Principal Fullstack Software Engineer (Fintech)

TL;DR

Principal Fullstack Software Engineer (Fintech): Building and scaling a modern SaaS platform for the charitable sector with an accent on modular architecture, scalable backend services, and reusable frontend components. Focus on designing micro-frontends, driving technical leadership, and implementing CI/CD pipelines for rapid delivery.

Location: Hybrid with onsite presence every other week in a Fidelity office (United States)

Salary: $107,000–$216,000 USD per year

Company

Fidelity Labs is hirify.global’ in-house fintech incubator focused on building new businesses and innovative SaaS products within the financial sector.

What you will do

• Lead design and development of modular, reusable Angular frontend components shared across product teams.
• Architect and implement robust backend services using Java Spring Boot, JPA, and AWS focusing on scalability and security.
• Drive adoption of best practices in modular application design including micro-frontends and shared libraries.
• Collaborate with product, UX, and engineering teams to translate business requirements into technical solutions.
• Implement modern CI/CD pipelines and DevOps practices for reliable and rapid software delivery.
• Mentor engineers and foster a culture of technical excellence and continuous improvement.

Requirements

• 6-10 years of professional software engineering experience with complex application delivery.
• 3-5 years of technical leadership experience.
• Deep fullstack expertise in HTML, CSS, JavaScript, Angular, Java Spring Boot, JPA, AWS, and database systems.
• Strong understanding of modular architecture, component sharing, and scalable design principles.
• Experience building and integrating RESTful APIs and cloud-native technologies.
• Excellent communication and collaboration skills with ability to influence stakeholders.

Nice to have

• Experience with micro-frontends, Storybook JS, and API management tools.
• Prior experience in startup or incubator environments building products from the ground up.

Culture & Benefits

• Comprehensive health care coverage and emotional well-being support.
• Market-leading retirement plans and generous paid time off including parental leave.
• Charitable giving employee match program and educational assistance including student loan repayment and tuition reimbursement.
• Dynamic workplace combining startup agility with industry leader stability.