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Freelance Fintech Software Engineer Jobs in Connecticut

Wise Insight

Software Engineer

Stamford, CT

... fintech, quantitative research, or financial technology - Academic background in finance, economics, mathematics, statistics, computer science, or another quantitative discipline

Wise Insight

Software Engineer

Stamford, CT · On-site

$110 - $150/hr

Strong software engineering fundamentals, including clean code, testing, debugging, and system ... Experience working with financial markets, investing, fintech, quantitative research, or financial ...

TicketNetwork

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

... software development experience * At least 3 years operating in a Senior or Lead Engineer capacity ... FinTech, lending, or financial services platform development * Building or modernizing partner ...

RCN Capital LLC

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

... software development experience * At least 3 years operating in a Senior or Lead Engineer capacity ... FinTech, lending, or financial services platform development * Building or modernizing partner ...

Interactive Brokers

Sr Software Engineer

Greenwich, CT · On-site

$100 - $130/hr

Interactive Brokers has been at the forefront of the Fintech space for over 40 years and we pride ... All phases of a multi-tier software development cycle (GUIs, databases, mid-tier, batch ...

Interactive Brokers

Sr Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

Interactive Brokers has been at the forefront of the Fintech space for over 40 years and we pride ... All phases of a multi-tier software development cycle (GUIs, databases, mid-tier, batch ...

COCC

Mobile Software Engineer - Req# 606

Southington, CT · On-site

$108K - $162K/yr

As an industry-leading fintech provider, COCC delivers innovative, comprehensive technology ... We're looking for a Mobile Software Engineer to join a small, collaborative team responsible for ...

Flexi

Project Manager

Shelton, CT · On-site

... fintech software businesses with a long-term ownership mindset. Quality Standard is actively ... Coordinate cross-functional internal teams including Solutions Engineering, Product, and Support

COCC

Automation Engineer - Req# 618

Southington, CT · On-site

As an industry-leading fintech provider, COCC delivers innovative, comprehensive technology ... our software development lifecycle. The ideal candidate is adaptable and collaborative, with a ...

IsoTech Staffing

Production Support Engineer

Old Greenwich, CT · On-site

$44.50 - $58/hr

The role involves software deployment, managing the production environment, and collaborating with ... funds and fintech firms. Founded in 2019, the company is headquartered in New York, USA, with a ...

All JobsFintech Software Engineer JobsFreelance Fintech Software Engineer JobsFreelance Fintech Software Engineer Jobs in Connecticut

Freelance Fintech Software Engineer information

What is a freelance fintech software engineer?

Freelance Fintech Software Engineers are independent professionals who specialize in developing, maintaining, and improving software solutions for the financial technology (fintech) industry. They work on a contract or project basis with clients such as banks, startups, or payment companies, building secure, scalable applications like payment gateways, trading platforms, or digital wallets. Their responsibilities often include coding, testing, integrating APIs, and ensuring compliance with financial regulations. Freelance fintech engineers must stay updated with industry trends, security practices, and evolving technologies to meet the unique needs of financial clients.

How do freelance fintech software engineers typically collaborate with clients and cross-functional teams?

Freelance Fintech Software Engineers often work remotely, but strong collaboration is still essential. They usually communicate with clients, product managers, and designers through regular video meetings, project management tools, and messaging platforms to clarify requirements and provide updates. It’s common to participate in code reviews, agile sprints, and documentation processes to ensure seamless integration with existing systems and compliance with financial regulations. Clear communication and proactive feedback help maintain trust and deliver high-quality solutions, even when working independently.

What are the key skills and qualifications needed to thrive as a freelance fintech software engineer, and why are they important?

A Freelance Fintech Software Engineer must have strong programming skills (such as Python, Java, or C#), a solid understanding of financial systems, and experience with secure software development, typically supported by a degree in computer science or a related field. Familiarity with fintech-specific tools and frameworks (like blockchain platforms, payment APIs, or cloud platforms such as AWS), as well as relevant certifications (e.g., AWS Certified Developer or Certified FinTech Professional), is often required. Outstanding problem-solving abilities, communication skills, and the ability to manage projects independently set top freelancers apart. These competencies are crucial for delivering robust, secure, and innovative solutions in the rapidly evolving fintech sector.

What is the difference between Freelance Fintech Software Engineer vs Fintech Software Developer?

AspectFreelance Fintech Software EngineerFintech Software Developer
CredentialsTypically requires relevant coding skills, experience, and sometimes certifications in finance or software developmentUsually holds a degree in computer science, software engineering, or related fields; certifications are common but not mandatory
Work EnvironmentIndependent, project-based, often remote or freelance contractsEmployed by a company or fintech firm, working in office or remote teams
Employer & Industry UsageServes multiple clients across fintech projects, flexible engagementsWorks within a fintech company or startup, focused on product development

While both roles involve software development in fintech, a Freelance Fintech Software Engineer works independently on various projects, whereas a Fintech Software Developer is typically employed by a company to develop specific products or services.

How to get into fintech as a freelance fintech software engineer?

To become a freelance fintech software engineer, develop strong programming skills in languages like Python, Java, or C++, and gain experience with financial APIs, blockchain, or payment systems. Building a portfolio of relevant projects and obtaining certifications such as CFA or financial technology courses can enhance credibility. Networking through industry events and online platforms like LinkedIn or freelance marketplaces helps secure clients and projects.

What are the most commonly searched types of Fintech Software Engineer jobs in Connecticut?

The most popular types of Fintech Software Engineer jobs in Connecticut are:

What are popular job titles related to Freelance Fintech Software Engineer jobs in Connecticut?

For Freelance Fintech Software Engineer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Freelance Fintech Software Engineer jobs in Connecticut look for?

The top searched job categories for Freelance Fintech Software Engineer jobs in Connecticut are:

What cities in Connecticut are hiring for Freelance Fintech Software Engineer jobs?

Cities in Connecticut with the most Freelance Fintech Software Engineer job openings:

Freelance Fintech Software Engineer jobs near you

Software Engineer

Wise Insight

Stamford, CT

Full-time

Posted 14 days ago

Job description

Key Information:
Work Model: On-site, 5 days per week
Employment Type: Full-time
Company: Leading Investment Firm in Stamford, Connecticut

Key Responsibilities:
- Build and maintain full-stack software applications supporting investment research and internal business processes
- Develop production-quality applications using TypeScript and modern full-stack technologies within the T3 ecosystem
- Write Python for scripting, automation, data processing, and internal tooling
- Design and work with relational databases and write production-quality SQL
- Participate in the full software development lifecycle, from problem definition and architecture through implementation, testing, deployment, and maintenance

Requirements:
- 2 to 7 years of professional experience in full-stack software development
- Strong proficiency in TypeScript and modern full-stack development
- Strong hands-on Python experience with ability to read and write Python for scripting and automation
- Experience working with AWS and cloud-based application environments
- Strong understanding of relational databases
- Experience writing production-quality SQL
- Strong software engineering fundamentals, including clean code, testing, debugging, and system design
- Strong problem-solving skills and genuine curiosity about technology and data

Preferred Qualifications:
- Experience with AI engineering, LLM APIs, or generative AI applications
- Experience building AI-powered automations or agentic workflows
- Experience working with financial markets, investing, fintech, quantitative research, or financial technology
- Academic background in finance, economics, mathematics, statistics, computer science, or another quantitative discipline