Source Job

$79,781–$116,347/yr
Global Unlimited PTO

  • Design, develop, and maintain scalable, high-performance, low-latency backend services using Java and AWS in a distributed environment.
  • Collaborate with product, frontend, and QA teams while optimizing services for performance, reliability, and scalability.
  • Drive engineering best practices, CI/CD, observability, and technical mentorship across the team.

Java AWS Microservices Kubernetes Kafka

20 jobs similar to Sr./Staff Backend Engineer - Java

Jobs ranked by similarity.

Global Unlimited PTO

  • Design and develop scalable, high-performance backend services using Java and AWS technologies.
  • Collaborate with cross-functional teams to define technical requirements and ensure smooth integration across the platform.
  • Optimize existing services for performance, reliability, and maintainability while mentoring junior team members.

Oscilar builds the most advanced AI Risk Decisioning Platform for banks, fintechs, and digital native organizations to manage fraud, credit, and compliance risk. The team includes industry veterans from Meta, Uber, Citi, and Confluent, with over 50% of the company in Engineering and Product, fostering a mission-driven culture.

UK

  • Lead the design and development of shared backend services and platform capabilities, driving architectural decisions across multiple teams.
  • Build scalable, highly available cloud-native solutions using Java and AWS technologies, and mentor engineers to promote engineering excellence.
  • Collaborate with product, architecture, and engineering teams to solve complex technical challenges, championing best practices in quality, performance, and security.

Turnitin is a recognized innovator in the global education space, partnering with institutions to promote honesty and fairness in assessments for over 25 years. With a remote-first culture and team members in over 35 countries, we empower you to work with purpose and accountability in a diverse, collaborative community.

Global

  • Design and implement high-performance, fault-tolerant distributed systems powering our SaaS platform.
  • Architect and optimize cloud-native microservices using Java, Spring Boot, and Kubernetes.
  • Collaborate with product and operations teams to improve platform reliability and developer experience.

Jitterbit is a data, application, and process workflow automation solution provider. It is a growing global company with a remote-friendly, performance-oriented culture.

Colombia 1w PTO

  • Serve as a core contributor on the platform, owning key features and architectural improvements end-to-end.
  • Collaborate with a team of deep technical experience and brainstorm ideas to solve complex business-critical challenges.
  • Act as a technical leader across teams, influencing architectural decisions through design reviews and RFCs.

Caseware is a Canadian fintech company providing audit and accounting software for over 30 years, with more than 500,000 users across 130 countries. With over 36,000 professionals listing Caseware as a skill, the company fosters a collaborative, innovative, and remote-friendly culture.

$209,700–$273,775/yr
US

  • Understand user journey and collaborate with product, design and engineering to influence product strategy.
  • Guide technical direction and implementation of large-scale product features, evaluating trade-offs.
  • Mentor and level up teammates' skills while ensuring software engineering excellence.

Atlassian provides software products that help teams collaborate and work together effectively. It is a large multinational company with a culture focused on unleashing the potential of every team and fostering inclusion.

Ireland

  • Design, build, and operate core billing platform services that run at massive scale on AWS.
  • Leverage technologies like Apache Kafka, REST APIs, and Kubernetes to create high-quality, fully performing software.
  • Troubleshoot operational issues, improve procedures, and execute the full software development life cycle.

Twilio delivers innovative communication solutions to hundreds of thousands of businesses, empowering millions of developers worldwide. They are a remote-first company with a strong culture of connection and global inclusion.

Global

  • Design and implement high-performance, fault-tolerant connector integrations and distributed microservices for a multi-tenant SaaS platform.
  • Drive technical decisions, mentor junior engineers, and champion best practices including code reviews, testing, and observability.
  • Collaborate with Product, DevOps, and SRE teams to deliver features, resolve production incidents, and improve platform reliability.

Jitterbit automates and orchestrates business systems through a unified AI-infused low-code platform for integration, orchestration, automation, and app development. The company is a growing leader in the iPaaS space with a flexible, remote-friendly culture and a mission-driven team.

Global

  • Build and scale the backend systems behind salary advance, FGTS, and consignado lending — with a clear eye on reliability and correctness
  • Develop and refine the APIs that power an instant in-app experience, with the precision those transactions demand
  • Collaborate directly with product, credit, compliance, and analytics — your technical perspective shapes the work

Tilt is a financial technology company that uses mobile-first products and machine learning to provide credit based on real-time financial signals, looking beyond traditional credit scores. With millions of customers worldwide, Tilt fosters a culture of ownership, collaboration, and impact, where good ideas travel fast and growth follows contribution.

US

  • Lead design and technical implementation of backend microservices for order processing, ensuring high standards of excellence and robust capabilities.
  • Mentor engineers, perform code reviews, and drive adoption of engineering best practices including AI tooling.
  • Work closely with Product Managers to gather requirements and support software from ideation to release, operation, and maintenance.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women's health, and organ health. The company consists of highly dedicated professionals from world-class institutions, working together to change the landscape of genetic disease management.

Portugal

  • Developing high quality, testable software with unit and integration testing.
  • Writing end-to-end solutions for web-based applications and robust production applications.
  • Releasing software with DevOps culture using CI/CD and collaborating in an Agile environment.

Ryanair Labs is the technology brand of Ryanair, creating Europe's Leading Travel Experience. It is a digital and IT innovation hub with a collaborative, fast-paced culture, part of Europe's largest airline group planning to expand to 800 aircraft and 300 million guests.

Europe

  • Design, build and maintain scalable backend systems using modern Java, Node.js and AWS.
  • Lead technical design and architectural discussions to ensure maintainable, performant solutions.
  • Mentor engineers and drive engineering excellence through testing, documentation and code reviews.

CreateFuture builds scalable, secure software for clients, focusing on Java, Node.js, and AWS. They offer a supportive and friendly culture with flexible working and investment in growth.

Canada

  • Design, develop, test, and maintain software that powers product provisioning, licensing, and purchasing capabilities.
  • Build scalable, reliable, and maintainable backend services using modern engineering practices.
  • Collaborate closely with engineers, product managers, and cross-functional teams to deliver impactful features.

Sonatype provides end-to-end software supply chain security, combining proactive protection against malicious open source, enterprise SBOM management, and leading dependency management. Trusted by over 2,000 organizations including 70% of the Fortune 100 and 15 million developers, the company values diversity, inclusivity, and flexible work.

Ireland

  • Design and implement real-time services with high throughput and low latency, working across the full software development lifecycle.
  • Collaborate with stakeholders to understand customer needs and deliver simple, robust, and scalable solutions.
  • Embrace challenges of scaling a complex distributed platform with global points of presence, ensuring high availability and reliability.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company is a remote-first organization with a strong culture of connection and global inclusion.

US Unlimited PTO

  • You will lead the design and architecture of scalable backend solutions for subscription and membership platforms, directly impacting customer retention and engagement.
  • You will own core subscription systems including billing, lifecycle management, and cross-functional initiatives with engineering teams across commerce, pharmacy, and fulfillment.
  • You will mentor on best practices, drive technical decisions for security and performance, and ensure platform capabilities support an intuitive customer experience.

Hims & Hers is a leading health and wellness platform that provides personalized care from diagnosis to delivery. As a public company on the NYSE, it fosters a talent-first culture with a flexible, remote-friendly approach.

$146,200–$215,000/yr
US Unlimited PTO

  • Design, build, and scale backend services for payment, billing, and identity, leading scoping and implementation of APIs.
  • Drive production rollouts to completion with minimal oversight, working closely with product and engineering peers.
  • Collaborate with teams like Partner Integrations, Fin Platform, and Money to solve renters' problems in small, frequent iterations.

Flex is a fintech company that enables renters to pay rent throughout the month on a flexible schedule. It is a growth-stage NYC headquartered company with a dynamic team located throughout the US, Australia, Canada, and South America, and offers an inclusive culture.

Brazil

  • Act as the technical leadership pillar, mentoring developers and ensuring technical excellence throughout the product lifecycle.
  • Lead solution design and architecture using microservices, DDD, hexagonal architecture, and clean code, while writing high-quality Kotlin and Java code.
  • Drive a quality culture with TDD, code reviews, and performance optimization, handling critical incident resolution.

CI&T helps large companies transform AI potential into real business impact through AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across 25 countries, they foster a collaborative culture focused on innovation and continuous learning.

$146,200–$215,000/yr
US Unlimited PTO

  • Build and maintain backend systems for payment integrations platform.
  • Collaborate with cross-functional teams including Engineering, Product, and Sales.
  • Design robust, fault-tolerant systems with multiple external dependencies.

Flex is a growth-stage FinTech company that enables users to pay rent on a flexible schedule. It has a diverse, inclusive team with employees across the US, Australia, Canada, and South America.

India

  • Architect, build, and scale secure software systems including microservices and REST/gRPC APIs.
  • Lead design of distributed systems using Messaging, Search stores, and cloud storage solutions.
  • Mentor junior engineers, monitor system health, and optimize services with a DevOps mindset.

Zscaler accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss, with thousands of employees and a culture focused on ownership, collaboration, and challenge.

US

  • Set technical direction and own architecture for major services and integrations within Internal Platforms.
  • Design, build, and maintain Java-based backend services that are scalable, resilient, and well-tested.
  • Mentor engineers, partner with cross-functional teams, and drive predictable delivery for complex initiatives.

Fanatics builds a leading global digital sports platform for commerce, collectibles, and betting & gaming. With over 22,000 employees, it is committed to enhancing the fan experience and delighting sports fans globally.

Brazil

  • Design and implement large-scale distributed systems for a high-traffic pet products marketplace.
  • Build scalable, fault-tolerant backend services using Java, Spring Boot, and event-driven architecture.
  • Collaborate with cross-functional teams to ensure system reliability and optimize performance.

Sigma Software creates innovative software solutions for global businesses. They support engineers in solving complex technical challenges within collaborative international teams, fostering professional growth.