Jack
This range is provided by Jack. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Jack is helping a rapidly scaling sports tech SaaS company hire a
Senior Backend Software Engineer
to shape the core infrastructure of its platform. This company is transforming how professional teams, leagues, and global brands manage sponsorships in a $100B+ industry. As an early engineering hire, you’ll work directly with the CTO to build scalable systems, define architectural direction, and own critical backend projects. This is a high-impact role ideal for someone who thrives in startup environments, wants deep ownership, and is excited to help build the technical foundation of a fast-growing product used by leading organizations in the sports world. Salary range: $100,000 – $120,000 Meaningful early-stage equity grant Hybrid work environment (New York City-based) High ownership and autonomy in decision-making Fast-track opportunity to grow into a technical leadership role Responsibilities Design, develop, and maintain scalable backend APIs Own key integrations with third-party systems such as Salesforce, Asana, Dynamics, and Google Calendar Build and optimize backend data pipelines and workflows to support analytics and reporting (e.g., ETL, BigQuery) Secure backend infrastructure and ensure API security, authentication, and compliance Collaborate directly with the CTO to set architectural direction and prioritize technical initiatives Contribute to future projects such as AI-driven services, SSO and identity management (Okta, OIDC, SAML), and performance optimizations Embrace a startup mentality—work across systems, ship fast, and iterate based on user feedback Requirements Strong experience with Python, particularly in building and maintaining RESTful APIs using FastAPI or Flask Familiarity with ORMs and relational database modeling Experience working with OAuth and third-party integrations Proficiency with Git, GitHub, and AI-assisted coding tools (e.g., Cursor) Ability to operate independently and thrive in ambiguity while scaling new infrastructure Experience with Google Cloud, especially Firebase and Firestore Knowledge of authentication systems such as Okta, SAML, or OIDC Understanding of email deliverability tools and domain authentication (SPF, DKIM), or marketing tech systems Familiarity with ETL pipelines and cloud data warehouses like BigQuery Some experience with React for occasional frontend collaboration Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Industries Technology, Information and Internet and Technology, Information and Media Referrals increase your chances of interviewing at Jack by 2x Sign in to set job alerts for “Software Engineer” roles.
New York, NY $141,000.00-$202,000.00 2 weeks ago New York, NY $70,000.00-$150,000.00 5 days ago New York, NY $99,500.00-$200,000.00 3 weeks ago New York, NY $130,000.00-$180,000.00 6 months ago Brooklyn, NY $150,000.00-$200,000.00 3 months ago New York, NY $163,200.00-$223,200.00 1 week ago New York, NY $220,000.00-$260,000.00 2 days ago Full Stack Software Engineer (All Levels)
New York, NY $120,000.00-$180,000.00 5 months ago New York, NY $140,000.00-$185,000.00 1 week ago New York, NY $120,000.00-$140,000.00 1 week ago New York, NY $110,000.00-$150,000.00 1 month ago Want to work with us, but don't see the right job listed?
New York, NY $90,000.00-$120,000.00 3 months ago Software Engineer (Fullstack) - Payments
New York, NY $163,200.00-$223,200.00 1 week ago New York, NY $99,500.00-$200,000.00 3 weeks ago Backend Software Engineer, CloudKitchens - New York City
New York, NY $140,000.00-$170,000.00 2 months ago New York, NY $70,000.00-$150,000.00 19 hours ago Backend Engineer, Real-time supply management
New York, NY $128,000.00-$160,000.00 1 week ago New York, NY $140,000.00-$140,000.00 1 month ago New York, NY $165,000.00-$165,000.00 1 year ago New York, NY $125,000.00-$175,000.00 4 weeks ago New York, NY $235,000.00-$255,000.00 1 week ago Software Engineer - Frontend / Fullstack
New York, NY $140,000.00-$200,000.00 1 month ago New York, NY $145,000.00-$260,000.00 8 months ago New York, NY $120,000.00-$220,000.00 1 month ago Software Engineer, Machine Learning (Multiple Levels) - Slack
New York, NY $167,300.00-$334,600.00 5 days ago Software Engineer II, Merchant APIs (UberEats)
New York, NY $167,000.00-$185,500.00 1 day ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr
Senior Backend Software Engineer
to shape the core infrastructure of its platform. This company is transforming how professional teams, leagues, and global brands manage sponsorships in a $100B+ industry. As an early engineering hire, you’ll work directly with the CTO to build scalable systems, define architectural direction, and own critical backend projects. This is a high-impact role ideal for someone who thrives in startup environments, wants deep ownership, and is excited to help build the technical foundation of a fast-growing product used by leading organizations in the sports world. Salary range: $100,000 – $120,000 Meaningful early-stage equity grant Hybrid work environment (New York City-based) High ownership and autonomy in decision-making Fast-track opportunity to grow into a technical leadership role Responsibilities Design, develop, and maintain scalable backend APIs Own key integrations with third-party systems such as Salesforce, Asana, Dynamics, and Google Calendar Build and optimize backend data pipelines and workflows to support analytics and reporting (e.g., ETL, BigQuery) Secure backend infrastructure and ensure API security, authentication, and compliance Collaborate directly with the CTO to set architectural direction and prioritize technical initiatives Contribute to future projects such as AI-driven services, SSO and identity management (Okta, OIDC, SAML), and performance optimizations Embrace a startup mentality—work across systems, ship fast, and iterate based on user feedback Requirements Strong experience with Python, particularly in building and maintaining RESTful APIs using FastAPI or Flask Familiarity with ORMs and relational database modeling Experience working with OAuth and third-party integrations Proficiency with Git, GitHub, and AI-assisted coding tools (e.g., Cursor) Ability to operate independently and thrive in ambiguity while scaling new infrastructure Experience with Google Cloud, especially Firebase and Firestore Knowledge of authentication systems such as Okta, SAML, or OIDC Understanding of email deliverability tools and domain authentication (SPF, DKIM), or marketing tech systems Familiarity with ETL pipelines and cloud data warehouses like BigQuery Some experience with React for occasional frontend collaboration Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Industries Technology, Information and Internet and Technology, Information and Media Referrals increase your chances of interviewing at Jack by 2x Sign in to set job alerts for “Software Engineer” roles.
New York, NY $141,000.00-$202,000.00 2 weeks ago New York, NY $70,000.00-$150,000.00 5 days ago New York, NY $99,500.00-$200,000.00 3 weeks ago New York, NY $130,000.00-$180,000.00 6 months ago Brooklyn, NY $150,000.00-$200,000.00 3 months ago New York, NY $163,200.00-$223,200.00 1 week ago New York, NY $220,000.00-$260,000.00 2 days ago Full Stack Software Engineer (All Levels)
New York, NY $120,000.00-$180,000.00 5 months ago New York, NY $140,000.00-$185,000.00 1 week ago New York, NY $120,000.00-$140,000.00 1 week ago New York, NY $110,000.00-$150,000.00 1 month ago Want to work with us, but don't see the right job listed?
New York, NY $90,000.00-$120,000.00 3 months ago Software Engineer (Fullstack) - Payments
New York, NY $163,200.00-$223,200.00 1 week ago New York, NY $99,500.00-$200,000.00 3 weeks ago Backend Software Engineer, CloudKitchens - New York City
New York, NY $140,000.00-$170,000.00 2 months ago New York, NY $70,000.00-$150,000.00 19 hours ago Backend Engineer, Real-time supply management
New York, NY $128,000.00-$160,000.00 1 week ago New York, NY $140,000.00-$140,000.00 1 month ago New York, NY $165,000.00-$165,000.00 1 year ago New York, NY $125,000.00-$175,000.00 4 weeks ago New York, NY $235,000.00-$255,000.00 1 week ago Software Engineer - Frontend / Fullstack
New York, NY $140,000.00-$200,000.00 1 month ago New York, NY $145,000.00-$260,000.00 8 months ago New York, NY $120,000.00-$220,000.00 1 month ago Software Engineer, Machine Learning (Multiple Levels) - Slack
New York, NY $167,300.00-$334,600.00 5 days ago Software Engineer II, Merchant APIs (UberEats)
New York, NY $167,000.00-$185,500.00 1 day ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr