Jobs Java

Numerical Technologies LTD is a leading provider of custom software solutions and services specializing in risk, limits, and regulatory capital. Right now, we are looking for a Java Developer to join our team.

What you will be doing:

As part of the team, you will be participating in a project for a major US financial holding company.  You will develop, maintain, and support software features, write scalable and fault-tolerant Java code, debug applications, and integrate with internal and third-party services. You will collaborate with the product team to meet requirements and ensure code quality through testing, code reviews, and system design.

Project: Modernization of a monolithic system into a microservices architecture. Java services provide authentication, logging, and data management. Python services handle core computational logic.

What we’re looking for:

• 5+ years of experience in Java development, preferably in FinTech.
• Strong experience with Java and Spring Framework.
• Solid understanding of microservices architecture and design patterns.
• Proficient in SQL (Oracle, PostgreSQL).
• Experience with AWS.
• Python knowledge is a plus.
• Ability to test your own code to ensure quality.
• Capable of working autonomously and independently. 
• University diploma (Bachelor’s degree or above) required.
• Excellent communication and collaboration skills in an international environment.
• Upper-intermediate English level or higher.

What we offer:

• Competitive compensation depending on experience and skills.
• Regular assessments and salary reviews.
• Paid personal days.
• Mental health support program.
• Partial gym compensation.
• Language classes.
• Flexible working schedule.

Numerical Technologies LTD is a leading provider of custom software solutions and services specializing in risk, limits, and regulatory capital. Right now, we are looking for a Java Developer to join our team.

What you will be doing:

As part of the team, you will be participating in a project for a major US financial holding company.  You will develop, maintain, and support software features, write scalable and fault-tolerant Java code, debug applications, and integrate with internal and third-party services. You will collaborate with the product team to meet requirements and ensure code quality through testing, code reviews, and system design.

Project: Modernization of a monolithic system into a microservices architecture. Java services provide authentication, logging, and data management. Python services handle core computational logic.

What we’re looking for:

• 5+ years of experience in Java development, preferably in FinTech.
• Strong experience with Java and Spring Framework.
• Solid understanding of microservices architecture and design patterns.
• Proficient in SQL (Oracle, PostgreSQL).
• Experience with AWS.
• Python knowledge is a plus.
• Ability to test your own code to ensure quality.
• Capable of working autonomously and independently. 
• University diploma (Bachelor’s degree or above) required.
• Excellent communication and collaboration skills in an international environment.
• Upper-intermediate English level or higher.

What we offer:

• Competitive compensation depending on experience and skills.
• Regular assessments and salary reviews.
• Paid personal days.
• Mental health support program.
• Partial gym compensation.
• Language classes.
• Flexible working schedule.

Our Client is a leading global financial markets infrastructure and data provider. Their purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

With capabilities in data, indices and analytics, capital formation, trade execution, clearing and risk management, they operate at the heart of the world's financial ecosystem and enable the sustainable growth and stability of their customers and their communities.

We are seeking a highly motivated Software Engineer with hands-on experience in development and Cloud platform to join our team where your experience will make a significant impact on the world's leading financial markets infrastructure!

• Responsibilities:

  • Be responsible for the whole software process, including design, planning, coding, automated unit testing and CI/CD and deployment process.
  • Break down sophisticated problems into its essentials, design and implement features.
  • Build well-structured and maintainable code.
  • Participate in code review to ensure code quality and standard methodologies.
  • Act as an agile developer, flexible to play multiple roles in the team.
  • Be flexible to learn new technologies as required by the project and find opportunities for improvements.
  • Lead in identifying and solving software defects and issues.
  • Actively participate in project planning sessions with team members to analyze requirements and estimates of work.
  • Supply the documentation of software solutions.

• Mandatory Skills Description:

  • 5+ years of proven experience as a Senior Software Engineer with extensive experience in software development..
  • Expertise in Java (v11, v18). Strong understanding of object-oriented principles
  • Experience in OpenJDK (v18), Debian.
  • Experience in building Cloud Native application, preferably Amazon AWS or Microsoft Azure
  • Experience working with Relational databases and caching technologies like Redis
  • Expertise in version control software such as GIT etc.
  • Familiar with CI/CD like GitHub, GitLab, DevSecOps etc.
  • Strong technical foundation with expertise in backend technologies
  • Basic knowledge of frontend development technologies (JavaScript, HTML, CSS etc.)

• One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
  Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
  Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
  Work supposes close cooperation with Customer team located in Houston and following Agile principles.
  Our team is senior, supportive and friendly.

• Responsibilities:

  • Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software
  solutions.
  • Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization (e.g., seismic, horizon,
  fault, velocity model, etc.)
  • Present architectural designs and technical proposals to the architecture review board.
  • Ability to break down development tasks and lay out clear implementation roadmaps.
  • Implement and optimize computation algorithms
  • Design and develop both thin and thick client applications that interact with cloud-based microservices.
  • Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools
  • Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.
  • Mentor junior developers and actively contribute to architectural and implementation decisions.
  • Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint
  • Stay current with emerging technologies and trends in geophysical computing and software development.

• Mandatory Skills Description:

  6+ years of hands-on Java development experience
  Strong Java Core knowledge
  Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP
  Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones
  Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries
  Solid knowledge of design patterns and software architecture principles
  Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions
  Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)
  Stable career trajectory, no fragmented job history with short tenures

• Nice-to-Have Skills Description:

  C++ development skills
  Practical experience with the Eclipse RCP framework
  OSGi knowledge
  Oil & Gas domain experience

• Languages:
  • English: B2 Upper Intermediate

About Us: InnovatelU is a dynamic tech company delivering cutting-edge solutions. We're looking for a passionate Java Developer to join our team. If you have a solid Java foundation, are eager to grow, and learn quickly, we want to hear from you! 

Requirements: 
- Strong knowledge of Java 
- Knowledge of Spring (Spring Core, Spring AOP, Spring MVC, Spring Security, Spring Boot) 
- Familiarity with REST APIs, web services 
- Proficiency in version control tools (Git) 
- Experience with build tools like Maven and Gradle 
- Experience with relational databases (PostgreSQL) 
- Expertise in containerization (Docker) 

- Experience in unit and integration testing 
- Strong communication skills and teamwork ability 
- English level: Intermediate or higher 

Will Be a Plus: 

- Solid understanding of design patterns 

- Experience with NoSQL databases like MongoDB and Redis 

- Familiarity with messaging systems like Kafka and RabbitMQ 

- Experience with microservices architecture 

Responsibilities: 

- Collaborate with senior developers and project managers 

- Assist in designing, coding, and testing applications 

- Write well-designed, efficient, and testable code 

- Participate in code reviews 

- Debug and resolve technical issues 

- Contribute to application documentation 

Interview Stages: 

1. Test Task: 1 hour 

2. HR Interview: 30 minutes 

3. Technical Interview: 1 hour 

We Offer: 

- Full Remote 

- Constant support and mentoring 

- Paid 5 working days of sickness per a year; 

- Paid all official Ukrainian holidays; 

- 18 working days of vacation per a year; 

- Opportunity for professional growth and career development 

If this sounds interesting to you, let's talk!

Job Description

We are seeking a Technical Lead to drive the design and development of the new OneAPI backend platform, a scalable API infrastructure running on cloud-native architecture (AWS & GCP). The Technical Lead will guide a small team of engineers, provide hands-on coding expertise, and ensure delivery excellence with a DevOps-first mindset.

• 10+ years of backend engineering experience with strong expertise in Java & Spring Boot.
• Proven experience building platform-level APIs and distributed systems.
• Deep knowledge of cloud platforms (AWS and/or GCP) and cloud-native architectures.
• Strong Kubernetes (K8s) experience for container orchestration.
• DevOps mindset: CI/CD pipelines, monitoring, observability, automation.
• Experience leading small, versatile teams and collaborating across disciplines.
• Experience working in a team responsible for products quality
• Strong problem-solving and communication skills.

Job Responsibilities

• Lead architecture and technical design for the OneAPI backend platform.
• Drive best practices in coding, testing, CI/CD, and DevOps culture.
• Collaborate with stakeholders to define API standards, integration patterns, and platform roadmap.
• Provide technical mentorship and guidance to the engineering team.
• Ensure solutions are secure, scalable, and optimized for performance.
• Ensure quality of develope software
• Participate hands-on in development, especially in critical/complex components.

Department/Project Description

Our client is a global leader in cloud security, enabling organizations to securely transform their networks and applications for a mobile and cloud-first world. Through its Zero Trust Exchange™ platform, it provides fast, secure, and seamless access to applications, regardless of device, location, or network. Trusted by thousands of enterprises, their products help reduce risk, lower IT costs, and deliver a better user experience by replacing traditional on-premises security with a modern cloud-delivered approach.

A next-generation cross-asset data management platform to provide globally consistent data and innovative tools to support business strategy for trade/sales clients, which is built on big data architecture, highly scalable, and cloud-ready. The platform enables industry-leading analytics, client reporting, regulatory compliance, surveillance, supervisory reporting, and data science solutions (data flame). The project tech stack: Java, Scala, Spring, SQL, Kafka, Hadoop.

We are looking for a strong Senior Java Developer capable of being able to work within the team, being a mentor for team members, communicating with stakeholders, and being accountable for the outcomes of activities that are assigned.

The role of the involves working with strong development teams (2 Senior Java Developers), the opportunity to work with big data, improving knowledge in this domain, and utilizing the resources of an international bank.

Responsibilities:

• Design and build frameworks for ingesting/modeling the complex Risk data
• Develop Low latency caching to service Front office risk systems
• Setup monitoring and management for services
• Provide SME support for development of automated QA scripts
 

Mandatory Skills:

• Strong knowledge of Big Data technologies Hadoop Ecosystem (HDFS, Impala, HIVE, HBASE, etc.) and Apache Spark
• At least 5 years of experience in software development, including professional backend software development experience;
• Strong Knowledge of Java programming languages
• Should be familiar with algorithms and design patterns
• Familiarity with Linux environment, including scripting skills
• Designing and building APIs (Java);
• Java Server-side or Back-end development;
• Core Java;
• Java collections and multithreading;
• Java Memory Management;
• Database and SQL (writing stored procedures, designing table schemas).
• Understanding of distributed systems.
• Understanding of CI/CD workflow.

• Ability to multi-task and work under pressure.
• Ability to pick up new concepts and apply the knowledge.
• Demonstrated problem-solving skills.
• Enthusiastic and proactive approach with a willingness to learn.
• The candidate is expected to be dynamic and flexible with a high energy level as this is a demanding and rapidly changing environment

Nice-to-Have Skills:

• Experience In-memory databases and caching
• Job Orchestration tools like Autosys or Airflow
• Apache Spark
• Financial background (where possible)

In a partnership with a global consulting company we are looking for a skilled Scala Engineer to join our team and help build high-performance, scalable backend systems. You’ll be working with a modern functional stack to solve complex data challenges and optimize our distributed architecture. The client is a British multinational enterprise software company.

The Tech Stack

• Language: Scala 2.13
• Framework: Play Framework (Pekko-based)
• Data: MySQL, Redis
• Infrastructure: AWS Services
• Monitoring: Grafana, Kibana

Core Responsibilities

• Design and maintain robust backend services using Scala and the Pekko-based Play Framework.
• Write clean, testable code emphasizing immutability and functional programming principles.
• Optimize database performance through SQL profiling, indexing, and query refinement.
• Manage and deploy cloud-native applications within the AWS ecosystem.
• Collaborate through a structured CI/CD pipeline and Git-based PR workflow.

Technical Requirements

• Scala Mastery: Deep knowledge of the Scala standard library, specifically collections, Futures for concurrency, and pattern matching.
• Database Expertise: Strong proficiency in SQL. You should be comfortable explaining execution plans and optimizing slow queries.
• Cloud Proficiency: Hands-on experience with core AWS services (e.g., EC2, RDS, S3, or Lambda).
• DevOps Mindset: Solid understanding of version control (Git) and automated deployment flows.

Nice to Have

• Experience with functional persistence libraries like Doobie or Squeryl.
• Familiarity with observability tools; specifically building Grafana/Kibana dashboards and configuring alerts.
• Direct experience with horizontal scaling and managing state in large-scale distributed Pekko systems.

Senior Java Engineer (high-load product) 

Are you a Java Developer looking for new challenges? 
What about working with a high-profile client with millions of QPS? 
If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.
 
Project tech stack: 
Concurrency -  a high-load, low-latency system.
Cache: Aerospike, Memcached
Cloud: AWS, GCP
DB: PostgreSQL, Superset
Streams: Kafka, Kinesis
Data formats: Avro, Protobuf
Languages: Java, Scala, Python
 
About the project:
Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.
 
Location:
Ukraine remote
 
Skills & Experience:
- 4 - 8 years of experience building large-scale and low-latency distributed systems
- B.S. or M.S. degree in Computer Science, Engineering, or equivalent 
- Command of Java or C++
- Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming 
-Self-motivated individual with a high level of accountability and ownership
- Critical thinking and practical decision making
- Can do, results-oriented mindset
 
Will be a plus: 
- Experience with distributed caching, SQL/NoSQL, and other databases is a plus 
- Experience with Big Data and cloud services such as AWS/GCP is a plus
Experience in the advertising domain is a big plus 

 Responsibilities
- Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
- Own building features, driving directly with product and other engineering teams 
- Demonstrate excellent communication skills in working with technical and non-technical audiences 
- Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops 
- Be an evangelist for platform innovation and reuse 
- Deliver top-quality software in a timely fashion 

 

The company is an e-trading technology company, providing connectivity and automated workflow solutions for banks and asset managers operating in the Fixed Income and Derivatives markets.

Location: Remote First; office location in London (flexible remote working locations within UK/Europe)
Employment type: Permanent
Working Hours: Full time (UK 9-6)

You will work within a small team where you will pair-program to:

• Build resilient and adaptable fintech platforms and components in Java
• Refactor to improve code design
• Write lots of tests (every one of our commits is continuously and rapidly verified by thousands of tests)
• Automate the boring bits
   

Features of the way we work:

• We avoid silos by regularly rotating between teams to work on the whole system with an Our Code not My Code mindset and approach
• We practice trunk-based development and continuous integration: we treat every commit as releasable
• We treat broken tests as failures and revert where possible
• We practice TDD, BDD and DDD
• We automate as much as possible
• We pair program to ensure that everyone understands the context of what they are working on. We also believe that pairing drives quality, learning, cross-skilling, and builds empathy with other developers

• Sometimes we have to care about throughput and latency and so take this into account when writing code

   

Salary: dependent on experience up to £130,000 + Shares + Benefits

Summary

We are a fast-growing U.S. healthtech company specializing in AI-powered optimization software for hospitals. Our platform helps healthcare providers predict patient outcomes, optimize staffing and operating room utilization, reduce length of stay, and prevent adverse events. We are currently deployed in multiple hospital systems and expanding rapidly.
 

We are looking for a Senior Java Integration Engineer to play a critical role in connecting our AI models with real-world clinical data from hospital Electronic Medical Record (EMR) systems.

Location: Remote (US Time Zone Preferred) Type: Full-time

Are you a talented developer looking for a remote job that lets you show your skills and get decent compensation? Join Upstaff.com, a platform that connects you with hand-picked startups and scale-ups in the US and Europe.
 

Role Summary

We are seeking an experienced Senior Java Engineer with a strong healthcare integration background to build and maintain the integration layer between hospital Electronic Medical Record (EMR/EHR) systems and our predictive analytics platform.

You will design and implement robust, reusable integrations with major EMR vendors - starting with Epic, followed by Cerner, Allscripts, and others - using modern standards like FHIR and HL7 v2. This role is central to enabling our AI solutions to deliver measurable impact in live hospital environments.
 

What You’ll Work On

• Design, build, and maintain a Java + Spring Boot microservices layer that securely mediates between EMR systems and our downstream AI and optimization modules.
• Implement inbound integrations to pull structured clinical data (demographics, labs, vitals, medications, surgical records, notes, etc.) from EMRs using FHIR R4 APIs and HL7 v2 messaging protocols.
• Develop outbound integrations to push our predictions and recommendations back into the EMR, including support for SMART on FHIR embedded applications.
• Lead the migration from current file-based (CSV) integrations to fully automated, real-time API-driven integrations.
• Design a highly reusable integration framework that can be deployed across multiple hospital systems and EMR vendors with minimal customization.
• Collaborate closely with AI/ML, optimization, and product teams to ensure seamless data flow for key clinical modules.
• Ensure all integrations meet HIPAA, HITECH, and other healthcare compliance and security standards.
   

Tech Stack

• Backend: Java 25, Spring Boot 4.x
• Integration: FHIR R4, SMART on FHIR, HL7 v2
• Architecture: Microservices, REST APIs, Message-driven patterns
• Cloud: AWS
• Other: OAuth2, security best practices for PHI handling
   

Must-Have Qualifications

• 7+ years of backend software development, with at least 4+ years of recent hands-on experience using Java 17+ and Spring Boot 3.x/4.x.
• Strong, demonstrable experience integrating with healthcare EMR/EHR systems - particularly Epic, Cerner, Allscripts, MEDITECH, or similar platforms.
• Hands-on working knowledge of FHIR (R4 preferred) and HL7 v2 messaging standards.
• Proven ability to design and implement secure, scalable integration layers handling sensitive clinical data (demographics, labs, vitals, surgical data, etc.).
• Strong understanding of healthcare data privacy and compliance (HIPAA, PHI handling).
• Experience working in a small, senior engineering team with end-to-end ownership.
   

Nice-to-Haves (Big Plus)

• Experience developing SMART on FHIR applications.
• Deep familiarity with the Epic ecosystem (Bridges, App Orchard, MyChart, Interconnect, etc.).
• Previous work with other clinical systems, health information exchanges (HIEs), or medical device integration platforms.
• Exposure to regulated environments outside of healthcare (finance, insurance, government) with strict data security and compliance requirements.
• AWS cloud experience (EKS, IAM, security services).
• Full-stack mindset or basic front-end experience - a plus but not required.
• Passion for healthcare technology and improving patient outcomes.

We strongly encourage candidates with relevant healthcare integration experience - even if not perfectly matched to Epic/Cerner - to apply and highlight their background.

We’re looking for a Senior Java Backend Engineer to help our client enable seamless integration between AI-driven hospital optimization tools and major EMR/EHR systems, improving real-time clinical and operational decision-making.

Join a healthcare integration team building the backend layer that connects AI-powered hospital optimization tools with EMR/EHR systems like Epic and Cerner. The work enables real-time clinical data exchange and directly supports better hospital operations, staffing, and patient flow across US healthcare systems.

Beetroot partners with our client to extend their engineering capacity and scale their healthcare platform across multiple hospital networks in the US.

You will work on a high-impact integration layer that sits at the core of clinical data flow, helping translate complex hospital data into actionable insights and ensuring that AI-driven recommendations are reliably delivered back into daily clinical workflows.

What you'll do in this role  

• Own and maintain Java + Spring Boot microservices for EMR/EHR integration
• Build integrations with Epic first, then Cerner, Allscripts, and other vendors
• Implement inbound data flows via FHIR APIs and HL7 v2 (labs, vitals, demographics, surgical data)
• Support outbound flows delivering AI predictions back into hospital systems
• Contribute to migration from file-based (CSV) to API-driven architecture
• Design reusable integration patterns across multiple hospital deployments

We're looking for

• 5+ years of Java backend development experience with strong skills in Java 17+ and Spring Boot (3.x / 4.x)
• Hands-on experience integrating with healthcare systems (Epic, Cerner, Allscripts, MEDITECH, etc.) — healthcare integration experience is a must-have and especially important for this role
• Good understanding of HL7 v2 and FHIR (R4 preferred)
• Experience with microservices and REST API design
• System integration & API design
• Solid understanding of microservice architecture
• Ability to work independently in a senior-level engineering team
• Strong interest and proven experience in healthcare technology and complex system integration in the healthcare domain
• Motivation to work on high-impact, real-world systems

How to knock our socks off

• Experience with SMART on FHIR
• Knowledge of Epic ecosystem (Bridges, App Orchard, MyChart)
• AWS familiarity
• Full-stack exposure
• Understanding of HIPAA / PHI requirements
• Ability to name five or more dishes that include beetroot besides borshch 😉

✔ Not checking every box?

This job looks very exciting, but you hesitate to apply because of the confidence gap? Reach out to us anyway! Beetroot is an inclusive workplace that considers all applicants. We’re committed to openness — promoting equality and fostering an environment where different backgrounds, ideas, and experiences are not just accepted, but embraced. So let’s discover together whether we could be an excellent fit for each other.

Please send us your CV in English, and we'll be happy to discuss your application further.

Our client is one of the leading companies on the market which provides Big Data, Data Integration, Data Preparation and Enterprise Application Integration software and services. Its products allow to build data integration process, migrate data safely, process big amount of data, cleanse data and check its quality.

Connector is a core element of the products, which allows to connect, extract data from a data source, transform data according to business needs and load data back to some storage. It is used in traditional software such as Studio for Data Integration as well as in the modern Cloud services.

Continuous emerging of new technologies and data repositories lead to demand growth of creating new connectors and adapting the existing ones.

For this reason, we are looking for a Java developer to join the team to address the demand and provide our client with the best quality service.
 

Requirements:

• Good knowledge of Java Core 8
• Some experience with SQL (knowledge of JDBC is a huge plus)
• Understanding and some experience in testing techniques (JUnit)
• English (both spoken and written) at least at Intermediate level that allows communicating with an international team on a daily basis

 Optional but desirable:

• Pet projects on Java Core
• Knowledge of JSON, XML
• Knowledge or experience with development and CI tools: Git/GitHub, Maven, Docker

Job responsibilities:

• Design and implement Talend Connectors (see below)
• Unit and Integration testing
• Respond to feature requests, bug reports, performance issues and ad-hoc questions

Advantages:

• Smooth onboarding process
• Working under the supervision of a skilled teammate
• Chance to work with a great variety of technologies and DBs (both SQL and non-SQL such as Snowflake, PostgreSQL, Mongo, Cassandra, DynamoDB, Neo4j)
• Work collaboratively in a distributed international team (France, Germany, China)

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

- Develop high-quality Java microservices using Spring Boot.
- Build Kafka producers, consumers, and stream-processing apps.
- Design event-driven architectures with reliability and performance.
- Implement service resiliency patterns such as retries and circuit breakers. - Collaborate on distributed system design and integration.

• Ensure logging, tracing, and monitoring of backend services.

• Support performance tuning and root cause analysis.

   

• Skills
  - Strong in Java, Spring Boot, microservices patterns.
  - Hands-on Kafka development—streams, partitions, consumer groups. - Knowledge of distributed systems architecture.
  - Familiarity with Docker, cloud-native packaging.
  - Experience in REST APIs, schema evolution, and contracts.
  - Understanding of observability (logs, metrics, traces).
  - Good debugging and performance optimization skills.

For this role the client requires the candidate to have been based in Poland for 2+ years

Hourly rate: 25-35 usd/hour gross

Contract duration: 1 year with prolongation 

Vacation covered - no

IBFD (International Bureau of Fiscal Documentation) is the world's foremost authority on cross-border taxation, established in 1938. Tax practitioners from all over the world rely on IBFD for high-quality and independent tax knowledge and research. As a non-profit foundation, IBFD delivers tax knowledge through publications, training, research, and data. Around 250 employees work in four offices on three continents, from 40 countries, with 700+ external authors and correspondents worldwide.

Our team 
We work in Agile teams with a service-oriented architecture and a strong DevOps culture. Applications are being migrated to a Kubernetes cluster. The Tech & Data department includes ~30 full-time employees and external developers in near-shore and offshore arrangements.

Our сurrent Tech Stack:
 Java, Git — XML, XSL, XQuery — DTD, Schema, Schematron — REST, OpenAPI, Docker, Kubernetes — RDF, OWL, SPARQL — HTML, CSS, JSON, JavaScript

Requirements 

• 5+ years of experience in Java application development, Git, and IDEs 
• Experience with microservices, REST, OpenAPI, Docker, and Kubernetes
•  5+ years of experience in XML content development, including enrichment processes
• Significant experience in transforming XML for online presentation: HTML, CSS, DOM, JSON, JavaScript
• Strong background in XML content modelling (DTD, Schema) and validation methodologies (Schematron)
• Experience with knowledge graphs (RDF, OWL, SPARQL, and related semantic web technologies)
• Proficient in developing applications for XML editing tools (XMetaL), conversion processes (XSL, XQuery), ML-based enrichment strategies, and prototyping
• Experience working in Agile environments and collaborating with product, development, UX, and research teams
• English — B2+

Responsibilities 

• Review business and functional requirements and propose technical solutions; describe solutions and supplement with technical diagrams as needed
• Collaborate closely with other development team members to ensure proposed solutions are technically feasible and align with the organization's architecture and infrastructure standards
• Develop solutions using the technologies described above; in some cases, assign tasks to offshore developers
• Write clear and concise documentation of application features, decisions, and technical constraints
• Stay current with the latest research and best practices in content processing, XML, graph technologies, and AI-driven content enrichment; suggest improvements to processes, tools, and the technology landscape

Will be a plus 

• Experience in academic publishing, standards, citations 
• Experience with additional publication formats: PDF generation, ePub, Excel, XML-based typesetting
• Experience with enterprise Content Management Systems (e.g., Alfresco)
• Experience with Claude Code or other AI-based programming tooling
• Exposure to AI-driven or data-informed thinking related to content development approaches

What we offer:

• Access to Tools & Resources: Well-defined PDP (Personal Development Plan) and PIP (Personal Improvement Plan) policies.
• Education Budget: Dedicated budget for courses, certifications, and professional development
• Bintime Academy: Internal university for professional development
• Reliable Infrastructure: Starlink internet, а generator, and a comfortable workspace to ensure uninterrupted work.
• Team Budgets: Dedicated resources for team initiatives, training, and collaboration.
• Medical Insurance: Coverage within Ukraine.
• Mental Health Support: Access to psychotherapy sessions via Pleso.
• Individual English Lessons: To enhance your language skills.
• Work-Life Balance: Generous vacation and sick leave policies.
• Corporate Events: Regular team-building activities and company events.