One is a fintech company backed by Ribbit and Walmart, creating simple solutions to help customers save, spend, borrow, and grow their money in one place.

One is revolutionizing financial services by creating an all-in-one platform to help customers achieve financial progress. As a Backend Engineer in our Fintech team, you'll be at the forefront of building products that serve millions of Americans who currently struggle with accessing credit and building wealth. 

The role involves working with cutting-edge technologies including TypeScript, Node.js, and Kubernetes on AWS, utilizing functional programming principles through the fp-ts library. You'll be responsible for architecting and implementing software applications, developing features from scratch, and handling complex financial transactions and sensitive data.

We're looking for someone with 3-7 years of experience who brings a strong background in banking or fintech, with deep understanding of event-driven architecture and microservices. The ideal candidate will have experience with banking systems, financial transactions, and payment processing, along with the ability to lead and mentor others.

What makes this opportunity unique is our backing by prominent investors like Ribbit and Walmart, while maintaining the agility of a startup. We offer competitive compensation ($130,000-$170,000), generous equity, flexible remote work options, and comprehensive benefits including 401(k) matching and parental leave.

Join us in our mission to transform financial services and make a real impact on people's lives. Our collaborative culture, emphasis on technical excellence, and commitment to employee growth make One an exceptional place to advance your career in fintech.

Backend Engineer role at One, building fintech solutions with TypeScript and Node.js, offering competitive salary and remote work options.

Backend Engineer, Fintech

One is a fintech company creating simple solutions to help customers save, spend, borrow, and grow their money – all in one place.

One is on a mission to revolutionize financial services by creating an all-in-one platform to help customers achieve financial progress. As a Full Stack Engineer on the One@Work team, you'll be responsible for building employer benefit features including Instapay, savings, and budgeting. The role involves creating simple yet powerful experiences for daily financial interactions.

The company is uniquely positioned with backing from Ribbit (preeminent fintech investor) and Walmart, combining startup agility with strong financial support. One aims to address crucial gaps in the U.S. financial system, where millions of Americans struggle with access to credit and efficient money management.

Working at One, you'll use modern technologies including fp-ts library for functional programming with Node/TypeScript on AWS and Kubernetes. The role offers competitive compensation ($170,000-$210,000), comprehensive benefits, and the opportunity to work remotely. You'll be part of a collaborative team solving real-world money movement challenges and creating novel financial mechanics.

The ideal candidate brings 10+ years of professional experience, demonstrates ownership mentality, and embodies the company's values of being Hungry, Humble, and Honest. While specific stack experience isn't required, familiarity with functional programming concepts will help you ramp up quickly.

Join One to be part of a mission-driven team working to improve financial accessibility and help customers achieve their financial goals. The company offers a flexible work environment, competitive benefits, and the chance to make a meaningful impact in the fintech space.

Senior Full Stack Engineer position at One, building employer benefit features and financial technology solutions with competitive pay and remote work options.

Software Engineer, One@Work

One is a fintech company backed by Ribbit and Walmart, focused on helping customers achieve financial progress through simple solutions for saving, spending, borrowing, and growing money.

One is an innovative fintech company on a mission to revolutionize financial services by creating comprehensive solutions that help customers save, spend, borrow, and grow their money – all in one place. Backed by prominent investors Ribbit and Walmart, One combines the agility of a startup with substantial institutional support.

As a Corporate Security Engineer, you'll be at the forefront of designing and implementing One's corporate security infrastructure. This role demands expertise in Identity and Access Management (IAM), endpoint security, and automation. You'll be responsible for enhancing security controls, developing strategic frameworks, and ensuring the protection of corporate systems in a rapidly scaling environment.

The position requires 10+ years of IT experience with deep expertise in enterprise security, AWS IAM, and cloud environments. You'll work with cutting-edge technologies including Python, TypeScript, and various security tools while implementing Zero Trust Network Access and Data Loss Prevention solutions. The role offers a competitive salary range of $170,000 to $210,000, along with comprehensive benefits including stock options, flexible work arrangements, and a 401(k) match.

This is an excellent opportunity for a seasoned security professional who wants to make a significant impact in a growing fintech company while working with modern technologies and addressing complex security challenges. The role combines technical leadership with the chance to influence security strategy and mentor others, making it ideal for someone who enjoys both hands-on work and strategic thinking.

Senior Security Engineer role at One, focusing on IAM, endpoint security, and automation with competitive compensation between $170k-$210k.

Corporate Security Engineer - IAM, Endpoints, & Automation

One is revolutionizing financial services by creating an all-in-one platform to help customers achieve financial progress. As a Software Engineer on the Data Platform team, you'll play a crucial role in building and maintaining the data infrastructure that powers our financial services. The position offers an opportunity to work with cutting-edge technologies like Databricks, Spark, and Python while handling large-scale data processing and ML operations.

The role combines technical expertise in data engineering with the excitement of working at a well-backed fintech startup. You'll be responsible for designing and implementing both streaming and batch data pipelines, ensuring data security and scalability, and supporting ML operations. The position requires 3-7 years of experience and offers a competitive salary range of $130,000-$170,000.

Working at One means joining a mission-driven company backed by major players like Ribbit and Walmart, while maintaining the agility of a startup. The company offers an attractive benefits package including equity, flexible work arrangements, and comprehensive healthcare. This is an excellent opportunity for a data engineer who wants to make a real impact on financial inclusion while working with modern data technologies and practices.

Software Engineer position focused on building and maintaining data infrastructure using Databricks, Spark, and Python at One, a fintech startup backed by Walmart and Ribbit.

Software Engineer - Data Platform

One is on a mission to revolutionize financial progress for customers by creating an all-in-one platform for saving, spending, borrowing, and growing money. As a Full Stack Engineer on the One@Work team, you'll be responsible for building employer benefit features including Instapay, savings, and budgeting. The role involves working with Node/TypeScript, Kubernetes, and AWS, utilizing functional programming concepts through the fp-ts library.

The position offers an opportunity to work on crucial financial interactions, dealing with real-world money movement and sensitive financial data at scale. You'll be part of creating novel financial mechanics with no real precedent. The company is backed by Ribbit and Walmart, combining the agility of a startup with strong financial backing.

The ideal candidate brings 10+ years of professional experience and embodies the "Triple H Factor" - Hungry, Humble, and Honest. You'll work in a collaborative environment where documentation and quality across code, communication, and culture are highly valued. The company offers competitive compensation ($170,000-$210,000), generous stock options, and comprehensive benefits including flexible work arrangements and paid leave programs.

One is committed to building a diverse team and fostering an inclusive environment. The company maintains a flat titling structure internally to promote equity and thoughtful scaling. This remote position offers the flexibility to work from anywhere in the US while contributing to a mission-driven company that's working to help millions of Americans achieve better financial outcomes.

Senior Full Stack Engineer position at One, building employer benefit features including Instapay, savings, and budgeting solutions using TypeScript and Kubernetes.

One is on a mission to revolutionize financial progress for customers by creating an all-in-one platform for saving, spending, borrowing, and growing money. Backed by prominent fintech investor Ribbit and retail giant Walmart, One combines startup agility with world-class talent to address the critical needs of millions of Americans who struggle with traditional banking access.

As a Data Platform Engineer, you'll join our growing Data Platform team to shape the company's data infrastructure. This role is crucial in developing and maintaining sophisticated data pipelines and warehouses that power our analytics and AI operations. You'll work at the intersection of data engineering and machine learning, ensuring our infrastructure supports advanced analytics and real-time decision-making.

The position offers a competitive salary range of $130,000 to $170,000, along with comprehensive benefits including equity options, flexible remote work, and a 401(k) match. You'll be part of a team that values innovation and ownership, working on challenging problems that directly impact financial accessibility for millions of users.

The ideal candidate brings 3-7 years of relevant experience, with strong expertise in Python, Apache Spark, and SQL. You'll need to demonstrate proficiency in building scalable data solutions and working with streaming technologies like Kafka. This role offers an exciting opportunity to contribute to a mission-driven company while working with cutting-edge data technologies and MLOps practices.

Data Platform Engineer role at One, building scalable data infrastructure and ML pipelines with Python, Spark, and Kafka in a remote-friendly fintech environment.

Data Platform Engineer

One is revolutionizing financial services with a mission to help customers achieve financial progress. Backed by prominent fintech investor Ribbit and Walmart, we're creating an all-in-one platform for saving, spending, borrowing, and growing money. As a Data Platform Engineer, you'll join our growing team to build and maintain critical data infrastructure that powers our analytics and AI capabilities. You'll work with cutting-edge technologies like Databricks, Spark, and Python to design and implement robust data pipelines. The role offers competitive compensation ($130,000-$170,000), equity options, and full remote flexibility. You'll be instrumental in building systems that help millions of Americans access better financial services. We're looking for someone with 3-7 years of experience who can drive our data strategy while maintaining high standards of reliability and security. Join us in our mission to transform financial services and make a real impact on people's lives.

Data Platform Engineer role at One, building data infrastructure and pipelines using Databricks, Spark, and Python, with competitive salary and remote work options.

One is revolutionizing financial services by creating an all-in-one platform to help customers achieve financial progress. As a Data Platform Engineer, you'll join a mission-driven company backed by Ribbit and Walmart, working on critical data infrastructure that powers advanced analytics and ML operations. You'll be responsible for designing and maintaining data pipelines, warehouses, and MLOps workflows using cutting-edge technologies like Databricks, Spark, and Python.

The role offers an opportunity to work with cross-functional teams, building scalable solutions that directly impact millions of Americans' financial lives. You'll be instrumental in transforming batch processes into real-time streaming solutions and establishing robust data governance practices. The position combines technical challenges with meaningful impact, as One works to address the needs of underbanked populations and simplify financial management.

Working at One means joining a high-growth fintech startup with the stability of major backing. The company offers competitive compensation ($130,000-$170,000), generous equity, and comprehensive benefits from day one. With a flexible remote work policy and strong emphasis on work-life balance, One provides an ideal environment for engineers who want to build impactful solutions while maintaining autonomy over their work schedule.

The ideal candidate brings 3-7 years of data platform experience, strong technical skills in Python, Spark, and SQL, and a passion for solving complex data challenges. If you're excited about using technology to democratize financial services and want to join a team that values ownership mentality and collaborative problem-solving, this role offers an excellent opportunity to make a significant impact.

Data Platform Engineer role at One, building scalable data infrastructure and MLOps workflows using Databricks, Spark, and Python, with competitive compensation and remote work options.

One is on a mission to revolutionize financial progress for customers through an all-in-one platform for saving, spending, borrowing, and growing money. Backed by Ribbit and Walmart, we're tackling the challenge of helping millions of Americans who struggle with access to credit and financial services.

As a Full Stack Engineer on the One@Work team, you'll be instrumental in developing employer benefit features including Instapay, savings, and budgeting. We're looking for experienced engineers who can build simple yet powerful experiences for daily financial interactions. Our tech stack includes fp-ts library for functional programming with Node/TypeScript on Kubernetes and AWS.

The role demands someone with 10+ years of experience who can collaborate effectively, maintain documentation, and solve complex problems involving real-world money movement and sensitive financial data at scale. We value quality across code, communication, and culture, and seek individuals who demonstrate our Triple H Factor: Hungry, Humble, Honest.

We offer a competitive compensation package ranging from $170,000 to $210,000, along with comprehensive benefits including equity, 401(k) with match, flexible time off, and the choice of remote or office work. Join us in our mission to help people achieve financial progress while working with a world-class team in a fast-paced, startup environment.

Senior Full Stack Engineer position at One, building employer benefit features and financial technology solutions with Node/TypeScript and AWS.

One Engineering Jobs

One is a fintech company backed by Ribbit and Walmart, creating simple solutions to help customers save, spend, borrow, and grow their money in one place.