Full Stack Developer Python & Javascript Job at Babel Profiles (Madrid)

Full Stack Developer Python with English

Our client is a Canadian Tier 1 company that is redefining how law firms operate...

Location

Spain , Madrid; Barcelona

Salary:

Not provided

Babel Profiles

Expiration Date

Until further notice

Requirements

Strong professional experience as a Software Engineer with a clear focus on Python as your main backend language
Solid experience building web applications end-to-end, ideally in product-focused or SaaS environments
Deep understanding of web fundamentals: REST APIs, authentication/authorization patterns, data modelling, SQL/NoSQL, caching and performance
Hands-on experience with at least one modern front-end framework (ideally React) and confident using JavaScript and TypeScript in production
Engineering mindset: you care about clean abstractions, testability, observability and long-term maintainability, not just 'making it work'
Curious about AI and how to leverage it pragmatically in product features and in your own developer workflow (tooling, code assistance, automation)

Job Responsibility

Design, implement and evolve backend services in Python (e.g. FastAPI, Django, Flask) that are secure, scalable and easy to maintain
Build and iterate on front‑end features using React and TypeScript, focusing on performance, usability and clean component architecture
Integrate AI‑powered capabilities into product workflows (retrieval, summarization, recommendations, agent‑like flows) in collaboration with the internal AI/ML teams
Own features end‑to‑end: from data modelling and API design to UI behavior, monitoring, alerting and performance tuning
Write high‑quality, well‑tested code and contribute to shared patterns, libraries and best practices across the engineering organisation
Participate in technical discovery and architecture discussions, challenging assumptions and helping shape the technical roadmap

What we offer

A dynamic, collaborative culture that encourages innovation
Flexible working hours and remote-friendly policies
Focus on mental health and holistic well-being
Ongoing professional growth and development opportunities
Diverse, multicultural teams
A space where creativity and experimentation are welcomed
Regular team-building activities and community engagement
Access to cutting-edge legal technology platforms and tools

Fulltime

Senior Python Full Stack Developer

Are you a senior-level Full Stack Developer who thrives on solving complex probl...

Location

United Kingdom , Newcastle upon Tyne

Salary:

42000.00 - 62000.00 GBP / Year

Gillespie Recruitment

Expiration Date

Until further notice

Requirements

Proven experience owning and delivering full stack web applications end-to-end
Strong understanding of user-centric design and client experience
Solid knowledge of parallel, virtual, cloud computing and Dockerisation
Experience developing background services using multiprocessing and multithreading
Excellent technical capability across: Python, Flask, MVT architecture, SQLAlchemy and ORM principles, PostgreSQL and database design, Front-end development using HTML, CSS, JavaScript (jQuery, AJAX, DataTables), Jinja2 and Node Package Manager, Docker and Docker Python API, AWS (ECS, RDS, EFS, EC2, VPC, Firewalls, Boto3 API), Azure DevOps, CI/CD pipelines, repositories, Git and source control tools, Mapping solutions such as OpenLayers
Strong written and verbal communication skills, able to clearly explain technical concepts to non-technical stakeholders
Experience delivering complex, uncertain R&D projects
Confident conducting high-quality code reviews

Job Responsibility

Taking initiative on robust software product development, including developing, deploying, and maintaining cloud-based web applications
Designing full system structures, including workflows, databases, and cloud architectures
Creating an exceptional user experience for advanced engineering tools
Developing background daemons and orchestration software to run optimisation algorithms in parallel
Identifying and scoping new features and future R&D opportunities
Producing technical specifications for external subcontractors and managing those relationships
Supporting the development of R&D funding applications and consultancy proposals
Coaching and mentoring junior developers
Representing the business at conferences, webinars, and industry events

What we offer

Opportunity to work on truly innovative, world-leading technology
Supportive, collaborative team environment
Real scope to influence products, processes, and future direction

Fulltime

Full Stack Python Developer

We are looking for a talented Full Stack Software Engineer with a proven track r...

Location

India , Hyderabad

Salary:

Not provided

NStarX

Expiration Date

Until further notice

Requirements

Bachelor’s or higher degree in Computer Science, Software Engineering, or a related field
Minimum of 5 to 8 years of experience as a Full Stack Software Engineer with a focus on microservices development and exposure to Machine Learning applications
Proficiency in Python and experience with web frameworks like Flask and Django
Strong knowledge of JavaScript and experience with React or other frontend frameworks
Proven expertise in building and deploying microservices in a production environment
Familiarity with Machine Learning concepts, libraries (e.g., TensorFlow, scikit-learn), and experience in integrating ML models into applications
Hands-on experience in designing and optimizing systems for low-latency applications
Solid understanding of relational and non-relational databases, with experience in database design and query optimization
Proficiency in Git for version control and collaboration
Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform

Job Responsibility

Microservices Architecture: Design, develop, and maintain microservices-based applications using Python and web frameworks like Flask and Django
Frontend Development: Create user-friendly and responsive interfaces using React, ensuring seamless user experiences across different devices and platforms
Backend Development: Build efficient and scalable backend systems to support data processing, storage, and retrieval, and facilitate seamless communication between microservices
API Development: Design and implement RESTful APIs to enable smooth integration with external services and facilitate communication between frontend and backend components
Low Latency Setup: Utilize performance optimization techniques to create low-latency setups for ML applications, ensuring real-time response and minimal delay
Machine Learning Integration: Collaborate with data scientists to integrate ML models into the application, ensuring proper deployment, monitoring, and inference
Data Pipelines: Develop data pipelines to preprocess and prepare data for ML models, ensuring data quality and consistency
Security and Authentication: Implement security measures, authentication mechanisms, and access controls to protect sensitive data and ensure application security
Testing and Quality Assurance: Write unit tests, conduct code reviews, and ensure high code quality to deliver reliable and maintainable software solutions
Documentation: Prepare comprehensive documentation for code, APIs, and architecture to facilitate seamless collaboration and future development

What we offer

Competitive base + commission
Fast growth into leadership roles

Fulltime

New

Java Full Stack Developer

We are currently seeking a Java full stack developer to join our team in Bangalo...

Location

India , Bangalore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Demonstrated hands on experience building enterprise grade microservices using Java 11+, including strong proficiency in RESTful API design, API documentation (OpenAPI/Swagger), and build tools such as Gradle or Maven
Strong front end development capability in React , with the ability to create performant, user friendly interfaces
Deep expertise in relational databases preferably PostgreSQL, MS SQL Server, or DB2 including data modelling, performance optimization, and advanced SQL proficiency
Practical experience working with Kubernetes and modern microservices architectures in production environments
Ability to develop solutions in Python and Unix shell scripting (e.g., Bash)
Experience writing high quality unit tests with JUnit, and familiarity with TDD or BDD methodologies is a strong plus
Strong understanding of Git based source control workflows and exposure to CI/CD pipelines using tools such as Jenkins
Comfortable working within Linux environments and leveraging command line tools for development and debugging
Solid grasp of Agile methodologies, including experience with Agile tools such as JIRA
Ability to write clean, reusable, maintainable code that aligns with engineering best practices and enterprise standards

Job Responsibility

Support designing, building, and integrating systems
Work with business stakeholders to fulfil the requirements and supporting solutions using JavaScript, Java, and RDBMS
Liaise with global teams to understand requirements, develop high quality code, and deliver projects
Handson design and development of high quality Java applications within a multitier, enterprise environment
Ensure all code aligns with established architectural standards, integration patterns, and enterprise engineering guidelines
Collaborate closely with global development teams and business stakeholders to gather requirements, refine solutions, and deliver impactful features
Build proofs of concepts to evaluate new technologies, frameworks, and solution approaches
Participate actively in design discussions, contributing to architectural decisions and long term platform direction
Investigate and resolve production issues with a focus on root cause analysis, stability, and continuous improvement
Support all phases of the SDLC, including analysis, design, coding, testing, deployment, and post release support

New

Senior Full-Stack Developer

We are looking for a Senior Full-Stack Developer to support the integration of e...

Location

Czechia , Prague

Salary:

Not provided

Algoteque

Expiration Date

Until further notice

Requirements

Strong experience in Python development
Experience with frontend development using Vue.js and JavaScript
Hands-on experience with PostgreSQL
Experience building and integrating REST APIs
Familiarity with AWS cloud services, Docker and containerized environments
Knowledge of GitHub and GitHub Actions for version control and CI/CD
Experience with infrastructure automation tools such as Terraform
Strong analytical and problem-solving skills
Ability to work effectively in cross-functional environments

Job Responsibility

Develop and maintain full-stack applications and integrations
Enhance and support workflow engines used for statistical and cheminformatics processes
Build and maintain backend services, APIs, and frontend interfaces
Develop scalable and reliable cloud-based solutions in AWS environments
Work with PostgreSQL databases and optimize data processing workflows
Support CI/CD automation and deployment processes
Collaborate with cross-functional teams to deliver technical solutions aligned with research and business needs
Participate in code reviews, testing, debugging, and continuous improvement initiatives

Fulltime

Senior Full Stack Developer

We are seeking a highly accomplished and multi-faceted Senior Full Stack Develop...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

August 03, 2026

Requirements

5+ years of professional full-stack development experience utilizing Microsoft .NET (C#) web architectures
Direct, hands-on experience building applications with .NET 9 (ASP.NET MVC and Blazor WebAssembly standalone) alongside relational and NoSQL frameworks
High proficiency in Python and JavaScript for executing advanced web application logic, data transformations, and automation
Deep structural understanding and practical experience architecting solutions on the Azure Cloud platform
2+ years of dedicated experience building or optimizing cloud-based big data pipelines and distributed computing workloads
Advanced Cloud Infrastructure: Direct experience working with advanced cloud data integration suites, monitoring frameworks, and automated computation services
Modern Database Connectors: Hands-on familiarity implementing specific enterprise data clients, including modern Cosmos DB and SQL data libraries
Mobile Deployment: Familiarity with cross-platform mobile frameworks (such as .NET MAUI) and deploying applications to official application storefronts
Accessibility Compliance: Functional working knowledge of building digital products that conform to strict digital web accessibility standards
Independent Execution: Proven capability to operate with absolute autonomy, demonstrating strong personal initiative and lifecycle self-management

Job Responsibility

Develop, debug, and maintain high-performance, secure web applications utilizing modern .NET and frontend architecture patterns
Design and deploy Progressive Web Applications (PWAs) to optimize digital service delivery channels
Write clean, maintainable, and highly efficient script files to execute data processing, automation, and backend infrastructure tasks
Design and optimize data storage solutions, establishing secure connectivity with relational systems and advanced NoSQL data stores
Build, tune, and manage high-throughput cloud data pipelines to support large-scale data acquisition, processing, and analysis workloads
Ensure cloud architectures are configured for maximum reliability and scalability, utilizing cloud diagnostics to monitor stack health
Participate in building robust DevOps deployment pipelines and refining automated CI/CD release processes
Participate in rigorous peer code reviews to enforce established engineering standards, security best practices, and compliance controls
Triage and resolve complex application bottlenecks, data sync conflicts, and performance issues across both development and production environments
Act as a core technical liaison, collaborating with cross-functional squads to translate requirements into deployed technical assets

What we offer

Modern Tech Stack: Work directly with cutting-edge frameworks including .NET 9, ASP.NET MVC, and Blazor WebAssembly
Cloud & Big Data Depth: Gain enterprise experience building public-facing portals integrated with Azure Cosmos DB and Databricks data lakes
Full-Stack Ownership: Lead end-to-end development, from designing responsive mobile web views to engineering robust backend automation pipelines
Collaborative Onsite Culture: Partner closely with cross-functional engineering, DevOps, and database teams inside a high-energy professional workspace

Fulltime

Full Stack Developer - Java - React JS

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

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5+ years of proven software development experience, specializing in Java, JavaScript framework like React, Spring Boot, and Oracle
In-depth knowledge of modern application architecture principles
Clear understanding of Data Structures and Object-Oriented Principles using Java
Practical experience with Artificial Intelligence (AI) tools for enhancing development workflows
Proficiency in Microservices frameworks (e.g., Spring Boot), Event-Driven Services, and Cloud-Native Application Development
Multiple years of experience on Service Oriented and Microservices architectures, including REST and GraphQL implementations
Demonstrated ability to design, develop, and maintain both front-end and back-end components of robust web applications
Strong expertise in developing intuitive user interfaces using contemporary JavaScript frameworks (e.g., React), HTML5, and CSS
Solid experience in developing server-side logic and APIs using languages such as Java, Python, or similar
Comprehensive knowledge of SQL and PL/SQL, with a deep understanding of Relational Database Management Systems (RDBMS), particularly Oracle

Job Responsibility

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
Appropriately assess risk when business decisions are made
Apply depth of knowledge and expertise to all aspects of the software development lifecycle, as well as partner continuously with stakeholders
Develop and engineer solutions within an Agile software delivery team

Fulltime