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20 jobs similar to Sr. Software Engineer – Backend Engineering (Core) / Integrations

Jobs ranked by similarity.

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.

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.

US

  • Lead design, development, and modernization of enterprise federal software systems.
  • Architect scalable backend applications using Java, Spring Boot, GraphQL, and REST APIs.
  • Mentor engineers and drive DevSecOps best practices across the full software lifecycle.

Attain Talent is a staffing and recruiting firm specializing in connecting professionals with mission-driven federal technology roles. They are an Equal Opportunity employer committed to fair compensation and a comprehensive benefits package.

$105,000–$130,000/yr
US

  • Design and build backend features and robust REST APIs on the Risk Cloud platform using Java, Kotlin, and Spring Boot.
  • Write clean, understandable code with comprehensive unit and integration tests using JUnit to ensure a stable deployment lifecycle.
  • Act as a subject matter expert for a defined portion of the platform, independently debugging and optimizing data flows across microservices.

LogicGate is the leading AI GRC platform for the Enterprise, helping governance, risk, and compliance teams manage uncertainty and drive business value. The company is recognized as a Leader in the GRC market and fosters a culture of empowerment, ownership, and continuous learning.

Hungary

  • Design and maintain backend services using Java 25 and Spring Boot 4.1.
  • Implement OAuth 2.0/OIDC identity flows and secure APIs.
  • Evolve a modular monolith toward hexagonal architecture with domain-driven design.

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group providing IT and telecommunications services. With over 5300 employees, it is recognized as Hungary's most attractive employer and has received awards for educational cooperation and ethics.

Slovakia

  • Lead the design, development, and continuous improvement of backend services using Java 17+ and Spring Boot.
  • Define and evolve microservices and REST APIs, ensuring scalability, security, and operational reliability.
  • Drive performance optimization, technical stabilization, and root-cause analysis of production services.

Deutsche Telekom IT Solutions Slovakia provides innovative information and communication technology services, forming part of the global Deutsche Telekom group. With over 3,900 employees, it is the second largest employer in eastern Slovakia, fostering a culture of continuous improvement and work-life balance.

US

  • Design and build scalable backend systems using Java Spring Microservices and AI-assisted development tools.
  • Collaborate with engineers through pair programming, code reviews, and knowledge sharing sessions.
  • Mentor junior engineers and drive technical excellence across the team.

Real is a publicly traded, fast-growing global real estate brokerage leveraging technology to empower agents and simplify buying and selling. The company operates across the U.S., Canada, and India, with a culture focused on pairing tech with humanity and results-oriented teamwork.

$96,000–$133,000/yr
Global Unlimited PTO

  • Set technical direction for the Integrations domain, defining patterns and frameworks for 130+ provider integrations.
  • Drive platform-level improvements and ensure architectural decisions scale with company growth.
  • Lead cross-functional execution, mentoring engineers, and aligning multiple squads on technical standards.

Yuno is a payment orchestrator that connects businesses to 300+ payment methods worldwide through a single integration. Founded by the team behind Rappi, it's a fast-growing, remote-first company with a dynamic culture.

India

  • Design and develop scalable full-stack solutions using Java, Spring Boot, and Angular.
  • Shape architecture, technical design, and engineering standards across the development lifecycle.
  • Collaborate with cross-functional teams to deliver secure, cloud-native applications in an Agile environment.

The company is a technology organization that develops secure, high-performance digital products. They operate in an Agile environment with a focus on engineering excellence and continuous improvement.

$128,039–$173,229/yr
US

  • Design, develop, and maintain Java-based cloud applications on GCP using cloud-native architectures.
  • Integrate AI capabilities such as computer vision, OCR, and image search into production applications.
  • Collaborate across engineering, DevOps, QA, product, and security teams to deliver reliable solutions.

A partner company provides cloud and AI solutions for security and IT. The company culture focuses on innovation, professional development, and meaningful technology-driven work.

Poland

  • Design and develop scalable shared backend services using Java and serverless technologies.
  • Implement RESTful APIs and event-driven systems, and contribute to frontend components as needed.
  • Collaborate with cross-functional teams, mentor junior developers, and ensure high-quality code through testing and CI/CD.

Turnitin partners with educational institutions to promote honesty and consistency across all subject areas and assessment types. With over 21,000 academic institutions as clients, the company fosters a remote-centric culture that empowers employees to work with purpose and accountability.

  • Build and maintain backend services and REST APIs on Google Cloud Platform.
  • Integrate authentication models including SSO/RBAC and implement data access patterns.
  • Develop and maintain automated tests and collaborate with leads to deliver reliable features.

Applaudo is an AI-native organization that designs, builds, and scales meaningful software solutions with AI. They are building a high-performance culture focused on collaboration, transparency, and efficient communication.

US

  • You will design, develop, and maintain backend services and REST APIs using Java, Spring Framework, and Node.js.
  • You will build and support containerized microservices deployed on AWS, including Kubernetes/EKS environments.
  • You will troubleshoot complex distributed-system issues and take ownership of production incidents.

pureIntegration is a digital engineering, consulting, and professional services firm serving media, entertainment, and connectivity companies for over 22 years. The company fosters a collaborative, ownership-driven culture with a focus on proactive communication.

Slovakia

  • Design, develop, and continuously improve backend services using Java 17+ and Spring Boot.
  • Build and evolve microservices and REST APIs used by the Charisma solution.
  • Turn new business requirements into maintainable and scalable technical solutions.

Deutsche Telekom System Solutions Slovakia is an innovative IT services company providing communication and information technology services. With over 3,900 employees, it is the second largest employer in eastern Slovakia and focuses on continuous transformation.

Costa Rica

  • Designing and implementing secure and scalable fintech services for a global payments platform.
  • Monitoring and maintaining high-availability services and implementing automated testing.
  • Collaborating with cross-functional teams to deliver on commitments and empower teammates.

TreviPay provides a global B2B payments and invoicing network for sellers. With over 500 employees across 35 countries, the company fosters a collaborative, entrepreneurial culture focused on innovation and growth.

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.

Canada

  • Design, develop, test, and maintain software powering product provisioning, licensing, and purchasing capabilities.
  • Build scalable, reliable backend services using modern engineering practices.
  • Mentor and coach other engineers through technical guidance and code reviews.

Sonatype is the software supply chain security company, providing end-to-end security solutions for software development. With over 2,000 organizations including 70% of the Fortune 100, Sonatype values diversity, inclusivity, and offers flexible working practices.

Argentina

  • Design, develop, and maintain robust backend services, APIs, and data integration layers for a fintech platform.
  • Write clean, efficient, and maintainable code following strict coding standards and participate in code reviews.
  • Optimize database schemas, improve testing infrastructure, and enhance monitoring and alerting capabilities.

Ryz Labs is a talent platform that connects skilled engineers with leading companies. They focus on building high-performing remote teams and fostering a culture of collaboration and growth.

Brazil

  • Design, develop, and integrate full-stack application components using React and Java 21/Spring Boot.
  • Build scalable web applications and implement RESTful APIs, microservices, and enterprise integrations.
  • Ensure code quality, performance, and security (OAuth2, OIDC, JWT) while supporting production systems with monitoring and on-call rotation.

CI&T helps large enterprises transform AI potential into real business impact with AI Deployment and tech-integrated solutions. With 30 years of experience, we are 8,000 CI&Ters across more than 25 countries, collaborating to build impactful solutions.

LATAM

  • Build and maintain production-grade backend systems with Java and Spring Boot.
  • Design scalable microservices, RESTful APIs, and distributed systems.
  • Integrate LLM-based workflows and optimize system performance.

The company builds and maintains production-grade backend systems for AI-enabled product experiences. The size is not specified but they focus on scalable microservices and cross-functional collaboration.