Junior Back-end Engineer Job at Precise (Lisboa)

Back-End Developer

Start.io is a mobile marketing and audience platform. Start. io empowers the mob...

Location

Salary:

Not provided

Start.io

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or equivalent practical experience
2-3 years of professional Java development experience - Must
Proven track record in designing and delivering complex distributed systems and microservices (Docker, Kubernetes)
Strong understanding of scalability, concurrency, and performance optimization challenges
Hands-on experience with CI/CD tools and automated build/deployment pipelines
Proficiency in Spring & Spring Boot frameworks
Excellent communication skills and the ability to influence technical direction across teams
Experience running applications on Kubernetes, with a focus on designing services that scale efficiently and consume resources effectively (rather than cluster administration)
Ability to measure and improve application performance using profiling, benchmarking, and APM tools (e.g., JFR, JMeter, Micrometer, New Relic, Datadog)

Job Responsibility

Design and develop highly scalable, modular backend applications and APIs using Java and Spring Boot
Own the full development lifecycle — from requirements analysis, design, coding, and testing to deployment and monitoring in production
Lead initiatives to improve system scalability, performance, and security
Collaborate closely with Product, Algo, DevOps, BI, and Marketing to deliver integrated, business-driven solutions
Ensure observability through robust logging, metrics, and alerting with tools like Prometheus, Grafana, Kibana
Drive adoption of engineering best practices, code quality standards, and technical documentation
Mentor and guide junior developers, fostering knowledge sharing and continuous improvement

Java/Spring Boot Junior Software Engineer

Embark on an exciting journey into the realm of software development with 3Pilla...

Location

United Kingdom

Salary:

Not provided

3Pillar Global

Expiration Date

Until further notice

Requirements

3+ years of software development experience in an industry setting in one or more languages at least one of which is Java — with focus on data-structures and algorithms
involved in all aspects from design, implementation, automated testing and maintenance
2+ years experience using Spring Boot
2+ years of experience working on large-scale back-end distributed systems deployed to AWS (back-end focused)
A Bachelor's degree in Computer Science or related field with 3+ years of industry experience in software design and development, or a Master's/PhD with 2+ years of practical experience

Job Responsibility

Craft client code that is not just efficient, but also performant, testable, scalable, secure, and of the highest quality
Provide accurate status tracking, reporting, and estimation using project methods and tools
Gather requirements, validate their understanding amongst the team, create and maintain relevant documentation
Execute activities within current methodology and upholding the highest quality standards
Foster collaboration with fellow engineers, designers, and managers to comprehend user pain points and iterate on solutions that drive client success
Take ownership of projects, from technical design to a successful launch

What we offer

flexible work environment
remote-first approach
part of a global team
wellbeing focus
fitness offerings
mental health plans
generous time off
accelerate career growth and development opportunities
equal opportunity employer

Fulltime

Junior Software Engineer

As part of our team, you will work in the technology department as a Software En...

Location

Netherlands , Amsterdam

Salary:

Not provided

Hiber

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science or equivalent skillset
At least 1-2 years of experience as a Software Engineer
Based in the Netherlands
Experience in working with JVM languages (Kotlin preferred or Scala/Java, our codebase is in Kotlin)
Good understanding of SQL and RESTful APIs, with previous exposure to cloud and containerization (Docker)
Familiarity with version control(Git) and CI/CD workflows

Job Responsibility

Develop and maintain our codebase, bugfixing, improving performance and refactoring to maintain quality. Security, scalability and reliability of our system start in code
Share responsibility with the team in maintaining platform operations health and ensure system reliability during office hours
Use DevOps practices to test, automate and deploy within our CI/CD
Work closely with the other back-end developers, front-end developers and product owner to help build end-to-end functionality
Stay up-to-date with the latest technologies and share knowledge with the rest of the team

What we offer

Be part of an innovative IoT company with state-of-the-art technology
Collaborate with an international team of experienced professionals across multiple disciplines
Enjoy an open, learning-rich culture with opportunities for significant ownership
Work in a small team where your contributions are highly valued
Benefit from flexible hours and work-from-home options, with 4-5 days a week in our vibrant Amsterdam office
Enjoy office perks such as a delicious lunch and Thursday drinks
A competitive salary with 27 vacation days per year based on a 40-hour working week

Fulltime

Junior Partner Integration Engineer

As a Junior Partner Integration Engineer at Cozycozy, you will be a vital member...

Location

Hungary , Budapest

Salary:

Not provided

cozycozy

Expiration Date

Until further notice

Requirements

1-2 years of professional experience in software engineering, preferably in a back-end focused role, or equivalent project experience
Core stack knowledge and experience in Node.js, JavaScript & TypeScript
Familiarity with either NoSQL (MongoDB) or relational (PostgreSQL) databases
A basic understanding of web concepts is a plus (cookies, sessions handling etc)
High curiosity and a strong desire to learn complex system architecture, data integration techniques, and reactive programming principles (RxJS)
A meticulous approach to writing code and debugging data synchronization issues
Good written and verbal communication skills in English, suitable for a collaborative international environment
An ability to take ownership of assigned tasks and seek help proactively when blocked
Genuine enthusiasm for technology, travel, and joining a high-growth company

Job Responsibility

New Integrations: Assist Senior Engineers in developing, testing, and deploying integrations with new accommodation partners using Node.js/TypeScript
Data Collection: Write and maintain reliable code to fetch both static partner information and real-time price & availability data, utilizing partner APIs or web scraping tools
Troubleshooting: Actively participate in debugging and resolving issues related to existing integrations to ensure data accuracy and reliability
Data Processing: Contribute to the maintenance and enhancement of back-end services responsible for data ingestion and processing, learning about performance optimization and scalability
Database Operations: Perform basic operations and assist in optimizing queries across our MongoDB and PostgreSQL databases, under senior guidance
Asynchronous Logic: Learn and apply concepts of RxJS and reactive programming within the Node.js environment to manage data streams efficiently
Code Quality: Participate in regular code reviews, offering constructive feedback and learning best practices for writing clean, well-tested, and maintainable code
Documentation: Create and update technical documentation for new and existing partner integrations
Teamwork: Collaborate effectively with the engineering team, product managers, and business stakeholders to understand integration requirements

What we offer

Opportunity to learn from and be mentored by Senior engineers, accelerating your professional and technical growth
A stimulating and supportive work environment with an international team (12 nationalities represented) that is passionate about travel and innovation
Strong entrepreneurial and open-minded culture with numerous projects to imagine and lead
Enjoy our office in the center of Budapest with unlimited coffee, tea, drinks, and snacks

Junior QA Engineer

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content ...

Location

Croatia , Zagreb

Salary:

1700.00 EUR / Month

EveryMatrix

Expiration Date

Until further notice

Requirements

Experience with issue trackers (e.g., JIRA) and test management tools (e.g., TestRail)
Basic understanding of programming logic and testing methodologies
Knowledge of SDLC and STLC processes
Experience testing on various platforms (Mobile, Desktop)
Strong bug identification, documentation, and communication skills
Advanced English skills in speaking and writing
Ability to identify gaps in testing and propose solutions
Autonomous and resourceful

Job Responsibility

Define and implement QA best practices (test plans, test cases)
Identify and report high-quality bugs, perform regression testing
Conduct various testing types (End-to-End, Black Box, Grey Box, Exploratory, Smoke, Regression)
Test both Front-End and Back-End
collaborate with the team for quality assurance
Participate in team meetings and actively contribute
Support developers in bug reproduction and resolution
Log tasks in JIRA and track time spent on tasks
Use Playwright with JavaScript for automation testing
Perform API testing to ensure functionality and reliability

What we offer

Work from the office with occasional possibility of remote work
Sliding work schedule (start anytime between 8:00 to 10:00 am)
Start with 23 days of annual leave, with 2 additional days added each year, up to 33 days by your fifth year with us
Benefit from two Free Fridays each year, limited to one per quarter
Support for New Parents: 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old
4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old
Our office perks include parking, on-site massages, and frequent team-building activities in various locations
Monthly meal allowance
Paid Personal Days for specific life events, including but not limited to childbirth, wedding, relocation, blood donation, and volunteering
Private health insurance and an extended health plan – Wiener

Fulltime

Lead Digital Software Engineer - Back End

Lead Digital Software Engineer – Back End. Buckman is a privately held, global s...

Location

India , Chennai

Salary:

Not provided

Buckman overview

Expiration Date

Until further notice

Requirements

B.S. or equivalent experience in Computer Science, Electrical Engineering, Computer Engineering or related engineering / technical field plus 10 years experience OR M.S. (or equivalent experience) in in Computer Science, Electrical Engineering, Computer Engineering or related engineering / technical field plus 08 years experience
Minimum of 10 years in in backend development, with at least 8 years focused on cloud-based applications
Demonstrated experience in leading backend development projects, including planning, execution, and delivery
Technical Management and Delivery of products
Azure Services - Min 5 Years of experience in Integration with Azure IoT Hub, Functions, Cosmos DB, Service Bus Queue, Key Vault Stream Analytics, Web API, Azure Data Factory, SQL Azure, Azure AD
Development : Dot Net Core, C# MVC, React JS, React native - Min 10 Years
Azure DevOps and Infrastructure - Min 3 Years
Relational/ Non -Relational Database (SQL/Cosmos DB) - Min 5 Years
Excellent problem-solving skills and the ability to think critically and strategically
Strong verbal and written communication skills, with the ability to articulate complex technical concepts to non-technical stakeholders

Job Responsibility

System Design & Architecture: Design and develop scalable, high-performance, and secure back-end systems
Make architectural decisions and choose appropriate technologies for the stack
Create and maintain documentation for system architecture and APIs
Development & Coding: Write clean, maintainable, and efficient code in languages like Python, Java, or others depending on the technology stack
Develop, test, and deploy new features and enhancements to existing systems
Integrate third-party APIs and services
Optimize applications performance for maximum speed and scalability
Database Management: Design and manage database schemas, relationships, and indexing
Perform database migrations and ensure data integrity
Optimize queries and troubleshoot performance issues

Fulltime

Senior Partner Integration Engineer

Cozycozy is the only platform that gives you real-time access to all available h...

Location

France , Paris

Salary:

Not provided

cozycozy

Expiration Date

Until further notice

Requirements

5+ years of experience in back-end engineering, with a strong focus on high-throughput data integration systems
Deep professional experience with Node.js and TypeScript in a production environment
A good working knowledge of both NoSQL (MongoDB) and relational (PostgreSQL) databases, including schema design and performance tuning
A solid understanding and practical application of RxJS or similar libraries for managing asynchronous data flow
A proven track record of developing robust integrations using various techniques: REST/SOAP APIs
Web Scraping (e.g., using Puppeteer, Cheerio, or similar tools)
An analytical mindset with a strong ability to debug complex, distributed systems and resolve data synchronization issues
Ability to manage projects end-to-end, prioritize tasks independently, and drive integration projects to completion
Excellent communication skills (English is required) and experience working effectively with cross-functional, international teams
A passion for the travel industry and a desire to contribute to a rapidly growing, international product

Job Responsibility

Design and develop integrations: Lead the full development lifecycle for integrating new accommodation partners using Node.js/TypeScript
Data Collection & Extraction: Develop resilient and scalable code to fetch both static partner information and real-time price & availability data, utilizing partner APIs and advanced web scraping techniques
Quality Assurance: Implement comprehensive testing (unit, integration) and monitoring to ensure the accuracy, reliability, and low latency of all acquired data
Data Processing Pipeline: Own the maintenance and optimization of back-end services responsible for data ingestion, transformation, and processing
Database Management: Work hands-on with our data stores, primarily MongoDB and PostgreSQL, optimizing data models and query performance for integration-related services
Reactive Programming: Leverage RxJS effectively within the Node.js environment to manage asynchronous data streams and ensure efficient, non-blocking data flow
Mentorship: Actively mentoring junior engineers, providing code reviews, technical guidance, and helping them grow their expertise in large-scale integration and back-end development
Process Improvement: Drive initiatives to standardize integration frameworks, improve deployment pipelines, and enhance the overall efficiency of our partner onboarding process
Technical Consultation: Collaborate with Product Managers and Business Development teams to assess the technical feasibility and scope of new partnership opportunities

What we offer

Competitive salary, stock options, Alan health insurance, and Swile card
Opportunity to mentor junior engineers
Stimulating and supportive work environment with an international team
Strong entrepreneurial and open-minded culture with numerous projects to imagine and lead
Office in Paris with unlimited coffee, tea, snacks, and drinks

Software Engineer

Join Gallagher as a Java Software Engineer! Build cloud-backed back-end solution...

Location

New Zealand , Hamilton

Salary:

Not provided

Gallagher Group

Expiration Date

Until further notice

Requirements

A relevant tertiary qualification or equivalent experience
3+ years of commercial development experience, or strong enthusiasm and demonstrated learning ability for junior applicants
Proficient in Java and comfortable working in back-end systems
Exposure to or interest in AWS cloud products and cloud-hosted architectures
Knowledge of SQL databases, debugging tools, and software development practices
Comfortable working in a collaborative, agile team environment
Passionate about clean, maintainable code, problem-solving, and continuous learning

Job Responsibility

Developing assigned back-end software components using Java and related tools
Maintaining, testing, debugging and providing technical support of existing applications
Breaking down tasks, estimating work, and completing tasks efficiently
Using modelling techniques (e.g., UML diagrams) to communicate technical designs
Contributing to technical design approaches that meet functional, quality, and performance requirements
Analysing system performance and recommending improvements
Providing technical support to existing products and helping resolve defects
Participating in peer code reviews and following agreed coding standards
Collaborating with your squad, value owners, and other teams in an agile environment
Staying up to date with cloud technologies, back-end frameworks, and best practices

What we offer

Competitive salary and bonuses
Hybrid flexibility (3-4 days office / 1-2 days home)
KiwiSaver on-top and Life and Disability insurance
Mentorship and professional development opportunities
A supportive team culture with team-building events, lunches and a fun environment

Fulltime

Junior Back-end Engineer

Precise

Location:
Portugal , Lisboa

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 28, 2025

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