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Payment Software Engineer Jobs in Connecticut (NOW HIRING)

Travelers

Software Engineer I

Hartford, CT

$99K - $163K/yr

We are seeking talented Software Engineers with strong engineering fundamentals who are eager to ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

The Whiteside Agency

Software Engineer I

Hartford, CT · On-site

$99K - $163K/yr

We are seeking talented Software Engineers with strong engineering fundamentals who are eager to ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

The Whiteside Agency

Software Engineer II

Hartford, CT · On-site

$120K - $198K/yr

We are seeking talented Software Engineers with strong engineering fundamentals who are eager to ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

Travelers

Software Engineer II

Hartford, CT

$120K - $198K/yr

We are seeking talented Software Engineers with strong engineering fundamentals who are eager to ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

Travelers

Software Engineer I

Hartford, CT

$99K - $163K/yr

Travelers is seeking a Software Engineer I to join our organization as we grow and transform our ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

Brightstar Lottery

Senior Software Engineer

Berlin, CT · Remote

$60K - $200K/yr

... software debugging tools * Good understanding of Object-Oriented and Concurrent Programming ... Sales roles may be eligible for commission payments, while other roles are eligible for ...

The Whiteside Agency

Software Engineer I

Hartford, CT

$99K - $163K/yr

Travelers is seeking a Software Engineer I to join our organization as we grow and transform our ... When you make a payment toward your student loan, Travelers will make an annual contribution into ...

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Payment Software Engineer information

What does a payment software engineer do?

A Payment Software Engineer designs, develops, and maintains software systems that handle financial transactions, such as credit card processing, digital wallets, and online payments. They ensure that payment systems are secure, reliable, and compliant with industry standards like PCI DSS. These engineers often work closely with banks, fintech companies, and e-commerce platforms to integrate payment solutions and resolve technical issues related to transactions.

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

To thrive as a Payment Software Engineer, you need strong programming skills (such as Java, Python, or C#), a solid understanding of payment processing systems, and a degree in computer science or a related field. Familiarity with payment gateways, APIs, PCI DSS compliance, and experience with tools like Stripe, PayPal, or Square are typically required. Analytical thinking, problem-solving ability, and clear communication help you collaborate effectively and resolve complex payment issues. These skills are crucial for building secure, reliable, and scalable payment solutions in a highly regulated and fast-evolving industry.

What are some common challenges payment software engineers face when integrating with third-party payment gateways?

Payment Software Engineers often encounter challenges such as handling diverse API standards, ensuring secure data transmission, and managing compliance requirements like PCI DSS when integrating with third-party payment gateways. Additionally, they must account for various edge cases, including transaction failures and currency conversions, while maintaining a seamless user experience. Effective collaboration with product managers, QA teams, and external partners is essential to address these complexities and ensure reliable payment processing.

What is the difference between Payment Software Engineer vs Payment Systems Analyst?

AspectPayment Software EngineerPayment Systems Analyst
Required CredentialsBachelor's in CS or related field, coding skills, knowledge of payment APIsBachelor's in IT, finance, or related field, analytical skills, understanding of payment processes
Work EnvironmentDevelopment teams, coding, testing, software designAnalysis, system evaluation, process improvement, client interaction
Employer & Industry UsageFintech companies, banks, payment processorsFinancial institutions, payment service providers, consulting firms

Payment Software Engineers focus on developing and maintaining payment applications through coding and software design, while Payment Systems Analysts analyze and optimize payment processes and systems. Both roles are essential in the payment industry but differ in their core responsibilities and skill sets.

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

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

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

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

What cities in Connecticut are hiring for Payment Software Engineer jobs?

Cities in Connecticut with the most Payment Software Engineer job openings:

Payment Software Engineer jobs near you

Software Engineer II-Hybrid Role

Greenwich, CT • On-site

Payarc LLC
Finance and Insurance • 51 - 200 employees
Learn more about Payarc LLCexternal

Full-time

Posted 16 days ago

Job description

Job Type
Full-time
Description
Company Description
Payarc is a technology-driven payments company built to empower people and improve their organizations, one payment at a time. What began as smart, simple payment-processing tools and products has grown into a broader platform, backed by a team of world-class experts and top technology talent. We help new businesses get started, increase our customers' revenues, and bridge the gap between merchants and modern payment solutions-giving companies the tools they need to change the future of their business.
Position Summary
The Software Engineer II is a mid-level engineering role responsible for designing, developing, testing, and maintaining scalable software solutions with limited guidance. This role owns features and components end-to-end and collaborates with cross-functional teams to deliver high-quality payment applications, services, and systems.
The Software Engineer II contributes across all phases of the software development lifecycle-from requirements analysis through deployment and ongoing support-and is expected to uphold Payarc's engineering standards and secure, PCI DSS-compliant data-handling practices.
Essential Duties and Responsibilities
  • Design, develop, and maintain software applications, APIs, and backend services with limited guidance
  • Build and integrate secure APIs and services, including payment-related functionality, in compliance with PCI DSS
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews and pull requests-both giving and receiving constructive feedback-and follow engineering best practices
  • Collaborate with product managers, UI/UX designers, and other engineers to deliver features that meet user and business needs
  • Debug, test, and resolve technical issues of moderate complexity, including production defects surfaced through monitoring tools
  • Contribute to system architecture and design discussions
  • Optimize application performance, scalability, and reliability
  • Ensure security, privacy, and data-protection standards are followed, including secure handling of sensitive and cardholder data
  • Evaluate and adopt new technologies and tools that improve development efficiency
  • Mentor and support Software Engineer I team members as needed
  • Participate in Agile/Scrum ceremonies using JIRA and Confluence (as applicable)

Technology Environment
Payarc engineers work across a broad, modern technology stack. Depending on the team and project, you may work with:
  • Backend: PHP (Laravel, Nova, Apiato) and services in languages such as Java, C#, Python, Go, and C++
  • Frontend: JavaScript with React and Angular, plus jQuery; HTML5, CSS3, LESS/SASS; Material Design
  • Mobile: native Android (Kotlin, Java) and iOS (Swift, Objective-C), with cross-platform work in React Native/Flutter; libraries such as Retrofit, OkHttp, and Firebase
  • Data: relational databases (MySQL, Oracle, Firebird) and NoSQL data stores
  • Cloud & DevOps: Amazon Web Services (AWS), Git/GitHub, CI/CD pipelines, Docker, and Kubernetes
  • Payments & security: PCI DSS-compliant systems, encryption standards such as TDES and DUKPT, and integrations with POS systems, terminals (e.g., PAX, AMP), and Magtek card readers
  • AI & machine learning: applied ML and LLM-based workflows in Python (TensorFlow, PyTorch, scikit-learn), including vector databases and embeddings
  • Collaboration & tooling: Agile/Scrum delivery with JIRA and Confluence, and application monitoring with tools such as Crashlytics and New Relic

Requirements
QualificationsRequired
  • 2-4 years of professional software development experience
  • Proficiency in one or more of Payarc's core languages and frameworks (e.g., PHP/Laravel, JavaScript with React or Angular, Java, C#, Python, or Kotlin)
  • Experience building and consuming RESTful APIs and web services
  • Experience with relational databases such as MySQL or Oracle
  • Proficiency with Git/GitHub, including pull requests and code reviews
  • Strong problem-solving and analytical skills

Preferred
  • Experience with cloud platforms (AWS, Azure, GCP), with AWS preferred
  • Familiarity with CI/CD pipelines
  • Experience with containerization (Docker, Kubernetes)
  • Knowledge of NoSQL databases
  • Mobile development experience (Android with Kotlin, Retrofit/OkHttp, Firebase) or applied AI/ML exposure
  • Familiarity with PCI DSS and secure handling of cardholder data
  • Exposure to encryption standards such as TDES and DUKPT
  • Experience working in Agile environments with JIRA and Confluence

Knowledge, Skills, and Abilities
  • Strong understanding of software design principles
  • Ability to write efficient, scalable, and maintainable code
  • Ability to work independently on features of moderate complexity
  • Strong collaboration, communication, and interpersonal skills
  • Ability to manage multiple tasks and deadlines
  • Sound judgment and resourcefulness in solving problems
  • Commitment to code quality, testing, and security
  • Continuous learning mindset

Education
  • Bachelor's degree in Computer Science, Software Engineering, or a related field required (or equivalent practical experience).

Work EnvironmentThis position operates in a professional office or remote environment, based out of Payarc's Greenwich, CT office with flexibility as needed. Standard business hours apply, with flexibility to meet development timelines and support releases.Physical Requirements
  • Prolonged periods sitting at a desk and working on a computer
  • Extended periods typing and analyzing information
  • Ability to participate in virtual or in-person meetings

This job description may not be inclusive of all assigned duties, responsibilities, or aspects of the job described, and may be amended at any time at the sole discretion of the Employer with or without prior notice.

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