Solidity Remote Jobs in Missouri (NOW HIRING)

Company Description
Xplor Technologies powers the experiences at the heart of everyday life. Through modern vertical software, embedded payments, and AI-powered capabilities, we help businesses in fitness, recreation, golf and club, field services, laundry, education, and other membership-based and service-based industries simplify operations, uncover insights, and elevate customer and member experiences.
Job Description
About the opportunity
Join our Embedded Payments as FullStack Software to make a real impact every day. We say that because we know that every conversation we have, every code line we write and every interface we design is another opportunity for us to elevate everyday life experiences for our customers and the people and communities they serve.
Reporting into Software Engineering Manager, you will help us you'll help build and scale our cloud-native payment orchestration platform that processes significant transaction volume across multiple Xplor brands. You are passionate about building scalable systems and great user experiences while maintaining software development best practices. You write code that is thoughtful end-to-end - from the API contract down to the database, and from the data model up through the UI. You're comfortable owning features across the stack and collaborating closely with backend, frontend, QA, and DevOps engineers to deliver high-quality software.
Our Tech Stack

• Frontend: React (CRA), Material-UI, JavaScript
• Testing: Jest, ESLint, Prettier, Storybook, Playwright. K6
• Backend: Node.js, AWS (ECS, RDS/Aurora PostgreSQL, API Gateway, Lambda, Cognito, SQS, EventBridge)
• DevOps: Bitbucket Pipelines, Terraform
• Payments: Worldpay, Stripe, Apple Pay / Google Pay

Responsibilities & Duties

• Execute the full software development lifecycle across both backend services and frontend interfaces
• Design and build well-tested, well-documented features that span APIs, data models, and UI
• Produce technical specifications and assess operational feasibility for new payments features
• Integrate components into cohesive, production-ready systems with appropriate observability
• Contribute to verification plans, quality assurance procedures, and deployment guardrails
• Maintain and improve existing functionality, including documentation
• Participate in deployment planning, on-call rotations, and incident response as part of running a payments platform
• Use AI-assisted development tools effectively to improve velocity without compromising quality
• Stay current with platform updates, security practices, and PCI compliance requirements

Qualifications
What would make me a good candidate?
We are looking for curious and empathetic people. We also love to hear from people who are motivated by meaningful work, resonate with our core values, have a positive outlook, are comfortable with ambiguity and thrive working in an ever-evolving and complex environment. We are inspired by meeting big-picture thinkers and doers, people who can be both tactical and strategic, aim high and put people first in everything they do.
You'll need:

• 4+ years of professional software engineering experience, with a Computer Science/Engineering degree or equivalent
• Strong Node.js experience and demonstrated ability to ship production backend services
• Experience building React-based frontends that consume RESTful APIs
• Experience designing and building RESTful APIs and microservices
• Working knowledge of relational databases (PostgreSQL preferred) and clear understanding of separation of concerns in service design
• Hands-on experience with AWS or a comparable cloud platform
• Experience with CI/CD pipelines (Bitbucket Pipelines, GitHub Actions, or similar)
• Proficiency with Git, agile delivery (Scrum preferred), and testing frameworks like Jest
• Fluency with AI-assisted development tools (Claude Code, Cursor, Copilot, etc.) and an articulate point of view on where they help and where they don't
• Comfortable working on a 100% remote team and able to operate independently within an agile group

It would be great if you also have:

• Experience building or operating payments systems - payment orchestration, tokenization, acquirer integrations (Worldpay, Stripe, Adyen, Finix, Basis Theory), or PCI-compliant environments
• Familiarity with event-driven architectures (SQS, EventBridge, Kafka)
• Exposure to observability tooling (SigNoz, Grafana, Datadog, etc.)
• Infrastructure-as-code experience (Terraform)

At Xplor, we believe that the best innovation and ideas happen at the intersections of our differences - people of diverse cultures, generations, disciplines, and lived experiences. So even if you think you do not tick all the boxes, we still encourage you to apply.
The average base salary pay range for this position is $95,000 to $105,000
This is a 100% remote position available to candidates located in the U.S., excluding Hawaii and Alaska.
#LI-Remote
Additional Information
Values and Life at Xplor
Our five core values guide us from how we hire and recognise our team members to how we interact with our customers day to day:

• Find a better way
• Do the right thing
• Say it straight
• Win together
• Own the outcome

If these values sound like you, and describe people you want to work with, you will thrive at Xplor.
As an Xplorer, you will be part of a global network of talented colleagues who will support your success. We look for commonalities and shared passions and give people the tools they need to deliver great work and grow at speed.
Some of our perks and benefits are:

• Paid Parental Leave benefit programs
• #GiveBackDays/Commitment to social impact - 3 extra days off to volunteer and give back to your local community
• Ongoing dedication to Diversity & Inclusion initiatives such as D&I Council, Global Mentorship Program
• Access to free mental health support
• Flexible working arrangements

Ready to apply?
To start your application, please submit your resume, and we will be in touch as soon as we can. Please include the word "moonshot" at the top of your message to the Hiring Manager so that we know you took the time to read our job ad.
More about us
More than 130,000 businesses in 72+ countries rely on Xplor to run their day and get paid, processing over $47 billion in payments annually. Our connected ecosystem helps operators spend less time managing complexity and more time delivering the experiences that matter most.
Xplor is backed by world-class investors Advent International, Battery Ventures, and Silver Lake.
Good to know
To be considered for employment, you must be legally authorized to work in the country you're applying for. Xplor does not sponsor visas, either at the time of hire or at any later time.
We kindly ask you to apply through our careers portal or external job boards only. Please don't send your application via email.
To learn more about us and our products, please visit xplor.com/careers/.
We also invite you to check out our Candidate FAQs for more information about our recruitment process xplor.com/recruitment-faqs/.
EEO and Artificial Intelligence
We believe in transparent hiring. We use an applicant tracking system that includes artificial intelligence-enabled features to assist with the screening and assessment of job applications, such as candidate scoring or ranking. These tools support our recruitment process, but all hiring decisions are made by our recruitment team following human review. We do not rely on artificial intelligence to make final hiring decisions. Find our Candidate AI Usage guidelines here.
Xplor is proud to be an Equal Employment Opportunity employer. We're dedicated to attracting, retaining and developing our people regardless of gender identity, ethnicity, sexual orientation, disability, veteran status and age. Applications are encouraged from all sectors of the community. All Information will be kept confidential according to EEO guidelines.
Xplor is committed to the full inclusion of all qualified individuals. In keeping with our commitment, Xplor will take steps to ensure that people with disabilities are provided reasonable accommodations. Accordingly, if reasonable accommodation is required to fully participate in the job application or interview process, to perform the essential functions of the position, and/or to receive all other benefits and privileges of employment, please contact us via talent@xplortechnologies.com.
We make it a priority to respond to every applicant.
Videos To Watch
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