Senior Backend Developer Job at Fireart Studio (Warsaw)

Senior Backend Java Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5-8 years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

Fulltime

Senior Backend Java Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5-8 years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor’s degree/University degree or equivalent experience

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

Fulltime

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 Lead Backend Java Developer

The Applications Development Manager is a senior level position responsible for ...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

10+ years of relevant experience
Hands-on development experience required
Must have hands-on backend Java development experience
Experience in applications development
Experience in management
Experience managing global technology teams
Working knowledge of industry practices and standards
Consistently demonstrates clear and concise written and verbal communication
Bachelor’s degree/University degree or equivalent experience
Master’s degree preferred

Job Responsibility

Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team
Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
Ensure essential procedures are followed and contribute to defining standards
Integrate in-depth knowledge of applications development with overall technology function to achieve established goals
Provide evaluative judgement based on analysis of facts in complicated, unique, and dynamic situations including drawing from internal and external sources
Influence and negotiate with senior leaders across functions, as well as communicate with external parties as necessary
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards

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 Backend Developer

Do you want to help us unleash the secret to how happy employees create a happy ...

Location

United Kingdom; Sweden , London; Stockholm

Salary:

Not provided

Quinyx

Expiration Date

Until further notice

Requirements

Solid experience as a backend engineer, with expertise in Java and Spring Boot
Strong knowledge of microservices architecture and distributed systems
Experience working in cloud environments (AWS)
Deep understanding of system design principles and optimization techniques for performance, scalability, and security
Quality-driven mindset, with a commitment to high coding standards, test automation, and continuous integration/deployment (CI/CD)
Strong problem-solving skills, with the ability to troubleshoot and optimize complex backend systems
You are a collaborative team player who values teamwork and enjoys working in a highly interactive environment
You are passionate and energetic, willing to go the extra mile to tackle challenges and deliver high-quality solutions
You drive innovation and continuously look for opportunities to improve processes, tools, and technologies
You build trust among your team members and your leaders by consistently delivering high impact work

Job Responsibility

Design, develop, and maintain backend services and APIs using Java and Spring Boot. Ensure these services are scalable, reliable, and efficient
Influence product development by providing technical expertise, improving engineering processes, and advocating for best practices in software design
Lead and/or participate in technical initiatives that span multiple teams, influencing decisions that affect the entire product area
Contribute to architectural decisions, define best practices, and ensure alignment with long-term technical strategies
Mentor junior engineers, conduct code reviews, and advocate for clean, maintainable code with a strong emphasis on test automation
Actively participate in the hiring process, helping to identify and attract top engineering talent

What we offer

Flexible work hours and latest tools
Enhanced vacation allowance
Gym membership contribution
Ugly Xmas sweater competition

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 Developer

Fireart Studio

Location:
Poland , Warsaw

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 01, 2026

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