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BigTree108

AWS development services

AWS development services for companies building on Amazon Web Services: containers on EKS and ECS, serverless applications, landing zones, migrations, databases and data platforms, generative AI with Amazon Bedrock, security and cost optimisation, all in infrastructure as code, with dedicated AWS engineers for your team or AWS projects delivered end to end.

What we build with AWS

  • Containers on ECS and EKS

    EKS clusters with Karpenter or EKS Auto Mode looking after the nodes, ECS on Fargate when you want containers without a cluster to look after, and images built, scanned and pushed to ECR by the pipeline.

  • Serverless applications

    Lambda functions behind API Gateway, with EventBridge, SQS and Step Functions carrying the work between them, and a dead-letter queue and a CloudWatch alarm on every one.

  • Landing zones and account structure

    AWS Control Tower and Organizations with an account per environment and workload, sign-in through IAM Identity Center, service control policies, and CloudTrail logs kept in an account the workloads cannot write to.

  • Databases on AWS

    RDS and Aurora for PostgreSQL and MySQL, DynamoDB where the access patterns are known up front, ElastiCache for Valkey and S3 for files, with Multi-AZ failover, AWS Backup and encryption under KMS keys you control.

  • Migrations to AWS

    Servers moved with AWS Application Migration Service, databases with AWS Database Migration Service, and applications replatformed onto containers or managed services one at a time, each step with a rollback plan.

  • Security on AWS

    GuardDuty, Security Hub, AWS Config and IAM Access Analyzer switched on across every account, AWS WAF in front of public endpoints, and every finding fixed in Terraform so it stays fixed.

  • AWS cost optimisation

    Spend broken down by account, service and tag from the Cost and Usage Report, then rightsizing, Savings Plans, Graviton instances, Spot capacity and S3 storage classes applied in order of what each one saves.

  • Data platforms on AWS

    Data lakes on S3 with Apache Iceberg tables, Glue and Athena for transformation and queries, Redshift for the warehouse, and Kinesis or Amazon MSK for event streams.

  • Generative AI on AWS

    Claude, Llama and Amazon Nova models on Amazon Bedrock called from your services, Bedrock Knowledge Bases for retrieval over your documents, agents on Bedrock AgentCore, and SageMaker AI where a model has to be trained or hosted on your own terms.

Hire AWS engineers

  • Dedicated AWS engineers

    AWS engineers who join your team full time, work in your repositories, tracker and meetings, and report to your lead. You interview them; we carry the Ukrainian contract, payroll, invoicing and leave.

  • AWS project delivery

    A team that takes the AWS project from scope to release: estimate, build, tests and deployment, with a technical lead on our side who owns the plan and the quality.

  • AWS support and take-overs

    An existing AWS system taken over from another team or kept running: a read-only review and a written list of risks first, then fixes and new features in order of impact.

The dedicated team page explains how specialists join your team, and the outsourcing page covers project delivery, take-overs and how we charge.

Who works on your AWS project

  • AWS engineers

    Architecture, landing zones, migrations and infrastructure as code

  • DevOps and site reliability engineers

    Pipelines, monitoring and on-call

  • Backend developers

    .NET, Java, Python, Node.js and Go services on AWS

  • Data and machine learning engineers

    Data lakes, Redshift and Bedrock features

  • Security engineers

    IAM, guardrails and reviews

How we work on AWS

Every resource in Terraform or the AWS CDK, reviewed as a plan before it is applied. Pipelines reach AWS through OpenID Connect roles rather than stored access keys, secrets live in Secrets Manager, IAM policies grant only what each service uses, and CloudTrail, AWS Config and GuardDuty are on in every account from the first day.

Designs are checked against the six pillars of the AWS Well-Architected Framework before they are built: workloads spread across Availability Zones, recovery targets that have been rehearsed rather than assumed, alarms on what users would notice, and a budget with alerts on every account.

Other cloud, DevOps and security services

Cloud, DevOps and security overview

Questions about AWS development

Which industries do your AWS engineers work in?

Mostly fintech and banking, where payment and lending platforms need audit trails, encryption and tested recovery; software and SaaS companies running multi-tenant products; e-commerce and retail, with stores and marketplaces that scale for sales peaks; healthcare, with patient data kept under HIPAA and GDPR controls; and AI and data products built on data lakes, GPU instances and Bedrock. The same work applies to hosting providers, security companies and industrial firms.

Terraform or the AWS CDK?

Terraform by default, because the same tool then covers DNS, monitoring and any other cloud you use. The CDK when your team prefers to define infrastructure in TypeScript or Python and the estate is AWS only. Existing CloudFormation stacks are kept or imported, not rebuilt for the sake of it.

Can you review our existing AWS set-up?

Yes. A review starts with read-only access through a role you create and can revoke, covers IAM, network exposure, logging, backups and cost, and ends with a written list of risks in order of impact, before anything is changed.

How quickly can AWS engineers start?

When the right AWS engineer is available, the start is gated only by your interview and the NDA and IP assignment. Otherwise we run a search, which typically produces candidate profiles within two to three weeks, and nobody starts until you have said yes.

How do we hire AWS engineers through BigTree108?

Tell us the work, the seniority and the hours you need. We propose one or two people with their profiles, you interview them the way you would interview your own hire, and you sign one agreement with BIG TREE 108 LLC and receive one invoice a month.

Who owns the work they produce?

You do. Every specialist has a signed contract with BigTree108 that assigns all work product to the company, and our agreement with you assigns it onward. Code, designs and documents are delivered into your own repositories and tools, not kept where only we can change them.

Building on AWS?

Tell us what runs on AWS today and what needs to change. You get an answer within one business day: a plan, candidate profiles, or a scope for a review of your accounts.