Java Developer Jobs

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role We are seeking a Principal Software Developer to join the Elasticsearch Security team. In this role, you will lead the architecture and design of Elasticsearch's main features. These features include authentication, authorization, and tenant isolation. You will work with engineering and product leaders at Elastic. Your goal is to provide high-performance security at all levels. This includes ensuring that our distributed data store has top-quality security at scale. What You Will Be Doing Owning core security initiatives from architecture to production, focusing on the delivery of new critical features. Leading the technical design, plan, and execution for major security components inside the Elasticsearch core engine. Developing the foundational security models for intricate features. Optimizing security performance at scale in distributed systems environments. Applying cryptographic solutions to address genuine customer use cases. Ensuring robust data isolation within shared infrastructure supporting disparate customers. Monitoring and applying the latest advancements and best practices in security. This includes authentication, identity management, cryptography, and data access management. Collaborating with peers across the company to embed security into new customer features from the outset. Drive vulnerability management ef

We’re looking for an Intermediate Software Developer, Backend who can help us support the development organization to deliver value to customers in a reliable, efficient, and safe manner. You’ll be working in a focused team that owns one piece of the production application environment and the developer experience, you will execute on defined projects to achieve team-level goals. In line with Hootsuite's distributed workforce strategy, our flexible work arrangement allows for a hybrid model. This role is open to applicants located in Bucharest, Romania. WHAT YOU’LL DO: Write software - tools, libraries, automation, services Design and build our infrastructure platform Identify and implement new platform features Research and evaluate new technologies Refactor, rewrite or retire existing platform features Operate our developer experience and production application environments Diagnose and repair our distributed systems Perform maintenance, upgrades and migrations Control or eliminate repetitive tasks, alert noise, and business-as-usual work Enable development teams Provide executable interfaces to our infrastructure platform Provide tools and best practices to support the entire software development lifecycle Participate in a flexible on-call rotation Communicate by writing documentation, participating in meetings, and showing off your work at demos WHAT YOU’LL NEED: A degree in Computer Science or Engineering or equivalent experience working in a software engineering role An ability to write software and working knowledge of software engineering practice (Java programming language and strong working knowledge of object-oriented programming concepts) Proven experience creating stable, reliable, performing and maintainable code Familiarity with data modeling and schema design Knowledge of data structures and algorithms Open Communication: clearly conveys thoughts, both written and verbally, listening attentively and asking questions for clarification

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role We're looking for a Senior Software Engineer to join the Elasticsearch - Storage Engine team . This globally distributed, fully remote team of experienced engineers develops core storage and query technologies for observability workloads, including improving storage efficiency, advancing ES|QL query processing and performance, and optimizing data layouts for object storage. This role is responsible for designing, implementing, and optimizing Elasticsearch's core storage and query engine. The ideal candidate has experience building high-performance, scalable database, search, or distributed systems, with a strong focus on storage, indexing, query execution, and performance optimization. Our company is distributed by intention. We hire the best engineers we can find wherever they are, whoever they are. We collaborate across continents every day over email, GitHub, Zoom, and Slack. At our best, we write fast, scalable, intuitive and high-quality software. We believe that the best way to do that is to empower individual engineers, code review every change, decide big things by consensus, and strive for incremental improvements. What You Will Be Doing Lead the architectural evolution of core storage engine components, continuously identifying and resolving performance bottlenecks in indexing layouts, serialization formats, and r

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role We're looking for a Principal Software Developer to join the Elasticsearch - Storage Engine team. This globally distributed, fully remote team of experienced engineers develops core storage and query technologies for observability workloads, including improving storage efficiency, advancing ES|QL query processing and performance, and optimizing data layouts for object storage. This role is responsible for driving the technical vision, architecture, and design of Elasticsearch's core storage and query engine. The ideal candidate has a proven track record of designing high-performance, scalable database or search engine technologies, along with the ability to drive technical initiatives across organizations. Our company is distributed by intention. We hire the best developers we can find wherever they are, whoever they are. We collaborate across continents every day over email, GitHub, Zoom, and Slack. At our best, we write fast, scalable, and intuitive software. We believe that the best way to do that is to empower individual engineers, code review every change, decide big things by consensus, and strive for incremental improvements. What You Will Be Doing Lead the architectural evolution of core storage engine components, continuously identifying and resolving performance bottlenecks in indexing layouts, serialization form

We’re looking for an Senior Software Developer, Backend who can help us support the development organization to deliver value to customers in a reliable, efficient, and safe manner. You’ll be working in a focused team that owns one piece of the production application environment and the developer experience, you will execute on defined projects to achieve team-level goals. In line with Hootsuite's distributed workforce strategy, our flexible work arrangement allows for a hybrid model. This role is open to applicants within commutable distance to Luxembourg. WHAT YOU’LL DO: Write software - tools, libraries, automation, services Design and build our infrastructure platform Identify and implement new platform features Research and evaluate new technologies Refactor, rewrite or retire existing platform features Operate our developer experience and production application environments Diagnose and repair our distributed systems Perform maintenance, upgrades and migrations Control or eliminate repetitive tasks, alert noise, and business-as-usual work Enable development teams Provide executable interfaces to our infrastructure platform Provide tools and best practices to support the entire software development lifecycle Participate in a flexible on-call rotation Communicate by writing documentation, participating in meetings, and showing off your work at demos WHAT YOU’LL NEED: A degree in Computer Science or Engineering or equivalent experience working in a software engineering role An ability to write software and working knowledge of software engineering practice (Java programming language and strong working knowledge of object-oriented programming concepts) Proven experience creating stable, reliable, performing and maintainable code Familiarity with data modeling and schema design Knowledge of data structures and algorithms Open Communication: clearly conveys thoughts, both written and verbally, listening attentively and asking questions for clarific

The Senior Integration Developer plays a critical role in leading complex and multidisciplinary iPaaS integration projects. In this role, you will partner with our consulting team to design, implement, and deploy data-centric solutions for clients across multiple industries and platforms. This position requires deep expertise in MuleSoft Anypoint and integration architecture, along with the ability to lead solution design discussions, guide project execution, and mentor junior developers. As a senior technical contributor, you will take ownership of complex integration solutions, facilitate technical discovery with clients, and ensure scalable, maintainable integration architectures. You will act as a trusted technical advisor to both internal teams and client stakeholders while driving best practices in integration design, development, and delivery. Responsibilities: Lead the design, development, and implementation of complex integration and API solutions using MuleSoft Anypoint Platform. Translate business requirements into scalable technical integration architectures and implementation strategies. Facilitate discovery sessions and technical workshops with clients to understand system landscapes, integration requirements, and data flows. Own complex integration solutions from design through deployment, ensuring high performance, scalability, and maintainability. Develop and implement integration patterns, APIs, middleware components, and orchestration logic using MuleSoft Anypoint middleware. Analyze source system data and conduct data mapping exercises to support migration and integration initiatives. Design and implement both real-time and batch integrations across cloud and enterprise systems. Lead development of custom code and complex functionality using MuleSoft, DataWeave, and supporting technologies. Develop best practices, reusable integration components, and design patterns for interfaces, APIs, rule engines, and middleware. Drive complex technical desig

SOBRE A CAPCO A Capco é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 40 escritórios nas Américas, Europa e Ásia-Pacífico! Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreira! Estamos buscando um Desenvolvedor de Integração experiente para projetar e implementar integrações corporativas para um programa de Modernização de Automação em larga escala no setor de Energia. A função será responsável pelo desenvolvimento dos microsserviços corporativos para realizar a conexão entre múltiplas plataformas de negócio, incluindo Portal do Cliente, CRM, Faturamento, Precificação, Previsão, Gateways de Pagamento, Utilities, Microsoft Fabric e outras plataformas SaaS. O candidato selecionado trabalhará em estreita colaboração com o Líder de Integração, Arquitetos de Soluções, Analistas de Negócios, Arquitetos de Dados e fornecedores externos para entregar integrações seguras, escaláveis, resilientes e reutilizáveis, utilizando Azure Integration Services e serviços Java Spring Boot. Visão Geral do Projeto: O programa de Modernização de Automação tem como objetivo modernizar o ecossistema da organização nas áreas de clientes, precificação, previsão, faturamento e analytics por meio de integrações API-first, nativas da nuvem e orientadas a eventos no Microsoft Azure. Principais Responsabilidades: • Projetar e desenvolver integrações corporativas utilizando Azure Integration Services e Java Spring Boot. • Desenvolver APIs RESTful e microsserviços utilizando Java e Spring Boot. • Desenvolver e configurar APIs utilizando Azure API Management (APIM). • Implementar padrões de integração síncronos e assíncronos com base nos requisitos da solução. • Desenvolver integrações de mensageria e orientadas a eventos utilizando Azure Service Bus, filas, tópicos, assinaturas e serviços relacionados do Azure. • Imple

The Senior Full stack Application Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Cit

SOBRE A CAPCO A Capco é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 40 escritórios nas Américas, Europa e Ásia-Pacífico! Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreira! Estamos buscando um Desenvolvedor Azure Cloud experiente para liderar a implementação de integrações corporativas para um programa de Modernização de Automação em larga escala no setor de Energia. A função será responsável por definir os padrões corporativos de APIs, a arquitetura orientada a eventos e a estratégia de implementação em múltiplas plataformas de negócio, incluindo Portal do Cliente, CRM, Faturamento, Precificação, Previsão, Gateways de Pagamento, Utilities, Microsoft Fabric e outras plataformas SaaS. O candidato selecionado trabalhará em estreita colaboração com Arquitetos de Soluções, Analistas de Negócios, Arquitetos de Dados e fornecedores externos para entregar integrações seguras, escaláveis, resilientes e reutilizáveis, utilizando os Serviços de Integração do Azure. Visão Geral do Projeto: O programa de Modernização de Automação tem como objetivo modernizar o ecossistema da organização nas áreas de clientes, precificação, previsão, faturamento e analytics por meio de integrações API-first, nativas da nuvem e orientadas a eventos no Microsoft Azure. Principais Responsabilidades: • Projetar, provisionar, configurar e manter a infraestrutura de nuvem Azure nos ambientes de desenvolvimento, testes, staging e produção. • Implementar redes no Azure, incluindo Redes Virtuais, Sub-redes, Grupos de Segurança de Rede, Endpoints Privados, DNS Privado, roteamento e conectividade. • Configurar e gerenciar serviços do Azure que dão suporte a aplicações e integrações, incluindo App Service, Functions, API Management, Service Bus, Storage Accounts, Key Vault e serviços relacionados. • Implementar gerenciame

Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever- evolving cryptocurrency landscape. The Role We’re looking for a Senior Trading Systems Developer with strong experience in low-latency Rust and/or Java to architect and build our electronic trading execution platform. This platform will be central to supporting complex electronic trading algos, such as automated market making on exchanges and quant trading strategies. You will work on the core components that sit on the hot path of our execution stack — including market-data ingestion, order management, risk checks, session control, and high-throughput venue connectivity. You’ll be designing and developing scalable, low-latency components that are resilient under heavy load and tightly integrated with our execution stack and internal trading infrastructure. What You’ll Do Build scalable services using Rust and Java, optimized for latency and throughput. Responsible for development of low latency services on Aeron, including OMS/EMS components, market-data pipelines, and venue gateway connectivity. Integrate with exchange APIs using FIX, REST, WebSocket, and venue-specific protocols. Model complex order lifecycles, state machines, and execution workflows into resilient, observable, fault-tolerant services. Design and maintain SBE message schemas and high-throughput message-bus communication o

*English version will follow* Chez mtrois, nous jumelons des jeunes diplômés talentueux avec les plus grandes entreprises leader sur leurs marchés. Nous sommes toujours à la recherche de diplômés ambitieux pour rejoindre notre programme Alumni Graduate, en lançant votre carrière tech avec un poste de développeur Java Full-stack Junior. Vous travaillerez sur site pour l’un des leaders de la fintech à Montréal. Notre programme Alumni Graduate de 24 mois démarre avec une formation et un coaching de 6 semaines, ou vous apprendrez tout ce dont vous avez besoin pour démarrer du bon pied votre carrière en tant que développeur logiciel. Après avoir complété une formation, vous aurez l’opportunité de démarrer votre carrière dans les meilleures conditions dans une grande banque d’investissement ou chez un leader technologique. Vos missions: Si vous réussissez, vous travaillerez avec l’une des banques leader en investissement basée à Montréal, en tant que développeur logiciel. Vous créerez, développerez et assurerez le maintien d’applications complexes dans une équipe internationale. Nous sommes actuellement à la recherche de développeurs Java, qui, en relations avec les principales parties prenantes, testeront et améliorerons les applications jouant un rôle fondamental dans les opérations quotidienne de la compagnie. Vous travaillerez sur l’ensemble du cycle de développement logiciel, pour acquérir les bases essentielles et répondre aux exigences de support et maintenance, en adoptant une méthodologie Agile et en vous efforçant d’obtenir toujours les meilleurs résultats, pour devenir indispensable à votre équipe. Comment ça marche: Inscrivez-vous en ligne : Remplissez le formulaire en haut de cette page en incluant votre CV. Complétez le processus d’évaluation: Cela impliquera un appel d’introduction avec un membre de notre équipe de talents, un test de résolution de problèmes en ligne et une entrevue finale. Inscrivez-vous au cours de formation en ligne de 6 se

SOBRE A CAPCO A Capco é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 40 escritórios nas Américas, Europa e Ásia-Pacífico! Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreira! Estamos em busca de um consultor Desenvolvedor(a) Fullstack com foco em Backend Senior , proativo e com forte foco em desenvolvimento front-end, para apoiar e aprimorar a Experiência Autenticada do cliente. Principais Responsabilidades Sólida experiência em desenvolvimento Java. Familiaridade com Spring Boot. Conhecimento prático do ecossistema AWS. Comunicação proativa e bom relacionamento com stakeholders. Capacidade de identificar ambiguidades antecipadamente e levantar questionamentos quando os requisitos ou as histórias no Jira não estiverem claros. Forte senso de responsabilidade e comprometimento com o cumprimento dos acordos assumidos. Capacidade de gerenciar alterações de código utilizando práticas disciplinadas de branching e controle de versão. Familiaridade com o uso de ferramentas de desenvolvimento assistidas por IA (por exemplo, Claude), mantendo uma compreensão aprofundada do código gerado, da abordagem de implementação e da solução resultante. Capacidade de explicar, solucionar problemas e dar suporte a código Java, independentemente de ferramentas assistidas por IA terem sido utilizadas durante o desenvolvimento. Inglês avançado - Irá atuar com time do EUA diariamente POR QUE CAPCO: Na Capco promovemos uma cultura inclusiva. Valorizamos a diversidade em todas as suas expressões. Pensamos, em conjunto, sempre em ações diversas de inclusão e de responsabilidade social através de comitês internos geridos pela nossa comunidade interna, como os grupo de Mulheres, Pessoas Com Deficiência, Pessoas Negras, LGBTQIAPN+, Parentalidade, Gerações, entre outros.

*English version will follow* Chez mtrois, nous jumelons des jeunes diplômés talentueux avec les plus grandes entreprises leader sur leurs marchés. Nous sommes toujours à la recherche de diplômés ambitieux pour rejoindre notre programme Alumni Graduate, en lançant votre carrière tech avec un poste de développeur Java Full-stack Junior. Vous travaillerez sur site pour l’un des leaders de la fintech à Montréal. Notre programme Alumni Graduate de 24 mois démarre avec une formation et un coaching de 6 semaines, ou vous apprendrez tout ce dont vous avez besoin pour démarrer du bon pied votre carrière en tant que développeur logiciel. Après avoir complété une formation, vous aurez l’opportunité de démarrer votre carrière dans les meilleures conditions dans une grande banque d’investissement ou chez un leader technologique. Vos missions: Si vous réussissez, vous travaillerez avec l’une des banques leader en investissement basée à Montréal, en tant que développeur logiciel. Vous créerez, développerez et assurerez le maintien d’applications complexes dans une équipe internationale. Nous sommes actuellement à la recherche de développeurs Java, qui, en relations avec les principales parties prenantes, testeront et améliorerons les applications jouant un rôle fondamental dans les opérations quotidienne de la compagnie. Vous travaillerez sur l’ensemble du cycle de développement logiciel, pour acquérir les bases essentielles et répondre aux exigences de support et maintenance, en adoptant une méthodologie Agile et en vous efforçant d’obtenir toujours les meilleurs résultats, pour devenir indispensable à votre équipe. Comment ça marche: Inscrivez-vous en ligne : Remplissez le formulaire en haut de cette page en incluant votre CV. Complétez le processus d’évaluation: Cela impliquera un appel d’introduction avec un membre de notre équipe de talents, un test de résolution de problèmes en ligne et une entrevue finale. Inscrivez-vous au cours de formation en ligne de 6 semaines

Skills required: Java, Python, Mongo DB, NoSQL

Skills required: Java, Python, Mongo DB, NoSQL