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ektello

Sr Software Dev Engineer

Remote

New york, United states

$ 80 /hour

Mid level

Freelance

24-11-2025

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Skills

Communication Leadership Java Kotlin GraphQL CI/CD Docker Kubernetes Test Problem-solving Attention to detail Linux Programming Oral and Written Communication AWS CI/CD Pipelines

Job Specifications

Sr Software Dev Engineer ( Must be able to work on W2, No sponsorship, or C2C )

Duration: 6 months

Location: Remote (US)

Coding Test: Required

Pay: $75-$80 hr

Job Description

Overview of the team: Yahoo Sports App Backend team

Yahoo! Sports is looking for seasoned back-end developers who are passionate about technology and excited about the potential of AI-driven innovations in sports experiences. Join our growing team to help define and build our top-rated sport app.

Key Team Goals

As a back-end developer, you’ll work with a team of talented engineers to design and build scalable, efficient systems that deliver real-time sports data, personalized experiences, and engaging fan interactions used by millions worldwide.

Key Projects Or Initiatives For The Role

Sierra to Graphite migration: We serve our APIs to the mobile sports apps, some of our APIs use older versions of Data API that are being EOL.
The data team has new APIs that we need to migrate to, they are not 100% compatible with the old one, so we need to work with them if some data is missing.
Mobile clients shouldn’t be aware of this change.

Success Metrics Or KPIs For This Role

We should be able to migrate the APIs, depend on complexity, we hope to migrate 1-2 components / APIs per week

Must-have Skills/qualifications (technical, Soft Skills, Certifications, Tools)

5+ years of Java or Kotlin development experience, including building and supporting user-facing web products
5+ years of experience with server-side API programming on Linux, focusing on scalable, high-performance web services
Strong fundamentals in object-oriented design, design patterns, data structures, algorithm design, and problem-solving
Experience with CI/CD pipelines, containerization (Docker, Kubernetes), and cloud infrastructure
Commitment to well-designed, well-documented code

Ideal Experience Level (years, Leadership, Industries)

8+years of experience
Exceptional analytical aptitude and attention to detail
Strong organizational and problem-solving skills
Self-motivated, well-organized team player
Excellent oral and written communication skills

Desired Personality Or Work Style

work independent, collaboration, communication skill, problem solver, fast paced environment, quick learner, accountable.
A passion for sports and fantasy sports
Experience developing GraphQL servers
Expertise in highly available distributed data services
Experience with AWS services like S3, DynamoDB, SQS, API Gateway
Experience in using AI to develop code and solve problem

Key Attributes Or Values Sought In The Candidate

work as a team. Build solutions that are maintainable. Quality driven. Flexible and adaptable.

Primary Responsibilities (daily/weekly)

Write code with tests for migrating APIs implementation.
Follow up end to end with migration:
Decide which API should be the best to migrate first Work with Data team on missing parts
Create PR with the change (include testing and feature flag)
Verify the change on stage environment
Applying the change in prod and monitor for crashes / missing data

Hiring timeline and deadlines: 4 to 6 weeks.

Interview process (who, how many rounds): 1-2 rounds

About the Company

ektello is a national staffing firm that places Creative, Marketing, Digital & Information Technology talent. At ektello it's all about delivering the best experience for both our talent and clients. Our goal is to create the most seamless career search and hiring process for our talent while responding quickly and efficiently to our client's needs. Search Current Career Opportunities: http://www.ektello.com/search-jobs Services include Contractor, Contract to Hire, Direct Hire and Statement-of-Work in the following j... Know more