Senior Java Developer

Espeo Software

Senior Java Developer at Espeo Software, designing and developing backend services. Leveraging Java 17+, Spring Boot for innovative fintech solutions with a focus on cloud readiness.

Posted 7/17/2026full-timeRemote • 🇵🇱 PolandSenior💰 PLN 120 - PLN 150 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in designing and developing backend services using Java 17+ and Spring Boot, with a strong focus on building scalable distributed systems and ensuring cloud-readiness in AWS environments. Demonstrates expertise in troubleshooting, debugging, and applying TDD principles to deliver high-quality, maintainable code.

Highest-signal resume keywords

Java 17+Spring BootApache KafkaPostgreSQLAWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI DevelopmentRESTSOAPWebSocketTDDTroubleshootingDebuggingDistributed SystemsScalable Systems

Soft Skills

Problem-SolvingCommunicationTeamwork

Industry Keywords

Cloud-ReadinessDistributed SystemsRelational Databases

Tech Stack

Tools & technologies

ApacheAWSCloudDistributed SystemsJavaKafkaPostgresSOAPSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Designing and developing backend services using Java 17+ and Spring Boot.
Building and maintaining scalable, distributed systems based on Apache Kafka.
Integrating applications with PostgreSQL databases.
Ensuring cloud-readiness and deploying services in AWS.
Troubleshooting and debugging issues in distributed environments.
Writing clean, testable code using TDD principles.
Collaborating with cross-functional teams to define, design, and deliver new features.

Requirements

What you’ll need

Solid hands-on experience with Java 17+ and the Spring Boot framework.
Good understanding of Apache Kafka and its use in distributed systems.
Experience working with PostgreSQL or other relational databases.
Creating and maintaining APIs using REST and SOAP.
Implementing real-time communication using WebSocket.
Familiarity with AWS and deploying applications in a cloud environment.
Ability to debug and troubleshoot complex issues in distributed systems.
Understanding of and experience with TDD practices.
Strong problem-solving skills and the ability to work independently.
Good communication skills and a proactive approach to teamwork.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Espeo Software Website LinkedIn All Job Openings 51 - 200 employees Founded 2008 💸 Finance ☁️ SaaS Finance
Blockchain
SaaS Espeo Software is a boutique consultancy specializing in Financial Technology, offering custom software development and technology consulting services. With an in-house team of experts, Espeo assists clients in designing solutions and product strategies to stay competitive in the finance industry. The company is a certified Hyperledger Fabric service provider, highlighting its expertise in blockchain technology. Espeo Software provides services in finance tech, blockchain development, and mobile app solutions, building a solid network of consulting partners in Finance & Banking globally. Senior Java Developer Job not on LinkedIn 🔥 2 hours ago 🇵🇱 Poland – Remote 💵 zł120 - zł150 / hour ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Apache AWS Cloud Distributed Systems Java Kafka Postgres SOAP Spring Spring Boot SpringBoot Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Designing and developing backend services using Java 17+ and Spring Boot.
Building and maintaining scalable, distributed systems based on Apache Kafka.
Integrating applications with PostgreSQL databases.
Ensuring cloud-readiness and deploying services in AWS.
Troubleshooting and debugging issues in distributed environments.
Writing clean, testable code using TDD principles.
Collaborating with cross-functional teams to define, design, and deliver new features. 🎯 Requirements
Solid hands-on experience with Java 17+ and the Spring Boot framework.
Good understanding of Apache Kafka and its use in distributed systems.
Experience working with PostgreSQL or other relational databases.
Creating and maintaining APIs using REST and SOAP.
Implementing real-time communication using WebSocket.
Familiarity with AWS and deploying applications in a cloud environment.
Ability to debug and troubleshoot complex issues in distributed systems.
Understanding of and experience with TDD practices.
Strong problem-solving skills and the ability to work independently.
Good communication skills and a proactive approach to teamwork. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior Java Developer – Freelance 🔥 5 hours ago Netguru 501 - 1000 ☁️ SaaS 🏢 Enterprise 🤝 B2B Website LinkedIn All Job Openings Freelance Senior Java Developer for Netguru, working on B2B solutions and modernizing marketplaces. Enjoy remote work with flexibility and the option for full-time collaboration. 🇵🇱 Poland – Remote 💵 €25 - €38 / hour ⏰ Full Time 🟠 Senior 🔙 Backend Engineer AWS Java MS SQL Server Oracle RabbitMQ SQL Senior Fullstack Engineer – Angular, Node.js, Typescript 🔥 5 hours ago Netguru 501 - 1000 ☁️ SaaS 🏢 Enterprise 🤝 B2B Website LinkedIn All Job Openings Senior Fullstack Engineer (Angular + Node.js + Typescript) at Netguru. Work remotely as a freelancer, choosing projects that fit your skills. 🇵🇱 Poland – Remote 💵 €25 - €39 / hour ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Angular AWS ElasticSearch Node.js RabbitMQ TypeScript Senior .Net Developer 🔥 23 hours ago Ocean Technologies Group 201 - 500 🛍️ eCommerce 📚 Education 🚗 Transport Website LinkedIn All Job Openings Senior .Net Developer developing software applications for maritime digital solutions. Collaborating with a remote team to enhance OneOcean’s product offerings and support users globally. 🇵🇱 Poland – Remote 💰 Venture Round on 2015-05 ⏰ Full Time 🟠 Senior 🔙 Backend Engineer AWS Azure Cloud Docker GraphQL Microservices MongoDB MS SQL Server NoSQL SQL .NET PHP Developer 🕒 Yesterday Oxylabs.io 201 - 500 🔌 API 🔒 Cybersecurity 🛍️ eCommerce Website LinkedIn All Job Openings PHP Developer solving complex challenges and maintaining web data scraping infrastructure. Working for a team developing solutions for Fortune 500 companies and global businesses. 🇵🇱 Poland – Remote 💵 zł19k - zł24k / month ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Docker MariaDB MySQL PHP Postgres Symfony Senior Software Engineer, Back-end – Repayment Scheduling 🕒 Yesterday Affirm 1001 - 5000 💳 Fintech 👥 B2C 🛍️ eCommerce Website LinkedIn All Job Openings Senior Software Engineer designing and developing backend systems at Affirm, focusing on payment automation and financial impact for users. 🇵🇱 Poland – Remote 💵 zł308k - zł428k / year 💰 Post-IPO Equity on 2021-01 ⏰ Full Time 🟠 Senior 🔙 Backend Engineer AWS Distributed Systems Kotlin Kubernetes MySQL Python View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs