Backend Engineer (Python) Job at Babel Profiles (Madrid)

Senior Backend Engineer - Python / Threat Intelligence

Are you ready to join a team that's building the future of threat intelligence? ...

Location

Czechia , Prague

Salary:

Not provided

Rapid7

Expiration Date

Until further notice

Requirements

A minimum of 5 years of software development experience in a production environment with deep proficiency in Backend technologies (Python), including Python libraries (eg. SQLAlchemy, Pydantic, Playwright, Pytest), API design, Databases, and Microservices
Experience with Cloud computing (e.g., GCP, AWS, or similar)
Experience with DevOps practices (CI/CD pipelines, etc.)
Experience with Databases (eg. ElasticSearch, Firestore, PostgreSQL, MongoDB)
Problem Solving: Strong creative problem-solving skills with a focus on system design and performance optimization
Attention to Detail: Excellent attention to detail and a commitment to high-quality technical execution
AI Proficiency: Hands-on approach to AI Research and the ability to integrate AI into production environments
Passionate and responsible team player with strong communication skills
You aren't afraid to challenge the status quo, bringing innovative thinking and a fresh perspective to complex problems
Understanding of the full lifecycle development process, including business and functional requirements, developing technical designs, implementation of scalable solutions, and object-oriented design

Job Responsibility

Take an active role in the design and planning of upcoming features and make well-reasoned decisions and tradeoffs in your areas of expertise
Develop, test, and deploy high-quality, efficient code across the full stack, adhering to best practices and coding standards
Lead AI Research & POCs to find innovative solutions for threat intelligence
Take an active role in high-level architectural thinking, working with both legacy code and greenfield projects
Investigate and resolve the most complex system defects and production issues, performing root cause analysis to implement permanent technical solutions
Partner with internal teams to ensure we are understanding and delighting our customers

Fulltime

Senior Backend Python Engineer - AI Platform

Are you looking for a career move that will put you at the heart of a global fin...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Proficiency in core Python and FastAPI framework
Profound understanding of software design principles, architectural patterns, and an unwavering commitment to writing clean, maintainable, and production-grade code
Experience of the full lifecycle of design, implementation and running of enterprise software solutions involving cross functional team collaboration
Experience contributing to the architecture and design (architecture, design patterns, reliability, scaling) of new and current systems
Experience with containerized deployment (Kubernetes, OpenShift etc)
Experience with DevOps, CI/CD and agile methodology

Job Responsibility

You will design, implement, build and deploy backend systems to automate the analysis of data, code and documentation, and structure the extracted knowledge in a Credit Risk Domain aware knowledge graph

What we offer

Generous holiday allowance starting at 27 days plus bank holidays
increasing with tenure
A discretional annual performance related bonus
Private medical insurance packages to suit your personal circumstances
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Fulltime

Senior Backend Engineer (Python)

We are looking for a Senior Backend Engineer to join the team. In this role, you...

Location

Netherlands , Amsterdam

Salary:

Not provided

Levy Professionals

Expiration Date

Until further notice

Requirements

Strong experience with Python backend development
Experience designing and developing RESTful APIs
Hands-on experience with FastAPI, Pydantic, and Pytest
Solid understanding of backend architecture and integration patterns
Experience designing and maintaining database schemas
Ability to write efficient and scalable complex queries
Experience with Azure or other cloud platforms
Understanding of deploying and operating backend services in cloud environments

Job Responsibility

Design, develop, and maintain scalable backend services and RESTful APIs
Define and maintain clear API contracts and specifications
Build integration components and backend services using Python
Work with frameworks and tooling such as FastAPI, Pydantic, and Pytest
Design and maintain database schemas aligned with application requirements
Write efficient and scalable database queries
Deploy, configure, and operate services within Azure cloud environments
Participate actively in Scrum ceremonies, refinements, and user story discussions
Contribute to code reviews with a coaching and constructive mindset
Collaborate closely with engineers, stakeholders, and other chapters to deliver valuable solutions

Fulltime

Senior Python Backend Engineer

We are looking for a highly skilled Senior Python Backend Engineer with 6–10 yea...

Location

India , Mumbai

Salary:

Not provided

Bombay Softwares

Expiration Date

Until further notice

Requirements

6–10 years of Python backend experience with strong Django/Flask/FastAPI expertise
Strong system design and architectural decision-making skills
Hands-on experience with distributed systems, messaging queues (Celery, RabbitMQ), and async programming
Experience building robust and secure RESTful APIs
Experience with Redis, caching strategies, and performance optimization
Experience with AWS/Azure/GCP, cloud services, and production deployments
Expertise with testing frameworks (pytest) and enforcing code quality
Familiar with observability tools (Prometheus, Grafana, ELK, CloudWatch) and incident management

Job Responsibility

Architect and maintain RESTful APIs with strong emphasis on performance, security, versioning, and reliability
Design, optimize, and scale database schemas, queries, and data flows
Oversee deployments, CI/CD pipelines, observability (logging, metrics, tracing), and production readiness
Ensure secure coding practices following OWASP and cloud security standards
Collaborate with product, QA, DevOps, and cross-functional teams to deliver high-quality solutions on time
Take end-to-end ownership of modules and influence engineering roadmap decisions

Software Engineer - Backend (Python)

We’re seeking a Software Engineer II with deep experience building event-driven,...

Location

United States; Canada; Mexico , San Francisco; Atlanta; Austin; Boston; Chicago; Dallas; Denver; Houston; Jacksonville; Los Angeles; Miami; New York City; Phoenix; Portland; Sacramento; Salt Lake City; San Diego; Seattle; Washington, D.C.; Ottawa; Toronto; Vancouver; Mexico City

Salary:

103500.00 - 196000.00 USD / Year

Scribd

Expiration Date

Until further notice

Requirements

5+ years of professional software engineering experience on Python or distributed systems development
Strong proficiency in Python (3+ years)
Proven experience designing and building event-driven, distributed, and scalable systems
Hands-on experience with AWS services (ECS, Lambda, SQS, SNS, CloudWatch, etc.)
Experience with infrastructure-as-code tools like Terraform
Solid understanding of system performance, profiling, and optimization
Bachelor’s degree in Computer Science or equivalent professional experience

Job Responsibility

Design and implement event-driven, distributed systems to extract, enrich, and process metadata from large-scale document and media datasets
Build and maintain scalable APIs and backend services for high-throughput content processing
Leverage AWS services (ECS, Lambda, SQS, ElastiCache, CloudWatch) to design and deploy resilient, high-performance systems
Collaborate with cross-functional teams to deliver backend solutions that power ML-driven features
Optimize and refactor existing backend systems for scalability, reliability, and performance
Ensure system health and data integrity through monitoring, observability, and automated testing

What we offer

Healthcare Insurance Coverage (Medical/Dental/Vision): 100% paid for employees
12 weeks paid parental leave
Short-term/long-term disability plans
401k/RSP matching
Onboarding stipend for home office peripherals + accessories
Learning & Development allowance
Learning & Development programs
Quarterly stipend for Wellness, WiFi, etc.
Mental Health support & resources
Free subscription to the Scribd Inc. suite of products

Fulltime

Senior Backend Engineer - Python

Octopus Energy started with a bold idea: to build Britain's first truly digital ...

Location

Japan , Tokyo

Salary:

Not provided

Octopus Energy

Expiration Date

Until further notice

Requirements

5+ years of professional experience in backend web application development
Hands-on experience with Python/Django or equivalent web frameworks
Architectural understanding, best practices, system decomposition, and mentoring others
Experience designing and operating RDBMS (e.g., PostgreSQL, MySQL)
Experience in team development using Git
Experience with secure, reliable, large-scale/ high-transaction systems
Experience developing and operating systems in cloud environments (AWS, GCP, or Azure)
Experience with microservice architecture
Ability to communicate in English (participating in meetings and discussions, reading and writing)
Interest in environmental issues and the energy industry

Job Responsibility

Build and operate Octopus Energy products for the Japanese market (with many on the horizon). Including driving architectural decisions, improving reliability and performance, and aligning global tech strategy with local requirements
Design and develop APIs to integrate with other systems and services. For example, lead API design standards, review complex integrations, and ensure consistency across services
Collaborate with international teams (UK, EU, APAC and USA) in global development projects
Develop and operate Octopus Energy’s core global backend system

Fulltime

Lead Backend Engineer – Python (Team Lead)

Lead Backend Engineer – Python (Team Lead) role at Xelix, working with world’s l...

Location

United Kingdom , London

Salary:

Not provided

Xelix

Expiration Date

Until further notice

Requirements

5+ years of professional development experience
Minimum of 2 years experience leading a development team of at least 3 people
Computer Science or similar technical degree
Strong understanding of the Python / Web development ecosystem
Familiarity with building RESTful APIs with Django Rest Framework (Flask experience acceptable)
Experience developing robust and scalable solutions in Python
Experience with relational databases (PostgreSQL on AWS)
Experience implementing performance improvement strategies
Strong Computer Science fundamentals

Job Responsibility

Support developers when they are stuck on a problem
Facilitate architectural decision making
Share knowledge to maintain DRY principles and ensure codebase consistency
Keep up to date with industry developments and bring new technology to the team
Mentoring, training and career planning for team members
Conducting monthly 1-1 sessions
Collaborating with the Product Team to prioritise and allocate tasks
Recruitment
Promote managerial best practice with team lead peers

What we offer

27 days of annual leave (including 3 days Christmas closing) with increases based on tenure
Option to roll over, buy or sell up to 3 days leave
Hybrid working with one day a week from dog-friendly Hoxton office
On-site gym
Cycle to work scheme
Employee discount at over 100 retailers
Comprehensive private medical & dental cover with Vitality
Enhanced parental leave pay
Learning & development culture – £1,000 personal annual budget
Carbon-neutral company working towards carbon reduction goals

Fulltime

SDET QA Automation Engineer - Backend Python BDD CI-CD

Lead technical and business testing team members in preparation for and executio...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8-12 years Quality Assurance (QA) experience in the Financial Service industry
Experience in Agile, BDD and Dev Ops testing methodologies
Strong experience in API testing using various tools
Proficiency in SQL
Working experience of Mongo DB, API testing
Strong UNIX, Shell, Perl, Python scripting experience
Detailed-oriented, high level of intellectual curiosity and strong sense of ownership
Demonstrated ability to multi-task effectively and work against tight deadlines
Good business acumen and the ability to connect analytics with business decisions
Strong analytical skills with hands on experience driving testing strategy

Job Responsibility

Lead technical and business testing team members in preparation for and execution of test initiatives
Participate in requirements, design reviews with Product, Business Analysts and Development teams
Perform requirements reviews and traceability analyses to assess test coverage
Oversee test execution initiatives, adhering to test schedule and key milestones
Perform test execution and provide clear and concise test progress reporting
Monitor QA activities, test results, defects, root cause analysis and identify areas needing improvement
Recommend and lead continuous improvement initiatives

Fulltime

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Backend Engineer (Python)

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