Source Job

Africa

  • Design of scalable backend services and APIs that power real-time payments
  • Contribute to architectural decision-making, balancing performance, security, and maintainability
  • Troubleshoot and resolve complex production issues with a focus on root-cause elimination

Java API Kafka SQL CI/CD

20 jobs similar to Sr. Backend Engineer

Jobs ranked by similarity.

$146,200–$215,000/yr
US Unlimited PTO

  • Implement backend systems that support all business features.
  • Design, develop, test, and scale systems needed to deliver great user and partner experiences.
  • Work closely with product, design and engineering peers to solve user problems around rent payment.

Flex is a FinTech company creating the best rent payment experience, empowering renters with flexibility over their most significant recurring expense. They are a growth-stage company headquartered in NYC with employees throughout the US, Australia, Canada and South America, and they focus on building an inclusive culture.

US Unlimited PTO

  • 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

OnePay is a consumer fintech company trusted by millions of Americans to make money better by offering banking, savings, credit cards, lending, investing, and crypto services. They're backed by Walmart and Ribbit Capital, which gives them scale and distribution.

Europe

  • Building APIs for intuitive user interaction with complex data.
  • Designing secure, scalable access control systems for mission-critical environments.
  • Orchestrating workflows to automate graph analytics, inference, and real-time insights.

GraphAware builds real-world intelligence systems. They are somewhere between 51-200 employees and value autonomy and excellence-driven environments, along with global collaboration.

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.

Global

  • Build world-class payments solutions for our restaurants.
  • Ensure platforms are scalable, highly available, reliable and have high performance.
  • Responsible for technical and architectural decisions.

OpenTable, part of Booking Holdings, Inc., is an industry leader helping restaurants thrive with technology. With millions of diners and 60,000+ restaurant partners, they empower restaurants to focus on their team, guests, and bottom line, while enabling diners to discover and book restaurants.

Europe

  • Building and evolving a critical product platform from an early stage.
  • Designing, implementing, and maintaining robust APIs and backend components.
  • Ensuring the system is secure, scalable, and highly available.

Software Mind develops solutions that make an impact for companies around the globe. We build cross-functional engineering teams that take ownership and crave more, and our culture embraces openness, acts with respect, shows grit, and combines employment with enjoyment.

US Unlimited PTO

  • Contribute to backend server-side development to ensure our application is extensible, scalable, and secure
  • Recognize and prioritize between Customer deliverables & Tech debt to develop a sustainable software suite of products
  • Enjoy designing and architecting complex frameworks for applying ML techniques to large data volumes and simplifying labor-intensive processes

Machinify is a leading healthcare intelligence company delivering unmatched value, transparency, and efficiency to health plan clients across the country. They bring together a fully configurable and content-rich, AI-powered platform along with best-in-class expertise and are constantly reimagining what’s possible in the healthcare industry.

Latin America

  • Lead backend architecture evolution, transitioning complex legacy systems into scalable microservices.
  • Integrate real-time data streaming via Kafka and manage distributed data across SQL and NoSQL environments.
  • Adopt AI-assisted workflows to maximize velocity and code quality within an Agile environment.

They are modernizing a critical digital ecosystem. They value developers who thrive at the intersection of robust system design and engineering rigor.

$140,000–$160,000/yr
US

  • Design, implement, and maintain backend services in a modern TypeScript/Node.js ecosystem.
  • Build and evolve event-driven pipelines, task orchestration, and asynchronous workflows.
  • Develop robust APIs (REST and WebSocket) with clear versioning and backward-compatibility guarantees.

GovCIO is passionate about transforming government IT, making a positive impact by delivering innovative IT services and solutions that improve how government agencies operate and serve citizens. They are building a workforce that fuels this mission with a culture investing in people.

  • Build & maintain scalable Java applications focused on complex financial calculations and high-performance deposit processing.
  • Identify architectural bottlenecks and propose modern, resilient solutions.
  • Translate business requirements into robust technical designs, working closely with your squad to ensure high-quality delivery.

Mambu is a leading SaaS cloud banking platform that is on a mission to make banking better for a billion people. They offer exciting career opportunities and help shape the future of financial services.

$160,000–$220,000/yr
US

  • Architect, design, and implement backend services including our core API that powers our data processing and application
  • Write code mostly in Scala
  • Continually look for ways to improve our product’s architecture, whether through direct changes or building tools, components, etc

Pattern Data is an AI-powered platform purpose-built for mass tort litigation, settlement analytics, and claims processing. Their team is built on a foundation of collaborative ownership, visionary problem-solving, customer-centric solutions, and authenticity.

Global

  • Collaborate across disciplines to deliver innovative solutions.
  • Design and implement robust, scalable, and maintainable systems.
  • Build and operate high-performance microservices using Spring Boot.

Welltech is a global company with Ukrainian roots, aiming to help people adopt healthy habits. With over 700 professionals across five hubs and a remote-friendly environment, they focus on innovative wellness solutions.

Global Unlimited PTO

  • Write and push code for the Popl Backend
  • Work with other engineers on using APIs, documentation and tests
  • Monitor logs and resolve any issues quickly

Popl is defining the In-Person Go-To-Market category, helping revenue teams turn real-world interactions into measurable pipeline and revenue with their AI-native platform. They aim to make in-person GTM measurable, scalable, and revenue-driving, fostering a culture of growth and innovation.

$162,000–$190,000/yr
US

  • Design, build, and maintain backend services that power Monstro’s consumer experience
  • Architect systems that scale gracefully as our user base grows
  • Build systems with security as a first-class concern, including authentication, authorization, encryption, and audit logging

Monstro is an AI-native fintech platform reimagining how people and institutions manage money. They’re building a modern foundation for financial decision-making—combining intelligence, automation, and elegant design to help users make smarter choices with confidence.

$75,193–$100,282/yr
Europe

  • Be responsible for owning and delivering quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Design and implement backend services and APIs using Python or Kotlin, operating within Affirm’s microservice and event-driven architecture.
  • Proactively identify opportunities to improve system reliability, team efficiency, or architecture and lead efforts to address them.

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. They are a remote-first company with an emphasis on valuing their employees.

Europe

  • Design solutions that align with the Group Architecture guidelines of a leading Scandinavian bank.
  • Develop solutions that meet business needs while taking into account existing constraints, dependencies, and risks.
  • Contribute to the renewal of card systems across the Nordic countries, shaping how the bank operates in the future.

Tietoevry is committed to creating digital futures that benefit businesses, societies, and humanity. They believe in the power of diversity, equity, and inclusion, fostering an inspiring workplace and fueling innovation.

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.

Americas

  • Lead responses to critical incidents and customer-impacting events
  • Work directly with enterprise customers
  • Collaborate across engineering, product, and support to solve urgent problems

Zapier is a company that builds and uses automation to make work more efficient. They are a remote company leading the way in AI automation and have helped small businesses increase productivity and serve their customers better through integrations and workflow automations.

Europe South America

  • Design, develop, and maintain backend services using Java & Spring Boot, with exposure to Vue.js on the frontend.
  • Write and maintain a strong automated test suite (unit, integration, and end-to-end).
  • Participate actively in code reviews, ensuring quality, performance, and maintainability.

They are looking for an experienced Java Engineer to join a collaborative, agile engineering team working on Java / Spring Boot / Vue.js solutions. The company seems to have a collegial environment where responsibility and authority are shared equally amongst colleagues.

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.