Basic
Lead Java Developer
Posted: 18.05.2026
Closing date: 02.07.2026
Job reference: 9cf2a60552e1a8400018ee4a0eac4d74
Job information
Location
Lisboa, Lisbon Metropolitan Area, Portugal
Company
Jobio
Client / Employer
28stone
Job reference
9cf2a60552e1a8400018ee4a0eac4d74
Listing type
Basic
EU work permit required
No
Posted
18.05.2026
Closing date
02.07.2026
Job description
At 28Stone, we specialize in delivering tailored software solutions for the financial services industry, working closely with major institutions in the US and UK to build high-performance systems for global capital markets. With over 200 professionals across North America and EMEA, we are a global IT consulting firm known for deep domain expertise and a focus on capital markets technology.We offer a unique opportunity: the ability to work on international projects within a friendly and collaborative environment. Our teams support the development and delivery of technology that helps drive efficiency, performance, and scalability for some of the world’s most advanced financial institutions.Since 2023, through our strategic collaboration with Stark & Partners, we have expanded into Portugal by launching a Software Engineering Delivery Center using the B.O.T. (Build-Operate-Transfer) model. This center is a key part of our global delivery strategy, and we are continuing to grow sustainably by hiring talented engineers and consultants who are eager to contribute to complex, global financial systems.We are proud to have received the Top 1% Workplace Award 2024 in the category. At 28Stone, we foster a culture of learning, openness, and collaboration - and we are always looking for positive, motivated individuals who want to grow their careers and make an impact through technology.Join 28Stone in Portugal and be part of a team that connects local talent to the global financial technology landscape.Your impact zonePerform system design (High /low), Workflow diagrams and participate in design review sessions.Designing and writing clean and testable code.Effectively collaborating with the project team.Maintaining own productivity and aligning to project goals.Actively contributing to technical solution definition.Communicating with the client daily. At least 5+ years of hands-on experience in developing enterprise applications using Java.Must have 5 plus years of Spring/Spring boot development experienceExperience in Camel.Threading/Concurrency, Collections, Exception Handling and other core java features.Experience in writing REST, Microservice & APIs- including performance, security, and error handling aspects.Good knowledge of SQL, entity relations (ORM) and writing queries.Decent knowledge in protocols - http/https, SSL, TCP and others.Good understanding of the CI/CD process.Build tools - Maven / Gradle Version control - GIT (preferred) / SVN.Good written and spoken English communication skills (Communicate with international clients and colleagues).Ability to work in a team and independently.Considered an advantageMessaging experience (AMQ or Kafka).Knowledge of cloud (Azure) and containers (OpenShift or similar).Knowledge of Financial markets and Fixed income. Hybrid & flexible work: Work remotely from anywhere in Portugal or from our co-working office in Leiria.(TECNEA Community). Annual training budget: Invest in your growth with an allocated budget each year.Tech communities: Join a team that fosters knowledge sharing and mentorship.Loyalty rewards: Receive company-branded gifts on your work anniversaries.Modern office setup: Ergonomic and fully equipped workspace in Leiria.Additional office perks include free snacks, fresh fruits, tea and coffee, board games, a ping pong table, a spacious cafeteria, and free parking. Social events: monthly lunches, team buildings, company-wide events.Coverflex: A flexible benefit for expenses like education, childcare, and sports.CompensationAnnual Gross EUR 50,000 - 70,000 EURWe are flexible and use an individual approach with each candidate we meet, so we invite you to apply even if you do not meet some of the listed requirements.Only candidates who have the right to work in Portugal are considered for this position.The mentioned remuneration may vary depending on the candidate’s skills, qualifications, and experience.
Skills
ABAP
adapt to changes in technological development plans
AJAX
Ajax Framework
analyse software specifications
Ansible
Apache Maven
Apache Tomcat
APL
ASP.NET
Assembly (computer programming)
blockchain openness
blockchain platforms
C
COBOL
CoffeeScript
collect customer feedback on applications
Common Lisp
computer programming
create flowchart diagram
cyber attack counter-measures
data visualisation software
debug software
defence standard procedures
define technical requirements
design user interface
develop automated migration methods
develop creative ideas
develop software prototype
do cloud refactoring
Drupal
Eclipse (integrated development environment software)
engineering principles
engineering processes
Erlang
Git
Groovy
Haskell
IBM WebSphere
ICT debugging tools
ICT security legislation
identify customer requirements
integrate system components
integrated development environment software
Internet of Things
interpret technical requirements
Java (computer programming)
JavaScript
JavaScript Framework
Jenkins (tools for software configuration management)
KDevelop
Laravel
Lisp
manage engineering project
Matlab
Microsoft Visual C++
migrate existing data
ML (computer programming)
MySQL
NoSQL
object-oriented modelling
Objective-C
OpenEdge Advanced Business Language
Oracle Application Development Framework
Pascal (computer programming)
perform scientific research
Perl
PHP
Project Management
Prolog (computer programming)
Puppet (tools for software configuration management)
Python (computer programming)
R
Ruby (computer programming)
Salt (tools for software configuration management)
SAP R3
SAS language
Scala
Scratch (computer programming)
screen reader
Smalltalk (computer programming)
smart contract
software anomalies
software frameworks
Spark
SQL
STAF
Swift (computer programming)
technical drawings
tools for software configuration management
Trading Software
TypeScript
use an application-specific interface
use automatic programming
use concurrent programming
use functional programming
use logic programming
use object-oriented programming
use query languages
use software design patterns
use software libraries
use technical drawing software
utilise computer-aided software engineering tools
utilise machine learning
VBScript
Visual Basic
Web Services
WordPress
World Wide Web Consortium standards
Xcode