Source Job

US Unlimited PTO

  • Develop and maintain backend services for card payment processing using PHP (Symfony) and Golang.
  • Integrate and support payment service providers (PSPs) and acquirers (Adyen, Checkout.com, JP Morgan Chase, etc.).
  • Design and implement scalable, event-driven architectures for high-load payment systems.

PHP Golang SQL MySQL MongoDB

20 jobs similar to Backend Developer

Jobs ranked by similarity.

Global

  • Design and maintain robust, scalable backend services using Laravel.
  • Write unit, integration, and feature tests as a primary part of the development process.
  • Apply SOLID principles to decouple logic and ensure the codebase is easy to refactor.

Lendha is a fast-growing fintech company dedicated to empowering SMEs through accessible credit and financial management tools. They don’t just build apps; they build the infrastructure that helps businesses thrive and value technical excellence.

$164,467–$193,491/yr
US

  • Design and implement high-performance Golang microservices.
  • Take ownership of components and features within backend systems.
  • Collaborate closely with Product, Design, and Data teams.

Gametime helps people discover and access live experiences. With platforms supporting more than 60,000 events across the US and Canada, they are reimagining the event ticket industry. The company values collaboration, inclusivity, and the strength of diverse perspectives.

Global

  • Develop and maintain backend services using Golang.
  • Implement features, bug fixes, and system improvements.
  • Support AWS infrastructure provisioning and updates using Terraform.

Founded in 2016, Pismo provides a processing platform for banking, card issuing and financial market infrastructure, helping customers innovate and build banking and payment solutions. With over 500 employees across 10 countries, Pismo joined Visa in 2024.

APAC

  • Develop backend components and services in Golang that process high-scale, data-rich event streams.
  • Design and implement database interactions using PostgreSQL and ClickHouse, focusing on performance, reliability and observability.
  • Collaborate with PM, UX, and other engineering teams to define, build, and iterate on monitoring and insights features that solve real user problems.

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Their mission is to enable everyone to contribute to and co-create the software that powers our world.

US 4w PTO

  • Develop backend services for a leading trading platform.
  • Handle business processes related to trading, order issuance, and execution.
  • Prioritize high performance, low latency, and fault tolerance.

Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. They focus on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services.

$188,737–$222,044/yr
US

  • Lead the architecture and implementation of high-performance Golang microservices.
  • Own the technical design and execution of cross-functional projects.
  • Build, test, monitor, and maintain mission-critical integrations and infrastructure.

Gametime unites the world through shared experiences by making it easy for people to discover and access live events. With platforms across various devices supporting numerous events in the US and Canada, they are reimagining the event ticket industry.

Global

  • Develop scalable, high-volume, performant applications focused on simplicity and user delight
  • Produce high-quality software that is unit tested, code reviewed and checked in regularly for continuous integration
  • Brainstorm with designers, architects and product managers to build and tweak functionalities

Percona provides open-source database software, support, and services. They are a remote-only and globally dispersed workforce with colleagues in more than 50 countries, offering a collaborative and highly-engaged culture.

$120,800–$181,200/yr
US

  • Collaborate with frontend engineers to create APIs to provide a best-in-class experience for our users
  • Integrate with external services using APIs to manage payments, documents, and claims
  • Contribute to important architectural and operational decisions like microservices vs. monoliths, deployment techniques, technologies, policies, processes, etc.

Openly is rebuilding the insurance sector from the ground up, re-envisioning and enhancing every aspect of the customer experience. They are a rapidly growing team of exceptional, curious, empathetic people with a wide range of skill sets, spanning technology, data science, product, marketing, sales, service, claims handling, and finance.

Europe

  • Take ownership of complex backend systems end-to-end.
  • Design and build robust, scalable APIs and distributed systems.
  • Collaborate with Product, Frontend, and Design teams.

The company is one of Europe’s fastest-growing Series A startups. They offer exciting and challenging work with real impact and ownership.

Latin America

  • Design, develop, and maintain backend services using PHP and Laravel.
  • Build and customize Shopify themes and storefronts, leveraging Liquid and Shopify APIs.
  • Integrate Shopify with backend services and third-party systems.

EX Squared LATAM connects top engineering talent across the region with innovative digital projects. They are a global digital solutions company built on collaboration, craftsmanship, and innovation, where the LATAM engineering teams work with international clients to deliver impactful, scalable software solutions.

Global 5w PTO

  • Design and implement backend services in Go that are secure, observable, and resilient.
  • Own API architecture (REST/gRPC), versioning, and backward compatibility for internal + external consumers.
  • Integrate with customer ecosystems (SSO/SAML/OIDC, SCIM, LMS/LXP, webhooks, data exports, APIs).

Pixaera is a passionate team of builders dedicated to delivering solutions that empower people. They leverage AI and gamification to build a vertical platform that is centered around improving the safety readiness of frontline workers in any high-risk industry.

US

  • Collaborate with product and engineering teams to understand business requirements.
  • Write clean, efficient, and maintainable code adhering to coding standards.
  • Continuously improve the performance, scalability, and reliability of systems.

LTK empowers lifestyle creators to monetize their content through its technology platform. They have a diverse, multi-disciplinary team and operate on five continents, with headquarters in Dallas, TX.

$105,000–$130,000/yr
US Unlimited PTO

  • Design, implement, and maintain backend services and APIs that support core product features.
  • Work with Postgres database to model data, write efficient queries, and ensure data integrity and performance.
  • Collaborate with frontend engineers, product managers, and designers to support end-to-end feature development.

Impiricus is the first and only AI-powered HCP Engagement Engine that ethically connects HCPs to pharma resources, reduce go-to-market costs and accelerate patient access to the treatments they need. Founded by a practicing physician and a senior pharmaceutical executive, In 2025, Deloitte named Impiricus the #1 fastest growing company in North America.

Canada

  • Write backend code in Go with guidance from senior team members, implementing well-defined features and bug fixes.
  • Work with PostgreSQL and Dynamo DB, learning about message-driven architectures with RabbitMQ.
  • Make small changes to frontend applications (Angular/Ionic for mobile, React for web) with support from frontend-focused teammates.

KOHO aims to improve financial services for Canadians by offering transparent and user-friendly financial products. They foster a collaborative, creative, and inclusive culture, valuing work-life integration and empowering employees to make a significant impact.

US

  • Design, develop, and maintain scalable backend services and APIs.
  • Take ownership of complex features end-to-end, from design through deployment and monitoring.
  • Architect key system components that balance performance, reliability, and maintainability.

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. As an independent, publicly traded company, VERSANT brings together powerhouse cable networks with dynamic digital and direct-to-consumer brands.

$750–$1,800/mo

  • Be an integral part of the software development lifecycle
  • Work as an integrated team member developing new features
  • Evaluate and deploy software tools, processes, and metrics

Sezzle's mission is to financially empower the next generation, revolutionizing the shopping experience beyond payments with interest-free installment plans. They blend cutting-edge tech to redefine how people discover, interact with, and purchase things, driving impact on merchant sales.

$118,000–$158,000/yr
US Canada UK Unlimited PTO

  • Design, build, and maintain web applications, APIs, backend services, and lambdas for the Loop product line.
  • Solve technical issues for our merchants, partners, and internal teams, with support from more experienced engineers.
  • Develop automated unit and integration tests to ensure code quality and reliability.

Loop provides a commerce operations suite that helps merchants make smarter decisions with every transaction. They have over 5,000 brands using their platform to build businesses that last and balance high levels of empathy with high standards.

$145,600–$163,800/yr
US

  • Collaborate with internal and external partners to develop the core systems and create APIs.
  • Build out internal tooling and APIs to make business and engineering processes easier, faster, and safer.
  • Implement systemic changes to align existing systems with current architectural goals.

Openly is rebuilding insurance from the ground up, aiming to enhance every aspect of the customer experience. They are a rapidly growing team of exceptional people with diverse skill sets, they value collaboration, communication, and work-life balance.

US

  • Drive planning and prioritization of projects based on product, technical, and business goals by leveraging relevant resources and data.
  • Work cross functionally with colleagues in Experience, Accounting, Product, and Analytics teams to set and execute our money movement strategy for the Debit card
  • Build APIs and data models to work within micro-service and event-driven architectures

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is experiencing explosive growth with millions of customers across thousands of merchants in-store and online, and its culture is built on honesty and trust.

US

  • Design, develop, and maintain high-quality, scalable backend code to power both internal and external workflows.
  • Collaborate with frontend engineers, infrastructure engineers, product managers, and others to build powerful features.
  • Lead the planning and design for the backend portion of projects that help keep students safe.

Gaggle supports student safety and well-being by working with K-12 schools to prevent bullying, school violence, self-harm, and suicide. They also provide teletherapy, a crisis line, and other services to prioritize the mental and physical health of students; Gaggle is recognized as a 2023 Top Workplace and also a 2024 Top Workplaces USA Today award.