Python Developer

About the Job

Mid-Level Backend Developer

Experience: 3–5 Years

Salary: Competitive

Preferred Notice Period: Immediate to 30 Days

Opportunity Type: Remote (Global)

Placement Type: Freelance/Contract

(Note: This is a requirement for one of TalentLo’s Clients)

Role Overview Description

We’re seeking experienced backend developers with 3–5 years of professional experience to contribute to backend architecture, API development, and system optimization. This is a freelance/contract opportunity where you’ll work remotely with global clients on impactful projects.

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Responsibilities

• Design, develop, and maintain backend systems ensuring scalability and performance
• Build, document, and maintain RESTful APIs and integrations with third-party services
• Optimize database queries, schemas, and indexing for efficiency
• Implement and enforce security best practices across backend systems
• Troubleshoot, debug, and resolve technical issues in backend pipelines
• Support deployment processes and contribute to CI/CD and DevOps workflows
• Collaborate with front-end developers, product teams, and other stakeholders to deliver features effectively

Requirements:

• 3-5 years developing backend systems
• Proficiency in one or more languages (Node.js, Python, Java, C#, PHP)
• Strong database design and optimization skills
• API development and documentation experience
• Understanding of security best practices
• Experience with deployment and basic DevOps

How to Apply

1. Create your profile on TalentLo’s platform (https://www.talentlo.com/signup)
2. Submit your resume, GitHub, or portfolio
3. Get shortlisted & connect with the client

About TalentLo

TalentLo is a revolutionary freelance platform connecting exceptional tech talent with high-quality clients worldwide. We’re building a select pool of talented freelancers to match with companies actively seeking specialized freelance expertise.

✨ If you’re ready to work on exciting backend projects, collaborate with global teams, and take your career to the next level — apply today!

Integration Developer

Job Description

Roles and Responsibilities

• Design, Code, test, debug, implement and document complex WSO2 sequences.
• Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.
• Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.
• Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.
• Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)
• Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.
• Work with functional and technical customers to determine solutions that drive additional business value.
• Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.
• Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.
• Monitoring the server (Monitoring logs and WSO2 metrics).
• Desired Candidate Profile

Desired Candidate Profile

• Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.
• Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)
• Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager
• Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.
• Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).
• Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.
• Experience in programming languages: Java, JavaScript, Python
• Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio

Qualifications

• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.
•        4 years of hands on experience in Integration

The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.

Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.

Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.

Actively participates with other consultants in problem-solving and approach development.

Responsibilities :

Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.

Perform data analysis to validate data models and to confirm the ability to meet business needs.

Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.

Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.

Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.

Coordinate with Data Architects, Program Managers and participate in recurring meetings.

Help and mentor team members to understand the data model and subject areas.

Ensure that the team adheres to best practices and guidelines.

Requirements :

- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.

- Experience with Spark optimization/tuning/resource allocations

- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.

- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).

- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.

- Have a deep understanding of the various stacks and components of the Big Data ecosystem.

- Hands-on experience with Python is a huge plus

• 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
• Have built applications capable of serving high volume with low latency in production
• Following practices of agile development with continuous integration/deployment
• Experience in deploying applications in AWS cloud
• Knowledge in building applications for Fintech/payments domain is a bonus
• Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
• Self-starter, hustler, and a desire to achieve greatness is a MUST
• Immediate joining preferred
• You will have the flexibility to design the application and systems from the ground up.
• Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.

Programming Languages: Perl, java. Perl programming with strong OOPs knowledge.

UI: HTML, JS
System: Linux must have – good knowledge and shell scripting experience.
Prior experience in infrastructure automation, monitoring will definitely help.


Description:

The person in this role:


- Will be involved in developing new monitoring scripts, enhancement & defect fixes on existing monitors

- Have to be on-call to support any incoming production/P1 internal issues which need urgent attention (team members are on call for a week and we have a weekly rotation policy within the team)
Preferred skills:

- Perl
- Shell scripting

- Unix

- Jenkins

Responsibilities

• Lead the development of the backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

Requirements

• 5+ years of software development experience
• Strong computer science fundamentals
• Deep and wide knowledge of Java ecosystem
• Can write code that is readable, maintainable, secure and performant
• Know the importance of tests and how to approach writing different types of tests
• Good intuition for REST API design
• Deep understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing highly concurrent systems
• Experienced in using profilers, tuning garbage collection, optimizing SQL queries

Desired Skills and Experience

• Golang , Java , Python , Ruby

• discussing clients’ requirements and proposed solutions with a senior developer (for developers at mid-skill level and below)
• writing and testing code
• collaborating with other developers
• using development tools (see below)

Development tools are used by software developers to write and test code, often as a team. Common development tools include:

• integrated development environments (eg Eclipse, IntelliJ): for writing and editing code
• source control management (eg Git, SVN, Mercurial): to enable teams to work together to manage changes to source code
• issue management systems (eg Jira): for managing a list of issues or improvements
• test driven development: for writing code to test your code