Ian Njari

Software Engineer

Kyosk

Who’s Ian, you ask?

Hey, Ian here. Lover of hikes🏔️, natural trails, lemon lime ice cream🍦😁 and travel✈️ - in my bucket list are Namibia, Morocco, Norway, Germany and Lebanon.

I am a mid-level Software Engineer specializing in crafting high-performance REST, GraphQL, and gRPC APIs. My expertise spans across a tech stack that includes Java Spring Boot, Temporal, Apache Kafka, Codegen, Protobuf, PostgreSQL, MongoDB, and Python (Fast API).

I do share some Spring Boot Knowledge on my blog and some ML knowledge on section.io.

Currently mastering Java Spring Boot, learning Data Management and designing ETL pipelines and advancing my knowledge in System Design.

Interests

Data Engineering
AI in Consumer Technology
ML Ops

Education

BSc (Computer Science), 2022

Kenyatta University

Experience

Software Engineer (Backend)

Oct 2022 – Present Nairobi

Software Engineering Intern

Feb 2022 – Sep 2022 Nairobi

Engineering Education Technical Content Contributer

Nov 2021 – Mar 2022 Freelance

Contributing to Technology Education content with emphasis on Machine Learning.

Skills, Tools and Technologies

Java

Spring Boot

SQL

PostgreSQL, MySQL …

NoSQL

MongoDB

gRPC

GraphQL

GIT

Kafka

Temporal

Docker

Kubernetes

Python

Scripting & Data

Database Migration

Flyway, Liquibase

GitHub

Frappe Framework (ERPNext)

Recent Posts

Processing JSON data with JMESPath Part 2 - Filtering Projections

Part 1 of this JMESPath series deals with basic expressions and creating list and slice projections. In this part, we’ll look at filtering the results of a projection. As a guide, we will use example if else expressions/pseudocode to generate JMESPath expressions.

Ian Njari

Apr 23, 2022 5 min read

Processing JSON data with JMESPath Part 2 - Filtering Projections

Processing JSON data with JMESPath Part 1 - Basic Expressions and Projections

JMESPath has made the processing of complex JSON objects a tad bit easier. A JSON document is deconstructed using simple yet very powerful expressions. The witers of JMESPath claim it is an ABNF grammar with a complete specification.

Ian Njari

Apr 21, 2022 2 min read

Processing JSON data with JMESPath Part 1 - Basic Expressions and Projections

JMESPath Pipe Expressions

Ian Njari

Apr 17, 2022 0 min read

Dockerizing a Spring Boot Application

Containerizing applications is the to go method of shipping applications from their development environments to deployment ones such as cloud without worrying about dependencies breaking due to a change of environments.

Ian Njari

Apr 7, 2022 3 min read

Dockerizing a Spring Boot Application

Connecting Spring Boot App to Heroku Postgres Database

Heroku provides a fully managed Postgres Database service as a service. The database scales on demand and provides security in line with industry standards (Heroku Shield Service provides PCI and HIPPA compliance for data in regulated industries like healthcare).

Ian Njari

Mar 23, 2022 2 min read

Connecting Spring Boot App to Heroku Postgres Database

Contact

iannjari@gmail.com