ONE logo
ONE

Helping people save and grow their money.

Backend Software Engineer – CoreApp

Backend EngineerSoftware EngineerOtherRemoteSeniorTeam 201-500H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

125 days ago

Salary

$170K - $210K / year

Seniority

Senior

Bachelor Degree5 yrs expEnglishDistributed Systems

Job Description

Backend Software Engineer – CoreApp

ONE

• Design, build, and ship backend services that support user-facing features across mobile and web experiences • Collaborate closely with frontend engineers, product managers, designers, and data partners • Lead backend technical planning and contribute to architecture decisions that improve scalability, reliability, and performance • Proactively identify opportunities to improve user experience through backend optimizations and system enhancements • Build and maintain clear technical documentation to support a growing and distributed engineering organization

Job Requirements

  • 5+ years of professional experience building and scaling backend systems in consumer technology or fintech environments
  • Experience designing and operating distributed systems, APIs, and data flows that support user facing applications
  • Familiarity with message brokers and event driven systems, as well as caching and performance optimization strategies
  • Demonstrated ability to lead technical execution, mentor other engineers, and deliver with a high bar for quality
  • Drive and proactivity – everyone here is a builder and executor.

Benefits

  • Competitive base salary, stock options, and health benefits from Day 1
  • 401(k) plan with company match
  • Remote-friendly (US), flexible time off (FTO), and opportunities for growth
  • A high-growth, mission-driven, inclusive culture where your work has real impact

Related Job Pages

More Backend Engineer Jobs

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description We are looking for a skilled .NET Developer to join our dynamic team and contribute to our mission of transforming business processes through technology. - Environment: C#, .NET Core, ASP.NET MVC, ASP.NET Web API, Microservices Architecture, RESTful APIs, JSON, SQL Server, Entity Framework, LINQ, Azure/AWS, Docker, Kubernetes, CI/CD pipelines, Git, Agile methodologies, Unit Testing (xUnit, NUnit) - We work only with direct clients. - If you are already on H-1 B and are open to an H-1 B transfer, feel free to apply. - Strictly no C2C/1099/3rd party companies. All our roles are W2 and no 3rd party brokering please. - A coding test is required, so apply only if you are confident and technically strong. - We prefer at least 3 to 5 years of real-time experience. Qualifications - Experience with C#, .NET Core, ASP.NET MVC, ASP.NET Web API - Familiarity with Microservices Architecture and RESTful APIs - Proficient in SQL Server, Entity Framework, and LINQ - Knowledge of Azure/AWS, Docker, Kubernetes - Experience with CI/CD pipelines and Git - Understanding of Agile methodologies and Unit Testing (xUnit, NUnit) Requirements - Must be OPT/CPT/H4 EAD/TN/E3 or any other Non-immigrant visa holder looking for H1B sponsorship for the year 2027 quota. - Must have at least 3 to 5 years of real-time experience. - Must be confident and technically strong to pass a coding test. Benefits - Tremendous career growth potential. - Opportunity to work with cutting-edge technologies. Company Description Bright Vision Technologies is a forward-thinking software development company dedicated to building innovative solutions that help businesses automate and optimize their operations.

United States
Job Closed
Sport Alliance GmbH logo

FinTech Backend Engineer

Sport Alliance GmbH

Digitalization of the fitness industry - Leading service provider for SaaS, Fintech, and lead generation.

Backend Engineer125 days ago
Full TimeRemoteTeam 201-500Since 2011H1B No Sponsor

• You enhance our payment software solutions as part of a cross-functional team • You develop the payment domain of our market-leading B2B fitness SaaS platform in close cooperation with product management and the developer team using JVM technologies and frameworks like Spring Boot. • You create high-quality software components in an agile environment and contribute your ideas within flat hierarchies • You develop and enhance resilient, maintainable microservices in an agile and autonomous environment and its integration with our SaaS platform

Poland
zł27K - zł31K / month
Job Closed
Creatio logo

Full Stack Developer – .NET, Angular

Creatio

Creatio is a global vendor of a no-code platform to automate workflows and CRM with a maximum degree of freedom.

Backend Engineer125 days ago
Full TimeRemoteTeam 501-1,000Since 2014H1B No Sponsor

• Designing, coding, testing, and debugging back-end and front-end code. • Collaborating with product owners, business analysts, architects, customer support team. • Creating web services, Angular components, Creatio configuration, unit, integration, E2E tests. • Participation in product goal implementation and scrum activities. • Providing support for resolving customer cases and ensuring faultless operation of Creatio.

Ukraine
Job Closed
tvScientific logo

Senior Backend Engineer

tvScientific

Performance TV Advertising Platform

Backend Engineer125 days ago
OtherRemoteTeam 51-200Since 2020H1B No Sponsor

• Own and deliver key product features from design through deployment, working closely with design, product, and other stakeholders • Mentor and support engineers, offering guidance and helping to reinforce high engineering standards across the team • Collaborate closely with design, product, and cross-functional stakeholders to deliver a user-friendly and engaging product for our customers. • Ship high-performing and resilient APIs that adhere to industry standards and are delightful to use. • Step into a technical lead role on projects as needed, coordinating across functions and guiding execution without formal authority • Maintain a high standard of quality across our codebase by advocating for cleanliness, readability, speed, testability, and documentation. • Champion software quality, emphasizing readability, reliability, testability, and documentation

United States
$160K - $180K / year
Job Closed