146 Ofertas de Java Engineer en Costa Rica

We are seeking an accomplished Senior Back End Java Engineer with deep expertise in building and scaling high-performance, cloud-native applications on AWS. In this role, you will be a key contributor to our Client's engineering team, responsible for designing, developing, and deploying robust, scalable, and reliable server-side solutions.

The ideal candidate is a passionate technologist with a strong foundation in Java, extensive experience with the AWS ecosystem, and a commitment to engineering excellence. You will tackle complex technical challenges and play a significant role in the architectural decisions that shape our platform.

About First Factory

We are a software development company with over two decades of experience, boasting a dynamic team of 180+ professionals actively engaged in diverse projects across various industries. We invite you to join us on this journey as we thrive and embrace fresh challenges.

Key Responsibilities

• Design, develop, and maintain high-performance, scalable back-end services and APIs using Java.
• Architect and implement cloud-native solutions leveraging a wide range of AWS services (e.g., EC2, S3, Lambda, RDS, DynamoDB, SQS).
• Write clean, maintainable, and thoroughly tested code, adhering to best practices and coding standards.
• Collaborate with front-end developers, product managers, and other engineers to deliver cohesive and feature-rich products.
• Lead technical design discussions and contribute to architectural decisions for new and existing systems.
• Optimize applications for performance, scalability, and reliability.
• Implement and manage CI/CD pipelines to automate the build, test, and deployment processes.
• Mentor junior engineers and contribute to a culture of technical excellence and continuous improvement.

Requirements

• 8+ years of professional software development experience with a primary focus on back-end Java development.
• Extensive hands-on experience with the AWS cloud platform and its core services.
• Proven experience designing and building RESTful APIs and microservices architectures.
• Strong proficiency with the Spring Framework, particularly Spring Boot.
• Solid understanding of both relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., DynamoDB, MongoDB) databases.
• Experience with containerization technologies such as Docker and container orchestration with Kubernetes.
• Excellent problem-solving skills and the ability to work independently in a remote environment.

Nice to have

• AWS Certified Developer or Solutions Architect certification.
• Experience with messaging queue systems like AWS SQS, Kafka, or RabbitMQ.
• Familiarity with Infrastructure as Code (IaC) tools like Terraform or AWS
• Cloud Formation.
• Experience with performance monitoring and observability tools (e.g., Prometheus, Grafana, Datadog).
• Knowledge of event-driven architecture and serverless computing (AWS Lambda).

Role: Java Software Engineer

Experience:
3+ years

Work location:
Costa Rica

English Required:
B2+ - C1

Job Description:

A Backend Engineer at our company is responsible for designing, developing, and maintaining the core components of our software systems. The ideal candidate will have a deep understanding of Java language constructs and strong software design skills, with a deep understanding of object-oriented programming fundamentals and design patterns. You will be responsible for developing high-performance, threaded applications and will have excellent technical problem-solving and debugging skills.

Responsibilities:

• Deliver on near-term technology strategies and support the long-term technological roadmap.

• Design and implement robust, scalable, and efficient backend systems using Java.

• Develop and maintain REST and SOAP based web services.

• Utilize AWS Cognito for user management and authentication.

• Create and manage API endpoints to facilitate seamless data exchange.

• Integrate with RabbitMQ for message queuing and event-driven architectures.

• Utilize AWS Lambda for serverless computing to handle event-driven workloads.

• Collaborate with cross-functional teams to ensure alignment with project goals and deliverables.
• Participate in code reviews and provide constructive feedback to improve code quality.

• Troubleshoot and resolve technical issues to ensure smooth operation of the backend systems.

Requirements:

• Minimum of 3 years of experience as a Backend Engineer

• Deep understanding of Java language constructs

• Strong software design skills with a deep understanding of object-oriented programming fundamentals and design patterns

• Experience with high-performance, threaded applications

• Experience with REST and SOAP based web services

• Experience with APIs endpoint

• Experience with RabbitMQ

Good to have:

• Experience with AWS, SSO, SAML, and BYOK.

Note: This job description is intended to provide a general overview of the position and does not encompass all tasks or responsibilities that may be assigned.

For more information visit

About Persistent

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what's next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor's mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named
the fastest-growing Indian IT services brand in the "Brand Finance India 100" 2025 report
. We were also cited as a Leader in the ISG Provider Lens 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix Assessment 2025.

Senior Software Engineer – Backend (Java/Python | Cloud | AI Tools)

Location:
San Jose

Employment Type:
Full-time

Experience:
3+ years

About the Role

We are looking for a
highly skilled and self-driven Senior Software Engineer
with deep expertise in
Java, Spring Boot, Python
, and modern cloud-native development. You'll be part of a fast-paced, agile team building scalable, enterprise-grade platforms and services. If you're passionate about microservices, DevOps, and AI-assisted development, we want to hear from you

Key Responsibilities

• Design, develop, and deploy scalable microservices using Java (Spring Boot) and Python.
• Build and maintain RESTful APIs and integrate with cloud-native services (AWS, Azure, or GCP).
• Implement caching, messaging, and containerization using Redis, Kafka, Docker, and Kubernetes.
• Collaborate with cross-functional teams including Product Managers, Architects, and Analysts.
• Participate in Agile ceremonies and contribute to sprint planning, reviews, and retrospectives.
• Drive end-to-end development with a focus on performance, security, and scalability.
• Leverage AI coding assistants (e.g., GitHub Copilot, Cursor, Continue) to enhance productivity.
• Contribute to CI/CD pipelines and DevOps practices for seamless delivery.
• Ensure code quality through peer reviews and maintain a high standard of documentation.
• Target 3–5 meaningful commits per day and 10+ story points per sprint.

Required Skills

• Strong experience with
  Java (Spring Boot, Spring MVC)
  and
  Python
  .
• Proficiency in
  Docker
  ,
  Kubernetes
  , and
  cloud platforms
  (AWS, Azure, GCP).
• Hands-on with
  Redis
  ,
  Memcached
  , or
  Hazelcast
  for caching.
• Experience with
  Apache Kafka
  or similar messaging systems.
• Solid understanding of
  SQL (Postgres, MySQL, MS SQL)
  and
  NoSQL
  databases.
• Familiarity with
  CI/CD tools
  ,
  Git
  , and
  JIRA
  .
• Exposure to
  AI tools
  (GitHub Copilot, Aider, LangChain, etc.) and basic understanding of
  LLMs
  .
• Excellent problem-solving and communication skills.

Qualifications

• Good to have bachelor's or master's degree in computer science, Engineering, or related field.
• Minimum 5 years of relevant software development experience.
• Strong track record of delivering high-quality software in agile environments.

Inclusive Environment:

Persistent Ltd. is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We offer hybrid work options and flexible working hours to accommodate various needs and preferences.
• Our office is equipped with accessible facilities, including adjustable workstations, ergonomic chairs, and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment. We are committed to creating an inclusive environment where all employees can thrive.

Our company fosters a values-driven and people-centric work environment that enables our employees to:

• Accelerate growth, both professionally and personally
• Impact the world in powerful, positive ways, using the latest technologies
• Enjoy collaborative innovation, with diversity and work-life wellbeing at the core
• Unlock global opportunities to work and learn with the industry's best

Let's unleash your full potential at Persistent

"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."

HNM Systems is the leading tech-enabled professional services provider, shaping the workforce across the telecom, energy, and technology sectors. We connect top specialized talent with direct hire, contract-to-hire, and consulting opportunities that drive fiber expansion, digital infrastructure, wireless networks, and smart grid energy solutions. Our innovative approach delivers high-impact workforce development and consulting outcomes, with a 94% success rate in talent placement and project execution. Relentlessly people-driven, HNM Systems sets the industry standard through an unwavering commitment to exceptional employee experience—establishing a trusted "home base" for our consultants and long-term value for our clients.

Senior Java Developer (AWS Cloud, API & CI/CD)

What you'll do:

• Design, develop, and maintain Java-based applications and services with a strong focus on high-quality code.
• Architect and implement scalable microservices and RESTful APIs deployed in AWS using modern CI/CD pipelines.
• Contribute to all phases of the development lifecycle, from planning and requirements to testing and deployment.
• Collaborate with distributed development teams to deliver cloud-native solutions aligned with business goals.
• Support Agile development processes and participate in sprint planning, code reviews, and stand-ups.
• Mentor junior developers by sharing best practices for Java development, API design, testing, and AWS cloud deployment.
• Ensure application performance, reliability, and maintainability in a cloud environment.

Experience and Skills

• What you'll bring:8+ years of professional experience with Java development and object-oriented programming.
• Solid understanding of asynchronous programming in Java.
• 3–4 years of experience deploying and managing Java-based applications on AWS cloud.
• Proficiency with AWS services including but not limited to EC2, Lambda, ECS or EKS, S3, and API Gateway.
• Strong hands-on experience building and integrating RESTful APIs.
• Experience building and deploying microservices in AWS.
• Experience setting up and managing CI/CD pipelines using tools like Jenkins, GitLab CI/CD, AWS CodePipeline, or similar.
• Familiarity with writing unit and integration tests for Java applications.
• Comfortable participating in code reviews and applying clean code principles.
• Bachelor's degree in Computer Science, Information Technology, or related field.
• Nice to have: Experience with MuleSoft for API integration and management.

EOE: The above statements are intended to describe the general nature and level of work being performed by the incumbent(s) of this job. They are not intended to be an exhaustive list of all responsibilities and activities required of the position. This job description is subject to revision, and it may be updated to reflect changes in the role or organization.

HNM Systems utilizes legally permissible drug and background checks as part of our screening process. Essential requirements of the position include eligibility to work for any U.S. employer without sponsorship now or in the future.

It is the policy of HNM Systems, Inc., to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information and/or marital status. HNM Systems, Inc is compliant with the Fair Chance Ordinance as applicable and will consider all qualified applications for employment.

Excel Nearshore
is seeking an experienced
Lead Java Software Engineer
to join the technology team of a leading U.S.-based digital marketing solutions provider for the legal industry. In this role, you will lead the design and delivery of critical public-facing and internal applications, collaborating with cross-functional teams in an agile environment. You will play a key role in building scalable and high-performance software systems using industry leading tools and technologies like AI and Kubernetes, contributing to innovative solutions that help professional service firms grow their businesses and improve customer experiences. This is a fully remote and full-time position from Costa Rica, in payroll with benefits.

Key Responsibilities

• Collaborate with others efficiently and effectively to accomplish tasks on the desired timeline.
• Learn and apply new business and technical concepts quickly.
• Provide technical leadership to the team, ensuring design and architecture are aligned with the client's strategy, standards, and best practices.
• Participate in all aspects of the agile process from story creation through release.
• Design, develop, test, and deliver application features that delight customers.
• Contribute non-functional requirements to projects to achieve long term application health and stability.
• Understand and apply current secure development practices.
• Maintain an understanding of industry trends and use this knowledge to bring new innovative ideas to the group.
• Support Production applications as needed to prevent service interruptions and maintain a high level of quality for our customers.
• Communicate effectively in written and verbal form with colleagues and vendor representatives.
• Mentor junior engineers to sustain a high level of development standards.
• Effectively manage your priorities and time.
• Present technical concepts and proposals with business and technical audiences in a way that resonates with them.
• Tackle the largest technical challenges facing the team.

Requirements

• Bachelor's degree in architecture, engineering, computer science, or a related field.
• Minimum 7 years in a technical development role.
• 5+ years' experience developing enterprise Java applications using Spring, with unit tests.
• Experience designing, delivering, and maintaining RESTful services.
• Experience with cloud services from AWS or Azure.
• Experience with messaging services like SQS, IBM MQ, RabbitMQ, or similar.
• Experience managing efficient database connections and transactions in Java.
• Experience writing and executing complex SQL.
• Previously delivered major application features used in Production.
• Strong passion for technology and a willingness to learn and apply new skills.
• Proven design skills with significant knowledge of core libraries and common design patterns.
• Ability to follow standards that produce clean code that is easy to understand.
• Understanding of security testing practices and methodologies.
• Customer-first approach to software development.
• Able to work independently with minimal direction to meet commitments.
• Strong focus on system performance, scalability with the ability to troubleshoot in
• large and complex software systems.
• Ability to multitask in a fast-paced environment.
• Inclination towards automation, unit tests, integration tests, and adopting agile
• practices.
• Hands-on experience with security vulnerability scanning tools (Snyk, Qualys)

Senior Full Stack Developer (Java/Vue)

Gorilla Logic is looking for a passionate senior-level backend Software Engineer to think critically, collaborate with product managers, architects, and QA to build and release software solutions. The successful candidate will be able to build high- quality, innovative, and fully performing software in compliance with coding and technical design standards. You will be working on a variety of projects that have a direct impact on our mission and will be involved in all aspects of the development lifecycle from design to deployment.

Responsibilities

• Demonstrate 5-10 years of experience in backend system development building APIs and data integration systems.
• Exhibit a solid understanding of Java and Spring Boot, micro-services, and inter-service communication using technologies like Kafka and RabbitMQ.
• Write well designed, testable, efficient, and documented code.
• Integrate disparate software components into a fully functional software system.
• Develop software verification plans and follow quality assurance procedures.
• Translate architectural diagrams and documentation into backend code.
• Develop functional applications, databases, and data flows to support product capabilities.
• Design and develop secure, performant RESTful services and APIs.
• Ensure that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability are being considered when developing solutions.
• Tailor and deploy software tools, processes and metrics.
• Become a subject matter expert and share knowledge with team members.

Tech Stack: Java 11/17, Spring Boot 2/3, Kafka/RabbitMQ, Postgres and other relational databases

Technical Requirements

• Strong knowledge of relational databases and SQL.
• Strong collaboration, prioritization, and adaptability skills required.
• Experience with Amazon Web Services (AWS).
• Experience with Git or other version control systems.
• Experience working with multi-site and/or offshore teams or team members.
• Experience integrating systems, libraries, components, and data.
• Understanding of Agile software development concepts and processes.
• Understanding of the eventual data consistency model.
• Passionate about writing clean, well-organized, and production-ready code

Bonus Skills

• Experience using Docker and Test Containers for local development.
• Experience with Test-Driven Development (TDD)
• Experience with Continuous Integration/Continuous Deployment (CICD)

Meet the Team
This Cisco team drives all Lifecycle processes and systems that are anchored on delivering the best customer and partner experience including Market-to-Lead, Lead-to-Opportunity, Opportunity-to-Booking, Order-to-Cash, Onboard-to-Optimize, Escalate-to-Resolve, Renew-to-Booking, and Support-to-Advocacy. We offer a unique opportunity for dedicated, passionate, and highly creative technical engineers to have a wide-ranging impact on our development activities.

Your Impact
Performs IT functions such as design, analysis, evaluation, testing, debugging, and implementation of application programs. This role offers the opportunity to significantly contribute to delivering the best customer and partner experience by building scalable and robust technical solutions.

• Implement scalable backend services using Java/Python and PostgreSQL, ensuring high software development standards.
• Develop robust database schemas and optimize complex SQL queries, functions, and stored procedures within PostgreSQL working with technical team.
• Work with Kafka, Kafka Streams, and Kafka connectors for data streaming.
• Integrate AI-driven features into applications and workflows, using Python libraries and frameworks.
• Collaborate with multi-functional teams including product owners, data scientists, QA engineers, and DevOps to deliver end-to-end solutions.
• Conduct design/code reviews, and follow standard methodologies across AI, backend development, and database integration.
• Solve and resolve complex technical issues across application and data layers working with technical team.
• Drive continuous improvements by staying updated on the latest advancements in AI/ML, Python, PostgreSQL and modern data engineering practices.

Minimum Qualifications

• 3-5+ years of professional experience in software development.
• Proficiency in Python, Java, AI technologies, PostgreSQL, GraphQL, and Kafka.
• Ability to work with engineering/testing teams in multiple time zones.
• Experience working in an Agile development team setting.
• English language fluent

Preferred Qualifications

• Experience with Salesforce development integrating applications with Salesforce via APIs and exposure to MuleSoft.
• Strong problem-solving skills and the ability to work in a fast-paced environment.
• Excellent communication and collaboration skills.
• A passion for innovation and a commitment to delivering exceptional results.

At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Simply put – we power the future.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.

Software Engineer

At Trax Technologies, we help move the world's products. We revolutionize the logistics industry with our cutting-edge cloud-based solutions. By automating and streamlining freight invoice audit and payment processing, we empower both buyers and sellers of logistics services to transcend traditional boundaries. Our platform isn't just a tool—it's a catalyst for supply chain optimization. By providing unparalleled visibility into the intricate web of logistics operations and leveraging predictive analytics fueled by a staggering database of over 1 billion transactions spanning industries, modes, and nations, we redefine what's possible in logistics management.

We operate on a global canvas, Trax boasts a widespread presence, with offices strategically located in the U.S., Latin America, Asia, and Europe. Join us in reshaping the future of logistics, where innovation knows no bounds and opportunities are limitless.

Key Job Responsibilities

Join us in crafting and constructing revolutionary services that form the bedrock of the world's supply chain. As a Trax Engineer, you will:

• Tackle critical customer challenges that traverse various technologies and teams, delving deep into technical complexities such as scalability, resilience, and adaptability to craft holistic solutions.
• Deliver high-quality engineering work— you set a high bar for engineering designs, code, tests, or monitoring—and set the standard for excellence within the team.
• Navigate the terrain of technology decisions with finesse, navigating the balance between immediate business needs and long-term goals, ensuring our solutions remain ahead of the curve.
• Collaborate closely with diverse teams, synergizing efforts to reach ambitious technical milestones.
• Above all, revel in the journey—work diligently, enjoy the camaraderie, and together, let's etch our mark on how the world moves products.

Basic Qualifications

• 5+ years of non-internship professional software development experience.
• 3+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience.
• Experience programming with at least one software programming language.

Preferred Qualifications

• Bachelor's degree (or greater) in Computer Science, Software Engineering, or related field.
• 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience.
• Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Ability to take a project from scoping requirements through actual launch of the project Experience in communicating with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
• Hands-on experience with back-end technologies such as Oracle and PostgreSQL databases, including database design, SQL querying, and performance tuning.
• Familiarity with front-end technologies such as HTML, CSS, JavaScript, and frameworks like Angular.
• Proficiency in web application development frameworks such as Spring Boot, Hibernate, or similar.