Source Job

Europe

  • Build and maintain backend services that support payment processing, fare calculations, and transaction flows
  • Contribute to the design of scalable, secure and resilient systems
  • Collaborate with cross-functional teams to deliver features from concept through to production

Java Kotlin APIs AWS Kafka

20 jobs similar to Backend Developer

Jobs ranked by similarity.

Europe

  • Ship code that powers thousands of drivers every single day across multiple countries
  • Build lightning-fast, serverless architectures on AWS that scale effortlessly
  • Own the entire backend infrastructure – this isn't just writing code, it's shaping the foundation of our platform

Everfield acquires and develops European vertical market and specialist software companies, empowering them for growth. They operate on a decentralized model, allowing companies to maintain their identity while providing support in talent acquisition and operational expertise, with presence in 9 countries.

$145,000–$190,000/yr
North America Unlimited PTO

  • Design and build backend services supporting financial workflows and transaction processing.
  • Collaborate with product and engineering teams to design scalable system solutions.
  • Write maintainable and well-tested code using Java and modern JVM frameworks.

LeafLink is the largest unified B2B cannabis platform, providing licensed cannabis businesses a suite of tools to manage their business more effectively, sell or order from their favorite brands and accelerate growth. Our team is backed by funding from leading VC's, including Founders Fund, Thrive Capital, Nosara Capital, and Lerer Hippeau and is poised to define the cannabis supply chain through technology.

$123,586–$174,043/yr
Europe

  • Break down larger projects into individual tasks and deliver them in multiple phases.
  • Support peers and stakeholders in the product development lifecycle.
  • Contribute to a sense of community by engaging in growth and development activities.

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 that values its employees by offering competitive benefits.

Europe

  • Contribute to a full life-cycle of the product (including problem discovery, prototyping, design, implementation, and measuring adoption)
  • Build services with Java / Node.js (Express, Nest.js) on top of Kubernetes/AWS/GCP infrastructure
  • Build developer-friendly RESTful APIs

SmartRecruiters is a global leader in enterprise recruitment software, offering a cloud-based global Hiring Success platform that allows teams to attract, select, and hire the best talent. They are a values-driven, global-minded, and well-funded tech company with a collaborative, diverse, and remote-friendly work environment.

Canada

  • Break down larger projects into individual tasks and deliver them in multiple phases.
  • Collaborate with product management, design & analytics.
  • Contribute to a sense of community on your team.

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 a remote-first company with competitive benefits and a transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

Europe

  • Design, develop, and optimize scalable shared backend services using Java and serverless technologies (AWS Lambda)
  • Design / implement RESTful APIs and event-driven systems
  • Contribute to the development of user-facing frontend components as needed. Optimize existing services for improved performance and cost-efficiency

Turnitin partners with educational institutions to promote honesty, consistency, and fairness across all subject areas. They have over 16,000 academic institutions, publishers, and corporations using their services and offices in multiple countries.

Canada

  • Design & expand the backbone of our platform to scale to hundreds of thousands of merchants from all around the world
  • Mentor other engineers to ensure their development & growth
  • Improve engineering standards, tooling, and processes throughout the organization

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. The company is remote-first and offers competitive benefits that are anchored to their core value of people come first.

$130,000–$170,000/yr
US

  • Develop and maintain backend services of our EV platform, ensuring seamless component integration.
  • Integrate with third-party APIs to implement external services, enhancing OEM partners and other external solutions.
  • Develop services to interact with connected vehicles at scale and maintain front end web apps for UIs.

EnergyHub empowers utilities and their customers to create a clean, distributed energy future. Their platform helps consumers turn smart thermostats, EVs, and other products into virtual power plants, partnering with leading IoT companies to provide energy and cost savings.

Global

  • Build and maintain plugins that connect our platform with external systems, APIs, and databases.
  • Develop and implement custom plugins for our customers to integrate their systems with Kestra.
  • Perform thorough testing of integration solutions to identify and resolve issues promptly.

Kestra's mission is to make orchestration and automation simpler. They are an open-source platform that helps teams manage complex workflows, and are looking for engineers to help them take things to the next level.

Brazil

  • Design, develop, and maintain backend services using Golang for the Seller Management platform.
  • Build event-driven, scalable, and resilient systems that support complex financial workflows.
  • Participate in technical discussions, architecture decisions, and solution design.

Pismo, founded in 2016 and acquired by Visa in 2024, provides a comprehensive processing platform for banking, card issuing, and financial market infrastructure. With over 500 employees in 10+ countries, it helps customers innovate and build the next generation of banking and payment solutions, leveraging Visa’s solutions.

US

  • You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  • You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving 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. The company values its employees and offers competitive benefits.

$69,622–$106,338/yr
Canada

  • Design, build, and maintain Java-based backend services.
  • Modernize legacy Java applications and refactor outdated patterns.
  • Implement and operate high-volume event- and batch-driven processing pipelines.

Applied Systems transforms the insurance industry with innovative software and services. They have 40+ years of experience and a culture built on values.

Global

  • Design, develop, and maintain backend services using Golang or Java, following clean code principles.
  • Build and evolve event‑driven and microservices‑based architectures that handle financial movements with high reliability.
  • Ensure data accuracy, idempotency, and consistency across distributed systems that process financial and accounting information.

Pismo provides a processing platform for banking, card issuing and financial market infrastructure, helping customers innovate and build banking and payment solutions. Pismo joined Visa in 2024 and has 500+ employees located in more than 10 countries around the world.

$100,000–$135,000/yr
US

  • Design and develop scalable backend services using Java and modern frameworks within a cloud-based environment.
  • Build and maintain APIs and microservices supporting enterprise notification and communication workflows.
  • Collaborate with frontend engineers, designers, and product teams to deliver accessible, user-focused solutions.

Oddball believes the best products are built when companies understand and value their work. The company values learning, growth, and making a big impact, aiming to improve lives by delivering quality software to the federal space.

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 that aims to improve financial systems for millions of Americans. They provide an all-in-one financial services platform, partnering with employers to deliver embedded financial services to employees and frontline workers.

$146,200–$215,000/yr
US Unlimited PTO

  • Implementing backend systems that support all business features.
  • Designing, developing, testing, and scaling systems for great user and partner experiences.
  • Working with product, design and engineering peers to solve user problems around rent payment.

Flex is a FinTech company creating the best rent payment experience, enabling users to pay rent throughout the month on a schedule that fits their finances. They aim to empower renters with flexibility over their most significant recurring expense and are backed by unprecedented investor support and an enthusiastic user base.

$60,000–$75,000/yr
LATAM Unlimited PTO

  • Own backend features end-to-end, including discovery, design, implementation, rollout, and long-term reliability/operations.
  • Design and evolve distributed systems (services, pipelines, data stores) with strong performance, scalability, and resiliency.
  • Build and maintain APIs (REST/GraphQL, where relevant) and data access patterns supporting analytics and search use cases.

Traackr is a global SaaS technology company providing a data-driven influencer marketing platform. They enable marketers to optimize investments, streamline campaigns, and scale programs. They are a remote-first company with offices in San Francisco, New York, Boston, Paris, and London.

US

  • Design, implement, and maintain reliable systems for processing payments, scheduling payouts, and reconciling transactions.
  • Collaborate with Finance, Compliance, and Product teams to build features that meet regulatory, tax, and reporting requirements
  • Architect systems for auditability, security, and fault tolerance across distributed services

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. They are an industry-changing media company fueled by innovation and an entrepreneurial spirit.

$73,000–$94,900/yr
Canada

  • Own and maintain authentication and authorization systems.
  • Make changes to mobile and web apps with support.
  • Develop POCs and build dashboards to drive data-driven decisions.

KOHO aims to improve financial services for Canadians by offering transparent and user-friendly products. They foster a culture of trust and autonomy, prioritizing work-life integration and collaboration.

Europe

  • Ensure robustness, availability, and security in software development.
  • Lead technical vision and implement frameworks for feature development.
  • Optimize services across infrastructure, platform, and software layers.

Ticketmaster, a part of Live Nation Entertainment, connects people around the world to live events. It's the world’s largest ticket marketplace and provides enterprise tools and services for the live entertainment business, driven by an inspiring and diverse culture.