Senior Python Backend Engineer Job at Makersite GmbH (Berlin)

Senior Principal Backend Engineer

As an Observability Architect for the Platform Engineering team, you will collab...

Location

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Previous experience in building and managing large scale telemetry systems, OTEL, TSDB
Previous experience building large scale data ingestion pipelines
Software development in Java, Python
Serious analytical skills across different levels of the stack: Network, .Net/Java, Operating System

Job Responsibility

Regularly tackle the largest and most complex problems on the team, from technical design to Solution
Deliver solutions that are used by other teams and products
Determine plans-of-attack on large projects
Routinely tackle complex architecture challenges and apply architectural standards and start using them on new projects
Lead code reviews and documentation, as well as take on complex bug fixes, especially on high-risk problems
Set the standard for thorough, meaningful code reviews
Partner across Engineering teams to take on company-wide initiatives spanning multiple projects
Transfer your depth of knowledge from your current language to excel as a Software Engineer
Mentor more junior members of the team

What we offer

Health and wellbeing resources
Paid volunteer days

Senior Backend Engineer

BioCatch is the leader in Behavioral Biometrics, a technology that leverages mac...

Location

Israel , TLV

Salary:

Not provided

BioCatch

Expiration Date

Until further notice

Requirements

3–5 years of experience in backend development
Strong hands-on experience with Python
Experience building high-scale, low-latency, robust services deployed across multiple AKS namespaces/regions with different configurations
Experience with at least one major cloud platform (Azure preferred)

Job Responsibility

Design and implement infrastructure for high-volume data processing
Continuously improve performance, cost, and reliability at scale
Collaborate with frontend teams on customer-facing features and applications
Work with stakeholders across the company to ensure data processes meet their requirements
Maintain high engineering standards: testing, observability, clean code, and solid CI/CD practices

Fulltime

Senior Backend Engineer

As a Back End Engineer you are responsible for designing, developing, and mainta...

Location

France , Paris

Salary:

55000.00 - 70000.00 EUR / Year

Balzac Paris

Expiration Date

Until further notice

Requirements

7+ years of professional software development experience in back-end development
Strong expertise in back-end technologies and system architecture
Comfortable with server-side technologies (Elixir, Node.js, Ruby, Python, Java, or similar)
Comfortable with database systems (PostgreSQL, MySQL, MongoDB, Redis, etc.)
Comfortable with RESTful APIs and/or GraphQL
Comfortable with microservices architecture and distributed systems
Comfortable with message queues and event-driven architectures (RabbitMQ, Kafka, etc.)
Comfortable with version control systems (Git)
Comfortable with testing frameworks and methodologies (unit, integration, end-to-end)
Comfortable with CI/CD practices and deployment automation

Job Responsibility

Design, develop, and maintain scalable back-end services and APIs
Build and optimize database schemas and data models
Write clean, maintainable, and well-tested code following team standards and best practices
Participate in code reviews and provide constructive feedback to team members
Debug production issues and implement robust solutions
Contribute to technical documentation and architecture decisions
Design and implement RESTful APIs and GraphQL endpoints
Optimize application performance, database queries, and system scalability
Implement caching strategies and asynchronous processing systems
Participate in agile ceremonies and technical planning sessions

What we offer

Semaine de 4 jours
Plan de développement professionnel
Congés pour enfant malade
Solution de prévention santé mentale
Employee Resource Groups (ERG)

Fulltime

Senior Backend Engineer

As a Back End Engineer you are responsible for designing, developing, and mainta...

Location

France , Paris

Salary:

55000.00 - 70000.00 EUR / Year

Assessfirst

Expiration Date

Until further notice

Requirements

7+ years of professional software development experience in back-end development
Strong expertise in back-end technologies and system architecture
Comfortable with server-side technologies (Elixir, Node.js, Ruby, Python, Java, or similar)
Comfortable with database systems (PostgreSQL, MySQL, MongoDB, Redis, etc.)
Comfortable with RESTful APIs and/or GraphQL
Comfortable with microservices architecture and distributed systems
Comfortable with message queues and event-driven architectures (RabbitMQ, Kafka, etc.)
Comfortable with version control systems (Git)
Comfortable with testing frameworks and methodologies (unit, integration, end-to-end)
Comfortable with CI/CD practices and deployment automation

Job Responsibility

Design, develop, and maintain scalable back-end services and APIs
Build and optimize database schemas and data models
Write clean, maintainable, and well-tested code following team standards and best practices
Participate in code reviews and provide constructive feedback to team members
Debug production issues and implement robust solutions
Contribute to technical documentation and architecture decisions
Design and implement RESTful APIs and GraphQL endpoints
Optimize application performance, database queries, and system scalability
Implement caching strategies and asynchronous processing systems
Participate in agile ceremonies and technical planning sessions

What we offer

Four-day week
Professional development plan
Sick child leave
Mental health benefits
Employee Resource Groups (ERG)

Fulltime

Senior Software Engineer I, Backend

As a Senior Software Engineer I at Aledade, we maintain, improve, and expand our...

Location

United States

Salary:

Not provided

Aledade, Inc.

Expiration Date

Until further notice

Requirements

BS/BTech (or higher) in Computer Science, Engineering or a related field
4+ years experience as an engineer building full-stack web applications as part of a cross-functional team
3+ years of experience working with SQL or other database querying language on large multi-table data sets
2+ years of experience acting as a trusted technical decision-maker in a team setting, solving for short-term and long-term business value
2+ years of experience coaching other engineers

Job Responsibility

Develop and implement scalable and performant solutions
Partner, as a peer, with Engineering Managers, Product Managers, and stakeholders throughout Aledade to develop and execute technical roadmaps using Agile processes
Mentor and coach more junior engineers including thorough pull request reviews for other developers and be receptive to critical feedback on your own work

Fulltime

Senior Backend Engineer

We’re looking for a Senior Backend Engineer to help bring this vision to life. Y...

Location

Finland , Helsinki

Salary:

Not provided

Aiven Deutschland GmbH

Expiration Date

Until further notice

Requirements

Solid experience building backend services for managed services/SaaS
Hands-on coding experience with: Python for backend services, ingestion, and orchestration
REST APIs as a primary interface
JVM (Java / Kotlin) for fixes and improvements in the open-source projects
Knowledge of data storage and indexing systems: relational DBs (PostgreSQL/MySQL), search engines (OpenSearch/Elasticsearch), and event logs (Kafka)
Familiarity with Kubernetes, Terraform/IaC, and cloud networking basics
A security-conscious mindset: you think about threat modeling, access controls, and auditability
Pragmatic problem-solving: you enjoy building clean systems that are easy to operate and evolve

Job Responsibility

Design and implement managed open source services that power the metadata discovery and governance system
Build and extend the Metadata Orchestrator, listening to control-plane events and orchestrating ingestion jobs without messy cron scheduling
Develop ingestion connectors & pipeline and backend logic for indexing and serving metadata
Shape APIs (REST/HTTP) that connect the backend with UI and integrations
Work with identity & policy mapping so Aiven Teams, Projects, and SSO map cleanly into managed service access controls (RBAC/ABAC)
Focus on operability: deployment patterns, monitoring, observability (metrics/logs/traces), and incident response
Collaborate closely with engineers, designers, product, and platform/security teams to deliver end-to-end functionality

What we offer

Participate in Aiven’s equity plan
With Aiven locations spanning the globe, we want all of our crabs to find the right balance with our hybrid work policy
Get the equipment you need to set yourself up for success
Step up your career game with real employer support (use one of our learning platforms, annual learning budget, and more)
Get holistic wellbeing support through our global Employee Assistance Program
Your wellbeing matters: we provide extensive Occupational Health Care, Dental Care, as well as sports, culture, massage and lunch benefits
Love breakfast? So do we! Join us at our regular office breakfast
We also have you covered by statutory accident insurance

Fulltime

Senior Software Engineer, Backend

Affirm is reinventing credit to make it more honest and friendly, giving consume...

Location

Canada

Salary:

150000.00 - 200000.00 CAD / Year

Affirm

Expiration Date

Until further notice

Requirements

4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes
familiar with processing data offline using frameworks like Spark or Ray
knowledge of stream processing architectures and ability to bridge the gap between online and offline systems with hybrid designs
experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design
write high quality code that is easily understood and used by others
proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely
experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
strong verbal and written communication skills that support effective collaboration with our global engineering team

Job Responsibility

own and deliver quarterly goals for your team, lead engineers on your team through ambiguity to solve open-ended problems, and ensure that everyone is supported throughout delivery
support peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs
proactively identify project, process, technology or business issues, advocate for them, and lead in solving them
support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts
foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks
help develop talent on your team by providing feedback and guidance, and leading by example

What we offer

monthly stipends for health, wellness and tech spending
100% subsidized medical coverage, dental and vision for you and your dependents
equity rewards
flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
competitive vacation and holiday schedules
employee stock purchase plan enabling you to buy shares of Affirm at a discount

Fulltime

Senior Crypto Backend Engineer

Token Metrics is seeking a multi-talented Back End Engineer to facilitate the op...

Location

Salary:

Not provided

Token Metrics

Expiration Date

Until further notice

Requirements

Bachelor's degree in Data Engineering, Big Data Analytics, Computer Engineering, or related field
A Master's degree in a relevant field is an added advantage
3+ years of Python, Java or any programming language development experience
3+ years of SQL & No-SQL experience (Snowflake Cloud DW & MongoDB experience is a plus)
3+ years of experience with schema design and dimensional data modeling
Expert proficiency in SQL, NoSQL, Python, C++, Java, R
Expert with building Data Lake, Data Warehouse or suitable equivalent
Expert in AWS Cloud
Excellent analytical and problem-solving skills
A knack for independence and group work

Job Responsibility

Liaising with coworkers and clients to elucidate the requirements for each task
Conceptualizing and generating infrastructure that allows big data to be accessed and analyzed
Reformulating existing frameworks to optimize their functioning
Testing such structures to ensure that they are fit for use
Building a data pipeline from different data sources using different data types like API, CSV, JSON, etc
Preparing raw data for manipulation by Data Scientists
Implementing proper data validation and data reconciliation methodologies
Ensuring that your work remains backed up and readily accessible to relevant coworkers
Remaining up-to-date with industry standards and technological advancements that will improve the quality of your outputs

Fulltime

Senior Python Backend Engineer

Makersite GmbH

Location:
Germany , Berlin

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 11, 2026

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Senior Python Backend Engineer

Makersite GmbH

Location:Germany , Berlin

Category:IT - Software Development

Contract Type:Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:January 11, 2026

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Location:
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Job Posted:
January 11, 2026