Senior Backend Developer Job at Fireart Studio (Warsaw)

Senior Backend Developer

AI-BOB is an AI-powered platform that catches construction mistakes before they ...

Location

Sweden , Stockholm

Salary:

Not provided

AI-BOB

Expiration Date

Until further notice

Requirements

Expertise in TypeScript and a track record of building scalable backend systems
A problem-solver at heart, with experience tackling challenges like 3D algorithms, AI/ML, image recognition, or generative AI
Someone who cares about sustainability and wants to cut waste from construction
A curious, creative thinker who's fascinated by the intersection of construction and tech
A self-starter who thrives in a fast-moving, product-focused environment

Job Responsibility

Develop scalable and efficient backend systems that power AI-BOB's compliance platform
Solve complex problems in areas like 3D algorithms, machine learning, image recognition, and generative AI
Build rock-solid APIs that keep data flowing seamlessly between frontend and external systems
Optimize our platform for performance, security, and scalability
Collaborate with AI researchers, architects, and engineers to build innovative solutions
Experiment, iterate, and push boundaries - because we're building something that hasn't been done before

What we offer

Competitive Salary & Equity
Be Part of Something Big – We're fixing one of the biggest inefficiencies in construction
Real-World Impact – Your work will help reduce waste, cut costs, and make buildings more sustainable
Work with Cutting-Edge Tech – AI, 3D algorithms, machine learning, automation—you name it
A Team That Has Your Back – We trust each other, we support each other, and we have fun doing it

Fulltime

Senior Backend Java Developer

This role involves building and supporting critical banking applications. As an ...

Location

Canada , Mississauga

Salary:

94300.00 - 141500.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

5-8 years experience in a Software Development role focusing on Java/Spring/Spring Boot development for Backend applications
Experience in developing low latency and high throughput APIs using Java, Spring and Spring Boot
Strong Core Java and functional programming experience
Strong experience in data modeling and experience with relational and NoSQL databases, specifically Oracle and MongoDB
Responsible for server-side design & development
Development of common, reusable components and services
Experience using Git/BitBucket
Good communication skills, both written and verbal
Good troubleshooting skills
Bachelor's degree/University degree or equivalent experience

Job Responsibility

Resolve high-impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Apply advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and contribute to developing standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business integrate to accomplish business goals
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Contribute to mentoring junior developers and analysts
Assess risk and ensure compliance with applicable laws, rules, and regulations

What we offer

Global benefits designed to support well-being, growth and work-life balance

Fulltime

Senior Software Developer, Backend Platform

Join us in building the future of finance. Our mission is to democratize finance...

Location

Canada , Toronto

Salary:

145000.00 - 170000.00 CAD / Year

Robinhood

Expiration Date

Until further notice

Requirements

Significant experience building scalable backend systems in Go and/or Python
Deep familiarity with server-side frameworks such as Django or Go-based systems
Strong track record designing or maintaining internal developer platforms or shared infrastructure
Experience mentoring engineers, guiding technical decisions, and contributing to team-wide strategies
Passion for developer productivity, quality engineering practices, and thoughtful abstraction

Job Responsibility

Design and lead high-impact projects to improve frameworks, common libraries, and the backend development lifecycle
Own and evolve core tooling used across the monorepo — including static analysis, code formatting, and project scaffolding
Build delightful developer experiences with enhanced IDE plugins (VSCode, Goland, PyCharm) and interface definition tools like Protobuf
Drive best practices in backend architecture through standardization, automation, and opinionated defaults
Mentor engineers across the org and champion team values like “Start with Why” and “Easy to Make the Right Choice”
Collaborate with cross-functional stakeholders to align on tooling investments, migration strategies, and security improvements

What we offer

bonus opportunities
equity
benefits

Fulltime

Senior Backend Developer

We are seeking a skilled and experienced Backend Developer with 5 to 8 years of ...

Location

India

Salary:

Not provided

NorthBay

Expiration Date

Until further notice

Requirements

Proven experience in backend development with Python or Node.js
Strong understanding of microservices architecture and RESTful API design
Experience with containerization tools like Docker and orchestration with Kubernetes
Knowledge of testing frameworks (e.g., PyTest, Mocha, Jest) and test-driven development practices
Hands-on experience with SQL, NoSQL (e.g., MongoDB, DynamoDB), and Vector databases (e.g., Pinecone, FAISS)
Experience deploying and managing applications on cloud platforms (AWS, Azure, or GCP), including compute services, serverless functions, cloud databases, and networking components
Strong problem-solving skills, communication abilities, and a collaborative mindset
Self-motivated and able to work independently in a distributed team environment

Job Responsibility

Design, develop, and maintain robust and scalable RESTful APIs for enterprise-level applications
Build and deploy microservices using modern backend frameworks with a strong emphasis on performance and maintainability
Implement containerized applications using Docker and Kubernetes
Write unit and integration tests using relevant testing frameworks to ensure code quality and system reliability
Collaborate with cross-functional teams including front-end developers, DevOps, and data engineers to deliver high-quality software solutions
Optimize backend performance and ensure security compliance throughout the development lifecycle
Maintain and work with various database technologies including SQL, NoSQL, and Vector databases
Deploy, monitor, and troubleshoot applications in cloud environments (compute, serverless, networking, storage)

Fulltime

Senior Backend Java Developer

Capstone IT is seeking a Senior Java Backend Developer with deep expertise in en...

Location

United States , Glen Allen, VA

Salary:

72.00 - 83.00 USD / Hour

Capstone IT Staffing

Expiration Date

Until further notice

Requirements

Minimum 10 years of experience with a heavy focus on backend development, database connectivity, and containerization
Java (versions 8-17)
Spring Boot (Spring Data, Spring Cloud)
Hibernate (JPA, HQL, JPQL, Criteria, tuning, troubleshooting)
Web Services (SOAP and REST APIs)
Strong familiarity Kafka, MongoDB, and distributed systems concepts
Strong experience with Oracle/SQL Server and database connectivity
Experience with WebLogic, JUnit/Mockito, Git, Gradle/Ant, IntelliJ/Eclipse
Azure DevOps- used for project and backlog tracking
Bachelor’s degree in computer science or similar field

Job Responsibility

Develop clean, efficient, testable backend code
Enhance and maintain data access layers and system performance
Contribute to design discussions and modernization initiatives
Work independently with proactive problem-solving
Clear written and verbal communication
Adapts quickly and works independently

Fulltime

Senior Backend Developer

Senior Backend Developer – Up to £700pd Inside IR35 – Full Remote. One of the mo...

Location

United Kingdom

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Strong experience in Java/Python/Golang programming
Experience with AWS or other cloud platforms
Strong test driven development
Strong scalability and performance mindset

Job Responsibility

Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang
Collaborate with the engineering team to define and implement new features and services
Roll features out to over 10,000,000 users and also close to 5,000 internal staff

Senior Node.js Backend Developer

At A-SAFE DIGITAL, we are a dynamic and innovative tech company driving the glob...

Location

Spain , Málaga

Salary:

Not provided

A-SAFE GROUP

Expiration Date

Until further notice

Requirements

Minimum 5 years of professional experience as a Node.js Backend Developer with a proven track record
Extensive experience with TypeScript
Strong command of Node.js and asynchronous programming
Experience with popular Node.js frameworks like Express
Proficiency in designing and optimizing database schemas (e.g., MongoDB, MySQL, PostgreSQL)
Knowledge of container technologies (Docker) and orchestration tools (Kubernetes)
Familiarity with microservices architecture and serverless computing
Solid understanding of CI/CD pipelines and version control systems
Excellent problem-solving and communication skills
Ability to thrive in a collaborative and fast-paced work environment

Job Responsibility

Design, develop, and maintain efficient and scalable backend services using Node.js and TypeScript
Collaborate with front-end developers, product managers, and other stakeholders to deliver integrated solutions
Implement and maintain database structures and optimize queries for better performance
Work with modern frameworks and tools, ensuring code quality and adherence to best practices
Conduct code reviews to ensure high standards and mentor junior team members
Implement and maintain RESTful APIs and other communication protocols
Stay up to date with emerging industry trends and technologies to propose innovative solutions

What we offer

Competitive salary
Hybrid work model: 2 days in-office / 3 days remote
Flexible hours with early Friday finishes
Real opportunities for growth and professional development
Office perks: swimming pool, ping-pong table, coffee and tea

Fulltime

Senior Backend Web Developer

Infuy is seeking a highly skilled Senior Backend Web Developer to join our dynam...

Location

Uruguay , Montevideo

Salary:

Not provided

Infuy

Expiration Date

Until further notice

Requirements

Technical proficiency required with several of the following: Linux, Apache/expressJS Servers, K8s, PHP, NodeJS, Docker, PgSQL, MySQL, DB query/design/administration, ELK, Grafana, Git-Flow, CI/CD, HELM
6+ years of experience in LAMP and/or MEAN
Strong knowledge of RESTful JSON API’s, and experience in creating the same
Knowledge of standard processes for: release management, continuous deployment, microservices deployment, or container deployments in any k8s environment
Experience in creating excellent software including documentation and other development/design artifacts
Upper Intermediate English

What we offer

Inspiring and relaxed working environment
Cool open, flexible and activity-based spaces
Work with the latest technologies
Open-minded and genuinely nice community - our ninja teams are friendly!
Partner-up with top-level clients from all over the world
Train daily on the job, augment your skills and build an awesome career
Flexible working schedule and work-from-home opportunities
Remote or Hybrid Job
Extra study time

Select Country

Senior Backend Developer

Job Description

Job Responsibility

Requirements

Nice to have

What we offer

Looking for more opportunities?

Senior Backend Developer

Senior Backend Developer

Senior Backend Java Developer

Senior Software Developer, Backend Platform

Senior Backend Developer

Senior Backend Java Developer

Senior Backend Developer

Senior Node.js Backend Developer

Senior Backend Web Developer

Our AI answers in your language