Source Job

Europe

  • Design and build high-performance backend services using Java and Spring Boot for global business aviation.
  • Integrate LLM and agentic AI workflows, including RAG and tool orchestration, into existing services.
  • Take ownership of features end-to-end, collaborating with product and engineering teams.

Java Spring Boot PostgreSQL Apache Kafka

20 jobs similar to Senior Backend Developer (Java/Spring Boot, Agentic LLMs)

Jobs ranked by similarity.

Europe

  • Work on business-critical systems for parcel creation and major initiatives across InPost.
  • Own the full development lifecycle: from architecture design to deployment and testing.
  • Build event-driven microservices using Java 21, Spring Boot, Kafka, and Hexagonal Architecture.

InPost Group is an innovative European out of home deliveries company, revolutionizing the way parcels are delivered to customers. With over 10,000 people worldwide, it is one of the largest out of home delivery providers in Europe, committed to sustainable and efficient delivery solutions.

US

  • You will design and develop enterprise-grade AI applications using Python, Java, and Spring Boot.
  • You will integrate generative AI models, including LLMs, RAG, and agentic frameworks, into production systems.
  • You will ensure security, privacy, and compliance across cloud-native Azure applications.

This partner company builds secure, intelligent solutions that transform complex business operations through artificial intelligence. Its collaborative, agile team values accountability, integrity, continuous learning, and diverse perspectives.

Global

  • Design, develop, and maintain backend services, APIs, and data integration layers that power key product features.
  • Author design documents and drive technical leadership across the domain to ensure scalable, reliable microservices.
  • Mentor junior and mid-level engineers while collaborating cross-functionally with global teams.

Tala is an AI-native credit infrastructure company that connects global capital to the global majority, using proprietary risk intelligence to power credit access at scale. The company has distributed over $9 billion to more than 14 million customers and has been recognized by Fortune, CNBC, and Forbes.

Brazil

  • Design, develop, and evolve backend microservices and APIs that power digital commerce and payment processing.
  • Own production support, monitoring, and incident resolution to ensure service stability and performance.
  • Collaborate with engineering teams and business stakeholders to shape technical priorities and promote code quality with responsible use of generative AI.

This company powers digital commerce, payment processing, and fraud prevention across Latin America. It operates with a remote, collaborative, and fast-paced engineering culture, emphasizing technical ownership and innovation.

US

  • Architect and deliver enterprise-grade Java solutions with deep expertise in Java 17/21+, Spring Boot, Spring Cloud, and Spring Security.
  • Drive event-driven microservices using Kafka, Debezium CDC, and Kubernetes with production-grade deployment practices.
  • Integrate Generative AI capabilities into Java platforms using LangChain4j, Spring AI, and MCP for intelligent applications.

Global

  • Design, develop, and maintain Spring Boot services powering our SaaS ecommerce platform.
  • Design secure, scalable solutions meeting PCI DSS and other security requirements.
  • Mentor engineers, drive best practices, and take ownership from design to production.

MarketTime is a growing B2B ecommerce SaaS company helping businesses sell smarter and faster. We're a fully distributed engineering team that values ownership, collaboration, continuous improvement, and building software the right way.

Canada

  • Lead architecture and development of production-grade autonomous multi-agent AI systems.
  • Provide technical leadership across AI engineering, cloud, and DevOps practices.
  • Design and implement LLM- and RAG-based solutions using LangGraph, LangChain, and Claude.

The partner company specializes in building production-grade autonomous and multi-agent AI systems for enterprise clients. Team size and culture are not specified in the posting.

Spain

  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Implement and consume REST APIs and deploy applications on OpenShift.
  • Collaborate with frontend teams using Angular and participate in code reviews and CI activities.

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries, we are committed to delivering impactful, future-ready solutions.

LATAM

  • Execute and own baseline architecture implementations and technical design activities in collaboration with the engineering team.
  • Build, optimize, and maintain scalable full-stack solutions, designing RESTful APIs and messaging systems like NATS.
  • Drive software quality through ATDD/BDD, comprehensive unit testing, and active participation in Agile ceremonies.

MOOVX is a global IT service company based in Uruguay, providing staffing and delivery team services to companies seeking a strategic partner for their products and services. They are a fast-growing, collaborative team recognized as one of the best B2B development companies in Latin America.

India

  • Design and build customer-facing features in a multi-tenant backend using Go and PostgreSQL.
  • Develop AI-powered workflows and integrations that turn fragmented data into actionable customer insights.
  • Own features end-to-end, ensuring reliability, performance, and production readiness across AWS and on-premise deployments.

They build customer intelligence platforms and AI-powered workflows that solve real business challenges. They operate as a product-focused technology environment with a fully remote team, valuing independent problem-solving and collaboration.

  • Design and develop high-performance Java backend applications and robust RESTful APIs.
  • Optimize complex SQL queries and relational database designs for high-throughput data.
  • Collaborate on Git/GitHub workflows and drive architecture modernization at scale.

BarkleyOKRP is a creative agency building cross-channel management tools that turn complex data streams into impactful actions across paid search, social, and retail media. It is a B Corp committed to diversity, equity, inclusion, and belonging.

Brazil 26w maternity 4w paternity

  • Develop and evolve scalable backend services and generative AI features for production environments.
  • Design and implement AI agents, RAG pipelines, and integrations with LLMs and external tools.
  • Collaborate with Product, Design, QA, Data, and AI specialists to influence product direction.

This partner company builds innovative AI-powered products to solve real-world challenges and improve digital experiences. The engineering team is remote and collaborative, with a strong focus on ownership, quality, and continuous learning.

UK

  • Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem.
  • Lead technical design, mentor engineers, and champion engineering excellence through clean code, testing, and automation.
  • Collaborate with cross-functional teams to deliver high-quality software that creates measurable business impact.

CreateFuture is an AI-native consulting partner that builds digital products and services for organisations including PayPal, adidas, NatWest, FanDuel and Money Saving Expert. The company has scaled to over 600 people and is a Great Place to Work-Certified organisation with a strong focus on culture, craft, and quality.

Brazil

  • Develop and evolve complex backend solutions in production microservices, transforming business requirements into scalable and sustainable architectures.
  • Collaborate with architects, tech leads, and product teams to design BFFs and integrations, actively participating in code reviews and best practices.
  • Investigate production issues, identify root causes, and propose architectural improvements while acting as a technical reference for junior and mid-level developers.

CI&T helps large companies turn 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 CI&Ters across 25+ countries, the company fosters a collaborative culture where AI is embedded in daily work.

Global

  • Design, build, and maintain ledger and treasury services in Kotlin and Spring Boot.
  • Own double-entry accounting, reconciliation, and immutable audit trails for all money movement.
  • Work closely with finance, compliance, and payment operations teams in a remote, async environment.

Caliza is commercial banking infrastructure enabling cross-border businesses to hold USD accounts, collect and pay in 33+ currencies, and convert between fiat and stablecoins via one platform and API. It is a remote startup backed by notable investors, with a team that has built financial infrastructure at Visa, Nubank, and other fintechs, and values high autonomy and async collaboration.

  • Design and develop scalable, secure, and high-performance backend services using Java and Spring Boot.
  • Build and maintain cloud-native infrastructure with Terraform and Salt on AWS.
  • Leverage AI-powered development tools to accelerate delivery and improve software quality.

Everbridge is a global software company that provides critical event management and enterprise resilience solutions. The engineering culture emphasizes scalable, reliable, and AI-enabled development practices in a collaborative environment.

Brazil

  • Lead technical vision and architecture for backend microservices in payments and fraud prevention.
  • Drive cross-team initiatives, reduce technical debt, and improve engineering practices.
  • Mentor engineers and guide adoption of generative AI tools while ensuring reliability.

The hiring partner is a financial technology company building solutions for digital commerce, payments, and fraud prevention across Latin America. They foster a remote, collaborative culture focused on innovation, knowledge sharing, and continuous improvement.

India

  • Design and ship LLM-powered features and autonomous agents that author, diagnose, and repair tests.
  • Build RAG and retrieval systems over test artifacts, logs, traces, DOM snapshots, and code.
  • Own backend systems in Java or Go, including orchestration, scheduling, and high-concurrency services.

Element34 builds an AI-native platform for the end-to-end test lifecycle, with SBOX for large-scale test execution on customer infrastructure. We are a small, senior engineering team with no management layers and a strong ownership culture.

Brazil

  • Design and develop scalable Java applications using Java 11+ and Spring Boot.
  • Apply TDD and clean code practices to ensure quality, performance, and maintainability.
  • Collaborate asynchronously with a team that values knowledge sharing and architectural discussions.

Security & IT builds scalable and reliable digital financial products. The company fosters an engineering culture that prioritizes software quality, automated testing, sound architecture, and continuous improvement.