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Backend Engineer

Senior Java Engineer - Distributed Systems, Serverless - Elasticsearch

Elastic

Удалённоsenior

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Описание вакансии

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 on the lookout for a
Senior Software Engineer
to join our
Elasticsearch - Distributed Systems team
and focus on how Elasticsearch provides scale, performance, and resilience, especially in the context of our Serverless offering. You will be tackling deep distributed systems challenges in how nodes in an Elasticsearch cluster communicate, and how data are indexed, allocated, and managed across nodes.

What You Will Be Doing:

  • Leveraging your distributed systems expertise to build, and operate core pieces of our next-generation Serverless Elasticsearch offering, directly impacting the experience of customers worldwide.
  • Improving Elasticsearch’s components that support concurrent and consistent indexing across multiple machines.
  • Maintaining our cluster coordination system to keep performance high even though nodes come and go from the cluster and data moves around, while maintaining the safety and liveness properties of the system as a whole.
  • Pushing the limits on the number of shards, nodes, and petabytes that Elasticsearch can handle today.
  • Looking into all kinds of issues, including performance or concurrency issues, and proposing solutions.
  • Supporting our support engineers with the harder problems.
  • Owning operational investigations end-to-end, until performance or stability issues are successfully resolved.

What You Bring:

  • You have a deep background in distributed systems and consensus algorithms.
  • You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features.
  • You have a deep technical proficiency in algorithms.
  • You have shown your ability to understand and work on complex, highly distributed systems, rather than making use of off-the-shelf services.
  • You demonstrate the ability to build and debug features with a broad impact, running on multiple machines.
  • You are able to own projects from beginning to end. This covers both technical design and working with others to develop needed components.
  • You have a proven track record of using AI to accelerate development, debug complex systems, and optimize code, while still owning the final outcomes.
  • You possess the ability to collaborate across functions and teams and seamlessly transition between different projects, codebases, or teams based on business priorities.
  • You can work autonomously, drive decisions and results in a distributed team by leveraging asynchronous, direct, and transparent communication.

Bonus Points:

  • Data stores
  • Search, analytics, Lucene
  • Strong knowledge of the JDK
  • Asynchronous event-driven network frameworks such as Netty.

Additional Information - We Take Care of Our People:
As a distributed company, diversity drives our identity. Whether you’re looking to launch a new career or grow an existing one, Elastic is the type of company where you can balance great work with great life. Your age is only a number. It doesn’t matter if you’re just out of college or your children are; we need you for what you can do.

We strive to have parity of benefits across regions, and while regulations differ from place to place, we believe taking care of our people is the right thing to do.

  • Competitive pay based on the work you do here and not your previous salary
  • Health coverage for you and your family in many locations
  • Ability to craft your calendar with flexible locations and schedules for many roles
  • Generous number of vacation days each year
  • Increase your impact - We match up to $2000 (or local currency equivalent) for financial donations and service
  • Up to 40 hours each year to use toward volunteer projects you love
  • Embracing parenthood with a minimum of 16 weeks of parental leave

Security & Privacy Responsibilities:
Take ownership of protecting the confidentiality, integrity, and availability of organizational data and systems by following applicable privacy and security policies, standards, and procedures. Ensure that all individual contributions follow Elastic’s Secure Software Development Framework (SSDF). Proactively participate in mandatory role-based training to ensure personal technical execution consistently aligns with the highest standards of data protection, data privacy, and system resilience.

Different people approach problems differently. We need that. Elastic is an equal opportunity employer and is committed to creating an inclusive culture that celebrates different perspectives, experiences, and backgrounds. Qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, sex, pregnancy, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, disability status, or any other basis protected by federal, state or local law, ordinance or regulation.

We welcome individuals with disabilities and strive to create an accessible and inclusive experience for all individuals. To request an accommodation during the application or the recruiting process, please email candidate_accessibility@elastic.co. We will reply to your request within 24 business hours of submission.

Applicants have rights under Federal Employment Laws and can view the following posters linked below:

Family and Medical Leave Act (FMLA) Poster

Employee Polygraph Protection Act (EPPA) Poster

Elasticsearch develops and distributes technology and information that is subject to U.S. and other countries’ export controls and licensing requirements for individuals who are located in or are nationals of the following sanctioned countries and regions: Belarus, Cuba, Iran, North Korea, Syria, or Russia, including the Ukrainian territories annexed by Russia (The Crimea region of Ukraine, The Donetsk People's Republic (DNR), The Luhansk People's Republic (LNR), Kherson or Zaporizhzhia). If you are located in or are a national of one of the listed countries or regions, an export license may be required as a condition of your employment in this role. Please note that national origin and/or nationality do not affect eligibility for employment with Elastic.

Please see here for our Privacy Statement.

Compensation for this role is in the form of base salary. This role does not have a variable compensation component.

At Elastic, our compensation philosophy aims to provide fair, competitive and transparent remuneration. Salary ranges are established based on a combination of external market benchmarks, internal pay equity considerations, and the responsibilities and complexity associated with each role. This approach helps ensure consistency across comparable roles while remaining competitive within the relevant labour markets.

The final compensation offered within the applicable range will be determined based on several objective factors, including relevant professional experience, level of skills and expertise, alignment with the role requirements, and the overall scope and complexity of the position.

The typical starting salary range for this role is:

€61.100—€96.600 EUR

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Backend Engineer

Senior Java Backend Developer - Remote Work | REF#290295

BairesDev

Удалённоfulltimesenior

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Описание вакансии

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

We’re looking for a Senior Java Backend Developer with strong Java skills and a solid background in distributed data processing. You’ve worked on systems where data moves reliably at scale — whether through streaming pipelines, batch jobs, or both — and you understand the JVM well enough to reason about performance when it matters. You’ll be contributing to open source data platform technology that leading enterprises worldwide depend on to process and manage their data.

What You’ll Do

  • Design and develop distributed data processing components in Java, with a focus on throughput, reliability, and correctness.
  • Build and maintain stream and batch processing pipelines that handle large-scale data workloads in production.
  • Apply JVM performance knowledge to optimize data processing systems under real production conditions.
  • Collaborate with platform and data engineering teams to deliver scalable, well-tested solutions.
  • Participate in code reviews and contribute to engineering standards across the data platform.
  • Investigate and resolve performance bottlenecks and reliability issues in distributed processing components.

What We Are Looking For

  • 5+ years of experience in IT roles.
  • 3+ years of experience with Java as a primary programming language.
  • Hands-on experience with distributed data processing systems.
  • Background in stream or batch processing infrastructure.
  • Solid understanding of JVM performance fundamentals.
  • Open source contribution experience is a plus.
  • Advanced proficiency in English.

How we do make your work (and your life) easier:

  • Remote Work.
  • Excellent compensation in USD or your local currency if preferred
  • Hardware and software setup for you to work from home.
  • Flexible hours: create your own schedule.
  • Paid parental leaves, vacations, and national holidays.
  • Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
  • Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!

Apply now!

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Mid+ AI / Backend Engineer

Crodu

Удалённоfulltime

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Описание вакансии

⏳ Czas projektu: długoterminowy 👈

🌴 Forma: fulltime, zdalnie 👈

⏰ Start: ASAP 👈

Cześć! 👋

Dla dynamicznie rozwijającego się startupu tworzącego nowoczesną platformę B2B AI opartą na autonomicznych agentach poszukujemy doświadczonej osoby na stanowisko
Mid+
AI / Backend Engineer
.

Platforma dostarczana przez klienta eliminuje żmudną analitykę w zespołach przedsiębiorstw dzięki elastycznej architekturze, rozwiązaniom agentycznym i zaawansowanym przepływom pracy. W tej roli dołączysz do zespołu programistycznego, gdzie będziesz mieć realny wpływ na architekturę systemów trafiających bezpośrednio na produkcję,tworząc i skalując infrastrukturę backendową oraz systemy sztucznej inteligencji.

Szukamy osoby, która nie jest jeszcze seniorem, ale niewiele jej brakuje do tego poziomu. Klientowi zależy, żeby podjąć współpracę z osobą samodzielną, która dostaje dobrze opisane zadanie i dowozi je bez prowadzenia za rękę.

Codzienne zadania
📍 Tworzenie i rozwój skalowalnych usług backendowych (Python, FastAPI) napędzających platformę AI.

📍 Budowa i optymalizacja potoków RAG, systemów agentów AI oraz orkiestracja modeli LLM na produkcji.

📍 Wsparcie w tworzeniu infrastruktury chmurowej (AWS / Azure), w tym izolacją wieloabonencką (multi-tenant) i funkcjami serverless.

📍 Tworzenie elastycznego ekosystemu integracji sterowanego przez API oraz zewnętrzne konektory.

📍 Prowadzenie przeglądów kodu (code reviews), dbanie o standardy testowania i mentoring młodszych inżynierów.

📍 Dbanie o bezpieczeństwo systemu (JWT, OAuth2, RBAC, ochrona przed prompt injection).

Wymagania
⚡️ 3-5 lat doświadczenia komercyjnego w backend engineeringu z wykorzystaniem Pythona.

⚡️ Bardzo dobra znajomość frameworka FastAPI (async, Pydantic, dependency injection).

⚡️ Doświadczenie w pracy z PostgreSQL (projektowanie schematów, optymalizacja zapytań, migracje z Alembic).

⚡️ Doświadczenie z systemami AI (LLM, RAG) -> tool calling, function calling, multi-step reasoning, MCP / Model Context Protocol

⚡️ Wiedza z zakresu chmury: AWS (Lambda, S3, ECS, API Gateway) i/lub Azure.

⚡️ Znajomość Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI) oraz IaC (Terraform / AWS CDK).

⚡️ Doświadczenie produkcyjne w integracji API modeli LLM (OpenAI, Anthropic Claude, Google Gemini).

⚡️ Bardzo dobra znajomość języka angielskiego w mowie i piśmie.

**Mile widziane

⚡️**
Znajomość TypeScriptu (zaawansowany system typów: generics, utility types, conditional types).

⚡️ Praktyczna znajomość Celery oraz asynchronicznego przetwarzania zadań (Redis / RabbitMQ).

⚡️ Doświadczenie z GraphRAG oraz grafowymi bazami danych (Neo4j).

⚡️ Praktyka w serwowaniu modeli LLM on-premise (vLLM, TGI, TensorRT-LLM) oraz znajomość technik fine-tuningu (LoRA/QLoRA).

⚡️ Znajomość Pulumi, gRPC lub GraphQL.

Jak aplikować?

👉 Wyślij nam swoje zgłoszenie w formularzu!

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Especialista Integración y APIS (IBM App Connect Enterprise (ACE))

Towa Software

Удалённоfulltime

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Описание вакансии

ESPECIALISTA SENIOR DE INTEGRACIÓN Y APIs
🏢
Modalidad:
Home Office

Sobre la posición
Buscamos un
Especialista Senior de Integración y APIs
para fortalecer nuestro equipo de integración empresarial.

La persona será responsable de diseñar, desarrollar y mantener soluciones de integración entre diferentes sistemas y plataformas, utilizando
IBM App Connect Enterprise (ACE)
como una de las principales tecnologías del entorno.

Buscamos un perfil técnico con experiencia comprobable en
integración empresarial, APIs, microservicios y plataformas de middleware
, capaz de participar en el diseño de soluciones robustas, seguras y escalables.

Responsabilidades

  • Diseñar, desarrollar y mantener soluciones de integración utilizando IBM App Connect Enterprise (ACE).
  • Desarrollar e implementar APIs y servicios empresariales para la integración de aplicaciones y sistemas.

Requisitos indispensables

  • Experiencia comprobable con IBM App Connect Enterprise (ACE).
  • Experiencia sólida en integración de sistemas empresariales.
  • Experiencia en diseño y desarrollo de APIs REST y/o SOAP.
  • Experiencia con microservicios y servicios empresariales.

Será un plus si cuentas con

  • Experiencia con AWS o Google Cloud Platform (GCP).
  • Experiencia con API Management / API Gateway.
  • Conocimientos de API Governance.

💰 Oferta
Sueldo competitivo acorde con experiencia y conocimientos técnicos.
Esquema nominal con prestaciones de ley y beneficios internos.
¿Te interesa?
Postúlate enviando tu CV para participar en nuestro proceso de selección. Recuerda que es importante que se mencione en tu CV la experiencia en los requisitos al menos indispensables.

  • Se podría requerir documentación personal en alguna parte del proceso de reclutamiento y selección-

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Concepteur Développeur Sénior - Tech Lead Java/Angular (H/F/N)

OPEN

Удалённоother

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Описание вакансии

Contexte de la mission
Nous sommes une entreprise incontournable sur les marchés IDF, avec une forte présence dans les secteurs Public, Bancaire, Industrie, Télécoms, Transport et Énergie.

L’équipe parisienne Application Services compte près de 1500 collaborateurs. Nous accompagnons nos clients, de bout en bout, sur leurs projets applicatifs, notamment sur les stacks technologiques DevOps, Data, Cloud et Modern Workplace.

Venez renforcer nos équipes !

Nous recrutons un Concepteur Développeur Sénior / Tech Lead JAVA Confirmé H/F avec idéalement une expérience en Banque ou en Assurance, qui nous apportera son bagage technique et sa vision nouvelle.

Vous aurez la possibilité d'intervenir sur des missions en régie dans un contexte Agile.

Ce qui vous attend

  • Concevoir et implémenter des modules à développer dans le respect de l’architecture posée
  • Réaliser ou participer à la conception technique générale du système
  • Développer, suivre et contrôler la fiabilité des développements
  • Être le relais des Responsables Techniques dans la montée en compétences des développeurs et force de proposition sur les choix de technologie et d’outils sur les projets
  • Remonter les alertes au plus tôt
  • Mettre en production, industrialiser et intégrer
  • Assurer la maintenance et le support technique
  • Participer à la réalisation de différentes études (analyse d’impact, études préalables, d’opportunité, de faisabilité techniques) et estimer les charges de travail pour les développements (chiffrages notamment)
  • Être référent technique sur tout ou partie de l’application en fonction de l’expérience acquise

Vous êtes fait(e) pour ce poste si

  • Vous justifiez d'une expérience de 6 ans minimum sur la fonction de Concepteur Développeur Sénior / Tech Lead JAVA, idéalement dans le domaine de la Banque de détail ou de l’Assurance
  • Vous avez déjà travaillé dans un environnement Agile ainsi que sur ses outils (JAVA / ANGULAR / REACT / Hibernate / Spring / SpringMVC / Web API / JavaScript / HTML / CSS / PostGreSQL / SQL Server)
  • La maîtrise de l’anglais et la pratique de l’Agilité seront de véritables atouts

Votre envie, votre bonne humeur, votre capacité relationnelle et votre rigueur sont à la hauteur de votre dynamisme. Vous souhaitez vous projeter dans une nouvelle aventure, au sein d'une structure forte, et intégrer une équipe d'architectes et de référents techniques.

Au-delà de la mission, vous pourrez

  • Intervenir sur différentes missions dans des secteurs d'activités variés (Énergie, Transport, Télécoms, Médias, Automobile)
  • Rejoindre nos Practices Technologiques, notre programme interne de communautés d'experts sur des technologies émergentes (Modern Workplace, Data, Cloud, DevOps...)
  • Continuer à grandir techniquement via un suivi de carrière personnalisé, un accès aux formations et aux certifications (Azure, AWS, etc.)

Poste en CDI à pourvoir dès que possible

Notre process de recrutement
Un bref échange téléphonique

Une première rencontre avec un chargé de recrutement et un ressources manager pour parler de vous, de vos aspirations professionnelles et vous présenter Open

Un deuxième échange avec un interlocuteur de l’équipe technique

Vous serez accompagné(e) par le chargé de recrutement qui vous fera un retour complet et franc tout au long du process.

Après vous avoir souhaité la bienvenue, vous bénéficierez d’un parcours d’intégration sur mesure.

Pourquoi nous rejoindre ?
Ce sont nos Ambassadeurs qui en parlent le mieux, découvrez leurs témoignages sans filtre :

https://www.welcometothejungle.com/fr/companies/open

Code REC : MEL25329

Et vous, qu’attendez-vous pour être Open ?

#RecrutezNous #AllezVientOnEstBien

Qu’attendez-vous pour être Open ?

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Senior Java Engineer - Distributed Systems, Serverless - ElasticsearchElastic

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