Senior Software Engineer, Zaidyn

Zs Associates; Chicago (IL); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Comprehensive total rewards package

Skills-building programs

Flexible working model

Job summary

ZS Associates is seeking a Senior Software Engineer to design and implement web services and APIs for their SaaS products. This role emphasizes full ownership of software modules, requiring 3–5 years of experience in software development, a strong skill set in OOP and full-stack technologies, and a collaborative spirit. ZS fosters a hybrid working environment, prioritizing both in-office and remote collaboration, and commitment to employee growth through comprehensive rewards and development programs.

Qualifications

• 3–5 years of software product development experience.
• Experience with production quality code.
• Client-first mentality with strong work ethic.

Responsibilities

• Design and implement web services and APIs for ZS SaaS products.
• Take ownership of software modules from development to maintenance.
• Mentor junior developers and provide technical expertise.

Skills

Software product development

Full-stack development

REST/OData based APIs

OOP in Java

Analytic and problem-solving skills

Fluency in English

Education

Bachelor’s or master’s in computer science, electrical engineering, mathematics

Tools

Postgres

AWS Lambda

Big Data tools (EMR, Spark, Scala)

Job description

ZS is a place where passion changes lives. As a management consulting and technology firm focused on improving life and how we live it, we transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Here you’ll work side‑by‑side with a powerful collective of thinkers and experts shaping life‑changing solutions for patients, caregivers and consumers worldwide. ZSers drive impact by bringing a client‑first mentality to each and every engagement. We partner collaboratively with our clients to develop custom solutions and technology products that create value and deliver company results across critical areas of their business. Bring your curiosity for learning, bold ideas, courage and passion to drive life‑changing impact to ZS.

What you'll do: Senior Software Engineer in the Platforms and Products will…

As a Software Engineer at ZS Associates, you will design and implement web services, APIs and full‑stack functional modules of our ZS SaaS products. Your primary focus will be designing and writing high quality maintainable object‑oriented code to implement all aspects of the software stack – from front‑end to middleware to back‑end. You will fully own the modules you develop – from architecting, designing, developing, deploying and maintaining your software solutions.

Responsibilities:

• Implement major full‑stack features with limited guidance from leads and managers.
• Demonstrate a passion for SaaS product development, and be extremely detail‑oriented.
• Show willingness to rapidly learn new languages and platforms.
• Be a technical expert, mentor junior developers, and share your expertise with the team.
• Provide accurate effort estimates on work.
• Take full ownership of the code you write – from designing to developing to maintaining your modules.

What you’ll bring:

• Bachelor’s or master’s degrees in computer science, electrical engineering, mathematics or a related discipline with a demonstrated record of academic success.
• Candidates should have 3–5 years of software product development experience.
• Experience developing high‑performing, secure, production quality code.
• Experience developing full‑stack SaaS software products.
• Expertise developing SOA web services and REST/OData based APIs.
• Expertise with IoC containers and DI frameworks (like Guice), SOLID and DRY principles, REST frameworks, ORMs (like Hibernate), CD/CI solutions using Maven, Jenkins, TeamCity etc.
• Deep expertise in OOPS (object‑oriented programming), preferably in Java and Java frameworks.
• Deep expertise in RDBMS like Postgres, or expertise in Data Warehouse systems.
• Nice to have: Experience with BI systems, semantic layers, Data Warehouses, OLAP cubes.
• Nice to have: Experience with AWS platform, specifically Lambda, API Gateway, IAM.
• Nice to have: Experience with Big Data, specifically EMR, Spark, and Scala.
• Fluency in English.
• Client‑first mentality.
• Intense work ethic.
• Collaborative spirit and problem‑solving approach.

Additionally, we seek individuals with the following skills:

• Strong analytic, problem‑solving, and programming ability.
• Strong understanding of algorithms and data structures.
• Initiative and willingness to work in fast‑paced, agile teams.
• Excellent organizational and task management skills.
• Strong communication skills.
• Ability to quickly learn new programming languages and platforms and frameworks.
• Ability to work in global cross‑office teams, including travelling to remote offices as required.

How you’ll grow:

• Cross‑functional skills development & custom learning pathways.
• Milestone training programs aligned to career progression opportunities.
• Internal mobility paths that empower growth via s‑curves, individual contribution and role expansions.

Perks & Benefits:

At ZS, your growth matters. We offer a comprehensive total rewards package that supports your health and well‑being, financial future, time away, and professional development. With robust skills‑building programs, multiple career progression paths, internal mobility, and a deeply collaborative culture, you’ll have the opportunity to do meaningful work, expand your capabilities, and thrive as part of a global community.

Hybrid working model:

We are committed to giving our employees a flexible and connected way of working. A flexible and connected ZS allows us to combine work from home and on‑site presence at clients/ZS offices for the majority of our week. The magic of ZS culture and innovation thrives in both planned and spontaneous face‑to‑face connections.

Travel:

Travel is a requirement at ZS for client‑facing ZSers; business needs of your project and client are the priority. While some projects may be local, all client‑facing ZSers should be prepared to travel as needed. Travel provides opportunities to strengthen client relationships, gain diverse experiences, and enhance professional growth by working in different environments and cultures.

ZS is an equal opportunity employer and is committed to providing equal employment and advancement opportunities without regard to any class protected by applicable law.