a decade of experience building high-stakes solutions, primarily within the financial services sector. My career has been defined by a unique ability to bridge the gap between complex business goals and robust technical execution.

While many developers focus solely on the code, I specialize in the translation. I take non-technical requirements and transform them into scalable, high-performing software. Having successfully led products from 0 to 1, I understand the lifecycle of a launch and the importance of building a foundation that supports long-term growth.

My background in finance means I bring a mindset of precision, security, and reliability to every project I touch. Whether you are a startup looking to build your MVP or an established firm needing to modernize a complex system, I provide the technical leadership and execution required to bring your vision to life.

I am focused on delivering clean, maintainable code that drives actual business value. If you are looking for a developer who speaks the language of your stakeholders as fluently as the language of your stack, let’s discuss how I can help your project succeed.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Engineer (Front End) at InspereX
March 1, 2021 - Present
BondNav: Real-time fixed income platform for buying, selling, and managing bonds. Partnered with product managers, engineers, and designers to ensure requirements and UX/UI fidelity. Built out an analytics dashboard using Chart.js with over 6 interactive charts. Architected and implemented end-to-end Goldman Sachs order-flow integration, increasing platform transactions by 25% and securing a multi-year partnership.
Software Engineer (Front End) at InspereX (formerly 280 CapMarkets)
February 1, 2017 - March 1, 2021
Joined as the fifth engineer and drove MVP development; scaled to serve over 2,000 retail investors and institutional broker-dealers. Led the Search team to create a flexible asset-type framework, enabling a 400% increase in new user onboarding and enabling transactions for an additional 300,000 bonds. Developed a robust frontend testing/coverage infrastructure (Jest, React Testing Library, SonarQube), tripling test coverage from 20% to 60%.
Software Engineer (Front End) at Grid Net
April 1, 2016 - February 1, 2017
SaaS for the smart grid. Led feature creation using React JS, Backbone JS, and PHP; collaborated with the Lead Engineer to transition 10% of the frontend codebase to React, improving performance. Integrated and tested embedded devices for real-time visualization of electrical usage metadata for enterprise clients.
Software Engineer Mentor at Springboard
September 1, 2020 - August 1, 2022
Mentored over 10 software engineering students, guiding them through coursework and interview preparations. Achieved a 75% success rate in students securing their first software engineer job within 6 months of program completion. Collaborated with students to set and achieve learning goals.

Education

Software Engineering Immersion Certification at Galvanize Inc.
January 1, 2015 - December 16, 2025
B.A. in Environmental Studies, History Minor at University of California, Santa Barbara
January 1, 2014 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services, Media & Entertainment